Browsing WQ - Water quality initiative (MU Extension) by Title "Nitrogen in the environment : nitrification"
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Nitrogen in the environment : nitrification
(University of Missouri. Extension Division, 1993)"Many organisms live in the soil. Some of these are able to change ammonium nitrogen (NH4+) to nitrate nitrogen (NO3-). This process is called nitrification. Nitrification has two steps -- both are carried out by bacteria ...