TY  - BOOK
AU  - 
AU  - Challa,J
AU  - Joshi,P.K.
AU  - Virmani,S.M.
TI  - Coservation Agriculture :Innovations for Improving Efficiency, Equity and Environment
U1  - 630 
PY  - 2010///
CY  - New Delhi
PB  - National Academy of Agricultural Science
KW  - National Academy of Agricultural Science
ER  -