Nitrogen cycle is a series by which nitrogen undergo in the atmosphere, water, living organisms and soil.
Ways in which Nitrogen is removed from the atmospehere:
- Lighting
- Nitrogen fixation by bacteria
- Bosh herber process
- Nitrification
Ways in which nitrogen is returned to the atmosphere:
- Denitrification
- Combustion
- Volitalisation
FORMS IN WHICH NITROGEN IS ABSORBED BY PLANTS:
- Nitrates ions
- Ammonium ion