TY  - GEN
AU  - Subramanyam,G.
TI  - Studies on genus Anabaena
KW  - Genera
KW  - Anabaena
KW  - Trace elements
KW  - PH
KW  - NPK fertilizer
KW  - Nitrogen fixation
KW  - Tolerance
KW  - Nutritional requirements
ER  -