what is meant by nitrogen fixation?
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Answer: The process by which free atmospheric nitrogen is converted into nitrogen compounds is called nitrogen fixation.
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Process by which free nitrogen (N2) is extracted from the atmosphere and converted (fixed) into nitrogen compounds which are plant nutrients (fertilizer). In nature, this process is carried out by certain bacteria (present in the root nodules of legumes such as beans and peas), blue-green algae, and the lightning flash.
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