TY  - BOOK
AU  - Das, N.R.
TI  - Tillage and Crop Production
SN  - 9788172335151
U1  - 629/DAS 
PY  - 2008///
CY  - Jodhpur
PB  - Scientific Publishers(India)
KW  - Crop yields
KW  - Tillage
ER  -