Vol. 15 No. 4 (1967)

Papers

• Choice of food crops in relation to actual and potential production in the tropics.

  C.A. de Vries, J.D. Ferwerda, M. Flach

  241-248

  • PDF

• Sensitivity to copper deficiency of different cereals and strains of cereals.

  K.W. Smilde, C.H. Henkens

  249-258

  • PDF

• Root growth in acid soils.

  G.P. Wind

  259-266

  • PDF

• Evaluation of the nutrient status of wheat plants.

  M. Kostic, W. Dijkshoorn, C.T. de Wit

  267-280

  • PDF

• Surface irrigation with saline water on a heavy clay soil in the Medjerda Valley, Tunisia.

  J.A. van 't Leven, M.A. Haddad

  281-303

  • PDF

• Some characteristics of young sediments in Lake IJssel.

  J. Hofstee

  304-313

  • PDF