Vol. 40 No. 1 (1992)

Papers

• Effects of injection of saline with and without vitamin C on heat tolerance of neonatal chicks.

  A.A.M. Hamdy, A.M. Henken, W. van der Hel, A.K.I.A. Elmoty, A. Gh. Galal

  1-10

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• Thermal inactivation of weed seeds and tubers during drying of pig manure.

  C.M.J. Bloemhard, M.W.M.F. Arts, P.C. Scheepens, A.G. Elema

  11-19

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• Influence of a single non-destructive harvest on potato plantlets grown for minituber production.

  W.J.M. Lommen, P.C. Struik

  21-41

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• Effect of nitrogen fertilization during raising of cauliflower transplants in cellular trays on plant growth.

  R. Booij

  43-50

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• Effects of spatial variability of nitrogen supply on environmentally acceptable nitrogen application rates to arable crops.

  M. van Noordwijk, W.P. Wadman

  51-72

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• Effects of competition with weeds on growth, development and yield of groundnuts.

  A.P. Everaarts

  73-90

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• Effects of competition with weeds on growth, development and yield of soyabeans.

  A.P. Everaarts

  91-107

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