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Describe the natural method of nitrogen fixation.
Answer
Natural method of nitrogen fixation : When lightening occurs, atmospheric nitrogen and oxygen combine to form NO. The nitric oxide [NO] combines with oxygen to from NO2. This nitrogen dioxide combines with rain water to form HNO (Hyponitrous acid) and HNO2 or HNO2 and HNO3. These nitrous acids and nitric acid are washed into the soil along with rain water and cause Acid Rain. This acidic rain water combines with other mineral salts to form nitrities and nitrates. The nitrites and nitrates are absorbed by the plants.Describe the natural method of nitrogen fixation.