TY  - GEN
AU  - Palaniappan, S P
AU  - Annadurai, K
TI  - Organic farming: theory & practice 
SN  - 9788172335380
U1  - 631.584 
PY  - 2012///
CY  - Jodhpur
PB  - Scientific Publishers
KW  - Green manuring
KW  - Biological nitrogen
KW  - Vermiculture  biotechnology
KW  - Organic farming
N1  - It Includes bibliographies and index
ER  -