TY  - GEN
AU  - BHATTACHARYYA, P
AU  - MOTSARA, M R
TI  - BIOFERTILISER: TECHNOLOGY,MARKETING AND USAGE
U1  - 631.847 MOT/BI 
CY  - NEW DELHI, FDCO
KW  - DECRIPTION AND CHARACTARISTICS OF BIOFERTILISERS
KW  - INTRODUCTION AND HISTORICAL
KW  - SOURCES OF NITROGEN
ER  -