TY  - BOOK
AU  - Yawalkar, K.S.
AU  - Bokde, S.
ED  - Agarwal, J.P. 
TI  - Manures and Fertilisers
SN  - 8190039229
U1  - 631.8 11 th ed 
PY  - 2011///
CY  - Nagpur 
PB  - Agri- Horticultural Publishing House 
ER  -