mention two ways by which atmospheric nitrogen is fixed in nature
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Rizobium bacteria fixes it
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BIOLOGICALLY:
Bacteria like Rhizobium, Nitrosomonas convert Nitrogen into Ammonium ions, which can be used by the plants through the soil.
PHYSICALLY:
Lightning converts Nitrogen into Ammonia and Nitrate that gets fixed in the soil along with rain.
Bacteria like Rhizobium, Nitrosomonas convert Nitrogen into Ammonium ions, which can be used by the plants through the soil.
PHYSICALLY:
Lightning converts Nitrogen into Ammonia and Nitrate that gets fixed in the soil along with rain.
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