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Vol. 12 No. 2 (1964)
Vol. 12 No. 2 (1964)
Published:
1964-05-01
Papers
Cocoa research in West Irian (West New Guinea).
J. Ruinard
89-112
PDF
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
PDF
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
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