Vol. 4 No. 4 (1956)

Papers

• Research on the field and horticultural crops in the Netherlands

  N.H.H. Addens

  287-293

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• The relationship between advisory work and research in agriculture

  G.J. Vervelde

  294-298

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• Justification of the cost of research on breeding and on varieties of crop plants. [French]

  H. de Haan

  299-304

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• The determination of pasture yield.

  S. Bosch

  305-313

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• On the variations in contents and in inter-relations of minerals in dandelion (Taraxacum officinale Weber) and pasture grass.

  F.K. van der Kley

  314-332

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• Effect of the mineral nutrition of potato plants on the biochemistry and the physiology of the tubers.

  E.G. Mulder

  333-356

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