The Nitrogen Cycle

Did you know that nitrogen, another element vital to life, has a cycle just like the water cycle? Check out the poster below to learn more, then read the 'Nitrates and Nitrites' entry in our Water Quality Factors reference. (Nitrates and nitrites are forms of nitrogen combined with oxygen.)

Note: sorry, but this poster is not available for ordering. Click for 700X600 pixel version.

The Nitrogen Cycle Illustrated

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This page was last updated 08/16/06