Question

define nitrogen cycle and write any 5 small points about it

Answer 1

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1. Nitrogen fixation:- during this process nitrogen is fixed by free-living or symbiotic bacteria.This fixed nitrogen is then used by the plants for their development and growth.


2. Ammonification:- in this process bacteria convert the organic nitrogen within the remains of dead plants or animals into ammonia.

3. Nitrification:- in this process some soil-living bacteria or nitrifying bacteria such as Nitrosomonas.....


4. Denitrification:- in this process nitrates is converted back into the nitrogen gas, completing the nitrogen cycle.



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