Question

Difference between chemical and biological fixing of nitrogen

Answer 1

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Nitrification is the biological oxidation of ammonia with oxygen into nitrite followed by the oxidation of these nitrites into nitrates - carried out in soil by the action of nitrifying bacteria on decaying organic matter.

Nitrogen fixation is the conversion of atmospheric nitrogen into compounds, such as ammonia, by natural agencies or various industrial processes - eg. Rhizobium bacteria in the root nodules of legumes fix atmospheric nitrogen.
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Answer 2

hii mannan

here is your answer


chemical fixation of nitrogen is due to lightning which change nitrogen into nitrates

biological fixation is due the ribozium present in root nodules

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