Azolla enriches rice fields with nitrogen due to its association with – InterviewSolution

1.	Azolla enriches rice fields with nitrogen due to its association with Or A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water fern Azolla isA. AnabaenaB. NostocC. RhizobiumD. Frankia
Answer» Correct Answer - A Azolla pinnata contains symbiont Anabaena in its leaf cavities. It is often inoculated to rice fields for nitrogen fixation.

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