TY  - BK
ED  - Soil Science Society of America
ED  - Proceedings of a symposium sponsored by divisons S-4, S-8, and A-6 of the Soil Science Society of America and the American Society of Agronomy
TI  - Sustaining soil fertility in West Africa
T2  - SSSA Special Publications
SN  - 0-89118-838-X
U1  - 631.422966 
PY  - 2001///
CY  - Madison, WI (USA)
PB  - SSSA, 
KW  - Crop yield
KW  - AGROVOC
KW  - Fertilizer application
KW  - Food production
KW  - Plant production
KW  - Plant soil relations
KW  - West Africa
KW  - Soil fertility
ER  -