<?xml version="1.0" encoding="US-ASCII"?>
<!-- RR Donnelley Xcelerate Taxonomy Presentation Linkbase, based on XBRL 2.1  http://www.rrdonnelley.com/ -->
<!-- Version: 6.20.1 -->
<!-- Round: 5 -->
<!-- Creation date: 2013-02-28T09:50:45Z -->
<!-- Copyright (c) 2005-2013 R.R. Donnelley & Sons Company All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DocumentDocumentandEntityInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DocumentDocumentandEntityInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_StatementOfFinancialPositionClassified" roleURI="http://www.lsb-okc.com/taxonomy/role/StatementOfFinancialPositionClassified"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_StatementOfFinancialPositionClassifiedParen" roleURI="http://www.lsb-okc.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_StatementOfIncome" roleURI="http://www.lsb-okc.com/taxonomy/role/StatementOfIncome"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_StatementOfShareholdersEquityAndOtherComprehensiveIncome" roleURI="http://www.lsb-okc.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_StatementOfShareholdersEquityAndOtherComprehensiveIncomeParen" roleURI="http://www.lsb-okc.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncomeParenthetical"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_StatementOfCashFlowsIndirect" roleURI="http://www.lsb-okc.com/taxonomy/role/StatementOfCashFlowsIndirect"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_StatementOfCashFlowsIndirectParen" roleURI="http://www.lsb-okc.com/taxonomy/role/StatementOfCashFlowsIndirectParenthetical"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesGoodwillRelatesToBusinessAcquisitions" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesGoodwillRelatesToBusinessAcquisitions"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesShippingAndHandlingCostsIncludedInNetSalesAndSellingGeneralAndAdministrativeExpense" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesShippingAndHandlingCostsIncludedInNetSalesAndSellingGeneralAndAdministrativeExpense"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesAdvertisingAndPromotionOfProducts" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdvertisingAndPromotionOfProducts"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtAcquisitionDate" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtAcquisitionDate"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesSummaryOfUnauditedProFormaInformationDuringPeriodOfAcquisition" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesSummaryOfUnauditedProFormaInformationDuringPeriodOfAcquisition"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureIncomePerCommonShareComputationOfBasicAndDilutedNetIncomePerShare" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomePerCommonShareComputationOfBasicAndDilutedNetIncomePerShare"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureIncomePerCommonShareAntidilutiveSecuritiesExcludedFromComputationOfEarningPerShare" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomePerCommonShareAntidilutiveSecuritiesExcludedFromComputationOfEarningPerShare"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAccountsReceivableNetNetAccountsReceivable" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAccountsReceivableNetNetAccountsReceivable"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAccountsReceivableNetAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAccountsReceivableNetAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureInventoriesScheduleOfInventories" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureInventoriesScheduleOfInventories"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureInventoriesAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureInventoriesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureInventoriesChangesInInventoryReserves" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureInventoriesChangesInInventoryReserves"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosurePropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipment" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipment"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosurePropertyPlantAndEquipmentAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureCurrentAndNoncurrentAccruedAndOtherLiabilitiesSummaryOfCurrentAndNoncurrentAccruedAndOtherLiabilities" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureCurrentAndNoncurrentAccruedAndOtherLiabilitiesSummaryOfCurrentAndNoncurrentAccruedAndOtherLiabilities"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAccruedWarrantyCostsAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAccruedWarrantyCostsAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAccruedWarrantyCostsChangesInProductWarrantyObligation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAccruedWarrantyCostsChangesInProductWarrantyObligation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureAssetRetirementObligationsAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureAssetRetirementObligationsAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureLongTermDebtScheduleOfLongTermDebt" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtScheduleOfLongTermDebt"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureLongTermDebtScheduleOfLongTermDebtParenthetical" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtScheduleOfLongTermDebtParenthetical"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureLongTermDebtStatedInterestRateOnSecuredTermLoan" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtStatedInterestRateOnSecuredTermLoan"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureLongTermDebtMaturitiesOfLongTermDebt" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtMaturitiesOfLongTermDebt"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureLongTermDebtSummaryOfAcquisitionTransactions" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtSummaryOfAcquisitionTransactions"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureIncomeTaxesSummaryOfProvisionsForIncomeTaxes" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfProvisionsForIncomeTaxes"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureIncomeTaxesAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilities" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilities"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeProvisionForIncomeTaxes" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeProvisionForIncomeTaxes"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUncertainTaxPositions" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUncertainTaxPositions"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsOnLeases" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsOnLeases"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureCommitmentsAndContingenciesAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsReconciliationOfBeginningAndEndingBalancesForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsReconciliationOfBeginningAndEndingBalancesForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsRealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatement" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsRealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatement"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureStockholdersEquityAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureStockholdersEquityValuationAssumptionsOfGrantedStockOptions" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityValuationAssumptionsOfGrantedStockOptions"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureStockholdersEquityStockOptionActivitiesOfStockOptionPlans" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityStockOptionActivitiesOfStockOptionPlans"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureStockholdersEquityStockOptionsOutstandingAndExercisable" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityStockOptionsOutstandingAndExercisable"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureNonRedeemablePreferredStockAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureNonRedeemablePreferredStockAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitAgreements" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitAgreements"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitExpenses" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitExpenses"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePolicies" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePolicies"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePremiums" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePremiums"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesParenthetical" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesParenthetical"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosurePropertyAndBusinessInterruptionInsuranceClaimsAndRecoveryAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosurePropertyAndBusinessInterruptionInsuranceClaimsAndRecoveryAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetScheduleOfOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNet" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetScheduleOfOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNet"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSegmentInformationAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSegmentInformationSegmentFinancialInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationSegmentFinancialInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSegmentInformationGeneralCorporateExpensesAndOtherBusinessOperationsNet" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationGeneralCorporateExpensesAndOtherBusinessOperationsNet"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSegmentInformationPpeAndTotalAssetsByBusinessSegment" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationPpeAndTotalAssetsByBusinessSegment"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSegmentInformationNetSalesToForeignCustomers" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationNetSalesToForeignCustomers"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureRelatedPartyTransactionsAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureSubsequentEventsAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationParenthetical" roleURI="http://www.lsb-okc.com/taxonomy/role/DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationParenthetical"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedBalanceSheets" roleURI="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedBalanceSheets"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfIncome" roleURI="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfIncome"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfCashFlows" roleURI="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfCashFlows"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#ScheduleScheduleICondensedFinancialInformationOfRegistrantScheduleOfLongtermDebtOutstanding" roleURI="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantScheduleOfLongtermDebtOutstanding"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#ScheduleScheduleICondensedFinancialInformationOfRegistrantAdditionalInformation" roleURI="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#ScheduleScheduleICondensedFinancialInformationOfRegistrantSummaryOfTransactionsRelatedToDebentures" roleURI="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantSummaryOfTransactionsRelatedToDebentures"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#ScheduleScheduleIiValuationAndQualifyingAccounts" roleURI="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleIiValuationAndQualifyingAccounts"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlockPolicies" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlockPolicies"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsBusinessCombinationDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsBusinessCombinationDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsEarningsPerShareTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsEarningsPerShareTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsInventoryDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsInventoryDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsProductWarrantyDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsProductWarrantyDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsProductWarrantyDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsProductWarrantyDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsAssetRetirementObligationDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsAssetRetirementObligationDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsLongTermDebtTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLongTermDebtTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsLongTermDebtTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLongTermDebtTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsIncomeTaxDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsShareholdersEquityAndShareBasedPaymentsTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsShareholdersEquityAndShareBasedPaymentsTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsShareholdersEquityAndShareBasedPaymentsTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsShareholdersEquityAndShareBasedPaymentsTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsNonRedeemablePreferredStockTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsNonRedeemablePreferredStockTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsBusinessInterruptionAndPropertyInsuranceClaimsTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsBusinessInterruptionAndPropertyInsuranceClaimsTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsSegmentReportingDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsSubsequentEventsTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsQuarterlyFinancialInformationTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsQuarterlyFinancialInformationTextBlockTables" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsCondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsCondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="lxu-20121231.xsd#Role_NotesToFinancialStatementsScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" roleURI="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock"/>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DocumentDocumentandEntityInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DocumentDocumentAndEntityInformationAbstract" xlink:label="lxu_DocumentDocumentAndEntityInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityInformationLineItems" xlink:label="dei_EntityInformationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DocumentDocumentAndEntityInformationAbstract" xlink:to="dei_DocumentInformationTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationTable" xlink:to="dei_EntityInformationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_DocumentType" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_AmendmentFlag" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_DocumentFiscalYearFocus" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_DocumentFiscalPeriodFocus" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_TradingSymbol" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityRegistrantName" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_CurrentFiscalYearEndDate" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityWellKnownSeasonedIssuer" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityCurrentReportingStatus" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityVoluntaryFilers" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityFilerCategory" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityCommonStockSharesOutstanding" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityInformationLineItems" xlink:to="dei_EntityPublicFloat" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/StatementOfFinancialPositionClassified">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DerivativeFairValueOfDerivativeAndOther" xlink:label="lxu_DerivativeFairValueOfDerivativeAndOther"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="us-gaap_EquityMethodInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LessTreasuryStockAtCostAbstract" xlink:label="lxu_LessTreasuryStockAtCostAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrentAbstract" xlink:label="us-gaap_OtherAssetsNoncurrentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherPrepaidExpenseCurrent" xlink:label="us-gaap_OtherPrepaidExpenseCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherShortTermInvestments" xlink:label="us-gaap_OtherShortTermInvestments"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreciousMetals" xlink:label="lxu_PreciousMetals"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidInsurance" xlink:label="us-gaap_PrepaidInsurance"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="us-gaap_PrepaidTaxes"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="us-gaap_SeriesBPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="us-gaap_SeriesDPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="us-gaap_ShortTermBorrowings"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityBeforeTreasuryStock" xlink:label="us-gaap_StockholdersEquityBeforeTreasuryStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Supplies" xlink:label="us-gaap_Supplies"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SuppliesPrepaidItemsAndOther" xlink:label="lxu_SuppliesPrepaidItemsAndOther"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:label="lxu_SuppliesPrepaidItemsAndOtherAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsCurrentAbstract" order="1.3700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="lxu_SuppliesPrepaidItemsAndOtherAbstract" order="1.3800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_OtherAssetsNoncurrentAbstract" order="1.3900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_Assets" order="1.4000" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_OtherShortTermInvestments" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_InventoryNet" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesBPreferredStockMember" order="1.3500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesDPreferredStockMember" order="1.3600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_LessTreasuryStockAtCostAbstract" xlink:to="us-gaap_TreasuryStockValue" order="1.4600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_LessTreasuryStockAtCostAbstract" xlink:to="us-gaap_StockholdersEquity" order="1.4700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_LessTreasuryStockAtCostAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity" order="1.4800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_AccountsPayableCurrent" order="1.4100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_ShortTermBorrowings" order="1.4200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_OtherLiabilitiesCurrent" order="1.4300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" order="1.4400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrent" order="1.4500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherAssetsNoncurrentAbstract" xlink:to="us-gaap_EquityMethodInvestments" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherAssetsNoncurrentAbstract" xlink:to="us-gaap_Goodwill" order="1.3200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherAssetsNoncurrentAbstract" xlink:to="us-gaap_OtherAssetsNoncurrent" order="1.3300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherAssetsNoncurrentAbstract" xlink:to="us-gaap_OtherAssets" order="1.3400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AssetsAbstract" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LiabilitiesCurrentAbstract" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligations" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherLiabilitiesNoncurrent" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DeferredTaxLiabilitiesNoncurrent" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommitmentsAndContingencies" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquityAbstract" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_LessTreasuryStockAtCostAbstract" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockValue" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockValue" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_AdditionalPaidInCapital" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityBeforeTreasuryStock" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="us-gaap_PrepaidInsurance" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="lxu_PreciousMetals" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="us-gaap_Supplies" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="lxu_DerivativeFairValueOfDerivativeAndOther" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="us-gaap_PrepaidTaxes" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="us-gaap_OtherPrepaidExpenseCurrent" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="lxu_SuppliesPrepaidItemsAndOther" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="us-gaap_DeferredTaxAssetsNetCurrent" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="us-gaap_AssetsCurrent" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SuppliesPrepaidItemsAndOtherAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreferredStockDividendsRatePercentage" xlink:label="lxu_PreferredStockDividendsRatePercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockNoParValue" xlink:label="us-gaap_PreferredStockNoParValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="us-gaap_SeriesBPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="us-gaap_SeriesDPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesBPreferredStockMember" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesDPreferredStockMember" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_PreferredStockDividendsRatePercentage" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockNoParValue" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesIssued" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesOutstanding" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesAuthorized" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesIssued" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TreasuryStockShares" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="2.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/StatementOfIncome">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="us-gaap_CostOfRevenue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStock" xlink:label="us-gaap_DividendsPreferredStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:label="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:label="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="us-gaap_OtherCostAndExpenseOperating"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherOperatingIncome" xlink:label="us-gaap_OtherOperatingIncome"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="us-gaap_SalesRevenueNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:to="us-gaap_EarningsPerShareBasic" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:to="us-gaap_EarningsPerShareDiluted" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SalesRevenueNet" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CostOfRevenue" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GrossProfit" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ProvisionForDoubtfulAccounts" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherCostAndExpenseOperating" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherOperatingIncome" order="1.1100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingIncomeLoss" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_InterestExpense" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt" order="1.1400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherNonoperatingIncomeExpense" order="1.1500" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments" order="1.1800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperations" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" order="1.2000" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DividendsPreferredStock" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareAbstract" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="us-gaap_DividendsPreferredStockCash"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonredeemablePreferredStockMember" xlink:label="us-gaap_NonredeemablePreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity_2"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockIssuedDuringPeriodSharesConversionOfConvertibleDebt" xlink:label="lxu_StockIssuedDuringPeriodSharesConversionOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockIssuedDuringPeriodValueConversionOfConvertibleDebt" xlink:label="lxu_StockIssuedDuringPeriodValueConversionOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_CommonStockMember" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_NonredeemablePreferredStockMember" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AdditionalPaidInCapitalMember" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_RetainedEarningsMember" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_TreasuryStockMember" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquity" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesIssued" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DividendsPreferredStockCash" order="1.0500" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_StockIssuedDuringPeriodValueConversionOfConvertibleDebt" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_StockIssuedDuringPeriodSharesConversionOfConvertibleDebt" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod" order="1.1200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockholdersEquity_2" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SharesIssued_2" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementEquityComponentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncomeParenthetical">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NumberOfRedeemablePreferredStockSharesConverted" xlink:label="lxu_NumberOfRedeemablePreferredStockSharesConverted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_NumberOfRedeemablePreferredStockSharesConverted" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/StatementOfCashFlowsIndirect">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedLiabilitiesAssociatedWithConvertibleDebentures" xlink:label="lxu_AccruedLiabilitiesAssociatedWithConvertibleDebentures"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AcquisitionOfWorkingInterestsInNaturalGasProperties" xlink:label="lxu_AcquisitionOfWorkingInterestsInNaturalGasProperties"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="us-gaap_AdjustmentForAmortization"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CashPaymentsForAbstract" xlink:label="lxu_CashPaymentsForAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtConversionOriginalDebtAmount1" xlink:label="us-gaap_DebtConversionOriginalDebtAmount1"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebtIssuanceCostsAssociatedWithConvertibleDebentures" xlink:label="lxu_DebtIssuanceCostsAssociatedWithConvertibleDebentures"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction" xlink:label="us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExpenseAssociatedWithModificationOfSecuredTermLoan" xlink:label="lxu_ExpenseAssociatedWithModificationOfSecuredTermLoan"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_GainOnPropertyInsuranceRecoveriesAssociatedWithPropertyPlantAndEquipment" xlink:label="lxu_GainOnPropertyInsuranceRecoveriesAssociatedWithPropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:label="us-gaap_IncreaseDecreaseInCustomerDeposits"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="us-gaap_IncreaseDecreaseInRestrictedCash"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InducedConversionOfConvertibleDebtExpense" xlink:label="us-gaap_InducedConversionOfConvertibleDebtExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaid" xlink:label="us-gaap_InterestPaid"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryWriteDown" xlink:label="us-gaap_InventoryWriteDown"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NetChangeInFairValueOfSettledCommodityContracts" xlink:label="lxu_NetChangeInFairValueOfSettledCommodityContracts"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NetGainLossOnCarbonCredits" xlink:label="lxu_NetGainLossOnCarbonCredits"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="us-gaap_OtherNoncashIncomeExpense"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PaymentsAssociatedWithInducedConversionOfConvertibleDebt" xlink:label="lxu_PaymentsAssociatedWithInducedConversionOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock" xlink:label="us-gaap_PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PaymentsOnContractualObligationsOfCarbonCredits" xlink:label="lxu_PaymentsOnContractualObligationsOfCarbonCredits"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="us-gaap_PaymentsToAcquireShortTermInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:label="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProceedsFromModificationOfSecuredTermLoan" xlink:label="lxu_ProceedsFromModificationOfSecuredTermLoan"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfSecuredDebt" xlink:label="us-gaap_ProceedsFromRepaymentsOfSecuredDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="us-gaap_ProceedsFromSaleOfShortTermInvestments"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProceedsFromSalesOfCarbonCredits" xlink:label="lxu_ProceedsFromSalesOfCarbonCredits"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromShortTermDebt" xlink:label="us-gaap_ProceedsFromShortTermDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProvisionForRealizationOfLossesOnFirmSalesCommitments" xlink:label="lxu_ProvisionForRealizationOfLossesOnFirmSalesCommitments"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ReceivableAssociatedWithPropertyInsuranceClaim" xlink:label="lxu_ReceivableAssociatedWithPropertyInsuranceClaim"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfConvertibleDebt" xlink:label="us-gaap_RepaymentsOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLinesOfCredit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfOtherLongTermDebt" xlink:label="us-gaap_RepaymentsOfOtherLongTermDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfSecuredDebt" xlink:label="us-gaap_RepaymentsOfSecuredDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfShortTermDebt" xlink:label="us-gaap_RepaymentsOfShortTermDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnCommodityContracts" xlink:label="us-gaap_UnrealizedGainLossOnCommodityContracts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" order="1.0200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt" order="1.0400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lxu_ExpenseAssociatedWithModificationOfSecuredTermLoan" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_InducedConversionOfConvertibleDebtExpense" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lxu_NetGainLossOnCarbonCredits" order="1.0700" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" order="1.0800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lxu_GainOnPropertyInsuranceRecoveriesAssociatedWithPropertyPlantAndEquipment" order="1.0900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_Depreciation" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentForAmortization" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ShareBasedCompensation" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ProvisionForDoubtfulAccounts" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_InventoryWriteDown" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lxu_ProvisionForRealizationOfLossesOnFirmSalesCommitments" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments" order="1.1600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_EquityMethodInvestmentDividendsOrDistributions" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_UnrealizedGainLossOnCommodityContracts" order="1.1800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_UnrealizedGainLossOnDerivatives" order="1.1900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_OtherNoncashIncomeExpense" order="1.2000" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lxu_ReceivableAssociatedWithPropertyInsuranceClaim" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CapitalExpendituresIncurredButNotYetPaid" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lxu_DebtIssuanceCostsAssociatedWithConvertibleDebentures" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lxu_AccruedLiabilitiesAssociatedWithConvertibleDebentures" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_DebtConversionOriginalDebtAmount1" order="1.3200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CashPaymentsForAbstract" xlink:to="us-gaap_InterestPaid" order="1.7800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CashPaymentsForAbstract" xlink:to="us-gaap_IncomeTaxesPaidNet" order="1.7900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable" order="1.5900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInInventories" order="1.6000" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" order="1.6100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingAssets" order="1.6200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayable" order="1.6300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lxu_NetChangeInFairValueOfSettledCommodityContracts" order="1.6400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInCustomerDeposits" order="1.6500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" order="1.6600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:to="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" order="1.5100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" order="1.5200" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="1.5300" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_2" order="1.5400" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromLinesOfCredit" order="1.3300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfLinesOfCredit" order="1.3400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromRepaymentsOfSecuredDebt" order="1.3500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="lxu_ProceedsFromModificationOfSecuredTermLoan" order="1.3600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" order="1.3700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="lxu_PaymentsAssociatedWithInducedConversionOfConvertibleDebt" order="1.3800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfConvertibleDebt" order="1.3900" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfOtherLongTermDebt" order="1.4000" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfSecuredDebt" order="1.4100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts" order="1.4200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromShortTermDebt" order="1.4300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfShortTermDebt" order="1.4400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromStockOptionsExercised" order="1.4500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock" order="1.4600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" order="1.4700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock" order="1.4800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" order="1.4900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" order="1.5000" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="1.6700" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="lxu_AcquisitionOfWorkingInterestsInNaturalGasProperties" order="1.6800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" order="1.6900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" order="1.7000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsToAcquireShortTermInvestments" order="1.7100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromSaleOfShortTermInvestments" order="1.7200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_IncreaseDecreaseInRestrictedCash" order="1.7300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="lxu_ProceedsFromSalesOfCarbonCredits" order="1.7400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="lxu_PaymentsOnContractualObligationsOfCarbonCredits" order="1.7500" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" order="1.7600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" order="1.7700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetIncomeLoss" order="1.5500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" order="1.5600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" order="1.5700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" order="1.5800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_CashPaymentsForAbstract" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/StatementOfCashFlowsIndirectParenthetical">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ConvertibleSeniorSubordinatedNotesDue2012Member" xlink:label="lxu_ConvertibleSeniorSubordinatedNotesDue2012Member"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="lxu_ConvertibleSeniorSubordinatedNotesDue2012Member" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_LongtermDebtTypeAxis" order="2.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldForSaleLongLived" xlink:label="us-gaap_AssetsHeldForSaleLongLived"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract" xlink:label="lxu_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="us-gaap_GoodwillImpairmentLoss"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InsuranceCoverageOfGeneralLiabilityAndAutoLiabilityRisks" xlink:label="lxu_InsuranceCoverageOfGeneralLiabilityAndAutoLiabilityRisks"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InsurancePolicyCoveringPollutionLiability" xlink:label="lxu_InsurancePolicyCoveringPollutionLiability"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaturityPeriodOfShortTermInvestments" xlink:label="lxu_MaturityPeriodOfShortTermInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SignificantAccountingPoliciesLineItems" xlink:label="lxu_SignificantAccountingPoliciesLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SignificantAccountingPoliciesTable" xlink:label="lxu_SignificantAccountingPoliciesTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TaxBenefitRecognized" xlink:label="lxu_TaxBenefitRecognized"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationAbstract" xlink:to="lxu_SignificantAccountingPoliciesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesLineItems" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesLineItems" xlink:to="lxu_MaturityPeriodOfShortTermInvestments" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesLineItems" xlink:to="us-gaap_AssetsHeldForSaleLongLived" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesLineItems" xlink:to="us-gaap_GoodwillImpairmentLoss" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesLineItems" xlink:to="lxu_InsuranceCoverageOfGeneralLiabilityAndAutoLiabilityRisks" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesLineItems" xlink:to="lxu_InsurancePolicyCoveringPollutionLiability" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesLineItems" xlink:to="lxu_TaxBenefitRecognized" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesTable" xlink:to="us-gaap_RangeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_SignificantAccountingPoliciesTable" xlink:to="lxu_SignificantAccountingPoliciesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesGoodwillRelatesToBusinessAcquisitions">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalMember" xlink:label="lxu_ChemicalMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ClimateControlMember" xlink:label="lxu_ClimateControlMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSummaryOfSignificantAccountingPoliciesGoodwillRelatesToBusinessAcquisitionsAbstract" xlink:label="lxu_DisclosureSummaryOfSignificantAccountingPoliciesGoodwillRelatesToBusinessAcquisitionsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="us-gaap_GoodwillLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="us-gaap_ScheduleOfGoodwillTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSummaryOfSignificantAccountingPoliciesGoodwillRelatesToBusinessAcquisitionsAbstract" xlink:to="us-gaap_ScheduleOfGoodwillTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_Goodwill" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="us-gaap_GoodwillLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ClimateControlMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesShippingAndHandlingCostsIncludedInNetSalesAndSellingGeneralAndAdministrativeExpense">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalMember" xlink:label="lxu_ChemicalMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ClimateControlMember" xlink:label="lxu_ClimateControlMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentOfOtherOperatingCostAndExpenseTable" xlink:label="us-gaap_ComponentOfOtherOperatingCostAndExpenseTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSummaryOfSignificantAccountingPoliciesShippingAndHandlingCostsIncludedInNetSalesAndSellingGeneralAndAdministrativeExpenseAbstract" xlink:label="lxu_DisclosureSummaryOfSignificantAccountingPoliciesShippingAndHandlingCostsIncludedInNetSalesAndSellingGeneralAndAdministrativeExpenseAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_HandlingCosts" xlink:label="lxu_HandlingCosts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShippingAndHandlingCostsLineItems" xlink:label="lxu_ShippingAndHandlingCostsLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShippingCosts" xlink:label="lxu_ShippingCosts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShippingHandlingAndTransportationCosts" xlink:label="us-gaap_ShippingHandlingAndTransportationCosts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentOfOtherOperatingCostAndExpenseTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentOfOtherOperatingCostAndExpenseTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentOfOtherOperatingCostAndExpenseTable" xlink:to="lxu_ShippingAndHandlingCostsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSummaryOfSignificantAccountingPoliciesShippingAndHandlingCostsIncludedInNetSalesAndSellingGeneralAndAdministrativeExpenseAbstract" xlink:to="us-gaap_ComponentOfOtherOperatingCostAndExpenseTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ClimateControlMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ShippingAndHandlingCostsLineItems" xlink:to="lxu_ShippingCosts" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ShippingAndHandlingCostsLineItems" xlink:to="lxu_HandlingCosts" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ShippingAndHandlingCostsLineItems" xlink:to="us-gaap_ShippingHandlingAndTransportationCosts" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdvertisingAndPromotionOfProducts">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="us-gaap_AdvertisingExpense"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSummaryOfSignificantAccountingPoliciesAdvertisingAndPromotionOfProductsAbstract" xlink:label="lxu_DisclosureSummaryOfSignificantAccountingPoliciesAdvertisingAndPromotionOfProductsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSummaryOfSignificantAccountingPoliciesAdvertisingAndPromotionOfProductsAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdvertisingExpense" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AcquiredAverageNetRevenueInterest" xlink:label="lxu_AcquiredAverageNetRevenueInterest"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AcquiredAverageWorkingInterest" xlink:label="lxu_AcquiredAverageWorkingInterest"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:label="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual" xlink:label="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual" xlink:label="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesAdditionalInformationAbstract" xlink:label="lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProvenNonProducingNaturalGasWells" xlink:label="lxu_ProvenNonProducingNaturalGasWells"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProvenProducingNaturalGasWells" xlink:label="lxu_ProvenProducingNaturalGasWells"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProvenUndevelopedNaturalGasSites" xlink:label="lxu_ProvenUndevelopedNaturalGasSites"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="lxu_AcquiredAverageWorkingInterest" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="lxu_AcquiredAverageNetRevenueInterest" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="lxu_ProvenProducingNaturalGasWells" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="lxu_ProvenNonProducingNaturalGasWells" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="lxu_ProvenUndevelopedNaturalGasSites" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" xlink:to="us-gaap_BusinessCombinationAcquisitionRelatedCosts" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="lxu_AcquisitionOfWorkingInterestInNaturalGasPropertiesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtAcquisitionDate">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:label="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquired" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquired"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtAcquisitionDateAbstract" xlink:label="lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtAcquisitionDateAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentAssetsReceivables" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquired" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayable" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationOtherNoncurrentLiabilities" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesScheduleOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtAcquisitionDateAbstract" xlink:to="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesSummaryOfUnauditedProFormaInformationDuringPeriodOfAcquisition">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:label="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" xlink:label="us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesSummaryOfUnauditedProFormaInformationDuringPeriodOfAcquisitionAbstract" xlink:label="lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesSummaryOfUnauditedProFormaInformationDuringPeriodOfAcquisitionAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="us-gaap_SalesRevenueNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_SalesRevenueNet" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionsProFormaRevenue" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperations" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_EarningsPerShareBasic" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_EarningsPerShareDiluted" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" xlink:to="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAcquisitionOfWorkingInterestsInNaturalGasPropertiesSummaryOfUnauditedProFormaInformationDuringPeriodOfAcquisitionAbstract" xlink:to="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="lxu_BusinessAcquisitionActualRevenueAndPreTaxIncomeLossLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomePerCommonShareComputationOfBasicAndDilutedNetIncomePerShare">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ConvertibleDebtInterestExpenseDilutiveNetIncomePerCommonShare" xlink:label="lxu_ConvertibleDebtInterestExpenseDilutiveNetIncomePerCommonShare"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureIncomePerCommonShareComputationOfBasicAndDilutedNetIncomePerShareAbstract" xlink:label="lxu_DisclosureIncomePerCommonShareComputationOfBasicAndDilutedNetIncomePerShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasicLineItems" xlink:label="us-gaap_EarningsPerShareBasicLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EarningsPerShareNumeratorAbstract" xlink:label="lxu_EarningsPerShareNumeratorAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:label="us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock" xlink:label="us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncumulativePreferredStockMember" xlink:label="us-gaap_NoncumulativePreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreferredStockDividendsDilutiveNetIncomePerCommonShare" xlink:label="lxu_PreferredStockDividendsDilutiveNetIncomePerCommonShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="us-gaap_SeriesBPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="us-gaap_SeriesDPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesBPreferredStockMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesDPreferredStockMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_NoncumulativePreferredStockMember" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureIncomePerCommonShareComputationOfBasicAndDilutedNetIncomePerShareAbstract" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicLineItems" xlink:to="lxu_EarningsPerShareNumeratorAbstract" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicLineItems" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicLineItems" xlink:to="us-gaap_EarningsPerShareBasic" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicLineItems" xlink:to="us-gaap_EarningsPerShareDiluted" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EarningsPerShareNumeratorAbstract" xlink:to="us-gaap_NetIncomeLoss" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EarningsPerShareNumeratorAbstract" xlink:to="us-gaap_PreferredStockDividendsAndOtherAdjustments" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EarningsPerShareNumeratorAbstract" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EarningsPerShareNumeratorAbstract" xlink:to="lxu_PreferredStockDividendsDilutiveNetIncomePerCommonShare" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EarningsPerShareNumeratorAbstract" xlink:to="lxu_ConvertibleDebtInterestExpenseDilutiveNetIncomePerCommonShare" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EarningsPerShareNumeratorAbstract" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicByCommonClassTable" xlink:to="us-gaap_EarningsPerShareBasicLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:to="us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:to="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:to="us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:to="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomePerCommonShareAntidilutiveSecuritiesExcludedFromComputationOfEarningPerShare">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureIncomePerCommonShareAntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareAbstract" xlink:label="lxu_DisclosureIncomePerCommonShareAntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="us-gaap_StockOptionsMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="us-gaap_AntidilutiveSecuritiesNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="us-gaap_StockOptionsMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureIncomePerCommonShareAntidilutiveSecuritiesExcludedFromComputationOfEarningPerShareAbstract" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAccountsReceivableNetNetAccountsReceivable">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccountsReceivableCurrent" xlink:label="lxu_AccountsReceivableCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="us-gaap_AccountsReceivableGrossCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAccountsReceivableNetNetAccountsReceivableAbstract" xlink:label="lxu_DisclosureAccountsReceivableNetNetAccountsReceivableAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InsuranceClaimsReceivable" xlink:label="lxu_InsuranceClaimsReceivable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherReceivablesCurrent" xlink:label="lxu_OtherReceivablesCurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ReceivablesAndRelatedAllowancesLineItems" xlink:label="lxu_ReceivablesAndRelatedAllowancesLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ReceivablesAndRelatedAllowancesTable" xlink:label="lxu_ReceivablesAndRelatedAllowancesTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAccountsReceivableNetNetAccountsReceivableAbstract" xlink:to="lxu_ReceivablesAndRelatedAllowancesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesLineItems" xlink:to="us-gaap_AccountsReceivableGrossCurrent" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesLineItems" xlink:to="lxu_InsuranceClaimsReceivable" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesLineItems" xlink:to="lxu_OtherReceivablesCurrent" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesLineItems" xlink:to="lxu_AccountsReceivableCurrent" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesLineItems" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" order="1.0600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesLineItems" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ReceivablesAndRelatedAllowancesTable" xlink:to="lxu_ReceivablesAndRelatedAllowancesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAccountsReceivableNetAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccountsReceivableNetLineItems" xlink:label="lxu_AccountsReceivableNetLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccountsReceivablePaymentTerms" xlink:label="lxu_AccountsReceivablePaymentTerms"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ContractsPeriod" xlink:label="lxu_ContractsPeriod"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ContractTerms" xlink:label="lxu_ContractTerms"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAccountsReceivableNetAdditionalInformationAbstract" xlink:label="lxu_DisclosureAccountsReceivableNetAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NewContractAxis" xlink:label="us-gaap_NewContractAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NewContractDomain" xlink:label="us-gaap_NewContractDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NumberOfCustomersAccountedAsPercentageOfAccountsReceivable" xlink:label="lxu_NumberOfCustomersAccountedAsPercentageOfAccountsReceivable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PercentageOfNetReceivables" xlink:label="lxu_PercentageOfNetReceivables"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ReceivableSalesAgreementMember" xlink:label="lxu_ReceivableSalesAgreementMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:label="us-gaap_ScheduleOfImpairedFinancingReceivableTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccountsReceivableNetLineItems" xlink:to="lxu_AccountsReceivablePaymentTerms" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccountsReceivableNetLineItems" xlink:to="lxu_NumberOfCustomersAccountedAsPercentageOfAccountsReceivable" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccountsReceivableNetLineItems" xlink:to="lxu_PercentageOfNetReceivables" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccountsReceivableNetLineItems" xlink:to="lxu_ContractsPeriod" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccountsReceivableNetLineItems" xlink:to="lxu_ContractTerms" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAccountsReceivableNetAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfImpairedFinancingReceivableTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NewContractAxis" xlink:to="us-gaap_NewContractDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NewContractDomain" xlink:to="lxu_ReceivableSalesAgreementMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:to="us-gaap_NewContractAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfImpairedFinancingReceivableTable" xlink:to="lxu_AccountsReceivableNetLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureInventoriesScheduleOfInventories">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalProductsMember" xlink:label="lxu_ChemicalProductsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ClimateControlProductsMember" xlink:label="lxu_ClimateControlProductsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureInventoriesScheduleOfInventoriesAbstract" xlink:label="lxu_DisclosureInventoriesScheduleOfInventoriesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IndustrialMachineryAndComponentsMember" xlink:label="lxu_IndustrialMachineryAndComponentsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves" xlink:label="us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TypeOfInventoryLineItems" xlink:label="lxu_TypeOfInventoryLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TypeOfInventoryTable" xlink:label="lxu_TypeOfInventoryTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureInventoriesScheduleOfInventoriesAbstract" xlink:to="lxu_TypeOfInventoryTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalProductsMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ClimateControlProductsMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_IndustrialMachineryAndComponentsMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryLineItems" xlink:to="us-gaap_InventoryFinishedGoodsNetOfReserves" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryLineItems" xlink:to="us-gaap_InventoryWorkInProcessNetOfReserves" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryLineItems" xlink:to="us-gaap_InventoryRawMaterialsAndPurchasedPartsNetOfReserves" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryLineItems" xlink:to="us-gaap_InventoryNet" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryTable" xlink:to="lxu_TypeOfInventoryLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureInventoriesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalProductsMember" xlink:label="lxu_ChemicalProductsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ClimateControlProductsMember" xlink:label="lxu_ClimateControlProductsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureInventoriesAdditionalInformationAbstract" xlink:label="lxu_DisclosureInventoriesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="us-gaap_InventoryValuationReserves"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TypeOfInventoryLineItems" xlink:label="lxu_TypeOfInventoryLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TypeOfInventoryTable" xlink:label="lxu_TypeOfInventoryTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureInventoriesAdditionalInformationAbstract" xlink:to="lxu_TypeOfInventoryTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ClimateControlProductsMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalProductsMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryLineItems" xlink:to="us-gaap_InventoryValuationReserves" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_TypeOfInventoryTable" xlink:to="lxu_TypeOfInventoryLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureInventoriesChangesInInventoryReserves">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureInventoriesChangesInInventoryReservesAbstract" xlink:label="lxu_DisclosureInventoriesChangesInInventoryReservesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InventoryDisclosureLineItems" xlink:label="lxu_InventoryDisclosureLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InventoryDisclosureTable" xlink:label="lxu_InventoryDisclosureTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="us-gaap_InventoryValuationReserves"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="us-gaap_InventoryValuationReserves_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProvisionsForRealizationOfLosses" xlink:label="lxu_ProvisionsForRealizationOfLosses"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_WriteOffsAndDisposals" xlink:label="lxu_WriteOffsAndDisposals"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureInventoriesChangesInInventoryReservesAbstract" xlink:to="lxu_InventoryDisclosureTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InventoryDisclosureLineItems" xlink:to="us-gaap_InventoryValuationReserves" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InventoryDisclosureLineItems" xlink:to="lxu_ProvisionsForRealizationOfLosses" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InventoryDisclosureLineItems" xlink:to="lxu_WriteOffsAndDisposals" order="1.0300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InventoryDisclosureLineItems" xlink:to="us-gaap_InventoryValuationReserves_2" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InventoryDisclosureTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InventoryDisclosureTable" xlink:to="lxu_InventoryDisclosureLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipment">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="us-gaap_ConstructionInProgressMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosurePropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentAbstract" xlink:label="lxu_DisclosurePropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FurnitureFixturesAndStoreEquipmentMember" xlink:label="lxu_FurnitureFixturesAndStoreEquipmentMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LandImprovementsMember" xlink:label="us-gaap_LandImprovementsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LandMember" xlink:label="us-gaap_LandMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NaturalGasMember" xlink:label="lxu_NaturalGasMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember" xlink:label="us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosurePropertyPlantAndEquipmentScheduleOfPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentGross" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_MachineryAndEquipmentMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_BuildingAndBuildingImprovementsMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_FurnitureFixturesAndStoreEquipmentMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_AssetsHeldUnderCapitalLeasesMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_LandImprovementsMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_NaturalGasMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_ConstructionInProgressMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_LandMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_RangeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalProcessingPlantsAndPlantInfrastructureMember" xlink:label="lxu_ChemicalProcessingPlantsAndPlantInfrastructureMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosurePropertyPlantAndEquipmentAdditionalInformationAbstract" xlink:label="lxu_DisclosurePropertyPlantAndEquipmentAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquipmentMember" xlink:label="us-gaap_EquipmentMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InterestCostCapitalizedAndDepreciationAndAmortizationExpensesForPropertyPlantAndEquipmentLineItems" xlink:label="lxu_InterestCostCapitalizedAndDepreciationAndAmortizationExpensesForPropertyPlantAndEquipmentLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="us-gaap_InterestCostsCapitalized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProcessingPlantComponentsMember" xlink:label="lxu_ProcessingPlantComponentsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_VehiclesAndOtherRollingStockMember" xlink:label="lxu_VehiclesAndOtherRollingStockMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosurePropertyPlantAndEquipmentAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InterestCostCapitalizedAndDepreciationAndAmortizationExpensesForPropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InterestCostCapitalizedAndDepreciationAndAmortizationExpensesForPropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_InterestCostCapitalizedAndDepreciationAndAmortizationExpensesForPropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_InterestCostsCapitalized" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_ChemicalProcessingPlantsAndPlantInfrastructureMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_EquipmentMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_ProcessingPlantComponentsMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_VehiclesAndOtherRollingStockMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_RangeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="lxu_InterestCostCapitalizedAndDepreciationAndAmortizationExpensesForPropertyPlantAndEquipmentLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureCurrentAndNoncurrentAccruedAndOtherLiabilitiesSummaryOfCurrentAndNoncurrentAccruedAndOtherLiabilities">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent" xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedContractualManufacturingObligationsCurrentAndNoncurrent" xlink:label="lxu_AccruedContractualManufacturingObligationsCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedContractualProfitSharingObligationCurrentAndNoncurrent" xlink:label="lxu_AccruedContractualProfitSharingObligationCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedGroupHealthAndWorkersCompensationInsuranceClaims" xlink:label="lxu_AccruedGroupHealthAndWorkersCompensationInsuranceClaims"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedIncomeTaxes" xlink:label="us-gaap_AccruedIncomeTaxes"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedSalesCommissionCurrentAndNoncurrent" xlink:label="us-gaap_AccruedSalesCommissionCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:label="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesTable" xlink:label="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CustomerDepositsCurrentAndNoncurrent" xlink:label="lxu_CustomerDepositsCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeferredRevenueOnExtendedWarrantyContractsCurrentAndNoncurrent" xlink:label="lxu_DeferredRevenueOnExtendedWarrantyContractsCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureCurrentAndNoncurrentAccruedAndOtherLiabilitiesSummaryOfCurrentAndNoncurrentAccruedAndOtherLiabilitiesAbstract" xlink:label="lxu_DisclosureCurrentAndNoncurrentAccruedAndOtherLiabilitiesSummaryOfCurrentAndNoncurrentAccruedAndOtherLiabilitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreements" xlink:label="lxu_ExecutiveBenefitAgreements"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="us-gaap_LiabilitiesFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="us-gaap_OtherLiabilities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="us-gaap_ProductWarrantyAccrual"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="lxu_CustomerDepositsCurrentAndNoncurrent" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="lxu_DeferredRevenueOnExtendedWarrantyContractsCurrentAndNoncurrent" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_ProductWarrantyAccrual" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_AccruedIncomeTaxes" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="lxu_AccruedContractualManufacturingObligationsCurrentAndNoncurrent" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="lxu_AccruedGroupHealthAndWorkersCompensationInsuranceClaims" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_LiabilitiesFairValueDisclosure" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="lxu_ExecutiveBenefitAgreements" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_AccruedSalesCommissionCurrentAndNoncurrent" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="lxu_AccruedContractualProfitSharingObligationCurrentAndNoncurrent" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrentAndNoncurrent" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_OtherLiabilities" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_OtherLiabilitiesNoncurrent" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" xlink:to="us-gaap_OtherLiabilitiesCurrent" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesTable" xlink:to="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureCurrentAndNoncurrentAccruedAndOtherLiabilitiesSummaryOfCurrentAndNoncurrentAccruedAndOtherLiabilitiesAbstract" xlink:to="lxu_CurrentAndNoncurrentAccruedAndOtherLiabilitiesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAccruedWarrantyCostsAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedWarrantyCostsLineItems" xlink:label="lxu_AccruedWarrantyCostsLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CommercialAndIndustrialProductBaseWarrantyCoverageForManufacturedProduct" xlink:label="lxu_CommercialAndIndustrialProductBaseWarrantyCoverageForManufacturedProduct"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CommercialAndIndustrialProductBaseWarrantyCoverageForSpareParts" xlink:label="lxu_CommercialAndIndustrialProductBaseWarrantyCoverageForSpareParts"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAccruedWarrantyCostsAdditionalInformationAbstract" xlink:label="lxu_DisclosureAccruedWarrantyCostsAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ResidentialProductsWarrantyCoverageForLaborAssociatedWithRepair" xlink:label="lxu_ResidentialProductsWarrantyCoverageForLaborAssociatedWithRepair"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="us-gaap_ScheduleOfGuaranteeObligationsTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_WarrantyCoverageForResidentialProductsFromDateOfShipment" xlink:label="lxu_WarrantyCoverageForResidentialProductsFromDateOfShipment"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="lxu_CommercialAndIndustrialProductBaseWarrantyCoverageForManufacturedProduct" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="lxu_CommercialAndIndustrialProductBaseWarrantyCoverageForSpareParts" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="lxu_WarrantyCoverageForResidentialProductsFromDateOfShipment" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="lxu_ResidentialProductsWarrantyCoverageForLaborAssociatedWithRepair" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAccruedWarrantyCostsAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfGuaranteeObligationsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:to="lxu_AccruedWarrantyCostsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAccruedWarrantyCostsChangesInProductWarrantyObligation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedWarrantyCostsLineItems" xlink:label="lxu_AccruedWarrantyCostsLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedWarrantyCostsTable" xlink:label="lxu_AccruedWarrantyCostsTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAccruedWarrantyCostsChangesInProductWarrantyObligationAbstract" xlink:label="lxu_DisclosureAccruedWarrantyCostsChangesInProductWarrantyObligationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="us-gaap_ProductWarrantyAccrual"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="us-gaap_ProductWarrantyAccrual_2"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProductWarrantyAccrualChargedToCostsAndExpenses" xlink:label="lxu_ProductWarrantyAccrualChargedToCostsAndExpenses"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments" xlink:label="us-gaap_ProductWarrantyAccrualPayments"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="us-gaap_ProductWarrantyAccrual" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="lxu_ProductWarrantyAccrualChargedToCostsAndExpenses" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="us-gaap_ProductWarrantyAccrualPayments" order="1.0300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsLineItems" xlink:to="us-gaap_ProductWarrantyAccrual_2" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AccruedWarrantyCostsTable" xlink:to="lxu_AccruedWarrantyCostsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAccruedWarrantyCostsChangesInProductWarrantyObligationAbstract" xlink:to="lxu_AccruedWarrantyCostsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureAssetRetirementObligationsAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AssetRetirementObligationLineItems" xlink:label="lxu_AssetRetirementObligationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AssetRetirementObligationTable" xlink:label="lxu_AssetRetirementObligationTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureAssetRetirementObligationsAdditionalInformationAbstract" xlink:label="lxu_DisclosureAssetRetirementObligationsAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AssetRetirementObligationLineItems" xlink:to="us-gaap_AssetRetirementObligationsNoncurrent" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AssetRetirementObligationTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AssetRetirementObligationTable" xlink:to="lxu_AssetRetirementObligationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureAssetRetirementObligationsAdditionalInformationAbstract" xlink:to="lxu_AssetRetirementObligationTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtScheduleOfLongTermDebt">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureLongTermDebtScheduleOfLongTermDebtAbstract" xlink:label="lxu_DisclosureLongTermDebtScheduleOfLongTermDebtAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherLongTermDebtMember" xlink:label="lxu_OtherLongTermDebtMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="us-gaap_SecuredDebtMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_WorkingCapitalRevolverLoanMember" xlink:label="lxu_WorkingCapitalRevolverLoanMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtAndCapitalLeaseObligations" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligations" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureLongTermDebtScheduleOfLongTermDebtAbstract" xlink:to="us-gaap_DebtInstrumentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_SecuredDebtMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="lxu_WorkingCapitalRevolverLoanMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="lxu_OtherLongTermDebtMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtScheduleOfLongTermDebtParenthetical">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmendedDebtInstrumentPrincipalAmount" xlink:label="lxu_AmendedDebtInstrumentPrincipalAmount"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmendedWorkingCapitalRevolverLoanMaturityDateConditionalExtension" xlink:label="lxu_AmendedWorkingCapitalRevolverLoanMaturityDateConditionalExtension"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="us-gaap_CapitalLeaseObligations"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarryingValueOfPledgedAssets" xlink:label="lxu_CarryingValueOfPledgedAssets"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarryingValueOfRestrictedNetAssets" xlink:label="lxu_CarryingValueOfRestrictedNetAssets"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DateOfAmendedWorkingCapitalRevolverLoan" xlink:label="lxu_DateOfAmendedWorkingCapitalRevolverLoan"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebtInstrumentAdditionalPrincipalAmount" xlink:label="lxu_DebtInstrumentAdditionalPrincipalAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentCovenantDescription" xlink:label="us-gaap_DebtInstrumentCovenantDescription"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentPrincipal"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureLongTermDebtScheduleOfLongTermDebtAbstract" xlink:label="lxu_DisclosureLongTermDebtScheduleOfLongTermDebtAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EndDatePrepaymentPremiumPeriod" xlink:label="lxu_EndDatePrepaymentPremiumPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FivePointFivePercentUnsecuredSeniorNotesMember" xlink:label="lxu_FivePointFivePercentUnsecuredSeniorNotesMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LetterOfCreditMaximumCapacity" xlink:label="lxu_LetterOfCreditMaximumCapacity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDescription"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LineOfCreditFacilityUnusedLetterOfCreditFeePercentage" xlink:label="lxu_LineOfCreditFacilityUnusedLetterOfCreditFeePercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtWeightedAverageInterestRate" xlink:label="us-gaap_LongtermDebtWeightedAverageInterestRate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaturityDateOfAmendedSecuredTermLoan" xlink:label="lxu_MaturityDateOfAmendedSecuredTermLoan"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaturityDateOfAmendedWorkingCapitalRevolverLoan" xlink:label="lxu_MaturityDateOfAmendedWorkingCapitalRevolverLoan"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaturityDateOfOriginalSecuredTermLoan" xlink:label="lxu_MaturityDateOfOriginalSecuredTermLoan"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ModifiedDebtInstrumentPrincipalAmount" xlink:label="lxu_ModifiedDebtInstrumentPrincipalAmount"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OriginalDebtInstrumentPrincipalAmount" xlink:label="lxu_OriginalDebtInstrumentPrincipalAmount"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherLongTermDebtMember" xlink:label="lxu_OtherLongTermDebtMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PercentageOfPrincipalAmountAsPrepaymentPremium" xlink:label="lxu_PercentageOfPrincipalAmountAsPrepaymentPremium"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PeriodForLondonInterbankOfferedRate" xlink:label="lxu_PeriodForLondonInterbankOfferedRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="us-gaap_SecuredDebtMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SecuredTermLoanAgreementRequirements" xlink:label="lxu_SecuredTermLoanAgreementRequirements"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SecuredTermLoanPeriodicPaymentTermsBalloonPaymentAmount" xlink:label="lxu_SecuredTermLoanPeriodicPaymentTermsBalloonPaymentAmount"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_WorkingCapitalRevolverLoanMember" xlink:label="lxu_WorkingCapitalRevolverLoanMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LongtermDebtWeightedAverageInterestRate" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityInterestRateDescription" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_MaturityDateOfAmendedWorkingCapitalRevolverLoan" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_DateOfAmendedWorkingCapitalRevolverLoan" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_AmendedWorkingCapitalRevolverLoanMaturityDateConditionalExtension" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_LetterOfCreditMaximumCapacity" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_LineOfCreditFacilityUnusedLetterOfCreditFeePercentage" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_CarryingValueOfPledgedAssets" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentCovenantDescription" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_OriginalDebtInstrumentPrincipalAmount" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_ModifiedDebtInstrumentPrincipalAmount" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_DebtInstrumentAdditionalPrincipalAmount" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_AmendedDebtInstrumentPrincipalAmount" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_MaturityDateOfOriginalSecuredTermLoan" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_MaturityDateOfAmendedSecuredTermLoan" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentPeriodicPaymentPrincipal" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_SecuredTermLoanPeriodicPaymentTermsBalloonPaymentAmount" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_PeriodForLondonInterbankOfferedRate" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_CarryingValueOfRestrictedNetAssets" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_SecuredTermLoanAgreementRequirements" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_PercentageOfPrincipalAmountAsPrepaymentPremium" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="lxu_EndDatePrepaymentPremiumPeriod" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_CapitalLeaseObligations" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="lxu_FivePointFivePercentUnsecuredSeniorNotesMember" order="1.3300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentAxis" order="2.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" order="3.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureLongTermDebtScheduleOfLongTermDebtAbstract" xlink:to="us-gaap_DebtInstrumentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_SecuredDebtMember" order="1.3200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="lxu_WorkingCapitalRevolverLoanMember" order="1.3400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="lxu_OtherLongTermDebtMember" order="1.3500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtStatedInterestRateOnSecuredTermLoan">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebtDisclosureLineItems" xlink:label="lxu_DebtDisclosureLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebtDisclosureTable" xlink:label="lxu_DebtDisclosureTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureLongTermDebtStatedInterestRateOnSecuredTermLoanAbstract" xlink:label="lxu_DisclosureLongTermDebtStatedInterestRateOnSecuredTermLoanAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtPercentageBearingFixedInterestAmount" xlink:label="us-gaap_LongtermDebtPercentageBearingFixedInterestAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtPercentageBearingFixedInterestRate" xlink:label="us-gaap_LongTermDebtPercentageBearingFixedInterestRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtPercentageBearingVariableInterestAmount" xlink:label="us-gaap_LongtermDebtPercentageBearingVariableInterestAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtPercentageBearingVariableInterestRate" xlink:label="us-gaap_LongTermDebtPercentageBearingVariableInterestRate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LongTermDebtPercentageBearingWeightedAverageInterestAmount" xlink:label="lxu_LongTermDebtPercentageBearingWeightedAverageInterestAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtWeightedAverageInterestRate" xlink:label="us-gaap_LongtermDebtWeightedAverageInterestRate"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureLineItems" xlink:to="us-gaap_LongtermDebtPercentageBearingVariableInterestAmount" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureLineItems" xlink:to="us-gaap_LongtermDebtPercentageBearingFixedInterestAmount" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureLineItems" xlink:to="lxu_LongTermDebtPercentageBearingWeightedAverageInterestAmount" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureLineItems" xlink:to="us-gaap_LongTermDebtPercentageBearingVariableInterestRate" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureLineItems" xlink:to="us-gaap_LongTermDebtPercentageBearingFixedInterestRate" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureLineItems" xlink:to="us-gaap_LongtermDebtWeightedAverageInterestRate" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtDisclosureTable" xlink:to="lxu_DebtDisclosureLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureLongTermDebtStatedInterestRateOnSecuredTermLoanAbstract" xlink:to="lxu_DebtDisclosureTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtMaturitiesOfLongTermDebt">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebtLineItems" xlink:label="lxu_DebtLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebtTable" xlink:label="lxu_DebtTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureLongTermDebtMaturitiesOfLongTermDebtAbstract" xlink:label="lxu_DisclosureLongTermDebtMaturitiesOfLongTermDebtAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtLineItems" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtLineItems" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtLineItems" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtLineItems" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtLineItems" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtLineItems" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtLineItems" xlink:to="us-gaap_DebtAndCapitalLeaseObligations" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtTable" xlink:to="lxu_DebtLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureLongTermDebtMaturitiesOfLongTermDebtAbstract" xlink:to="lxu_DebtTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureLongTermDebtSummaryOfAcquisitionTransactions">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebtTable" xlink:label="lxu_DebtTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureLongTermDebtSummaryOfAcquisitionTransactionsAbstract" xlink:label="lxu_DisclosureLongTermDebtSummaryOfAcquisitionTransactionsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfConvertibleDebt" xlink:label="us-gaap_RepaymentsOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_RepaymentsOfConvertibleDebt" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DebtTable" xlink:to="us-gaap_DebtInstrumentLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureLongTermDebtSummaryOfAcquisitionTransactionsAbstract" xlink:to="lxu_DebtTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfProvisionsForIncomeTaxes">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureIncomeTaxesSummaryOfProvisionsForIncomeTaxesAbstract" xlink:label="lxu_DisclosureIncomeTaxesSummaryOfProvisionsForIncomeTaxesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxesLineItems" xlink:label="lxu_IncomeTaxesLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxesTable" xlink:label="lxu_IncomeTaxesTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureIncomeTaxesSummaryOfProvisionsForIncomeTaxesAbstract" xlink:to="lxu_IncomeTaxesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesTable" xlink:to="lxu_IncomeTaxesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AdditionalIncomeTaxProvisionDueToNondeductibleExpenses" xlink:label="lxu_AdditionalIncomeTaxProvisionDueToNondeductibleExpenses"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CurrentPeriodTaxEffectToAdditionalPaidInCapitalFromShareBasedCompensation" xlink:label="lxu_CurrentPeriodTaxEffectToAdditionalPaidInCapitalFromShareBasedCompensation"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DecreasesInBasicNetIncomePerShareDueToNondeductibleExpenses" xlink:label="lxu_DecreasesInBasicNetIncomePerShareDueToNondeductibleExpenses"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DecreasesInDilutedNetIncomePerShareDueToNondeductibleExpenses" xlink:label="lxu_DecreasesInDilutedNetIncomePerShareDueToNondeductibleExpenses"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureIncomeTaxesAdditionalInformationAbstract" xlink:label="lxu_DisclosureIncomeTaxesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxRefundsDiscontinuedOperations" xlink:label="us-gaap_IncomeTaxRefundsDiscontinuedOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OperatingLossCarryforwardsNotAbleToBeUtilizedBeforeExpiration" xlink:label="lxu_OperatingLossCarryforwardsNotAbleToBeUtilizedBeforeExpiration"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OperatingLossCarryforwardsUtilizedCurrentPeriod" xlink:label="lxu_OperatingLossCarryforwardsUtilizedCurrentPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:label="us-gaap_OperatingLossCarryforwardsValuationAllowance"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureIncomeTaxesAdditionalInformationAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_StateAndLocalJurisdictionMember" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxRefundsDiscontinuedOperations" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_AdditionalIncomeTaxProvisionDueToNondeductibleExpenses" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_DecreasesInBasicNetIncomePerShareDueToNondeductibleExpenses" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_DecreasesInDilutedNetIncomePerShareDueToNondeductibleExpenses" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_OperatingLossCarryforwardsUtilizedCurrentPeriod" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingLossCarryforwards" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_OperatingLossCarryforwardsNotAbleToBeUtilizedBeforeExpiration" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsValuationAllowance" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_CurrentPeriodTaxEffectToAdditionalPaidInCapitalFromShareBasedCompensation" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_IncomeTaxAuthorityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilities">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsHedgingTransactions" xlink:label="us-gaap_DeferredTaxAssetsHedgingTransactions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsInventory" xlink:label="us-gaap_DeferredTaxAssetsInventory"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNetAbstract" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNetAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeferredTaxAssetsLiabilitiesNetFederal" xlink:label="lxu_DeferredTaxAssetsLiabilitiesNetFederal"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeferredTaxAssetsLiabilitiesNetState" xlink:label="lxu_DeferredTaxAssetsLiabilitiesNetState"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="us-gaap_DeferredTaxLiabilities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates" xlink:label="us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="us-gaap_DeferredTaxLiabilitiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="us-gaap_DeferredTaxLiabilitiesOther"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeferredTaxLiabilitiesPrepaidAndOtherInsuranceReserves" xlink:label="lxu_DeferredTaxLiabilitiesPrepaidAndOtherInsuranceReserves"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="lxu_DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxesLineItems" xlink:label="lxu_IncomeTaxesLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxesTable" xlink:label="lxu_IncomeTaxesTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NetDeferredTaxAssetsLiabilitiesByTaxJurisdictionAbstract" xlink:label="lxu_NetDeferredTaxAssetsLiabilitiesByTaxJurisdictionAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsInventory" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsHedgingTransactions" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsOther" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsGross" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance" order="1.1900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:to="us-gaap_DeferredTaxAssetsNet" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="lxu_DeferredTaxLiabilitiesPrepaidAndOtherInsuranceReserves" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_DeferredTaxLiabilitiesOther" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_DeferredTaxLiabilities" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNetAbstract" xlink:to="us-gaap_DeferredTaxAssetsNetCurrent" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNetAbstract" xlink:to="us-gaap_DeferredTaxLiabilitiesNoncurrent" order="1.0800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNetAbstract" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureIncomeTaxesScheduleOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="lxu_IncomeTaxesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNetAbstract" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesLineItems" xlink:to="lxu_NetDeferredTaxAssetsLiabilitiesByTaxJurisdictionAbstract" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxesTable" xlink:to="lxu_IncomeTaxesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_NetDeferredTaxAssetsLiabilitiesByTaxJurisdictionAbstract" xlink:to="lxu_DeferredTaxAssetsLiabilitiesNetFederal" order="1.2600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_NetDeferredTaxAssetsLiabilitiesByTaxJurisdictionAbstract" xlink:to="lxu_DeferredTaxAssetsLiabilitiesNetState" order="1.2700" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_NetDeferredTaxAssetsLiabilitiesByTaxJurisdictionAbstract" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeProvisionForIncomeTaxes">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeProvisionForIncomeTaxesAbstract" xlink:label="lxu_DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeProvisionForIncomeTaxesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" xlink:label="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationTable" xlink:label="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities" xlink:label="us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="us-gaap_IncomeTaxReconciliationOtherAdjustments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" xlink:label="us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureIncomeTaxesIncomeFromContinuingOperationsBeforeProvisionForIncomeTaxesAbstract" xlink:to="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" xlink:to="us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" xlink:to="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" xlink:to="us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities" order="1.0300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" xlink:to="us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" xlink:to="us-gaap_IncomeTaxReconciliationOtherAdjustments" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationTable" xlink:to="lxu_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUncertainTaxPositions">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUncertainTaxPositionsAbstract" xlink:label="lxu_DisclosureIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUncertainTaxPositionsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" xlink:label="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IncomeTaxUncertainTaxPositionReconciliationTable" xlink:label="lxu_IncomeTaxUncertainTaxPositionReconciliationTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureIncomeTaxesReconciliationOfBeginningAndEndingAmountOfUncertainTaxPositionsAbstract" xlink:to="lxu_IncomeTaxUncertainTaxPositionReconciliationTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefits" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" order="1.0400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" order="1.0500" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefits_2" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_IncomeTaxUncertainTaxPositionReconciliationTable" xlink:to="lxu_IncomeTaxUncertainTaxPositionReconciliationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsOnLeases">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDue" xlink:label="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDue"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsOnLeasesAbstract" xlink:label="lxu_DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsOnLeasesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:label="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsTable" xlink:label="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureCommitmentsAndContingenciesScheduleOfFutureMinimumPaymentsOnLeasesAbstract" xlink:to="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueCurrent" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInTwoYears" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInThreeYears" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInFourYears" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInFiveYears" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDueThereafter" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" xlink:to="lxu_CapitalAndOperatingLeasesFutureMinimumPaymentsDue" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsTable" xlink:to="lxu_FutureMinimumLeasePaymentsUnderCapitalLeasesAndOperatingLeasesForContinuingOperationsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedGeneralLiabilityInsuranceClaims" xlink:label="lxu_AccruedGeneralLiabilityInsuranceClaims"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmmoniumNitrateSupplyAgreementMaturityDate" xlink:label="lxu_AmmoniumNitrateSupplyAgreementMaturityDate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalizedCostOfConstructionOfPipeline" xlink:label="lxu_CapitalizedCostOfConstructionOfPipeline"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalBusinessMember" xlink:label="lxu_ChemicalBusinessMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ClimateControlBusinessMember" xlink:label="lxu_ClimateControlBusinessMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CommitmentsAndContingenciesLineItems" xlink:label="lxu_CommitmentsAndContingenciesLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ContractMaturityDate" xlink:label="lxu_ContractMaturityDate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerAdvancesAndDeposits" xlink:label="us-gaap_CustomerAdvancesAndDeposits"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureCommitmentsAndContingenciesAdditionalInformationAbstract" xlink:label="lxu_DisclosureCommitmentsAndContingenciesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EldoradoMember" xlink:label="lxu_EldoradoMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EstimatedEpaCivilPenaltyLiability" xlink:label="lxu_EstimatedEpaCivilPenaltyLiability"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EstimatedProjectCosts" xlink:label="lxu_EstimatedProjectCosts"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EstimatedShareOfAnnualOperatingCostOfPipelineMaximum" xlink:label="lxu_EstimatedShareOfAnnualOperatingCostOfPipelineMaximum"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EstimatedShareOfAnnualOperatingCostOfPipelineMinimum" xlink:label="lxu_EstimatedShareOfAnnualOperatingCostOfPipelineMinimum"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExpectedCostOfConstructionOfPipeline" xlink:label="lxu_ExpectedCostOfConstructionOfPipeline"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_HallowellFacilityMember" xlink:label="lxu_HallowellFacilityMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InsuranceClaimsMember" xlink:label="us-gaap_InsuranceClaimsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="us-gaap_LettersOfCreditOutstandingAmount"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LiabilitiesRelatedToSuretiesMaximum" xlink:label="lxu_LiabilitiesRelatedToSuretiesMaximum"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LitigationSettlementGross" xlink:label="us-gaap_LitigationSettlementGross"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LongTermSupplyCommitmentQuantity" xlink:label="lxu_LongTermSupplyCommitmentQuantity"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaximumAmountOfSecuritiesCanBeSoldUnderShelfRegistrationStatement" xlink:label="lxu_MaximumAmountOfSecuritiesCanBeSoldUnderShelfRegistrationStatement"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaximumEstimatedRangeCapitalCostToAchieveCleanAirActEmissionRates" xlink:label="lxu_MaximumEstimatedRangeCapitalCostToAchieveCleanAirActEmissionRates"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaximumPenaltyAmountPerDayUnderCleanAirAct" xlink:label="lxu_MaximumPenaltyAmountPerDayUnderCleanAirAct"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MinimumEstimatedRangeCapitalCostToAchieveCleanAirActEmissionRates" xlink:label="lxu_MinimumEstimatedRangeCapitalCostToAchieveCleanAirActEmissionRates"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NumberOfNitricAcidAffectedPlant" xlink:label="lxu_NumberOfNitricAcidAffectedPlant"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NumberOfSubsidiariesUnderChemicalBusinessThatSoldTheirOperatingAssets" xlink:label="lxu_NumberOfSubsidiariesUnderChemicalBusinessThatSoldTheirOperatingAssets"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OperatingLeaseExpense" xlink:label="lxu_OperatingLeaseExpense"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OricaInternationalMember" xlink:label="lxu_OricaInternationalMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PaymentsUnderEmploymentAndSeveranceAgreements" xlink:label="lxu_PaymentsUnderEmploymentAndSeveranceAgreements"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PenaltyRelatedToDischargeWaterPermit" xlink:label="lxu_PenaltyRelatedToDischargeWaterPermit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PlantsCompliantWithCleanAirAct" xlink:label="lxu_PlantsCompliantWithCleanAirAct"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PlantsRequiringCleanAirActCapitalInvestment" xlink:label="lxu_PlantsRequiringCleanAirActCapitalInvestment"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProductLiabilityDeductiblePerClaim" xlink:label="lxu_ProductLiabilityDeductiblePerClaim"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PryorFacilityMember" xlink:label="lxu_PryorFacilityMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SettlementAmountRelatedToDischargeWaterPermit" xlink:label="lxu_SettlementAmountRelatedToDischargeWaterPermit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_OperatingLeaseExpense" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_ContractMaturityDate" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_LongTermSupplyCommitmentQuantity" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_AmmoniumNitrateSupplyAgreementMaturityDate" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="us-gaap_LettersOfCreditOutstandingAmount" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="us-gaap_CustomerAdvancesAndDeposits" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_EstimatedProjectCosts" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_LiabilitiesRelatedToSuretiesMaximum" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_MaximumAmountOfSecuritiesCanBeSoldUnderShelfRegistrationStatement" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_PaymentsUnderEmploymentAndSeveranceAgreements" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_PenaltyRelatedToDischargeWaterPermit" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_SettlementAmountRelatedToDischargeWaterPermit" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_ExpectedCostOfConstructionOfPipeline" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_CapitalizedCostOfConstructionOfPipeline" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_EstimatedShareOfAnnualOperatingCostOfPipelineMinimum" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_EstimatedShareOfAnnualOperatingCostOfPipelineMaximum" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_MaximumPenaltyAmountPerDayUnderCleanAirAct" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_NumberOfNitricAcidAffectedPlant" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_PlantsCompliantWithCleanAirAct" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_MinimumEstimatedRangeCapitalCostToAchieveCleanAirActEmissionRates" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_MaximumEstimatedRangeCapitalCostToAchieveCleanAirActEmissionRates" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_PlantsRequiringCleanAirActCapitalInvestment" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_EstimatedEpaCivilPenaltyLiability" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_NumberOfSubsidiariesUnderChemicalBusinessThatSoldTheirOperatingAssets" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="us-gaap_OtherLiabilitiesCurrent" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="us-gaap_LitigationSettlementGross" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_ProductLiabilityDeductiblePerClaim" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CommitmentsAndContingenciesLineItems" xlink:to="lxu_AccruedGeneralLiabilityInsuranceClaims" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureCommitmentsAndContingenciesAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_PryorFacilityMember" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="lxu_CommitmentsAndContingenciesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_OricaInternationalMember" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_HallowellFacilityMember" order="1.3200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalBusinessMember" order="1.3300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ClimateControlBusinessMember" order="1.3400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_InsuranceClaimsMember" order="1.3500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_EldoradoMember" order="1.3600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarbonCreditFairValuePerUnit" xlink:label="lxu_CarbonCreditFairValuePerUnit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarbonCreditHigherRangeOfAskOrBidPrice" xlink:label="lxu_CarbonCreditHigherRangeOfAskOrBidPrice"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarbonCreditLowerRangeOfAskOrBidPrice" xlink:label="lxu_CarbonCreditLowerRangeOfAskOrBidPrice"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ContractualWeightedAveragePayRate" xlink:label="lxu_ContractualWeightedAveragePayRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeBasisSpreadOnVariableRate" xlink:label="us-gaap_DerivativeBasisSpreadOnVariableRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFixedInterestRate" xlink:label="us-gaap_DerivativeFixedInterestRate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DerivativeFutureOrForwardContractInPounds" xlink:label="lxu_DerivativeFutureOrForwardContractInPounds"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="invest_DerivativeNotionalAmount"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAdditionalInformationAbstract" xlink:label="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EstimatedMarketWeightedAverageReceiveRate" xlink:label="lxu_EstimatedMarketWeightedAverageReceiveRate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FairValueMeasurementWithInputsReconciliationRecurringBasisAssetTransfersInOutOfLevelOneAndLevelTwo" xlink:label="lxu_FairValueMeasurementWithInputsReconciliationRecurringBasisAssetTransfersInOutOfLevelOneAndLevelTwo"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FutureOrForwardCopperContractPeriod" xlink:label="lxu_FutureOrForwardCopperContractPeriod"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InterestRateContractsAtCost" xlink:label="lxu_InterestRateContractsAtCost"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InterestRateContractsFixedRateDescription" xlink:label="lxu_InterestRateContractsFixedRateDescription"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InterestRateSwapDecliningBalanceEndingBalance" xlink:label="lxu_InterestRateSwapDecliningBalanceEndingBalance"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaturityDateOfInterestRateContractHeld" xlink:label="lxu_MaturityDateOfInterestRateContractHeld"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotionalAmountOfInterestRateDerivatives" xlink:label="us-gaap_NotionalAmountOfInterestRateDerivatives"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_WeightedAverageCostPerPoundOfFutureOrForwardCopperContract" xlink:label="lxu_WeightedAverageCostPerPoundOfFutureOrForwardCopperContract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAdditionalInformationAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="lxu_InterestRateContractsFixedRateDescription" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="lxu_MaturityDateOfInterestRateContractHeld" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="lxu_InterestRateContractsAtCost" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="us-gaap_DerivativeBasisSpreadOnVariableRate" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="invest_DerivativeNotionalAmount" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="us-gaap_DerivativeFixedInterestRate" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="us-gaap_NotionalAmountOfInterestRateDerivatives" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="lxu_InterestRateSwapDecliningBalanceEndingBalance" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FutureOrForwardCopperContractPeriod" xlink:to="lxu_FairValueMeasurementWithInputsReconciliationRecurringBasisAssetTransfersInOutOfLevelOneAndLevelTwo" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ContractualWeightedAveragePayRate" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_EstimatedMarketWeightedAverageReceiveRate" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_CarbonCreditFairValuePerUnit" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_CarbonCreditLowerRangeOfAskOrBidPrice" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_CarbonCreditHigherRangeOfAskOrBidPrice" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_DerivativeFutureOrForwardContractInPounds" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_WeightedAverageCostPerPoundOfFutureOrForwardCopperContract" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_FutureOrForwardCopperContractPeriod" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarbonCreditAssetsFairValueDisclosure" xlink:label="lxu_CarbonCreditAssetsFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarbonCreditLiabilitiesFairValueDisclosure" xlink:label="lxu_CarbonCreditLiabilitiesFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarbonCreditsMember" xlink:label="lxu_CarbonCreditsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="us-gaap_CommodityContractMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="us-gaap_DerivativeAssets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract" xlink:label="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FairValueAssetsMeasuredOnRecurringBasisLineItems" xlink:label="lxu_FairValueAssetsMeasuredOnRecurringBasisLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="us-gaap_FairValueMeasurementsRecurringMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="us-gaap_InterestRateContractMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="us-gaap_LiabilitiesFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsFairValueDisclosureAbstract" xlink:to="us-gaap_DerivativeAssets" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsFairValueDisclosureAbstract" xlink:to="lxu_CarbonCreditAssetsFairValueDisclosure" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsFairValueDisclosureAbstract" xlink:to="us-gaap_AssetsFairValueDisclosure" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_CommodityContractMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="lxu_CarbonCreditsMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_InterestRateContractMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeContractTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_DerivativeInstrumentRiskAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis" order="12.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="lxu_FairValueAssetsMeasuredOnRecurringBasisLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueAssetsMeasuredOnRecurringBasisLineItems" xlink:to="us-gaap_AssetsFairValueDisclosureAbstract" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueAssetsMeasuredOnRecurringBasisLineItems" xlink:to="us-gaap_LiabilitiesFairValueDisclosureAbstract" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementsRecurringMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel1Member" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel2Member" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel3Member" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:to="lxu_CarbonCreditLiabilitiesFairValueDisclosure" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:to="us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:to="us-gaap_LiabilitiesFairValueDisclosure" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsReconciliationOfBeginningAndEndingBalancesForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasis">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsReconciliationOfBeginningAndEndingBalancesForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract" xlink:label="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsReconciliationOfBeginningAndEndingBalancesForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:label="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:label="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsReconciliationOfBeginningAndEndingBalancesForAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3" order="1.0800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" order="1.0900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" order="1.1200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" order="1.1300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" order="1.1500" preferredLabel="http://xbrl.us/us-gaap/role/label/negatedPeriodStart" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3" order="1.1700" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales" order="1.2100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements" order="1.2200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_2" order="1.2300" preferredLabel="http://xbrl.us/us-gaap/role/label/negatedPeriodEnd" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsAbstract" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilitiesAbstract" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsRealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatement">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CarbonCreditsMember" xlink:label="lxu_CarbonCreditsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="us-gaap_CommodityContractMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ContractualObligationsRelatingToCarbonCreditsMember" xlink:label="lxu_ContractualObligationsRelatingToCarbonCreditsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="us-gaap_CostOfSalesMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DerivativeInstrumentsCarbonCreditsGainLossRecognizedInEarnings" xlink:label="lxu_DerivativeInstrumentsCarbonCreditsGainLossRecognizedInEarnings"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DerivativeInstrumentsChangeInUnrealizedGainsLossesRelatingToContractsStillHeldAtPeriodEnd" xlink:label="lxu_DerivativeInstrumentsChangeInUnrealizedGainsLossesRelatingToContractsStillHeldAtPeriodEnd"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsRealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatementAbstract" xlink:label="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsRealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatementAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="us-gaap_ForeignExchangeContractMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_GainsLossesIncludedInEarningsAbstract" xlink:label="lxu_GainsLossesIncludedInEarningsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="us-gaap_InterestExpenseMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="us-gaap_InterestRateContractMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherExpenseMember" xlink:label="us-gaap_OtherExpenseMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeMember" xlink:label="us-gaap_OtherIncomeMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatementAbstract" xlink:label="lxu_RealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatementAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_CommodityContractMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_ForeignExchangeContractMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="lxu_CarbonCreditsMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="lxu_ContractualObligationsRelatingToCarbonCreditsMember" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_InterestRateContractMember" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeContractTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="us-gaap_IncomeStatementLocationAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="us-gaap_DerivativeInstrumentRiskAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="us-gaap_DerivativeInstrumentsGainLossLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:to="lxu_GainsLossesIncludedInEarningsAbstract" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:to="lxu_RealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatementAbstract" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureDerivativesHedgesFinancialInstrumentsAndCarbonCreditsRealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatementAbstract" xlink:to="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_GainsLossesIncludedInEarningsAbstract" xlink:to="lxu_DerivativeInstrumentsCarbonCreditsGainLossRecognizedInEarnings" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_CostOfSalesMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_OtherIncomeMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_OtherExpenseMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_InterestExpenseMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_RealizedAndUnrealizedNetLossesIncludedInEarningsAndIncomeStatementAbstract" xlink:to="lxu_DerivativeInstrumentsChangeInUnrealizedGainsLossesRelatingToContractsStillHeldAtPeriodEnd" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityAdditionalInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DateOfApprovalOfStockIncentivePlan" xlink:label="lxu_DateOfApprovalOfStockIncentivePlan"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureStockholdersEquityAdditionalInformationAbstract" xlink:label="lxu_DisclosureStockholdersEquityAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExchangeRatioOfCommonShare" xlink:label="lxu_ExchangeRatioOfCommonShare"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExercisePeriodOfNonQualifiedStockOptionsTermination" xlink:label="lxu_ExercisePeriodOfNonQualifiedStockOptionsTermination"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExercisePriceOfPreferredStock" xlink:label="lxu_ExercisePriceOfPreferredStock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExercisePriceOfStockOptionAsPercentageOfFairMarketValue" xlink:label="lxu_ExercisePriceOfStockOptionAsPercentageOfFairMarketValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaximumTermOfStockOptions" xlink:label="lxu_MaximumTermOfStockOptions"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaximumTimeForRedemptionAfterRightsBecomeExercisable" xlink:label="lxu_MaximumTimeForRedemptionAfterRightsBecomeExercisable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MinimumExercisePriceOfStockOptionGrantDate" xlink:label="lxu_MinimumExercisePriceOfStockOptionGrantDate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MinimumPercentageOfBeneficialOwnershipCommonStockToEndPreferredShareRightsExchange" xlink:label="lxu_MinimumPercentageOfBeneficialOwnershipCommonStockToEndPreferredShareRightsExchange"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MinimumPercentageOfOwnershipOfCommonStockRequiredToExercisePreferredSharePurchaseRights" xlink:label="lxu_MinimumPercentageOfOwnershipOfCommonStockRequiredToExercisePreferredSharePurchaseRights"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NonqualifiedStockOptionPlanMember" xlink:label="lxu_NonqualifiedStockOptionPlanMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherPlansMember" xlink:label="lxu_OtherPlansMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OutsideDirectorPlanMember" xlink:label="lxu_OutsideDirectorPlanMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreferredShareRightPlanDescription" xlink:label="lxu_PreferredShareRightPlanDescription"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreferredShareRightRedemptionPricePerShare" xlink:label="lxu_PreferredShareRightRedemptionPricePerShare"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreferredShareRightsPlanMember" xlink:label="lxu_PreferredShareRightsPlanMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_QualifiedStockOptionPlansMember" xlink:label="lxu_QualifiedStockOptionPlansMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableTerminationEvent" xlink:label="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableTerminationEvent"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedAtPercentageRateForFirstFiveYears" xlink:label="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedAtPercentageRateForFirstFiveYears"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingFinalYear" xlink:label="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingFinalYear"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityLineItems" xlink:label="lxu_StockholdersEquityLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityTable" xlink:label="lxu_StockholdersEquityTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TermOfHistoricalVolatilityOfCommonStock" xlink:label="lxu_TermOfHistoricalVolatilityOfCommonStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TwoThousandAndEightPlanMember" xlink:label="lxu_TwoThousandAndEightPlanMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TwoThousandEightPlanMember" xlink:label="lxu_TwoThousandEightPlanMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TwoThousandSixOptionsMember" xlink:label="lxu_TwoThousandSixOptionsMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureStockholdersEquityAdditionalInformationAbstract" xlink:to="lxu_StockholdersEquityTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="lxu_TwoThousandEightPlanMember" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="lxu_TwoThousandAndEightPlanMember" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="lxu_OutsideDirectorPlanMember" order="1.3200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="lxu_TwoThousandSixOptionsMember" order="1.3400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="lxu_OtherPlansMember" order="1.3500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_QualifiedStockOptionPlansMember" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_NonqualifiedStockOptionPlanMember" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_PreferredShareRightsPlanMember" order="1.3300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_DateOfApprovalOfStockIncentivePlan" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_MinimumExercisePriceOfStockOptionGrantDate" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ExercisePriceOfStockOptionAsPercentageOfFairMarketValue" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_MaximumTermOfStockOptions" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedAtPercentageRateForFirstFiveYears" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingFinalYear" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableTerminationEvent" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ExercisePeriodOfNonQualifiedStockOptionsTermination" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_TermOfHistoricalVolatilityOfCommonStock" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_PreferredShareRightPlanDescription" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_MinimumPercentageOfOwnershipOfCommonStockRequiredToExercisePreferredSharePurchaseRights" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ExercisePriceOfPreferredStock" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_PreferredShareRightRedemptionPricePerShare" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_MaximumTimeForRedemptionAfterRightsBecomeExercisable" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ExchangeRatioOfCommonShare" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_MinimumPercentageOfBeneficialOwnershipCommonStockToEndPreferredShareRightsExchange" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_TreasuryStockSharesAcquired" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_TreasuryStockAcquiredAverageCostPerShare" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="us-gaap_AwardTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="us-gaap_PlanNameAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="lxu_StockholdersEquityLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityValuationAssumptionsOfGrantedStockOptions">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AllocatedShareBasedCompensationExpenseCostOfSales" xlink:label="lxu_AllocatedShareBasedCompensationExpenseCostOfSales"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AllocatedShareBasedCompensationExpenseSellingGeneralAndAdministrative" xlink:label="lxu_AllocatedShareBasedCompensationExpenseSellingGeneralAndAdministrative"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureStockholdersEquityValuationAssumptionsOfGrantedStockOptionsAbstract" xlink:label="lxu_DisclosureStockholdersEquityValuationAssumptionsOfGrantedStockOptionsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageForfeitureRate" xlink:label="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageForfeitureRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionOutstandingWeightedAverageRemainingVestingTerm" xlink:label="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionOutstandingWeightedAverageRemainingVestingTerm"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" xlink:label="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityLineItems" xlink:label="lxu_StockholdersEquityLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityTable" xlink:label="lxu_StockholdersEquityTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureStockholdersEquityValuationAssumptionsOfGrantedStockOptionsAbstract" xlink:to="lxu_StockholdersEquityTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageForfeitureRate" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionOutstandingWeightedAverageRemainingVestingTerm" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_AllocatedShareBasedCompensationExpenseCostOfSales" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="lxu_AllocatedShareBasedCompensationExpenseSellingGeneralAndAdministrative" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="lxu_StockholdersEquityLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityStockOptionActivitiesOfStockOptionPlans">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureStockholdersEquityStockOptionActivitiesOfStockOptionPlansAbstract" xlink:label="lxu_DisclosureStockholdersEquityStockOptionActivitiesOfStockOptionPlansAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NineteenNinetyEightPlanMember" xlink:label="lxu_NineteenNinetyEightPlanMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NonqualifiedStockOptionPlanMember" xlink:label="lxu_NonqualifiedStockOptionPlanMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_QualifiedStockOptionPlansMember" xlink:label="lxu_QualifiedStockOptionPlansMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityLineItems" xlink:label="lxu_StockholdersEquityLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityTable" xlink:label="lxu_StockholdersEquityTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TwoThousandAndEightPlanMember" xlink:label="lxu_TwoThousandAndEightPlanMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureStockholdersEquityStockOptionActivitiesOfStockOptionPlansAbstract" xlink:to="lxu_StockholdersEquityTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="lxu_TwoThousandAndEightPlanMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PlanNameDomain" xlink:to="lxu_NineteenNinetyEightPlanMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_QualifiedStockOptionPlansMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_NonqualifiedStockOptionPlanMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" order="1.1000" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" order="1.1100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodFairValue" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="us-gaap_PlanNameAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="us-gaap_AwardTypeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="lxu_StockholdersEquityLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureStockholdersEquityStockOptionsOutstandingAndExercisable">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureStockholdersEquityStockOptionsOutstandingAndExercisableAbstract" xlink:label="lxu_DisclosureStockholdersEquityStockOptionsOutstandingAndExercisableAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FifthRangeOfExercisePriceMember" xlink:label="lxu_FifthRangeOfExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FirstRangeOfExercisePriceMember" xlink:label="lxu_FirstRangeOfExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FourthRangeOfExercisePriceMember" xlink:label="lxu_FourthRangeOfExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NonqualifiedStockOptionPlanMember" xlink:label="lxu_NonqualifiedStockOptionPlanMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_QualifiedStockOptionPlansMember" xlink:label="lxu_QualifiedStockOptionPlansMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RangeEightExercisePriceMember" xlink:label="lxu_RangeEightExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RangeNineExercisePriceMember" xlink:label="lxu_RangeNineExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RangeSevenExercisePriceMember" xlink:label="lxu_RangeSevenExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RangeSixExercisePriceMember" xlink:label="lxu_RangeSixExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SecondRangeOfExercisePriceMember" xlink:label="lxu_SecondRangeOfExercisePriceMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityLineItems" xlink:label="lxu_StockholdersEquityLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityTable" xlink:label="lxu_StockholdersEquityTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ThirdRangeOfExercisePriceMember" xlink:label="lxu_ThirdRangeOfExercisePriceMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureStockholdersEquityStockOptionsOutstandingAndExercisableAbstract" xlink:to="lxu_StockholdersEquityTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_NonqualifiedStockOptionPlanMember" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_QualifiedStockOptionPlansMember" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_RangeSixExercisePriceMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_RangeSevenExercisePriceMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_RangeEightExercisePriceMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_RangeNineExercisePriceMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_FirstRangeOfExercisePriceMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_SecondRangeOfExercisePriceMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_ThirdRangeOfExercisePriceMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_FourthRangeOfExercisePriceMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="lxu_FifthRangeOfExercisePriceMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="us-gaap_AwardTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_StockholdersEquityTable" xlink:to="lxu_StockholdersEquityLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureNonRedeemablePreferredStockAdditionalInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:label="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConvertiblePreferredStockTermsOfConversion" xlink:label="us-gaap_ConvertiblePreferredStockTermsOfConversion"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureNonRedeemablePreferredStockAdditionalInformationAbstract" xlink:label="lxu_DisclosureNonRedeemablePreferredStockAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="us-gaap_DividendsPreferredStockCash"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonredeemablePreferredStockMember" xlink:label="us-gaap_NonredeemablePreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockAmountOfPreferredDividendsInArrears" xlink:label="us-gaap_PreferredStockAmountOfPreferredDividendsInArrears"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_PreferredStockCapitalSharesReservedForFutureIssuance"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendsPerShareCashPaid" xlink:label="us-gaap_PreferredStockDividendsPerShareCashPaid"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreferredStockLineItems" xlink:label="lxu_PreferredStockLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockLiquidationPreference" xlink:label="us-gaap_PreferredStockLiquidationPreference"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockNoParValue" xlink:label="us-gaap_PreferredStockNoParValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreferredStockTable" xlink:label="lxu_PreferredStockTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockVotingRights" xlink:label="us-gaap_PreferredStockVotingRights"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="us-gaap_SeriesBPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="us-gaap_SeriesDPreferredStockMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesBPreferredStockMember" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_SeriesDPreferredStockMember" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_NonredeemablePreferredStockMember" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureNonRedeemablePreferredStockAdditionalInformationAbstract" xlink:to="lxu_PreferredStockTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockSharesOutstanding" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockSharesIssued" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockDividendRatePercentage" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_ConvertiblePreferredStockTermsOfConversion" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockNoParValue" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockLiquidationPreference" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockVotingRights" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_DividendsPreferredStockCash" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockDividendsPerShareCashPaid" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockAmountOfPreferredDividendsInArrears" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockLineItems" xlink:to="us-gaap_PreferredStockCapitalSharesReservedForFutureIssuance" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PreferredStockTable" xlink:to="lxu_PreferredStockLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmountOfMonthlyInstallments" xlink:label="lxu_AmountOfMonthlyInstallments"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeathBenefit1981AgreementsMember" xlink:label="lxu_DeathBenefit1981AgreementsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeathBenefit1992AgreementsMember" xlink:label="lxu_DeathBenefit1992AgreementsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="us-gaap_DefinedBenefitPlansDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansAdditionalInformationAbstract" xlink:label="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EmployeePlansTable" xlink:label="lxu_EmployeePlansTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:label="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaximumAmountPayableInMonthlyInstallmentsEmployeeReachesAgeSixtyFive" xlink:label="lxu_MaximumAmountPayableInMonthlyInstallmentsEmployeeReachesAgeSixtyFive"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MinimumAmountOfLifeInsurancePoliciesToBeKeptByCompany" xlink:label="lxu_MinimumAmountOfLifeInsurancePoliciesToBeKeptByCompany"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MinimumAmountPayableInMonthlyInstallmentsEmployeeReachesAgeSixtyFive" xlink:label="lxu_MinimumAmountPayableInMonthlyInstallmentsEmployeeReachesAgeSixtyFive"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NumberOfEqualMonthlyInstallmentsToBePaidToBeneficiary" xlink:label="lxu_NumberOfEqualMonthlyInstallmentsToBePaidToBeneficiary"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:to="us-gaap_DefinedBenefitPlansDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lxu_DeathBenefit1992AgreementsMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lxu_DeathBenefit1981AgreementsMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansAdditionalInformationAbstract" xlink:to="lxu_EmployeePlansTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_NumberOfEqualMonthlyInstallmentsToBePaidToBeneficiary" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_AmountOfMonthlyInstallments" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_MinimumAmountPayableInMonthlyInstallmentsEmployeeReachesAgeSixtyFive" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_MaximumAmountPayableInMonthlyInstallmentsEmployeeReachesAgeSixtyFive" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_MinimumAmountOfLifeInsurancePoliciesToBeKeptByCompany" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitAgreements">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedDeathBenefits" xlink:label="lxu_AccruedDeathBenefits"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedExecutiveBenefits" xlink:label="lxu_AccruedExecutiveBenefits"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeathBenefit1981AgreementsMember" xlink:label="lxu_DeathBenefit1981AgreementsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeathBenefit1992AgreementsMember" xlink:label="lxu_DeathBenefit1992AgreementsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeathBenefit2005AgreementMember" xlink:label="lxu_DeathBenefit2005AgreementMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="us-gaap_DefinedBenefitPlansDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitAgreementsAbstract" xlink:label="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitAgreementsAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DiscountRatesUtilized" xlink:label="lxu_DiscountRatesUtilized"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EmployeePlansTable" xlink:label="lxu_EmployeePlansTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:label="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_UndiscountedDeathBenefits" xlink:label="lxu_UndiscountedDeathBenefits"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_UndiscountedExecutiveBenefits" xlink:label="lxu_UndiscountedExecutiveBenefits"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:to="us-gaap_DefinedBenefitPlansDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lxu_DeathBenefit1981AgreementsMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lxu_DeathBenefit1992AgreementsMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lxu_DeathBenefit2005AgreementMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitAgreementsAbstract" xlink:to="lxu_EmployeePlansTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_UndiscountedDeathBenefits" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_AccruedDeathBenefits" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_UndiscountedExecutiveBenefits" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_DiscountRatesUtilized" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_AccruedExecutiveBenefits" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitExpenses">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitExpensesAbstract" xlink:label="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitExpensesAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EmployeePlansTable" xlink:label="lxu_EmployeePlansTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:label="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitCosts" xlink:label="lxu_ExecutiveBenefitCosts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansExecutiveBenefitExpensesAbstract" xlink:to="lxu_EmployeePlansTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_ExecutiveBenefitCosts" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePolicies">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CashSurrenderValueNet" xlink:label="lxu_CashSurrenderValueNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashSurrenderValueOfLifeInsurance" xlink:label="us-gaap_CashSurrenderValueOfLifeInsurance"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesAbstract" xlink:label="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EmployeePlansTable" xlink:label="lxu_EmployeePlansTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:label="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:label="us-gaap_LifeInsuranceCorporateOrBankOwnedAmount"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LoansOnCashSurrenderValues" xlink:label="lxu_LoansOnCashSurrenderValues"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesAbstract" xlink:to="lxu_EmployeePlansTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="us-gaap_CashSurrenderValueOfLifeInsurance" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_LoansOnCashSurrenderValues" order="1.0400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_CashSurrenderValueNet" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePremiums">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CostOfLifeInsurancePremiumsIncludedInSellingGeneralAndAdministrativeExpenseGross" xlink:label="lxu_CostOfLifeInsurancePremiumsIncludedInSellingGeneralAndAdministrativeExpenseGross"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CostOfLifeInsurancePremiumsIncludedInSellingGeneralAndAdministrativeExpenseNet" xlink:label="lxu_CostOfLifeInsurancePremiumsIncludedInSellingGeneralAndAdministrativeExpenseNet"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePremiumsAbstract" xlink:label="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePremiumsAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EmployeePlansTable" xlink:label="lxu_EmployeePlansTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:label="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" xlink:label="us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePremiumsAbstract" xlink:to="lxu_EmployeePlansTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_CostOfLifeInsurancePremiumsIncludedInSellingGeneralAndAdministrativeExpenseGross" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="us-gaap_LifeInsuranceCorporateOrBankOwnedChangeInValue" order="1.0200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_CostOfLifeInsurancePremiumsIncludedInSellingGeneralAndAdministrativeExpenseNet" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesParenthetical">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmountPaidToChiefExecutiveOfficersDesignatedBeneficiary" xlink:label="lxu_AmountPaidToChiefExecutiveOfficersDesignatedBeneficiary"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeathBenefit2005AgreementMember" xlink:label="lxu_DeathBenefit2005AgreementMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:label="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DefinedBenefitPlansDomain" xlink:label="us-gaap_DefinedBenefitPlansDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesAbstract" xlink:label="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EmployeePlansTable" xlink:label="lxu_EmployeePlansTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:label="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:label="us-gaap_LifeInsuranceCorporateOrBankOwnedAmount"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" xlink:to="us-gaap_DefinedBenefitPlansDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DefinedBenefitPlansDomain" xlink:to="lxu_DeathBenefit2005AgreementMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureExecutiveBenefitAgreementsAndEmployeeSavingsPlansLifeInsurancePoliciesAbstract" xlink:to="lxu_EmployeePlansTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis" order="2.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_EmployeePlansTable" xlink:to="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansLineItems" xlink:to="lxu_AmountPaidToChiefExecutiveOfficersDesignatedBeneficiary" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosurePropertyAndBusinessInterruptionInsuranceClaimsAndRecoveryAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmountApprovedUnderInsuranceClaim" xlink:label="lxu_AmountApprovedUnderInsuranceClaim"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmountApprovedUnderInsuranceClaimWithReservationOfRights" xlink:label="lxu_AmountApprovedUnderInsuranceClaimWithReservationOfRights"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_BusinessInterruptionInsuranceMember" xlink:label="lxu_BusinessInterruptionInsuranceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CherokeeCorporatePkMember" xlink:label="lxu_CherokeeCorporatePkMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DeductibleForPropertyDamage" xlink:label="lxu_DeductibleForPropertyDamage"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosurePropertyAndBusinessInterruptionInsuranceClaimsAndRecoveryAdditionalInformationAbstract" xlink:label="lxu_DisclosurePropertyAndBusinessInterruptionInsuranceClaimsAndRecoveryAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_EldoradoMember" xlink:label="lxu_EldoradoMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainOnBusinessInterruptionInsuranceRecovery" xlink:label="us-gaap_GainOnBusinessInterruptionInsuranceRecovery"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InsuranceClaimRecoverableCosts" xlink:label="lxu_InsuranceClaimRecoverableCosts"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InsuranceClaimsReceivable" xlink:label="lxu_InsuranceClaimsReceivable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InsuranceRecoveriesInExcessOfRecoverableCostsNotRecognized" xlink:label="lxu_InsuranceRecoveriesInExcessOfRecoverableCostsNotRecognized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorPropertyClassAxis" xlink:label="us-gaap_MajorPropertyClassAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorPropertyClassDomain" xlink:label="us-gaap_MajorPropertyClassDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ProceedsFromInsuranceRecoveries" xlink:label="lxu_ProceedsFromInsuranceRecoveries"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:label="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PropertyInsuranceMember" xlink:label="lxu_PropertyInsuranceMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PropertyInsuranceRecoveriesInExcessOfLossesIncurred" xlink:label="lxu_PropertyInsuranceRecoveriesInExcessOfLossesIncurred"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PryorFacilityMember" xlink:label="lxu_PryorFacilityMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfBusinessInsuranceRecoveriesTable" xlink:label="us-gaap_ScheduleOfBusinessInsuranceRecoveriesTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_WaitingPeriodForBusinessInterruptionInsuranceCoverage" xlink:label="lxu_WaitingPeriodForBusinessInterruptionInsuranceCoverage"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosurePropertyAndBusinessInterruptionInsuranceClaimsAndRecoveryAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfBusinessInsuranceRecoveriesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorPropertyClassAxis" xlink:to="us-gaap_MajorPropertyClassDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorPropertyClassDomain" xlink:to="lxu_PropertyInsuranceMember" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorPropertyClassDomain" xlink:to="lxu_BusinessInterruptionInsuranceMember" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_WaitingPeriodForBusinessInterruptionInsuranceCoverage" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="us-gaap_GainOnBusinessInterruptionInsuranceRecovery" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_DeductibleForPropertyDamage" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_ProceedsFromInsuranceRecoveries" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_AmountApprovedUnderInsuranceClaim" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_AmountApprovedUnderInsuranceClaimWithReservationOfRights" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_InsuranceClaimRecoverableCosts" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_PropertyInsuranceRecoveriesInExcessOfLossesIncurred" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_InsuranceRecoveriesInExcessOfRecoverableCostsNotRecognized" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" xlink:to="lxu_InsuranceClaimsReceivable" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_PryorFacilityMember" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_EldoradoMember" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lxu_CherokeeCorporatePkMember" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessInsuranceRecoveriesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessInsuranceRecoveriesTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessInsuranceRecoveriesTable" xlink:to="us-gaap_MajorPropertyClassAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfBusinessInsuranceRecoveriesTable" xlink:to="lxu_PropertyAndOrBusinessInterruptionInsuranceClaimsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetScheduleOfOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNet">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetScheduleOfOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetAbstract" xlink:label="lxu_DisclosureOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetScheduleOfOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LitigationSettlementGross" xlink:label="us-gaap_LitigationSettlementGross"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MiscellaneousExpenseNonOperating" xlink:label="lxu_MiscellaneousExpenseNonOperating"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MiscellaneousExpenseOperating" xlink:label="lxu_MiscellaneousExpenseOperating"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MiscellaneousIncomeNonOperating" xlink:label="lxu_MiscellaneousIncomeNonOperating"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MiscellaneousIncomeOperating" xlink:label="lxu_MiscellaneousIncomeOperating"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCostAndExpenseDisclosureOperatingAbstract" xlink:label="us-gaap_OtherCostAndExpenseDisclosureOperatingAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="us-gaap_OtherCostAndExpenseOperating"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherIncomeAndOtherExpenseDisclosureLineItems" xlink:label="lxu_OtherIncomeAndOtherExpenseDisclosureLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherIncomeAndOtherExpenseDisclosureTable" xlink:label="lxu_OtherIncomeAndOtherExpenseDisclosureTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherOperatingIncome" xlink:label="us-gaap_OtherOperatingIncome"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherOperatingIncomeAbstract" xlink:label="lxu_OtherOperatingIncomeAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PropertyInsuranceRecoveriesInExcessOfLossesIncurred" xlink:label="lxu_PropertyInsuranceRecoveriesInExcessOfLossesIncurred"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RealizedAndUnrealizedGainOnCarbonCredits" xlink:label="lxu_RealizedAndUnrealizedGainOnCarbonCredits"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RealizedAndUnrealizedLossOnContractualObligationsAssociatedWithCarbonCredits" xlink:label="lxu_RealizedAndUnrealizedLossOnContractualObligationsAssociatedWithCarbonCredits"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetScheduleOfOtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetAbstract" xlink:to="lxu_OtherIncomeAndOtherExpenseDisclosureTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherCostAndExpenseDisclosureOperatingAbstract" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" order="1.0600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherCostAndExpenseDisclosureOperatingAbstract" xlink:to="lxu_RealizedAndUnrealizedLossOnContractualObligationsAssociatedWithCarbonCredits" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherCostAndExpenseDisclosureOperatingAbstract" xlink:to="lxu_MiscellaneousExpenseOperating" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherCostAndExpenseDisclosureOperatingAbstract" xlink:to="us-gaap_OtherCostAndExpenseOperating" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherIncomeAndOtherExpenseDisclosureLineItems" xlink:to="us-gaap_OtherCostAndExpenseDisclosureOperatingAbstract" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherIncomeAndOtherExpenseDisclosureLineItems" xlink:to="lxu_OtherOperatingIncomeAbstract" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherIncomeAndOtherExpenseDisclosureLineItems" xlink:to="us-gaap_OtherNonoperatingIncomeExpenseAbstract" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherIncomeAndOtherExpenseDisclosureTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherIncomeAndOtherExpenseDisclosureTable" xlink:to="lxu_OtherIncomeAndOtherExpenseDisclosureLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_InvestmentIncomeInterest" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="lxu_MiscellaneousIncomeNonOperating" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="lxu_MiscellaneousExpenseNonOperating" order="1.0400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpense" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherOperatingIncomeAbstract" xlink:to="us-gaap_LitigationSettlementGross" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherOperatingIncomeAbstract" xlink:to="lxu_RealizedAndUnrealizedGainOnCarbonCredits" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherOperatingIncomeAbstract" xlink:to="lxu_PropertyInsuranceRecoveriesInExcessOfLossesIncurred" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherOperatingIncomeAbstract" xlink:to="lxu_MiscellaneousIncomeOperating" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_OtherOperatingIncomeAbstract" xlink:to="us-gaap_OtherOperatingIncome" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalMember" xlink:label="lxu_ChemicalMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSegmentInformationAdditionalInformationAbstract" xlink:label="lxu_DisclosureSegmentInformationAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EntityWideRevenueMajorCustomerPercentage" xlink:label="us-gaap_EntityWideRevenueMajorCustomerPercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="us-gaap_MajorCustomersAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="us-gaap_NameOfMajorCustomerDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NumberOfPersonsEmployedByChemicalBusiness" xlink:label="lxu_NumberOfPersonsEmployedByChemicalBusiness"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NumberOfPersonsEmployedByChemicalBusinessRepresentedByUnion" xlink:label="lxu_NumberOfPersonsEmployedByChemicalBusinessRepresentedByUnion"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="us-gaap_NumberOfReportableSegments"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OricaMember" xlink:label="lxu_OricaMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSegmentInformationAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorCustomersAxis" xlink:to="us-gaap_NameOfMajorCustomerDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="lxu_OricaMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_MajorCustomersAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_SegmentReportingInformationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_NumberOfReportableSegments" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="lxu_NumberOfPersonsEmployedByChemicalBusiness" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="lxu_NumberOfPersonsEmployedByChemicalBusinessRepresentedByUnion" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_EntityWideRevenueMajorCustomerPercentage" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationSegmentFinancialInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AgriculturalProductsMember" xlink:label="lxu_AgriculturalProductsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="us-gaap_AllOtherSegmentsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalMember" xlink:label="lxu_ChemicalMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ClimateControlMember" xlink:label="lxu_ClimateControlMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSegmentInformationSegmentFinancialInformationAbstract" xlink:label="lxu_DisclosureSegmentInformationSegmentFinancialInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_GeothermalAndWaterSourceHeatPumpsMember" xlink:label="lxu_GeothermalAndWaterSourceHeatPumpsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_HydronicFanCoilsMember" xlink:label="lxu_HydronicFanCoilsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_IndustrialAcidsAndOtherChemicalProductsMember" xlink:label="lxu_IndustrialAcidsAndOtherChemicalProductsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MiningProductsMember" xlink:label="lxu_MiningProductsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NaturalGasMember" xlink:label="lxu_NaturalGasMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherHvcProductsMember" xlink:label="lxu_OtherHvcProductsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="us-gaap_ProductOrServiceAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="us-gaap_ProductsAndServicesDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="us-gaap_SalesRevenueNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSegmentInformationSegmentFinancialInformationAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="us-gaap_ProductsAndServicesDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="lxu_AgriculturalProductsMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="lxu_IndustrialAcidsAndOtherChemicalProductsMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="lxu_MiningProductsMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="lxu_NaturalGasMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="lxu_GeothermalAndWaterSourceHeatPumpsMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="lxu_HydronicFanCoilsMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="lxu_OtherHvcProductsMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ProductOrServiceAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_SegmentReportingInformationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalMember" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ClimateControlMember" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_AllOtherSegmentsMember" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SalesRevenueNet" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_OperatingIncomeLoss" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_GrossProfit" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_InterestExpense" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_OtherNonoperatingIncomeExpense" order="1.1300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt" order="1.1400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments" order="1.1600" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperations" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationGeneralCorporateExpensesAndOtherBusinessOperationsNet">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="us-gaap_AllOtherSegmentsMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSegmentInformationGeneralCorporateExpensesAndOtherBusinessOperationsNetAbstract" xlink:label="lxu_DisclosureSegmentInformationGeneralCorporateExpensesAndOtherBusinessOperationsNetAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="us-gaap_LaborAndRelatedExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="us-gaap_OtherCostAndExpenseOperating"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherOperatingIncome" xlink:label="us-gaap_OtherOperatingIncome"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="us-gaap_ProfessionalFees"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpenseAbstract" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpenseAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SellingGeneralAndAdministrativeOther" xlink:label="lxu_SellingGeneralAndAdministrativeOther"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSegmentInformationGeneralCorporateExpensesAndOtherBusinessOperationsNetAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_SegmentReportingInformationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_AllOtherSegmentsMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_GrossProfit" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpenseAbstract" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_OtherOperatingIncome" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_OtherCostAndExpenseOperating" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_OperatingIncomeLoss" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpenseAbstract" xlink:to="us-gaap_LaborAndRelatedExpense" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpenseAbstract" xlink:to="us-gaap_ProfessionalFees" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpenseAbstract" xlink:to="lxu_SellingGeneralAndAdministrativeOther" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpenseAbstract" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationPpeAndTotalAssetsByBusinessSegment">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionsToNoncurrentAssets" xlink:label="us-gaap_AdditionsToNoncurrentAssets"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AdditionsToPropertyPlantAndEquipmentAbstract" xlink:label="lxu_AdditionsToPropertyPlantAndEquipmentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChemicalMember" xlink:label="lxu_ChemicalMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ClimateControlMember" xlink:label="lxu_ClimateControlMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CorporateAssetsAndOtherMember" xlink:label="lxu_CorporateAssetsAndOtherMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortizationAbstract" xlink:label="us-gaap_DepreciationAndAmortizationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSegmentInformationPpeAndTotalAssetsByBusinessSegmentAbstract" xlink:label="lxu_DisclosureSegmentInformationPpeAndTotalAssetsByBusinessSegmentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_AdditionsToPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_AdditionsToNoncurrentAssets" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_Assets" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DepreciationAndAmortizationAbstract" xlink:to="us-gaap_DepreciationDepletionAndAmortization" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSegmentInformationPpeAndTotalAssetsByBusinessSegmentAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_SegmentReportingInformationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ChemicalMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_ClimateControlMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentDomain" xlink:to="lxu_CorporateAssetsAndOtherMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_DepreciationAndAmortizationAbstract" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="lxu_AdditionsToPropertyPlantAndEquipmentAbstract" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_AssetsAbstract" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSegmentInformationNetSalesToForeignCustomers">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CanadaMember" xlink:label="lxu_CanadaMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSegmentInformationNetSalesToForeignCustomersAbstract" xlink:label="lxu_DisclosureSegmentInformationNetSalesToForeignCustomersAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" xlink:label="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherLocationMember" xlink:label="lxu_OtherLocationMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="us-gaap_StatementGeographicalAxis"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSegmentInformationNetSalesToForeignCustomersAbstract" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_StatementGeographicalAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_SegmentReportingInformationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="lxu_CanadaMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="lxu_OtherLocationMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmountOfDebenturesSoldByRelatedParty" xlink:label="lxu_AmountOfDebenturesSoldByRelatedParty"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_BartonNoteDueDate" xlink:label="lxu_BartonNoteDueDate"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebenturesHeldByRelatedParty" xlink:label="lxu_DebenturesHeldByRelatedParty"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DebenturesMember" xlink:label="lxu_DebenturesMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureRelatedPartyTransactionsAdditionalInformationAbstract" xlink:label="lxu_DisclosureRelatedPartyTransactionsAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStock" xlink:label="us-gaap_DividendsPreferredStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_GolsenGroupMember" xlink:label="lxu_GolsenGroupMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InterestAccrued" xlink:label="lxu_InterestAccrued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpenseOther" xlink:label="us-gaap_InterestExpenseOther"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaid" xlink:label="us-gaap_InterestPaid"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LandmarkMember" xlink:label="lxu_LandmarkMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LimitedLiabilityCompanyMember" xlink:label="us-gaap_LimitedLiabilityCompanyMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_LoanMadeByRelatedParty" xlink:label="lxu_LoanMadeByRelatedParty"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_MaximumSharesAvailableForPurchaseUnderWarrants" xlink:label="lxu_MaximumSharesAvailableForPurchaseUnderWarrants"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:label="us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:label="us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityEquityAxis" xlink:label="us-gaap_OptionIndexedToIssuersEquityEquityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:label="us-gaap_OptionIndexedToIssuersEquityTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PartnersCapitalAccountContributions" xlink:label="us-gaap_PartnersCapitalAccountContributions"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PercentageOfReturnOnPurchasePrice" xlink:label="lxu_PercentageOfReturnOnPurchasePrice"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PrincipalAmountOfMembershipInterestOfLlcSoldForPromissoryNote" xlink:label="lxu_PrincipalAmountOfMembershipInterestOfLlcSoldForPromissoryNote"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PromissoryNoteMember" xlink:label="lxu_PromissoryNoteMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PurchasePriceRealEstateAgreement" xlink:label="lxu_PurchasePriceRealEstateAgreement"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PutOptionExercisePeriodUnderRealEstateAgreement" xlink:label="lxu_PutOptionExercisePeriodUnderRealEstateAgreement"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PutOptionMember" xlink:label="us-gaap_PutOptionMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SharePurchasePriceUnderWarrant" xlink:label="lxu_SharePurchasePriceUnderWarrant"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryNote" xlink:label="lxu_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryNote"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TexasRealEstateMember" xlink:label="lxu_TexasRealEstateMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_TwelveMonthAverageClosingPricePerCommonStockShare" xlink:label="lxu_TwelveMonthAverageClosingPricePerCommonStockShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WarrantMember" xlink:label="us-gaap_WarrantMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="lxu_DebenturesMember" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="lxu_PromissoryNoteMember" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureRelatedPartyTransactionsAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:to="us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:to="lxu_TexasRealEstateMember" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OptionIndexedToIssuersEquityEquityAxis" xlink:to="us-gaap_OptionIndexedToIssuersEquityTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:to="us-gaap_PutOptionMember" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:to="us-gaap_WarrantMember" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="lxu_GolsenGroupMember" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="lxu_LandmarkMember" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_LimitedLiabilityCompanyMember" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_InterestPaid" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_InterestAccrued" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_DebenturesHeldByRelatedParty" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_DividendsPreferredStock" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_AmountOfDebenturesSoldByRelatedParty" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_InterestExpenseOther" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_StockIssuedDuringPeriodSharesConversionOfConvertiblePromissoryNote" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_PurchasePriceRealEstateAgreement" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_PercentageOfReturnOnPurchasePrice" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_PutOptionExercisePeriodUnderRealEstateAgreement" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_MaximumSharesAvailableForPurchaseUnderWarrants" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_SharePurchasePriceUnderWarrant" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_TwelveMonthAverageClosingPricePerCommonStockShare" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_PartnersCapitalAccountContributions" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_LoanMadeByRelatedParty" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_PrincipalAmountOfMembershipInterestOfLlcSoldForPromissoryNote" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="lxu_BartonNoteDueDate" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_OptionIndexedToIssuersEquityEquityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_DebtInstrumentAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" order="12.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" order="13.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_RelatedPartyTransactionLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AmountApprovedUnderInsuranceClaimWithInsuranceCarrierReservationOfRights" xlink:label="lxu_AmountApprovedUnderInsuranceClaimWithInsuranceCarrierReservationOfRights"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateAtPeriodEnd" xlink:label="us-gaap_DebtInstrumentInterestRateAtPeriodEnd"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureSubsequentEventsAdditionalInformationAbstract" xlink:label="lxu_DisclosureSubsequentEventsAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendDeclaredMember" xlink:label="us-gaap_DividendDeclaredMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStock" xlink:label="us-gaap_DividendsPreferredStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RetroactiveTaxReliefForTaxProvisionsExpired" xlink:label="lxu_RetroactiveTaxReliefForTaxProvisionsExpired"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ZenaEnergyMember" xlink:label="lxu_ZenaEnergyMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="lxu_ZenaEnergyMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureSubsequentEventsAdditionalInformationAbstract" xlink:to="us-gaap_SubsequentEventTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DividendsPreferredStock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="lxu_AmountApprovedUnderInsuranceClaimWithInsuranceCarrierReservationOfRights" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="lxu_RetroactiveTaxReliefForTaxProvisionsExpired" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateAtPeriodEnd" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_BusinessAcquisitionAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_DividendDeclaredMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformation">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationAbstract" xlink:label="lxu_DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:label="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:label="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="us-gaap_SalesRevenueNet"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:label="lxu_ScheduleOfQuarterlyFinancialDataLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfQuarterlyFinancialDataTable" xlink:label="lxu_ScheduleOfQuarterlyFinancialDataTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationAbstract" xlink:to="lxu_ScheduleOfQuarterlyFinancialDataTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerBasicShareAbstract" xlink:to="us-gaap_EarningsPerShareBasic" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeLossBeforeExtraordinaryItemsAndCumulativeEffectOfChangeInAccountingPrinciplePerDilutedShareAbstract" xlink:to="us-gaap_EarningsPerShareDiluted" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_SalesRevenueNet" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_GrossProfit" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperations" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" order="1.1300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_NetIncomeLoss" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_EarningsPerShareAbstract" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataTable" xlink:to="lxu_ScheduleOfQuarterlyFinancialDataLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationParenthetical">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessInterruptionLossAxis" xlink:label="us-gaap_BusinessInterruptionLossAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessInterruptionLossDomain" xlink:label="us-gaap_BusinessInterruptionLossDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationAbstract" xlink:label="lxu_DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RecoveriesMember" xlink:label="lxu_RecoveriesMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:label="lxu_ScheduleOfQuarterlyFinancialDataLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfQuarterlyFinancialDataTable" xlink:label="lxu_ScheduleOfQuarterlyFinancialDataTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessInterruptionLossAxis" xlink:to="us-gaap_BusinessInterruptionLossDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_BusinessInterruptionLossDomain" xlink:to="lxu_RecoveriesMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_DisclosureQuarterlyFinancialDataScheduleOfQuarterlyFinancialInformationAbstract" xlink:to="lxu_ScheduleOfQuarterlyFinancialDataTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_GrossProfit" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperations" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataTable" xlink:to="us-gaap_BusinessInterruptionLossAxis" order="2.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleOfQuarterlyFinancialDataTable" xlink:to="lxu_ScheduleOfQuarterlyFinancialDataLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedBalanceSheets">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="us-gaap_DueFromRelatedPartiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DueToRelatedPartiesNoncurrent" xlink:label="us-gaap_DueToRelatedPartiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="us-gaap_EquityMethodInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesReceivableRelatedPartiesCurrent" xlink:label="us-gaap_NotesReceivableRelatedPartiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RedeemableNoncumulativeConvertiblePreferredStock" xlink:label="lxu_RedeemableNoncumulativeConvertiblePreferredStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedBalanceSheetsAbstract" xlink:label="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedBalanceSheetsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="us-gaap_ShortTermBorrowings"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_StockholdersEquityIncludingTreasuryStock" xlink:label="lxu_StockholdersEquityIncludingTreasuryStock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SuppliesPrepaidItemsAndOther" xlink:label="lxu_SuppliesPrepaidItemsAndOther"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsCurrentAbstract" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_EquityMethodInvestments" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_OtherAssets" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_Assets" order="1.2600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AccountsReceivableNetCurrent" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="lxu_SuppliesPrepaidItemsAndOther" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_DueFromRelatedPartiesCurrent" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_NotesReceivableRelatedPartiesCurrent" order="1.1300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrent" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_AssetsAbstract" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_DueToRelatedPartiesNoncurrent" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_OtherLiabilitiesNoncurrent" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity" order="1.1900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_AccountsPayableCurrent" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_ShortTermBorrowings" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_OtherLiabilitiesCurrent" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="lxu_RedeemableNoncumulativeConvertiblePreferredStock" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrent" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="dei_LegalEntityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="us-gaap_CondensedFinancialStatementsCaptionsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedBalanceSheetsAbstract" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockValue" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockValue" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_AdditionalPaidInCapital" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="lxu_StockholdersEquityIncludingTreasuryStock" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_TreasuryStockValue" order="1.0700" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquity" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfIncome">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FeesUnderServiceTaxSharingAndManagementAgreementsWithSubsidiaries" xlink:label="lxu_FeesUnderServiceTaxSharingAndManagementAgreementsWithSubsidiaries"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseNet" xlink:label="us-gaap_OtherOperatingIncomeExpenseNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfIncomeAbstract" xlink:label="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfIncomeAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="lxu_FeesUnderServiceTaxSharingAndManagementAgreementsWithSubsidiaries" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_OtherOperatingIncomeExpenseNet" order="1.0400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_OperatingIncomeLoss" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_InterestExpense" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt" order="1.0700" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_OtherNonoperatingIncomeExpense" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperations" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments" order="1.1000" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" order="1.1100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetIncomeLoss" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="dei_LegalEntityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="us-gaap_CondensedFinancialStatementsCaptionsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfIncomeAbstract" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfCashFlows">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NetChangeInDueToFromSubsidiaries" xlink:label="lxu_NetChangeInDueToFromSubsidiaries"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NotesReceivableProceedsFromSubsidiary" xlink:label="lxu_NotesReceivableProceedsFromSubsidiary"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PaymentsAssociatedWithInducedConversionOfConvertibleDebt" xlink:label="lxu_PaymentsAssociatedWithInducedConversionOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock" xlink:label="us-gaap_PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:label="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromShortTermDebt" xlink:label="us-gaap_ProceedsFromShortTermDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfConvertibleDebt" xlink:label="us-gaap_RepaymentsOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfSecuredDebt" xlink:label="us-gaap_RepaymentsOfSecuredDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfShortTermDebt" xlink:label="us-gaap_RepaymentsOfShortTermDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfCashFlowsAbstract" xlink:label="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfCashFlowsAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_2" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromShortTermDebt" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfShortTermDebt" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="lxu_PaymentsAssociatedWithInducedConversionOfConvertibleDebt" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfConvertibleDebt" order="1.0500" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_RepaymentsOfSecuredDebt" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="lxu_NetChangeInDueToFromSubsidiaries" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ProceedsFromStockOptionsExercised" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfRedeemableConvertiblePreferredStock" order="1.1100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lxu_NotesReceivableProceedsFromSubsidiary" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="dei_LegalEntityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="us-gaap_CondensedFinancialStatementsCaptionsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantCondensedStatementsOfCashFlowsAbstract" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantScheduleOfLongtermDebtOutstanding">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsLineItems" xlink:label="us-gaap_GuaranteeObligationsLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherTermLoanCollateralizedByMachineryEquipmentAndRealEstate" xlink:label="lxu_OtherTermLoanCollateralizedByMachineryEquipmentAndRealEstate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:label="us-gaap_ScheduleOfGuaranteeObligationsTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantScheduleOfLongtermDebtOutstandingAbstract" xlink:label="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantScheduleOfLongtermDebtOutstandingAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SecuredTermLoan" xlink:label="lxu_SecuredTermLoan"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SubsidiariesLongTermDebtOutstanding" xlink:label="lxu_SubsidiariesLongTermDebtOutstanding"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_GuaranteeObligationsLineItems" xlink:to="lxu_SecuredTermLoan" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_GuaranteeObligationsLineItems" xlink:to="lxu_OtherTermLoanCollateralizedByMachineryEquipmentAndRealEstate" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_GuaranteeObligationsLineItems" xlink:to="lxu_SubsidiariesLongTermDebtOutstanding" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:to="dei_LegalEntityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:to="us-gaap_GuaranteeObligationsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantScheduleOfLongtermDebtOutstandingAbstract" xlink:to="us-gaap_ScheduleOfGuaranteeObligationsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantAdditionalInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentOfOtherIncomeNonoperatingTable" xlink:label="us-gaap_ComponentOfOtherIncomeNonoperatingTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:label="lxu_CondensedFinancialInformationOfRegistrantLineItems"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_DividendsReceivedFromSubsidiary" xlink:label="lxu_DividendsReceivedFromSubsidiary"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_GuaranteeForSubsidiariesCreditTerms" xlink:label="lxu_GuaranteeForSubsidiariesCreditTerms"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_GuaranteeForSubsidiariesInsuranceBonds" xlink:label="lxu_GuaranteeForSubsidiariesInsuranceBonds"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InterestEarnedFromSubsidiaries" xlink:label="lxu_InterestEarnedFromSubsidiaries"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InterestExpenseIncurredFromSubsidiaries" xlink:label="lxu_InterestExpenseIncurredFromSubsidiaries"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantAdditionalInformationAbstract" xlink:label="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SharesOwnedBySubsidiary" xlink:label="lxu_SharesOwnedBySubsidiary"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentOfOtherIncomeNonoperatingTable" xlink:to="dei_LegalEntityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ComponentOfOtherIncomeNonoperatingTable" xlink:to="lxu_CondensedFinancialInformationOfRegistrantLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="lxu_GuaranteeForSubsidiariesCreditTerms" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="lxu_GuaranteeForSubsidiariesInsuranceBonds" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="lxu_SharesOwnedBySubsidiary" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="lxu_InterestExpenseIncurredFromSubsidiaries" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="lxu_InterestEarnedFromSubsidiaries" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="lxu_DividendsReceivedFromSubsidiary" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantAdditionalInformationAbstract" xlink:to="us-gaap_ComponentOfOtherIncomeNonoperatingTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleICondensedFinancialInformationOfRegistrantSummaryOfTransactionsRelatedToDebentures">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:label="lxu_CondensedFinancialInformationOfRegistrantLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfConvertibleDebt" xlink:label="us-gaap_RepaymentsOfConvertibleDebt"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantSummaryOfTransactionsRelatedToDebenturesAbstract" xlink:label="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantSummaryOfTransactionsRelatedToDebenturesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="us-gaap_RepaymentsOfConvertibleDebt" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_CondensedFinancialInformationOfRegistrantLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="dei_LegalEntityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="lxu_CondensedFinancialInformationOfRegistrantLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleScheduleICondensedFinancialInformationOfRegistrantSummaryOfTransactionsRelatedToDebenturesAbstract" xlink:to="us-gaap_DebtInstrumentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/ScheduleScheduleIiValuationAndQualifyingAccounts">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="us-gaap_AllowanceForDoubtfulAccountsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllowanceForNotesReceivableMember" xlink:label="us-gaap_AllowanceForNotesReceivableMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryValuationReserveMember" xlink:label="us-gaap_InventoryValuationReserveMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleScheduleIiValuationAndQualifyingAccountsAbstract" xlink:label="lxu_ScheduleScheduleIiValuationAndQualifyingAccountsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="lxu_ScheduleScheduleIiValuationAndQualifyingAccountsAbstract" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_AllowanceForDoubtfulAccountsMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_InventoryValuationReserveMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_AllowanceForNotesReceivableMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:to="us-gaap_ValuationAllowancesAndReservesDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesBalance" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesDeductions" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAllowancesAndReservesBalance_2" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="us-gaap_ValuationAllowancesAndReservesTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlockPolicies">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AccruedInsuranceLiabilitiesPolicyTextBlock" xlink:label="lxu_AccruedInsuranceLiabilitiesPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdvertisingCostsPolicyTextBlock" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetRetirementObligationsPolicy" xlink:label="us-gaap_AssetRetirementObligationsPolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationsPolicy" xlink:label="us-gaap_BusinessCombinationsPolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfSalesPolicyTextBlock" xlink:label="us-gaap_CostOfSalesPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtPolicyTextBlock" xlink:label="us-gaap_DebtPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="us-gaap_DerivativesPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsPolicyTextBlock" xlink:label="lxu_ExecutiveBenefitAgreementsPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_InsuranceRecoveriesRevenueRecognitionPolicyTextBlock" xlink:label="lxu_InsuranceRecoveriesRevenueRecognitionPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="us-gaap_InvestmentPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_PreciousMetalsCatalystPolicyTextBlock" xlink:label="lxu_PreciousMetalsCatalystPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_RecentlyIssuedAccountingPronouncementsPolicyTextBlock" xlink:label="lxu_RecentlyIssuedAccountingPronouncementsPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShippingAndHandlingCostPolicyTextBlock" xlink:label="us-gaap_ShippingAndHandlingCostPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StandardProductWarrantyPolicy" xlink:label="us-gaap_StandardProductWarrantyPolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradeAndOtherAccountsReceivablePolicy" xlink:label="us-gaap_TradeAndOtherAccountsReceivablePolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ConsolidationPolicyTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_UseOfEstimates" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_BusinessCombinationsPolicy" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_InvestmentPolicyTextBlock" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_TradeAndOtherAccountsReceivablePolicy" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_InventoryPolicyTextBlock" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_PreciousMetalsCatalystPolicyTextBlock" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DebtPolicyTextBlock" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_AccruedInsuranceLiabilitiesPolicyTextBlock" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StandardProductWarrantyPolicy" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ExecutiveBenefitAgreementsPolicyTextBlock" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxPolicyTextBlock" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommitmentsAndContingenciesPolicyTextBlock" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AssetRetirementObligationsPolicy" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_InsuranceRecoveriesRevenueRecognitionPolicyTextBlock" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CostOfSalesPolicyTextBlock" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ShippingAndHandlingCostPolicyTextBlock" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AdvertisingCostsPolicyTextBlock" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DerivativesPolicyTextBlock" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_RecentlyIssuedAccountingPronouncementsPolicyTextBlock" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlockTables">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_AdvertisingAndPromotionOfProductsTableTextBlock" xlink:label="lxu_AdvertisingAndPromotionOfProductsTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock" xlink:label="us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfGoodwillTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfOtherOperatingCostAndExpenseByComponentTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_AdvertisingAndPromotionOfProductsTableTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_BusinessCombinationDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPurchasePriceAllocationTableTextBlock" xlink:label="us-gaap_ScheduleOfPurchasePriceAllocationTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfPurchasePriceAllocationTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_BusinessAcquisitionProFormaInformationTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock" xlink:label="us-gaap_ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="us-gaap_InventoryDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_InventoryDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ChangesInInventoryReservesTableTextBlock" xlink:label="lxu_ChangesInInventoryReservesTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ChangesInInventoryReservesTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesDisclosureTextBlock" xlink:label="us-gaap_OtherLiabilitiesDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherLiabilitiesDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfOtherAssetsAndOtherLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfOtherAssetsAndOtherLiabilitiesTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfOtherAssetsAndOtherLiabilitiesTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsProductWarrantyDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProductWarrantyDisclosureTextBlock" xlink:label="us-gaap_ProductWarrantyDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ProductWarrantyDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsProductWarrantyDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" xlink:label="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsAssetRetirementObligationDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureTextBlock" xlink:label="us-gaap_AssetRetirementObligationDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AssetRetirementObligationDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLongTermDebtTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="us-gaap_LongTermDebtTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LongTermDebtTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsLongTermDebtTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfStatedInterestRateOnSecuredTermLoanTableTextBlock" xlink:label="lxu_ScheduleOfStatedInterestRateOnSecuredTermLoanTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_SummaryOfAcquisitionTransactionsRelatingToLongTermDebtTableTextBlock" xlink:label="lxu_SummaryOfAcquisitionTransactionsRelatingToLongTermDebtTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfDebtInstrumentsTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ScheduleOfStatedInterestRateOnSecuredTermLoanTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_SummaryOfAcquisitionTransactionsRelatingToLongTermDebtTableTextBlock" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_CapitalLeasesAndOperatingLeaseFutureMinimumPaymentsDueTableTextBlock" xlink:label="lxu_CapitalLeasesAndOperatingLeaseFutureMinimumPaymentsDueTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_CapitalLeasesAndOperatingLeaseFutureMinimumPaymentsDueTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsDerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:label="lxu_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsShareholdersEquityAndShareBasedPaymentsTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" xlink:label="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsShareholdersEquityAndShareBasedPaymentsTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NonQualifiedStockOptionMember" xlink:label="lxu_NonQualifiedStockOptionMember"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_QualifiedStockOptionPlansMember" xlink:label="lxu_QualifiedStockOptionPlansMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_QualifiedStockOptionPlansMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lxu_NonQualifiedStockOptionMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_AwardTypeAxis" order="2.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsNonRedeemablePreferredStockTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_NonRedeemablePreferredStockTextBlock" xlink:label="lxu_NonRedeemablePreferredStockTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_NonRedeemablePreferredStockTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlock" xlink:label="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsExecutiveBenefitAgreementsAndEmployeeSavingsPlansDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfExecutiveBenefitAgreementsTableTextBlock" xlink:label="lxu_ScheduleOfExecutiveBenefitAgreementsTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfExecutiveBenefitExpensesTableTextBlock" xlink:label="lxu_ScheduleOfExecutiveBenefitExpensesTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfLifeInsurancePoliciesOwnedTableTextBlock" xlink:label="lxu_ScheduleOfLifeInsurancePoliciesOwnedTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfLifeInsurancePremiumsCostTableTextBlock" xlink:label="lxu_ScheduleOfLifeInsurancePremiumsCostTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ScheduleOfExecutiveBenefitAgreementsTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ScheduleOfExecutiveBenefitExpensesTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ScheduleOfLifeInsurancePoliciesOwnedTableTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ScheduleOfLifeInsurancePremiumsCostTableTextBlock" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsBusinessInterruptionAndPropertyInsuranceClaimsTextBlock">
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_BusinessInterruptionAndPropertyInsuranceClaimsTextBlock" xlink:label="lxu_BusinessInterruptionAndPropertyInsuranceClaimsTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_BusinessInterruptionAndPropertyInsuranceClaimsTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xlink:label="us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsOtherIncomeAndOtherExpenseDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_OtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetTableTextBlock" xlink:label="lxu_OtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_OtherExpenseOtherIncomeAndNonOperatingOtherIncomeNetTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_GeneralCorporateExpensesAndOtherBusinessOperationsTableTextBlock" xlink:label="lxu_GeneralCorporateExpensesAndOtherBusinessOperationsTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="lxu-20121231.xsd#lxu_ScheduleOfPropertyPlantAndEquipmentAndAssetsByBusinessSegmentTableTextBlock" xlink:label="lxu_ScheduleOfPropertyPlantAndEquipmentAndAssetsByBusinessSegmentTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock" xlink:label="us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_GeneralCorporateExpensesAndOtherBusinessOperationsTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="lxu_ScheduleOfPropertyPlantAndEquipmentAndAssetsByBusinessSegmentTableTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SubsequentEventsTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsCondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" xlink:label="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.lsb-okc.com/taxonomy/role/NotesToFinancialStatementsScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
</linkbase>
