TY  - BOOK
AU  - P A VARKEY
AU  - P KUMARA PILLAI
TI  - STUDIES ON THE FORMULATION OF SELECTION INDEX FOR YIELD IN RICE (Oryza sativa, L.)
U1  - I N64 VA 20 
PY  - 1964///
CY  - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI
PB  - DIVISION OF AGRICULTURAL BOTANY
ER  -