TY - GEN AU - Kataria,M. TI - Effect of combined nitrogen on the nitrogen budget of diazotrophic cyanobacteria KW - Cyanobacteria KW - Diazotrophy KW - Anabaena KW - Hosts KW - Ammonum nitrogen KW - Nitrogen fixation KW - Organisms KW - Chlorophylls KW - Enzymes ER -