TY  - BK
TI  - Effective weed control in maize and cowpea production
T2  - Ghanaian Farmers
PY  - 1991///
CY  - Kumasi (Ghana)
PB  - GGDP, 
KW  - Cowpeas
KW  - Weed control
KW  - AGROVOC
KW  - Zea mays
ER  -