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This cycle shows how nitrogen moves from atmosphere to living beings (plants and animals) and then back to atmosphere

nitrogen-cycle---steps-explained.jpg

 

Let’s see what happens in the Nitrogen Cycle

Atmosphere Has 78% Nitrogen

Nitrogen gets fixed by

  • Rhizobium bacteria
  • Blue Green Algae
  • Lightning

 

Note: Rhizobium Bacteria lives in roots of pea plant(leguminous plant) which convert nitrogen in air into Nitrogenous Compounds(Nutrients)

 

Thus, Nitrogen in air gets converted into Nitrogen Compounds, which are nutrients for the soil

 

Plants Take Nitrogen

Plants Consume These Nutrients


Animals Eats Plants

Animals Eats Plants And Get Nitrogen

Both Plants And Animal Die/Excrete Waste

Bacteria converts the waste into Nitrogen air

 

Nitrogen goes back to atmosphere and cycle is repeated

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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo