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Explain the role of Cyanobacteria as Bio...

Explain the role of Cyanobacteria as Biofertilizers.

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Cyanobacteria are autotrophic microbes which serve as an important biofertiliser in paddy fields.They add organic matter to the soil and also increase its fertility by addition of nitrogenous substances. Most of them can fix atmospheric nitrogen 2.g., Nostoc, Anabaena, etc.
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