TY  - BOOK
AU  - Khan, A. R.
TI  - Art and Science of Tillage: A critical study of some of its problems
U1  - 631.51 
PY  - 1974///
CY  - Khurja
PB  - A R Khan
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Crop production
KW  - Tillage
ER  -