TY  - BOOK
AU  - Sharma,  R. 
TI  - Cropping and  farming System
SN  - 9789350563717
AV  - S602.5 .s4  2014 
PY  - 2014///
CY  - New Delhi
PB  - D P H
KW  - Cropping  system
KW  - Agricultural system
ER  -