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Nitrifying bacteria

nitrifying bacteria
Any of various soil bacteria that change ammonia or ammonium into nitrite or change nitrite into nitrate as part of the nitrogen cycle. Bacteria of the genus Nitrosomonas are the primary converters of ammonium into nitrite (which is actually toxic to plants), and bacteria of the genus Nitrobacter oxidize the nitrite to form nitrate ions (which are readily absorbed and usable by plants). Most of the nitrogen contained in fertilizer is made available to plants by these bacteria.


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  • Nitrile

    [nahy-tril, -treel, -trahyl] /ˈnaɪ trɪl, -tril, -traɪl/ noun, Chemistry. 1. any of a class of organic compounds with the general formula RC≡N. /ˈnaɪtrɪl; -traɪl/ noun 1. any one of a class of organic compounds containing the monovalent group -CN Also called (not in technical usage) cyanide nitrile ni·trile or ni·tril (nī’trəl) n. An organic cyanide […]

  • Nitrile-rubber

    noun, Chemistry. 1. a synthetic rubber obtained by the copolymerization of acrylonitrile and butadiene, noted for its oil resistance.

  • Nitrilo-

    nitrilo- pref. Containing trivalent nitrogen bonded to three identical groups: nitrilotriacetic acid.

  • Nitrite

    [nahy-trahyt] /ˈnaɪ traɪt/ noun 1. Chemistry. a salt or ester of nitrous acid. 2. Nutrition. . /ˈnaɪtraɪt/ noun 1. any salt or ester of nitrous acid nitrite ni·trite (nī’trīt’) n. nitrite (nī’trīt’) A salt or ester of nitrous acid, containing the group NO2. Nitrites are an important component of the nitrogen cycle and are used […]

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