Vol. 15 No. 2 (1967)

Papers

• Cation-exchange equations used in soil science-a review.

  G.H. Bolt

  81-103

  • PDF

• Marketing, modernising factor in agriculture.

  M.T.G. Meulenberg

  104-114

  • PDF

• Agricultural productivity in Western Europe.

  P.C. van den Noort

  115-126

  • PDF

• Influence of the groundwater level on the botanical composition and productivity of intensively managed grassland on heavy clay soil.

  M. Hoogerkamp, J.J. Woldring

  127-140

  • PDF

• Controlled climate comparisons of a tropical grass and legume.

  P.G. Tow

  141-154

  • PDF