TY  - GEN
AU  - Chaterjee, B N
AU  - Maithi, S
AU  - Mandal, B K
TI  - Cropping system theory and practice
SN  - 812040419X
U1  - 631.5 CHA 
CY  - New Delhi, Oxford & IBH publishing co. pvt. ltd
KW  - Cropping systems / inter cropping
ER  -