Nitrogen fixation

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  • Created by: Megan
  • Created on: 11-05-14 15:55
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  • Circulation of nutrients!
    • Nitrogen fixation
      • Nitrogen > Ammonium
      • Nitrogenese
      • Anaerobic conditions
      • Leghaemoglobin removes excess oxygen to keep anaerobic conditions.
      • Symbiotic relationship between rhizobium and root nodules
    • Nitrification
      • Ammonia to nitrite to nitrate
      • Nitrobacter
    • Ammonification
      • Bacteria releases ammonia from dead animals
    • Dentrification
      • Nitrogen returning back to the atmosphere
      • Denitrifying bacteria
      • Nitrate>Nitrogen gas

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