TY  - BOOK
AU  - Davis, Eric
TI  - Organic farming: biofertilizers and nutrients 
SN  - 9789387642928
U1  - 631.584 DAV 
PY  - 2018///
CY  - New Delhi
PB  - Agri Horti Press
KW  - Organic farming
N1  - BIB
ER  -