Azolla is used in the cultivation of ....... | vedclass

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(D) $Azolla$ is a small aquatic fern that has a symbiotic relationship with the nitrogen-fixing cyanobacterium $Anabaena$ $azollae$.Because of this as

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Rice

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(D) $Azolla$ is a small aquatic fern that has a symbiotic relationship with the nitrogen-fixing cyanobacterium $Anabaena$ $azollae$.Because of this association,$Azolla$ is widely used as a biofertilizer in rice fields.It helps in fixing atmospheric nitrogen,which enhances the growth and yield of the rice crop.Therefore,$Azolla$ is primarily used in the cultivation of rice.

$Azolla$ is used in the cultivation of .......

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