TY  - BOOK
AU  - Subba Rao, N S
TI  - Biofertilizers in agriculture
U1  - 631.847 21st
PY  - 1982///
CY  - New Delhi
PB  - Oxford and IBH
KW  - Biofertilizers-India; Organic fertilizers; Nitrogen-Fixing plants; Azolla-India; Azolla as fertilizer-India
ER  -