Nitrogen fixation is
Nitrogen $→$ Ammonia
Nitrogen $→$ Nitrates
Nitrogen $→$ Amino acids
Both $ (a) $ and $(b)$
It’s obvious.
Green manure plants belong to
Which is correct about nitrogen fixation by legumes. They fix nitrogen through
Which of the following is not a symbiotic nitrogen fixing bacterium?
Consider the following statements about organic farming
$I.$ Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships
$II.$ Integrated pest and weed management and soil conservation systems are valuable tools on an organic farm
$III.$ Organic farming protects the environment, minimize soil degradation and erosion and decrease pollution
Which of the statements given above are correct?
Azolla possesses symbiotic association with
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