TY  - GEN
AU  - Sahai, Vinoy Nandan
TI  - Principles and practices of crop production
SN  - 8121002869
U1  - 631.558 
PY  - 1991///
CY  - New Delhi
PB  - Inter-India
KW  - Yields
KW  - Techniques, apparatus, equipment, materials
KW  - Cultivation and harvesting
ER  -