TY  - BOOK
AU  - 
ED  - 
TI  - Crop rotation effects In savannah soil at  the Nyakpala Agricultural Experiment Station
SN  - 3823611593
AV  - S603.N9. S11
PY  - 1988///
CY  - Nyankpala
PB  - Crop research institute
KW  -  
KW  -  Savannas -- Ghana -- Statistics.
KW  - Soils -- Ghana -- Statistics.
ER  -