<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:e86ef3ad-6f5f-47ef-94a4-ebd90b4c87f1,g:638b495c-c865-4175-9d0b-ccf0a1acab12-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:alco="http://www.alicoinc.com/20250630" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.alicoinc.com/20250630">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="alco-20250630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="alco-20250630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="alco-20250630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="alco-20250630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.alicoinc.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETS" roleURI="http://www.alicoinc.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS">
        <link:definition>9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.alicoinc.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSUNAUDITED" roleURI="http://www.alicoinc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSUNAUDITED">
        <link:definition>9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUNAUDITED" roleURI="http://www.alicoinc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUNAUDITED">
        <link:definition>9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUNAUDITEDParenthetical" roleURI="http://www.alicoinc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUNAUDITEDParenthetical">
        <link:definition>9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED" roleURI="http://www.alicoinc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED">
        <link:definition>9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessandBasisofPresentation" roleURI="http://www.alicoinc.com/role/DescriptionofBusinessandBasisofPresentation">
        <link:definition>9952157 - Disclosure - Description of Business and Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPolicies" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>9952158 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventories" roleURI="http://www.alicoinc.com/role/Inventories">
        <link:definition>9952159 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsHeldforSale" roleURI="http://www.alicoinc.com/role/AssetsHeldforSale">
        <link:definition>9952160 - Disclosure - Assets Held for Sale</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNet" roleURI="http://www.alicoinc.com/role/PropertyandEquipmentNet">
        <link:definition>9952161 - Disclosure - Property and Equipment, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilities" roleURI="http://www.alicoinc.com/role/AccruedLiabilities">
        <link:definition>9952162 - Disclosure - Accrued Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructureandOtherCharges" roleURI="http://www.alicoinc.com/role/RestructureandOtherCharges">
        <link:definition>9952163 - Disclosure - Restructure and Other Charges</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtandLinesofCredit" roleURI="http://www.alicoinc.com/role/LongTermDebtandLinesofCredit">
        <link:definition>9952164 - Disclosure - Long-Term Debt and Lines of Credit</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.alicoinc.com/role/IncomeTaxes">
        <link:definition>9952165 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformation" roleURI="http://www.alicoinc.com/role/SegmentInformation">
        <link:definition>9952166 - Disclosure - Segment Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.alicoinc.com/role/Leases">
        <link:definition>9952167 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensation" roleURI="http://www.alicoinc.com/role/StockbasedCompensation">
        <link:definition>9952168 - Disclosure - Stock-based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://www.alicoinc.com/role/CommitmentsandContingencies">
        <link:definition>9952169 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactions" roleURI="http://www.alicoinc.com/role/RelatedPartyTransactions">
        <link:definition>9952170 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.alicoinc.com/role/SubsequentEvents">
        <link:definition>9952171 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessandBasisofPresentationPolicies" roleURI="http://www.alicoinc.com/role/DescriptionofBusinessandBasisofPresentationPolicies">
        <link:definition>9955511 - Disclosure - Description of Business and Basis of Presentation (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesTables" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesTables">
        <link:definition>9955512 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesTables" roleURI="http://www.alicoinc.com/role/InventoriesTables">
        <link:definition>9955513 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsHeldforSaleTables" roleURI="http://www.alicoinc.com/role/AssetsHeldforSaleTables">
        <link:definition>9955514 - Disclosure - Assets Held for Sale (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNetTables" roleURI="http://www.alicoinc.com/role/PropertyandEquipmentNetTables">
        <link:definition>9955515 - Disclosure - Property and Equipment, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilitiesTables" roleURI="http://www.alicoinc.com/role/AccruedLiabilitiesTables">
        <link:definition>9955516 - Disclosure - Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructureandOtherChargesTables" roleURI="http://www.alicoinc.com/role/RestructureandOtherChargesTables">
        <link:definition>9955517 - Disclosure - Restructure and Other Charges (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtandLinesofCreditTables" roleURI="http://www.alicoinc.com/role/LongTermDebtandLinesofCreditTables">
        <link:definition>9955518 - Disclosure - Long-Term Debt and Lines of Credit (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationTables" roleURI="http://www.alicoinc.com/role/SegmentInformationTables">
        <link:definition>9955519 - Disclosure - Segment Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.alicoinc.com/role/LeasesTables">
        <link:definition>9955520 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensationTables" roleURI="http://www.alicoinc.com/role/StockbasedCompensationTables">
        <link:definition>9955521 - Disclosure - Stock-based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DescriptionofBusinessandBasisofPresentationNarrativeDetails" roleURI="http://www.alicoinc.com/role/DescriptionofBusinessandBasisofPresentationNarrativeDetails">
        <link:definition>9955522 - Disclosure - Description of Business and Basis of Presentation - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofDisaggregationofRevenueDetails" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesScheduleofDisaggregationofRevenueDetails">
        <link:definition>9955523 - Disclosure - Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesNarrativeDetails" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails">
        <link:definition>9955524 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofRevenuesDisaggregatedbySignificantProductsandServicesDetails" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesScheduleofRevenuesDisaggregatedbySignificantProductsandServicesDetails">
        <link:definition>9955525 - Disclosure - Summary of Significant Accounting Policies - Schedule of Revenues Disaggregated by Significant Products and Services (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofRestrictedCashDetails" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesScheduleofRestrictedCashDetails">
        <link:definition>9955526 - Disclosure - Summary of Significant Accounting Policies - Schedule of Restricted Cash (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofShortTermDebtDetails" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesScheduleofShortTermDebtDetails">
        <link:definition>9955527 - Disclosure - Summary of Significant Accounting Policies - Schedule of Short-Term Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofWeightedAverageNumberofSharesDetails" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesScheduleofWeightedAverageNumberofSharesDetails">
        <link:definition>9955528 - Disclosure - Summary of Significant Accounting Policies - Schedule of Weighted Average Number of Shares (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryofSignificantAccountingPoliciesScheduleofRevenuebyMajorCustomersbyReportingSegmentsDetails" roleURI="http://www.alicoinc.com/role/SummaryofSignificantAccountingPoliciesScheduleofRevenuebyMajorCustomersbyReportingSegmentsDetails">
        <link:definition>9955529 - Disclosure - Summary of Significant Accounting Policies - Schedule of Revenue by Major Customers by Reporting Segments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesScheduleofInventoriesDetails" roleURI="http://www.alicoinc.com/role/InventoriesScheduleofInventoriesDetails">
        <link:definition>9955530 - Disclosure - Inventories - Schedule of Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesNarrativeDetails" roleURI="http://www.alicoinc.com/role/InventoriesNarrativeDetails">
        <link:definition>9955531 - Disclosure - Inventories - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsHeldforSaleScheduleofAssetsHeldforSaleDetails" roleURI="http://www.alicoinc.com/role/AssetsHeldforSaleScheduleofAssetsHeldforSaleDetails">
        <link:definition>9955532 - Disclosure - Assets Held for Sale - Schedule of Assets Held for Sale (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AssetsHeldforSaleNarrativeDetails" roleURI="http://www.alicoinc.com/role/AssetsHeldforSaleNarrativeDetails">
        <link:definition>9955533 - Disclosure - Assets Held for Sale - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails" roleURI="http://www.alicoinc.com/role/PropertyandEquipmentNetScheduleofPropertyandEquipmentNetDetails">
        <link:definition>9955534 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyandEquipmentNetNarrativeDetails" roleURI="http://www.alicoinc.com/role/PropertyandEquipmentNetNarrativeDetails">
        <link:definition>9955535 - Disclosure - Property and Equipment, Net - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLiabilitiesScheduleofAccruedLiabilitiesDetails" roleURI="http://www.alicoinc.com/role/AccruedLiabilitiesScheduleofAccruedLiabilitiesDetails">
        <link:definition>9955536 - Disclosure - Accrued Liabilities - Schedule of Accrued Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructureandOtherChargesScheduleofRestructuringandRelatedCostsDetails" roleURI="http://www.alicoinc.com/role/RestructureandOtherChargesScheduleofRestructuringandRelatedCostsDetails">
        <link:definition>9955537 - Disclosure - Restructure and Other Charges - Schedule of Restructuring and Related Costs (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructureandOtherChargesNarrativeDetails" roleURI="http://www.alicoinc.com/role/RestructureandOtherChargesNarrativeDetails">
        <link:definition>9955538 - Disclosure - Restructure and Other Charges - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtandLinesofCreditScheduleofLongtermDebtandRelatedDeferredFinancingCostsNetofAccumulatedAmortizationDetails" roleURI="http://www.alicoinc.com/role/LongTermDebtandLinesofCreditScheduleofLongtermDebtandRelatedDeferredFinancingCostsNetofAccumulatedAmortizationDetails">
        <link:definition>9955539 - Disclosure - Long-Term Debt and Lines of Credit - Schedule of Long-term Debt and Related Deferred Financing Costs, Net of Accumulated Amortization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtandLinesofCreditScheduleofLongtermDebtandRelatedDeferredFinancingCostsNetofAccumulatedAmortizationDetails_1" roleURI="http://www.alicoinc.com/role/LongTermDebtandLinesofCreditScheduleofLongtermDebtandRelatedDeferredFinancingCostsNetofAccumulatedAmortizationDetails_1">
        <link:definition>9955539 - Disclosure - Long-Term Debt and Lines of Credit - Schedule of Long-term Debt and Related Deferred Financing Costs, Net of Accumulated Amortization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtandLinesofCreditScheduleofLineofCreditandRelatedDeferredFinancingCostsNetofAccumulatedAmortizationDetails" roleURI="http://www.alicoinc.com/role/LongTermDebtandLinesofCreditScheduleofLineofCreditandRelatedDeferredFinancingCostsNetofAccumulatedAmortizationDetails">
        <link:definition>9955540 - Disclosure - Long-Term Debt and Lines of Credit - Schedule of Line of Credit and Related Deferred Financing Costs, Net of Accumulated Amortization (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtandLinesofCreditScheduleofInterestCostsExpensedandCapitalizedDetails" roleURI="http://www.alicoinc.com/role/LongTermDebtandLinesofCreditScheduleofInterestCostsExpensedandCapitalizedDetails">
        <link:definition>9955541 - Disclosure - Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermDebtandLinesofCreditNarrativeDetails" roleURI="http://www.alicoinc.com/role/LongTermDebtandLinesofCreditNarrativeDetails">
        <link:definition>9955542 - Disclosure - Long-Term Debt and Lines of Credit - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesNarrativeDetails" roleURI="http://www.alicoinc.com/role/IncomeTaxesNarrativeDetails">
        <link:definition>9955543 - Disclosure - Income Taxes - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofInformationbyOperatingSegmentDetails" roleURI="http://www.alicoinc.com/role/SegmentInformationScheduleofInformationbyOperatingSegmentDetails">
        <link:definition>9955544 - Disclosure - Segment Information - Schedule of Information by Operating Segment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentInformationScheduleofReconciliationsofSegmentGrossProfitLosstoConsolidatedIncomeLossBeforeIncomeTaxesDetails" roleURI="http://www.alicoinc.com/role/SegmentInformationScheduleofReconciliationsofSegmentGrossProfitLosstoConsolidatedIncomeLossBeforeIncomeTaxesDetails">
        <link:definition>9955545 - Disclosure - Segment Information - Schedule of Reconciliations of Segment Gross Profit (Loss) to Consolidated Income (Loss) Before Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesScheduleofComponentsofLeaseCostDetails" roleURI="http://www.alicoinc.com/role/LeasesScheduleofComponentsofLeaseCostDetails">
        <link:definition>9955546 - Disclosure - Leases - Schedule of Components of Lease Cost (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesLeaseTermsDetails" roleURI="http://www.alicoinc.com/role/LeasesLeaseTermsDetails">
        <link:definition>9955547 - Disclosure - Leases - Lease Terms (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensationNarrativeDetails" roleURI="http://www.alicoinc.com/role/StockbasedCompensationNarrativeDetails">
        <link:definition>9955548 - Disclosure - Stock-based Compensation - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensationScheduleofNonvestedSharesDetails" roleURI="http://www.alicoinc.com/role/StockbasedCompensationScheduleofNonvestedSharesDetails">
        <link:definition>9955549 - Disclosure - Stock-based Compensation - Schedule of Nonvested Shares (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensationScheduleofVestedandOutstandingDetails" roleURI="http://www.alicoinc.com/role/StockbasedCompensationScheduleofVestedandOutstandingDetails">
        <link:definition>9955550 - Disclosure - Stock-based Compensation - Schedule of Vested and Outstanding (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensationScheduleofMRSUSharesDetails" roleURI="http://www.alicoinc.com/role/StockbasedCompensationScheduleofMRSUSharesDetails">
        <link:definition>9955551 - Disclosure - Stock-based Compensation - Schedule of MRSU Shares (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensationFairValueCalculationofMRSUDetails" roleURI="http://www.alicoinc.com/role/StockbasedCompensationFairValueCalculationofMRSUDetails">
        <link:definition>9955552 - Disclosure - Stock-based Compensation - Fair Value Calculation of MRSU (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockbasedCompensationScheduleofMRSUSharesandWeightedAverageFairValueDetails" roleURI="http://www.alicoinc.com/role/StockbasedCompensationScheduleofMRSUSharesandWeightedAverageFairValueDetails">
        <link:definition>9955553 - Disclosure - Stock-based Compensation - Schedule of MRSU Shares and Weighted Average Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsNarrativeDetails" roleURI="http://www.alicoinc.com/role/RelatedPartyTransactionsNarrativeDetails">
        <link:definition>9955554 - Disclosure - Related Party Transactions - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="alco_AlicoCitrusMember" abstract="true" name="AlicoCitrusMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_LandManagementAndOtherOperationsMember" abstract="true" name="LandManagementAndOtherOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_OperatingExpensesIncome" abstract="false" name="OperatingExpensesIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_NotFoundDuringMigrationDeprecatedConceptEarningsPerShareBasicAndDilutedAbstract" abstract="true" name="NotFoundDuringMigrationDeprecatedConceptEarningsPerShareBasicAndDilutedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alco_ImpairmentOfLongLivedAssetsToBeDisposedOfLoss" abstract="false" name="ImpairmentOfLongLivedAssetsToBeDisposedOfLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_InventoryNetRealizableValueAdjustment" abstract="false" name="InventoryNetRealizableValueAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_IncreaseDecreaseInPrepaidGuaranteedPayments" abstract="false" name="IncreaseDecreaseInPrepaidGuaranteedPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_ProceedsFromPaymentsToAcquireNotesReceivable" abstract="false" name="ProceedsFromPaymentsToAcquireNotesReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_PaymentsForProceedsFromDepositsOnPurchaseOfProductiveAssets" abstract="false" name="PaymentsForProceedsFromDepositsOnPurchaseOfProductiveAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_AssetsReceivedInExchangeForServices" abstract="false" name="AssetsReceivedInExchangeForServices" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_TreesDeliveredInExchangeForPriorServices" abstract="false" name="TreesDeliveredInExchangeForPriorServices" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_SeasonalityPolicyTextBlock" abstract="false" name="SeasonalityPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="alco_ScheduleOfInterestExpenseTableTextBlock" abstract="false" name="ScheduleOfInterestExpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="alco_AreaOfMineralRights" abstract="false" name="AreaOfMineralRights" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="alco_PropertyPlantandEquipmentNumberofClassifications" abstract="false" name="PropertyPlantandEquipmentNumberofClassifications" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alco_CitrusOperationsMember" abstract="true" name="CitrusOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_GroveManagementServicesMember" abstract="true" name="GroveManagementServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_MarketBasedRestrictedStockUnitsMember" abstract="true" name="MarketBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_CitreeHoldingsILLCMember" abstract="true" name="CitreeHoldingsILLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_FederallyInsuredLimit" abstract="false" name="FederallyInsuredLimit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_ProceedsFromGrowersSupportPayments" abstract="false" name="ProceedsFromGrowersSupportPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_ProceedsFromGrowersSupportPaymentsCurrent" abstract="false" name="ProceedsFromGrowersSupportPaymentsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_GrowersSupportPaymentsPercentageOfCostCoverage" abstract="false" name="GrowersSupportPaymentsPercentageOfCostCoverage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alco_EarlyAndMidSeasonMember" abstract="true" name="EarlyAndMidSeasonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_ValenciasMember" abstract="true" name="ValenciasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_FreshFruitMember" abstract="true" name="FreshFruitMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_LandAndOtherLeasingMember" abstract="true" name="LandAndOtherLeasingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_TropicanaMember" abstract="true" name="TropicanaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_ProceedsFromInsuranceSettlementPropertyAndCasualtyDamage" abstract="false" name="ProceedsFromInsuranceSettlementPropertyAndCasualtyDamage" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_RanchMember" abstract="true" name="RanchMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_VariableRateTermLoanMember" abstract="true" name="VariableRateTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_AreaOfLandSold" abstract="false" name="AreaOfLandSold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alco_LandSoldPricePerAcre" abstract="false" name="LandSoldPricePerAcre" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_AdditionalAreaOfLand" abstract="false" name="AdditionalAreaOfLand" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alco_CitrusTreesMember" abstract="true" name="CitrusTreesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_DepreciablePropertyPlantAndEquipmentMember" abstract="true" name="DepreciablePropertyPlantAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_ImpactOfAcceleratedDepreciationOnNetIncomeAmount" abstract="false" name="ImpactOfAcceleratedDepreciationOnNetIncomeAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_ImpactOfAcceleratedDepreciationEarningsPerShareBasic" abstract="false" name="ImpactOfAcceleratedDepreciationEarningsPerShareBasic" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="alco_ImpactOfAcceleratedDepreciationEarningsPerShareDiluted" abstract="false" name="ImpactOfAcceleratedDepreciationEarningsPerShareDiluted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="alco_FixedRateTermLoanMember" abstract="true" name="FixedRateTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_PruLoansABMember" abstract="true" name="PruLoansABMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_CitreeTermLoanMember" abstract="true" name="CitreeTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_TermLoansandPRULoansMember" abstract="true" name="TermLoansandPRULoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_LongTermLineOfCreditNetOfDeferredFinancingFees" abstract="false" name="LongTermLineOfCreditNetOfDeferredFinancingFees" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_WorkingCapitalLineOfCreditMember" abstract="true" name="WorkingCapitalLineOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_MetropolitanLifeInsuranceCompanyAndNewEnglandLifeInsuranceCompanyRevolvingLineOfCreditMember" abstract="true" name="MetropolitanLifeInsuranceCompanyAndNewEnglandLifeInsuranceCompanyRevolvingLineOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_MetlifeTermLoanMember" abstract="true" name="MetlifeTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_CitrusGrovesMember" abstract="true" name="CitrusGrovesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_SilverNipCitrusMember" abstract="true" name="SilverNipCitrusMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_DebtInstrumentCovenantMinimumLiquidityAmount" abstract="false" name="DebtInstrumentCovenantMinimumLiquidityAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_DebtInstrumentCollateralPropertyAcreage" abstract="false" name="DebtInstrumentCollateralPropertyAcreage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="alco_LineOfCreditFacilityMinimumBalance" abstract="false" name="LineOfCreditFacilityMinimumBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_DebtInstrumentLondonInterbankOfferedRateLIBORSpreadSubjectToAdjustmentPeriod" abstract="false" name="DebtInstrumentLondonInterbankOfferedRateLIBORSpreadSubjectToAdjustmentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alco_DebtInstrumentCovenantMinimumDebtCoverageRatio" abstract="false" name="DebtInstrumentCovenantMinimumDebtCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="alco_DebtInstrumentCovenantMinimumTangibleNetWorth" abstract="false" name="DebtInstrumentCovenantMinimumTangibleNetWorth" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_DebtInstrumentCovenantPercentageAnnualIncrease" abstract="false" name="DebtInstrumentCovenantPercentageAnnualIncrease" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alco_DebtInstrumentCovenantMinimumTangibleNetworthAnnualIncrease" abstract="false" name="DebtInstrumentCovenantMinimumTangibleNetworthAnnualIncrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alco_LineofCreditFacilityCovenantTermsMinimumCurrentRatio" abstract="false" name="LineofCreditFacilityCovenantTermsMinimumCurrentRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="alco_DebtInstrumentCovenantLoanToValueCapRatio" abstract="false" name="DebtInstrumentCovenantLoanToValueCapRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alco_DebtInstrumentCollateralAreaOfProperty" abstract="false" name="DebtInstrumentCollateralAreaOfProperty" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="alco_DebtInstrumentNumberofInstruments" abstract="false" name="DebtInstrumentNumberofInstruments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alco_LineofCreditFacilityCovenantTermsCurrentRatio" abstract="false" name="LineofCreditFacilityCovenantTermsCurrentRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="alco_TwoThousandAndFifteenPlanMember" abstract="true" name="TwoThousandAndFifteenPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_BoardOfDirectorsFeesMember" abstract="true" name="BoardOfDirectorsFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndOutstandingWeightedAverageRemainingContractualTerm" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndOutstandingWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alco_MRSUThreshold1Member" abstract="true" name="MRSUThreshold1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_MRSUThreshold2Member" abstract="true" name="MRSUThreshold2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_MRSUThreshold3Member" abstract="true" name="MRSUThreshold3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alco_AdditionalCashCapitalContributionRequired" abstract="false" name="AdditionalCashCapitalContributionRequired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
