Manures and other organic residuals (e.g., biosolids, food processing wastes) and many commercial fertilizers available to producers contain nitrogen (N). Nitrogen is an important plant nutrient that ...

Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities have ... can leach out of the soil, enter streams and rivers, and ultimately make its way into our drinking ...

Modelling soil carbon and nitrogen cycles during land use change ... Terrestrial sedimentation and the carbon cycle: Coupling weathering and erosion to carbon burial. Global Biogeochemical ...

This is when bacteria in the soil convert the nitrate back into nitrogen gas which then gets released back into the atmosphere.