Vol. 5 No. 2 (1957)

Papers

• A note on the cation-anion relationships in perennial ryegrass.

  W. Dijkshoorn

  81-85

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• The production of polyploid beets. [not specified]

  D. Kloen

  86-103

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• Faculty and farm : the role of universitary agricultural education in rural welfare development

  W.J. Timmer

  104-114

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• The influence of commodity, packing material and the properties of the fumigation chamber on the concentration of hydrocyanic acid in the gas phase.

  P.H. van de Pol, E.I. Rauws

  115-126

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• Wageningen, centre of agricultural science in the Netherlands

  H. de Haan

  127-132

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