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  <xs:element name="QuantityOfEthanolUnderSalesCommitment" type="dtr:volumeItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="rex_QuantityOfEthanolUnderSalesCommitment"/>
  <xs:element name="QuantityOfDistillersGrainsUnderSalesCommitment" type="dtr:massItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="rex_QuantityOfDistillersGrainsUnderSalesCommitment"/>
  <xs:element name="QuantityOfNonFoodGradeCornOilUnderSalesCommitments" type="dtr:massItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="rex_QuantityOfNonFoodGradeCornOilUnderSalesCommitments"/>
  <xs:element name="CapitalProjectsRemainingFuturePayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="rex_CapitalProjectsRemainingFuturePayments"/>
  <xs:element name="CapitalProjectsRemainingFuturePaymentsSubset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="rex_CapitalProjectsRemainingFuturePaymentsSubset"/>
  <xs:element name="PlannedProjectExpansion" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="rex_PlannedProjectExpansion"/>
  <xs:element name="RemainingFuturePayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="rex_RemainingFuturePayments"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="rex_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="RelatedPartyTransactionsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_RelatedPartyTransactionsDetailsLineItems"/>
  <xs:element name="BigRiverMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_BigRiverMember"/>
  <xs:element name="CashCollateralBalanceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_CashCollateralBalanceMember"/>
  <xs:element name="CornMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_CornMember"/>
  <xs:element name="DistillersCornOilMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_DistillersCornOilMember"/>
  <xs:element name="DriedDistillersGrainsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_DriedDistillersGrainsMember"/>
  <xs:element name="EffectOfRetrospectiveChangeToClassificationOfShippingCostsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_EffectOfRetrospectiveChangeToClassificationOfShippingCostsMember"/>
  <xs:element name="EthanolMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_EthanolMember"/>
  <xs:element name="FixturesAndEquipmentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_FixturesAndEquipmentMember"/>
  <xs:element name="ModifiedDistillersGrainsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_ModifiedDistillersGrainsMember"/>
  <xs:element name="OneEarthEnergyAndNuGenEnergyMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_OneEarthEnergyAndNuGenEnergyMember"/>
  <xs:element name="OtherMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_OtherMember"/>
  <xs:element name="ProvisionForIncomeTaxesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_ProvisionForIncomeTaxesMember"/>
  <xs:element name="RefundableIncomeTaxesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_RefundableIncomeTaxesMember"/>
  <xs:element name="StockOptionPlans2015Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_StockOptionPlans2015Member"/>
  <xs:element name="TreasuryStocksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_TreasuryStocksMember"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="rex_DocumentAndEntityInformationAbstract"/>
</xs:schema>
