Vol. 8 No. 2 (1960)

Papers

• A presentation of leaf analytical data of cacao, obtained from a fertilizer trial in Netherlands New Guinea.

  G.H. Schroo

  93-97

  • PDF

• Perverse supply curves in less developed economies?

  J.H.L. Joosten

  98-102

  • PDF

• Tobacco growing and rural welfare. I and II.

  G.L. Wanrooy

  103-123

  • PDF

• The determination of air-permeability of soils.

  A.R.P. Janse, G.H. Bolt

  124-131

  • PDF

• A portable instrument for measuring soil moisture.

  G. Borel

  132-138

  • PDF

• Synthetic detergents in sewage sludge.

  P.R. den Dulk

  139-148

  • PDF

• Placement of a compound (N.P.K.) fertilizer compared with straight fertilizers.

  J. Prummel

  149-154

  • PDF