TY  - BOOK
AU  - Singh, S S
TI  - Crop management: Under irrigated and rainfed conditions 
SN  - 812722460X
U1  - 630 
PY  - 1988///
CY  - Ludhiana
PB  - Kalyani publishers
KW  - Crop production
KW  - Oilseeds
ER  -