Vol. 12 No. 2 (1964)

Papers

• Cocoa research in West Irian (West New Guinea).

  J. Ruinard

  89-112

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• Nomogram for determining the diameter of drainage tiles

  A.D. Kusse

  113-123

  • PDF

• The tropical grey and black earths of the Accra Plains, Ghana; their environment, characteristics and air-photograph mapping.

  F. Hagenzieker

  123-131

  • PDF

• Influence of daylength on vernalization of winter rye.

  Th.A. Hartman

  132-155

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• Improvement of the preparation of thin sections of soil by a new grinding, cleaning and polishing machine. [in German]

  W. Kubiena, W. Beckmann, E. Geyger

  156-159

  • PDF