TY  - JA
AU  - Walker,T.S.
TI  - Risk and adoption of hybrid maize in El Salvador [Cost and return aspects]
SN  - 0193-9025
U1  - 83-859608 
PY  - 1981///
KW  - El Salvador
KW  - Farm organization and management
KW  - Maize
KW  - AGROVOC
KW  - Plant production
KW  - Zea mays
N1  - ill. Includes 46 ref
T2  - Food Research Institute Studies
ER  -