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Related articles:
Nitrogen
Nitrogen fixation
Plant
Denitrification
Eutrophication
Biogeochemical cycle
Key terms: nitrogen plants gas nh nitrate atmosphere bacteria acid soil ammonia ions ammonium ppm fixed converted nitrites ciclo wastewater root nitrogen cycle animals fertilizer toxic aquatic oxidation anaerobic essential biological oxygen contributed groundwater dead zone biology nodules legumes contaminants conversion amino acid abundant hydrogen syndrome chemistry dinitrogen nitrogen fixation eutrophication mutualistic ammonium ions drinking water denitrification atmospheric nitrogen Search external links cited by footnotes on Wikipedia page Nitrogen cycle: |
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