Replenishing soil fertility in Africa; proceedings of an international symposium Replenishing soil fertility in Africa; proceedings of an international symposium

by 51939 Buresh, R.J., 115671 Sánchez, P.A., 52895 Calhoun, F. eds., 18133 Soil Science Society of America, Madison, WI (EUA), 9447 ICRAF, Nairobi (Kenia), 35898 International Symposium on Replenishing Soil Fertility in Africa Indianapolis, IN (EUA) 6 Nov 1996
Published 1997