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Farmers have reported over 50% higher yi...

Farmers have reported over `50%` higher yields of rice by using which of the following biofertilisers ?

A

Mycorrhiza

B

Azolla pinnata

C

Cyanobacteria

D

Legume-Rhizobium symobiosis

Text Solution

Verified by Experts

The correct Answer is:
B
Anabaena azollae, a cyanobacterium living in the cavities of fern Azolla, fixes atmospheric nitrogen and releases it into the leaf cavity of the fern. Farmers have reported ove 50% higher yields by using Azolla pinnata.
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