Nitrogen Cycle By Nathan McClurg and Joey Andrada.

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The Nitrogen Cycle.

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Presentation transcript:

Nitrogen Cycle By Nathan McClurg and Joey Andrada

Key Terms Denitrification –removal of nitrogen or nitrogen compounds –Conversion of nitrogen to gaseous form

Precipitation Process of rain, sleet, snow, hail, etc.

Ammonium Form of nitrogen contained in fertilizer generated in soil by breakdown of organic matter NH4

Mineralization Organic compounds to inorganic compounds (Organic) Dead plant, animal material (Inorganic) nitrates, carbon dioxide

Nitrates Found in plant nutrient and fertilizer Animal feed, manures, and sewage

Nitrites NO2 Converted from free ammonia Harmful at any level Converts into nitrates

Amount of Nitrogen 78.08% in atmosphere 79% bound nitrogen in lithosphere Mass of nitrogen 20,000,000,000,000 tons in hydrosphere 80% in biosphere

Ecological Impact About 90% of the soil Denitrification decreases fertility of plants High concentrates of nitrates are toxic Without Denitrification life would not be possible except near large bodies of water

Biological Impact Health effects of nitrogen Environmental effects of nitrogen

Bibliography _education/Glossary/Glossary.htmwww.hubbardbrook.org/6- 12_education/Glossary/Glossary.htm ne.htmlwww.laurentianvalleytwsp.on.ca/DomesticWaterWellDefi ne.html and-water.htmhttp:// and-water.htm

Hyperlinks to Images ges_Categories&country=USA&kw=usa+nature_picturehttp:// ges_Categories&country=USA&kw=usa+nature_picture gencycle.jpg&imgrefurl= sz=186&hl=en&start=7&um=1&usg=__aDebNgM_WXcI0zJSF0Z7mXAz- iw=&tbnid=SoJ4GhLez3nuPM:&tbnh=140&tbnw=140&prev=/images%3Fq%3DNitrogen%2BCycle %26um%3D1%26hl%3Den%26rls%3Dcom.microsoft:en-US%26sa%3DG )/slides/Rocky%20Forest%20Path.htmlhttp:// )/slides/Rocky%20Forest%20Path.html