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NITROGEN CYCLE

Main processes

Uses

History

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates between the biosphere, terrestrial and marine ecosystems.

The main processes that make up the nitrogen cycle are five:

1- Nitrogen fixation

2- Nitrogen uptake

3- Nitrogen mineralization

4- Nitrification

5- Denitrification.

It is used in the production of fertilizers, nitric acid, nylon, dyes and explosives, it is also used during the preparation of samples for chemical analysis.