Vol. 6 No. 2 (1958)

Papers

• International institute for land reclamation and improvement, Wageningen, Holland

  A. Evers

  77-78

  • PDF

• Kinetic aspects of nitrate reduction

  L.H.J. Bongers

  79-88

  • PDF

• The influence of vitamins in the feed of laying hens on the quality of the chickens.

  N. Zwiep, T.J. de Man

  89-93

  • PDF

• Some observations on the relation between transpiration and soil moisture.

  J.F. Bierhuizen

  94-98

  • PDF

• On the genesis and classification of soils derived from andesitic tuffs under humid tropical conditions.

  J. van Schuylenborgh

  99-123

  • PDF

• The effect of potash fertilization on dry matter production of permanent pasture throughout the season.

  P. de Vries, C.T. de Wit

  124-130

  • PDF

• Nitrogen, chlorine and potassium in penennial ryegrass and their relation to the mineral balance.

  W. Dijkshoorn

  131-138

  • PDF

• The execution of a regional development plan

  S. Herweijer

  139-146

  • PDF