Soil conservation and management in the humid tropics - International Conference on Soil Conservation and Management in the Humid Tropics (1975 : Ibadan, Nigeria); Greenland, D J; Lal, R (Chichester Wiley, 1977)
Includes bibliographies and index.
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Keywords: Soil conservation -- Tropics -- Congresses; Soil erosion -- Tropics -- Congresses; Agriculture -- Tropics -- Congresses