TY  - BOOK
AU  - Das, N. R
TI  - Tillage and crop production
SN  - 09788172335168
AV  - S604.D3 2008 
PY  - 2008///
CY  - Jodh pin 
PB  - Scientific
KW  - Tillage
KW  - Cropping Systems
ER  -