• Jaar
    1986
  • Auteur
    Spiertz, J.H.J.
    Sibma, L.
  • Bron
    Netherlands Journal of Agricultural Science 34 (1986) 1
    • artikel

    Dry matter production and nitrogen utilization in cropping systems with grass, lucerne and maize. 2. Nitrogen yield and utilization.

  • Jaar
    1986
  • Auteur
    Spiertz, J.H.J.
    Sibma, L.
  • Bron
    Netherlands Journal of Agricultural Science 34 (1986) 1
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