The atmosphere is full of nitrogen gas (N2). But plants cannot use nitrogen in this form. Summarize the roles of bacteria in making nitrogen available to plants and in returning nitrogen to the atmosphere.

Nitrogen fixation by azotobacter.

Explanation:

Nitrogen fixation explains the

role azotobacter plays in the conversion of atmospheric nitrogen into ammonia and organic derivatives, by natural means, something special about this conversion is that these microorganisms are in the soil, and the forms they convert Nitrogen into, is a form that can be assimilated by plants.

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