Overview
  Biogeochemical Cycles
  Spheres of B. Cycles
  Nitrogen Properties
  Simple Nitrogen Cycle
  Human Influences
  Spheres of the N Cycle
  Choose a Sphere

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Glossary


 
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1. Overview
    Instructions to Reviewers
    Illinois State Water Survey (ISWS) Home
    Illinois Council on Food and Agricultural Research (C-FAR) Home
    Glossary
2. Biogeochemical Cycle
3. Spheres of Biogeochemical Cycles
4. Nitrogen Properties
    Nitrogen Species
   
   Examples Of Organic N Measurements
    Transformations of Nitrogen Species
   
   N Speciation Under Varying Oxidation-Reduction Conditions
    Biological Processes Involving N
5. Simplified Nitrogen Cycle
    Abridged Version
Full Text Version
6. Human Influences on the Nitrogen Cycle
7. Spheres of the Nitrogen Cycle
8. Choose a Nitrogen Cycle Sphere
    Atmosphere
Biosphere
   Nitrogen Properties
   Human Influences
Geosphere
   Nitrogen Properties
Hydrosphere
   N species
 
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