Question

describe the natural fixation of nitrogen
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Answer 1

Answer:

• Certain bacteria and blue-green algae present in the soil fix atmospheric nitrogen in the soil and convert it into compounds of nitrogen.
• once nitrogen is converted into these usable compounds, it can be utilized by plants from the soil through their root system

Answer 2

here is your answer

This tiny organism converts the atmospheric nitrogen to forms that are absorbable by the plants, thus enriching the soil with nitrogen. ... Then, there is the common way of nitrogen entering soil through decomposition of organic matter. The nitrogen compounds in these are broken down and released into the soil by bacteria.