Vol. 28 No. 1 (1980)

Papers

• Multi-point temperature measuring equipment for crop environment, with some results on horizontal homogeneity in a maize crop. 2. Equipment used.

  J. Birnie, C.J. Stigter, P. Jansen

  1-6

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• Multidimensional transport of solutes in saturated and in unsaturated soils

  P.A.C. Raats

  7-15

  • PDF

• Nitrate poisoning in cattle. 5. The effect of tungsten on nitrate formation by rumen microbes.

  A. Korzeniowski, J.H. Geurink, A. Kemp

  16-19

  • PDF

• Root and crop growth of oats as affected by the length of periods of high water-table.

  J.J. Schuurman

  20-28

  • PDF

• Effect of protein and energy levels in a constant ratio supplemented with methionine and lysine on performance of layers and on egg quality.

  A.R. El Boushy, L.G.M. van Gils, M.C. Papadopoulos

  29-35

  • PDF

• Hybrid tea-roses under controlled light conditions. 4. Combining ability analysis of variance for percentage of flowering in F1 populations.

  D.P. de Vries, L. Smeets, L.A.M. Dubois

  36-39

  • PDF

• Occurance and behaviour of uranium and thorium in soil and water

  K. Harmsen, F.A.M. de Haan

  40-62

  • PDF