TY  - BK
AU  - Johnson,P.
TI  - Recommendations for cropping in the semi-arid areas of Zimbabwe
PY  - 1987///
CY  - Harare (Zimbabwe)
PB  - AGRITEX, 
KW  - Cereals
KW  - AGROVOC
KW  - Cropping patterns
KW  - Green manures
KW  - Pest control
KW  - Stored products
KW  - Water conservation
KW  - Zimbabwe
KW  - Tillage
KW  - Farming systems
ER  -