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what is nitrification? |
| Nitrification Nitrification occurs by the following reactions: 2 NH3 + 3 O2 ? 2 NO2 + 2 H+ + 2 H2O 2 NO2- + O2 ? 2 NO3- Aerobic bacteria use oxygen to convert ammonia and ammonium. Nitrosomonas bacteria convert nitrogen into nitrite (NO2-) and then nitrobacter convert nitrite to nitrate (NO3-). Some bacteria exist in a symbiotic relationship with plants (legumes and some root-nodule species). Plants utilize the nitrate as a nutrient. Animals obtain nitrogen by eating plants or plant-eating animals. |
