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Azolla is used as biofertilizer as it ha...

Azolla is used as biofertilizer as it has

A

Rhizobium

B

Cyanobacteria

C

Mycorrhiza

D

Large quantity of humus

Text Solution

Verified by Experts

The correct Answer is:
B
Azolla is used as a biofertilizer because it has association of cyanobacterial members in their internal tissue. Cyanobacterial members can fix atmospheric nitrogen.
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