Vol. 20 No. 1 (1972)

Papers

• Feeding layers with different levels of energy and protein in the Eastern Province of Saudi Arabia.

  H. Appelman, B.J. Bonhof

  3-9

  • PDF

• A calculation of potential rice yields.

  A. van Ittersum

  10-21

  • PDF

• Experimental studies on seed production of tropical grasses in Kenya. 3. The effect of nitrogen and row width on seed crops of Setaria sphacelata cv. Nandi II.

  J.G. Boonman

  22-34

  • PDF

• The effect of sublethal doses NaNO3 given in concentrates or by capsules on blood and vitamin A status of young red and white female cattle.

  J.M. van Leeuwen

  35-43

  • PDF

• Nitrogen nutrition of rice plants measured by growth and nutrient content in pot experiments. 2. Uptake of ammonium and nitrate from a waterlogged soil.

  W. Dijkshoorn, M. Ismunadji

  44-57

  • PDF

• Yield-density relations for apple trees on a dwarfing and a semi-dwarfing rootstock.

  E.W.M. Verheij, F.L.J.A.W. Verwer

  58-66

  • PDF

• Water movement in layered soils. 2. Experimental confirmation of a simulation model.

  L. Stroosnijder, H. van Kuelen, G. Vachaud

  67-72

  • PDF