TY  - BOOK
AU  - Chopra, V L
TI  - Crop productivity and sustainability : shaping the future : proceedings of the 2nd International Crop Science Congress
SN  - 8120412125
U1  - 630.973/CHO 
PY  - 1998///
CY  - New Delhi
PB  - Oxford&IBH Publishing Co.Pvt. Ltd
KW  - Agriculture
KW  - Crop Science
ER  -