TY  - BOOK
AU  - Barker, Radolph
TI  - Socio-economic constraints to the production of photoperiod
U1  - 338.173180954/BAR 
PY  - 1977///
CY  - Manila
PB  - International Rice Research Inst
KW  - Photoperiodism
KW  - Rice
KW  - Productivity--India
KW  - Economic factors--India
KW  - Constraints
KW  - Production economics
KW  - Economics
N1  - Paper presented at Int. Sem. on Photoperiod Sensitive Transplanted rice of south ans South-east Asia, Dacca, 1977
ER  -