• Jaar
    1970
  • Auteur
    Sibma, L.
  • Bron
    Netherlands Journal of Agricultural Science 18 (1970) 2
    • artikel

    Relation between total radiation and yield of some field crops in the Netherlands.

  • Jaar
    1970
  • Auteur
    Sibma, L.
  • Bron
    Netherlands Journal of Agricultural Science 18 (1970) 2
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