TY  - BOOK
ED  - Punjab. Economic and Statistical Organisation
TI  - Economics of tractor cultivation and economics of production and cultivation practices of high yielding varities of wheat,maize (hybrid) and paddy
U1  - 5445/630.9 
KW  - High yielding seeds
KW  - maize(hybrid)
KW  - Paddy
KW  - Production
KW  - Tractor cultivation
KW  - Wheat
ER  -