define nitrogan fixation and it importance ?
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Nitrogen fixation is a process whereby bacteria in the soil convert atmospheric nitrogen (N_2 gas) into a form that plants can use. Here is an image of the nitrogen cycle that will help a bit more: Nitrogen Cycle (source- Wikimedia Commons) The reason this process is so important is that animals and plants cannot use atmospheric nitrogen directly.
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Nitrogen fixation is a process whereby bacteria in the soil convert atmospheric nitrogen ( N2 gas) into a form that plants can use. ... Animals get their nitrogen by eating plants or other animals. Finally, all organisms need a steady supply of nitrogen because it is a building block of DNA and RNA, and of proteins.
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