TY  - GEN
AU  - Gupta, M.K.
TI  - Handbook of organic farming and Bio fertilizers
SN  - 9788183761109
U1  - 631.584 GUP 
CY  - Jaipur, A.B.D. Publishers
KW  - Organic Matter / Biogas slurry / vermicomposting  compost / Green Manuring / Rhizobium / Azolla / Biopesticides
ER  -