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3
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Evaluation of macro and micro nutrient status of soils from the cotton development project, Nepal / by A. Muller...[et al.].
- 856.5
- Royal tropical institute. Department of agricultural research,
- 1979.
- Amsterdam :
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Multatuli Volledige Werken.
- G.A. van Oorschot,
- 1979.
- Amsterdam :
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Agroforestry : interaction of agriculture and forestry for the benefit of man and his environment / J.T. Wassink.
- Royal Tropical Institute,
- 1979.
- Amsterdam :