Vol. 5 No. 4 (1957)

Papers

• The effect of the ani on in the fertilizer on the ani on and cation content of perennial ryegrass.

  W. Dijkshoorn

  233-238

  • PDF

• Resettlement problems and policies

  R. Schikele

  239-254

  • PDF

• A reliefmeter for soil cultivation studies.

  H. Kuipers

  255-262

  • PDF

• The radio warning service for Apple and Pear scab in the Netherlands.

  C.A.E. Meijneke

  263-270

  • PDF

• The conservation of grass for feeding purposes in agriculture.

  N.D. Dijkstra

  271-283

  • PDF

• An analysis of some pilot fertilizer experiments on paddy.

  C.T. de Wit

  284-289

  • PDF

• Examination of Penman's revised formula. [Esperanto]

  G.F. Makkink

  290-305

  • PDF