TY  - BOOK
AU  - Narang R S
AU  - Virmani S M
TI  - Rice -Wheat cropping systems of the Indo -Gangetive plain of India
U1  - 633.18 
PY  - 2001///
CY  - New Delhi
PB  - Rice -Wheat consortium for Indo -Gungetiv plains
KW  - Field crops
ER  -