Which of the following is used as a biofertil | vedclass

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(A) Cyanobacteria,such as $Anabaena$ and $Nostoc$,are commonly used as biofertilizers in paddy fields.They are capable of fixing atmospheric nitrogen,

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Cyanobacteria

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(A) Cyanobacteria,such as $Anabaena$ and $Nostoc$,are commonly used as biofertilizers in paddy fields.They are capable of fixing atmospheric nitrogen,which enriches the soil with nitrogenous compounds.$Anabaena$ is often found in the leaf cavities of the water fern $Azolla$,which is grown in rice fields to provide nitrogen to the crop.

Which of the following is used as a biofertilizer in paddy fields?

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