TY  - BOOK
AU  - Sen, S P .
TI  - Biofertilizers:Potentialities and Problems
SN  - 81-85109-86-9
U1  - 631.8 
PY  - 1988///
CY  - Calcutta
PB  - Naya Prakashan
KW  - Botany
KW  - Biofertilizers
ER  -