The Nitrogen Cycle

nitrogen cycle  The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, Nitrogen cycle The nitrogen cycle is the biogeochemical cycle that describes the transformations of nitrogen and nitrogen-containing compounds in nature

Nitrogen Cycle · The nitrogen cycle fixes the nitrogen from the atmosphere into the soil for use by plants and animals · They are then demineralized upon their During the cycle, certain bacteria 'fix' atmospheric nitrogen into ammonia, which plants need in order to grow Other bacteria convert the

Nitrogen Sinks The primary reservoir for long-term storage of nitrogen is nitrogen gas in the atmosphere However, there are other, smaller nitrogen sinks in Nitrogen gas consists of two nitrogen atoms bonded together The process of converting nitrogen gas to ammonia is called nitrogen fixation