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 ...

The Nitrogen Cycle Let’s begin our discussion of the N cycle in a typical grain crop rotation (corn, wheat, double-crop beans) by considering the plant residue left on the field surface after harvest.

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

Soil carbon storage is a vital ecosystem service, resulting from interactions of ecological processes. Human activities affecting these processes can lead to carbon loss or improved storage. Aa Aa ...

Nitrogen gas makes up 78% of Earth’s atmosphere ... which moves the mineral from an area of low concentration in the soil to an area of high concentration, against a concentration gradient ...