TY  - BK
AU  - Buresh,R.J.
AU  - Calhoun,F.
AU  - Sanchez,P.A.
TI  - Replenishing soil fertility in Africa
T2  - SSSA Special Publication
SN  - 0-89118-829-0
U1  - 631.4 
PY  - 1997///
CY  - Madison, WI (USA)
PB  - SSSA, 
KW  - Africa
KW  - Methods
KW  - Plant soil relations
KW  - Quality
KW  - AGROVOC
KW  - Soil biology
KW  - Soil chemicophysical properties
KW  - Soil conservation
KW  - Soil management
KW  - Soil testing
KW  - Soil water content
KW  - Soil fertility
ER  -