TY  - BOOK
AU  - Das,N.R.
TI  - Tillage and crop production
SN  - 9788172335151
U1  - 631.51 
PY  - 2008///
CY  - Jodhpur
PB  - Scientific Publishers
KW  - Tillage
KW  - Agricultural systems
N1  - Includes bibliographical references and appendices
ER  -