meaning of nitrification
1. The act, process, or result of combining with nitrogen or some of its compounds.
2. The act or process of oxidizing nitrogen or its compounds so as to form nitrous or nitric acid.
3. A process of oxidation, in which nitrogenous vegetable and animal matter in the presence of air, moisture, and some basic substances, as lime or alkali carbonate, is converted into nitrates.
4. the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria making nitrogen available to plants
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