name the microorganisms which can fix atmos pheric nitrogen in soil?
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Answer:
rhizobium
Explanation:
Rhizobia are a "group of soil bacteria that infect the roots of legumes to form root nodules".[2] Rhizobia are found in the soil and after infection, produce nodules in the legume where they fix nitrogen gas (N2) from the atmosphere turning it into a more readily useful form of nitrogen.
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Answer: Two kinds of nitrogen-fixing bacteria are recognized. The first kind, the free-living (nonsymbiotic) bacteria, includes the cyanobacteria (or blue-green algae) Anabaena and Nostoc and genera such as Azotobacter, Beijerinckia, and Clostridium.
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