TY  - BK
AU  - Lafitte,H.R.
AU  - Edmeades,G.O.
TI  - On-farm agronomic research conducted in Ghana from 1979-1981:  A case study
PY  - 1987///
CY  - Mexico, DF (Mexico)
PB  - CIMMYT, 
KW  - Agronomic characters
KW  - AGROVOC
KW  - Food production
KW  - Ghana
KW  - Planting date
KW  - Prices
KW  - Sidedressing
KW  - Varieties
KW  - Weed control
KW  - Zea mays
N1  - Tables, maps
ER  -