Which bacteria act as biofertilizers in paddy | vedclass

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(A) Cyanobacteria (such as Anabaena and Nostoc) are autotrophic microbes widely distributed in aquatic and terrestrial environments,many of which can

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Cyanobacteria

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(A) Cyanobacteria (such as Anabaena and Nostoc) are autotrophic microbes widely distributed in aquatic and terrestrial environments,many of which can fix atmospheric nitrogen.In paddy fields,Cyanobacteria serve as an important biofertilizer by fixing atmospheric nitrogen and adding organic matter to the soil,which increases the fertility of the field.Rhizobium is associated with root nodules of leguminous plants.Azotobacter is a free-living nitrogen-fixing bacterium found in soil.$E$. coli is a bacterium found in the human intestine and is not used as a biofertilizer.

Which bacteria act as biofertilizers in paddy fields?

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