TY  - BOOK
AU  - Narang, R.S.
TI  - Rice-wheat cropping systems of the Indo-gangetic plain of India
U1  - 631.58 N24R 
CY  - Patancheru
PB  - International Crops Research Institute for the Semi-Arid...
KW  - CROPPING SYSTEMS - INDIA
KW  - MULTIPLE CROPPING
ER  -