Some bacteria and blue green algae helps to enrich soil fertility. How does it occurs
and write the common name of these microbes?
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Blue-green algae can fix the atmospheric nitrogen because they contain an O
2 sensitive enzyme nitrogenase. They live in close association with the leaves of the Azolla plant and fix the atmospheric nitrogen into the soluble form which is utilised by the plant. This nitrogen helps in increasing the fertility of the soil and can be used for the growth of the paddy crops.
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