Biogeochemical Cycles: the Nitrogen Cycle

The Nitrogen Cycle Earth Science nitrogen cycle The nitrogen cycle is a cyclic process where the nitrogen travels from inorganic form in the atmosphere and to the organic way in the living organisms The krebs cycle Institutional subscription on ScienceDirect All organisms require nitrogen to live and grow The movement of nitrogen between the atmosphere, biosphere, and

carbon cycle Free-living nitrogen-fixing bacteria are abundant in the soil and convert gaseous nitrogen into ammonium by reducing it This reduction is endothermic,