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  <titleInfo>
    <title>Análisis económico marginal del riego por bombeo respecto del riego por gravedad en forrajes. Comarca Lagunera 1978-2000</title>
  </titleInfo>
  <name type="personal">
    <namePart>Rivas Sifuentes, Manuel Gerardo</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">mx</placeTerm>
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    <place>
      <placeTerm type="text">Chapingo, Méx</placeTerm>
    </place>
    <publisher>El autor</publisher>
    <dateIssued>2002</dateIssued>
    <dateIssued encoding="marc" point="start">2001</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
  </language>
  <physicalDescription>
    <extent>87 h. ; cuadros ; gráfs.</extent>
  </physicalDescription>
  <note type="statement of responsibility">/por Manuel Gerardo Rivas Sifuentes</note>
  <note>Tesis (Ing. Agr. en Sistemas Pecuarios de Zonas Aridas) -- UACH. Unidad Regional Universitaria de Zonas Aridas</note>
  <subject>
    <topic>Bombeo</topic>
  </subject>
  <subject>
    <topic>Forrajes</topic>
    <topic>Comarca Lagunera</topic>
  </subject>
  <subject>
    <topic>Irrigación</topic>
    <topic>Comarca Lagunera</topic>
  </subject>
  <subject>
    <topic>Riego de superficie</topic>
  </subject>
  <identifier type="lccn">85980</identifier>
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    <recordCreationDate encoding="marc">010920</recordCreationDate>
    <recordChangeDate encoding="iso8601">20220329142634.0</recordChangeDate>
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