Which Is Free-living Nitrogen-fixing Bacteria?
Azotobacter species are free-living, nitrogen-fixing bacteria; in contrast to Rhizobium species, they normally fix molecular nitrogen from the atmosphere without symbiotic relations with plants, although some Azotobacter species are associated with plants. Is Azotobacter anaerobic? Nitrogen Fixing Bacteria: Azotobacter, Beijerinckia and Clostridium (anaerobic) are saprophytic bacteria that perform organic processes.Read More →