TY  - GEN
TI  - Handbook  of biofertilizers & vermiculture
SN  - 8189765019
U1  - 631.86 
CY  - New Delhi
PB  - EIRI
N1  - 1. The living soil
2. Organic sources and dynamics
3.Vermiculture
4. application of vermiculture biotechnology
5. Biological fertilizers
6. Microbal inoculants for nitrogen fixation
ER  -