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Azolla is used as a biofertilizer becaus...

Azolla is used as a biofertilizer because it

A

multiplies very fast to produce massive bio

B

has association of nitrogen-fixing Rhizobium

C

has association of nitrogen-fixing cyanobacteria

D

has association of Mycorrhiza

Text Solution

Verified by Experts

The correct Answer is:
C
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