noun. The process, induced by certain microbes, by which, the nitrogen of organic material in the soil is oxidized to nitric acid.

noun. undefined

noun. The act, process, or result of combining with nitrogen or some of its compounds.

noun. The act or process of oxidizing nitrogen or its compounds so as to form nitrous or nitric acid.

noun. 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.

noun. the act of nitrifying

noun. the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants)

noun. the chemical process in which a nitro group is added to an organic compound (or substituted for another group in an organic compound)

""Technically the last two steps in the process are nitrification proper; but, speaking generally, the term nitrification is used to include the three steps, or both ammonification and nitrification proper."

chemical action  chemical change  chemical process  oxidation  oxidisation  

abolishment  achivar  acidification  again  backflow