TY  - BOOK
AU  - SIDHU, Harminder Singh
TI  - Energetics of crop production system
U1  - T 631.37 S42E 
PY  - 1991///
CY  - Ludhiana
PB  - PAU
KW  - AGRICULTURE -- ENERGY CONSUMPTION
KW  - CROP PRODUCTION
KW  - ENERGY
KW  - FUEL
KW  - ROTATION
N2  - The fuel consumption of power sources (Tractor/Engine) for different agricultural operations was measured and calculated. The farms were divided into 4 categories based on size of land holding viz. marginal farms (< ha), small farms (1 to <2 ha), medium f
ER  -