Balasubramani G.2014-05-032014-05-031998http://krishikosh.egranth.ac.in/handle/1/2058504en-USazolla, cyanobacteria, heterocyclic compounds, enzymes, proteins, nitrogen, planting, inorganic compounds, anabaena azollae, biological phenomenaEffect Of Immobilization Of Six Isolates Of Anabaena, Azollae In Polyurethane Foam (Puf) On The Growth, Nitrogen Fixing Activity, Ammonia Excretion And Phylogenetic Analysis By PcrThesis