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  <titleInfo>
    <title>Estudio agro-económico del maíz</title>
    <subTitle>(Este estudio fué presentad [!] en la primera Convención nacional de cultivadores de maíz frijol, celebrada del 15 al 20 de abril del año PPDO., en esta capital)</subTitle>
  </titleInfo>
  <name type="corporate">
    <namePart>Mexico</namePart>
    <namePart>Instituto de economía rural.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="conference">
    <namePart>Convención nacional de cultivadores de maíz y frijol. Mexico, 1940.</namePart>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marc">conference publication</genre>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">mx</placeTerm>
    </place>
    <place>
      <placeTerm type="text">México</placeTerm>
    </place>
    <publisher>Oficina de información y propaganda</publisher>
    <dateIssued>1940</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>3 v. in 1. plates, 31 tab. (part fold.) diagrs. 28 cm.</extent>
  </physicalDescription>
  <note>At head of title: Secretaría de agricultura y fomento. Dirección de economía rural. Instituto de economía rural.</note>
  <note>Paged continuously.</note>
  <note>Processed.</note>
  <subject authority="lcsh">
    <topic>Corn</topic>
    <geographic>Mexico</geographic>
  </subject>
  <subject authority="lcsh">
    <topic>Corn</topic>
    <geographic>Mexico</geographic>
  </subject>
  <classification authority="lcc">HD9049.C7 M4</classification>
  <classification authority="ddc">338.17315</classification>
  <identifier type="lccn">agr41000321</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg">U.S. Dept. of agr. Library</recordContentSource>
    <recordCreationDate encoding="marc">850826</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260227110959.0</recordChangeDate>
    <recordIdentifier source="DLC">agr41000321 </recordIdentifier>
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