Soil conservation and management in the humid tropics
International Conference on Soil Conservation and Management in the Humid Tropics1975Ibadan.
Greenland, D. J.(Dennis James)
Lal, R.
Chichester Wiley
1977
' ... based on the proceedings of the International Conference on Soil Conservation and Management in the Humid Tropics held in Ibadan, Nigeria in June 1975' - half title page verso
'A Wiley-Interscience publication'
Includes bibliographies and index
Soil conservation