TY  - BOOK
AU  - SOMAN P S
AU  - K P MADHAVAN NAIR
TI  - WEED MANAGEMENT IN RICE BASED CROPPING SYSTEM
U1  - J N88 SO 89 
PY  - 1988///
CY  - COLLEGE OF AGRICULTURE VELLAYANI
PB  - DEPARTMENT OF AGRONOMY
ER  -