Vol. 11 No. 4 (1963)

Papers

• Experiences with hevea rubber in West New Guinea.

  H.J. de Wilde de Ligny, H.W. Moll, J.S. Vollema

  237-249

  • PDF

• The effect of organic matter on the structure of clay soils.

  P. Boekel

  250-263

  • PDF

• The mathematical treatment of grid-survey data for land levelling

  J.L. Unger

  264-294

  • PDF

• The nutritive value of the indigenous grasses of Surinam.

  J.G.P. Dirven

  295-307

  • PDF

• An inventory of soils and soil suitabilities in West Irian. 1

  H. Schroo

  308-333

  • PDF