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  <titleInfo>
    <nonSort>(The</nonSort>
    <title> selection of perennial mixtures of papilionaceous and grass crops in field rotation)</title>
  </titleInfo>
  <name type="personal">
    <namePart>Birecki, M.</namePart>
    <role>
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  <originInfo>
    <issuance>monographic</issuance>
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  <note>Sobretiro de : Roczniki Nauk Rolniczych 74 A (4) : 793-833, 1957.</note>
  <subject>
    <topic>Rotación de cultivos</topic>
    <topic>Plantas forrajeras</topic>
  </subject>
  <identifier type="lccn">17622</identifier>
  <recordInfo>
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    <recordCreationDate encoding="marc">971013</recordCreationDate>
    <recordChangeDate encoding="iso8601">20220329134242.0</recordChangeDate>
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