TY  - BOOK
AU  - Singh, A.L. .
TI  - Nitrogen Fixation in Indian Rice Fields:Azolla & Blue Green Algae
SN  - 81-85031-15-8
U1  - 631.8954 
PY  - 1989///
CY  - Bikaner
PB  - Agro Botanical Publishers
KW  - Botany
KW  - Nitrogen Fixation-Rice Fields
KW  - Rice Fields-Nitrogen Fixation
N1  - Bib
ER  -