Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities have ... and ultimately make its way into our drinking water. The process of making synthetic fertilizers ...

And often, eutrophic water bodies can no longer be used for fishing, swimming, boating or other recreational activities. Can I Test My Soil for Nitrogen? Unlike other plant nutrients, most ...

Nitrogen gas makes up 78% of Earth’s atmosphere and is an essential component in amino acids and proteins. However, plants and animals cannot use nitrogen gas directly. Nitrates and other ...

Dr. Ashley Martin: "A large ammonium reservoir would have been very beneficial for early life, providing the nitrogen source ...

It was assumed that the high levels of oxygen combined with the low amount of dissolved organic matter in the marine water column ... impact on the oceanic nitrogen cycle compared to that of ...