Soil conservation and management in the humid tropics - International Conference on Soil Conservation and Management in the Humid Tropics, Ibadan, Nigeria, 1975.; Greenland, D. J.; Lal, R.; International Institute of Tropical Agriculture; Agricultural Research Council of Nigeria (New York : John Wiley & Sons, 1977)
"A Wiley-Interscience publication."
Includes bibliographies and index.
Keywords: Soil conservation -- Tropics -- Congresses; Soil erosion -- Tropics -- Congresses; Agriculture -- Tropics -- Congresses