Ammonia (NH3) is vital for agriculture, as it is the basis for fertilizers that are needed to feed the world's population.

Since the mid-1900s, humans have been exerting an ever-increasing impact on the global nitrogen cycle. Human activities, such as making fertilizers and burning fossil fuels, have significantly ...

Nitrogen can be held, and therefore prevented from leaching, in several ways. Soil organic matter not only contains nitrogen itself, but also contains locations for nutrient ions to attach.