Vol. 19 No. 3 (1971)

Papers

• Effects of aeration and mineral supply on growth and mineral content of shoots and roots of apple trees (var. 'Golden Delicious' on M.IX).

  J. Visser, J.T. Locher, R. Brouwer

  125-137

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• Water movement in layered soils-a simulation model.

  H. van Keulen, C.G.E.M. van Beek

  138-153

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• Methyl bromide fumigation versus other ways to prevent the spread of mushroom virus disease.

  A. Dieleman-van Zaayen

  154-167

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• Influence of photoperiod and water supply on production of seed and dry matter in three varieties of soybean, Glycine max (L.) Merr.

  O. Aquino, G.F. Makkink

  168-175

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• Chromosome numbers in. Begonia. 2.

  R.A.H. Legro, J. Doorenbos

  176-183

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• Climate, nitrogen and grass. 3. Some effects of light intensity on nitrogen metabolism.

  B. Deinum

  184-188

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• The influence of different Ca and P supplies on the vitamin A, Cu and Mn status of young cattle with additional effects of growth and season.

  J.M. van Leeuwen, J.J. van Kluijve

  189-194

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