Despite its critical role on Earth, our understanding of the global nitrogen cycle is far behind our understanding of the more-publicized global carbon cycle. “Large intact forests have the capacity ...

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 ...

Researchers Explain Nitrogen Paradox In Forests, Illuminating How Ecosystems Respond To Global Warming Date: June 20, 2008 Source: Carnegie Institution Summary: Nitrogen is essential to all life ...

The human element But by the start of the 20th century, human contributions to the nitrogen cycle began skyrocketing. "In fact, no phenomenon has probably impacted the nitrogen cycle more than human ...

How Humans Have Disrupted The Nitrogen Cycle Date: June 5, 2009 Source: Brown University Summary: Researchers have found a new proxy to measure the impact of fossil fuel emissions on the global ...

Nearly a century ago, a German chemist named Fritz Haber figured out a way to tap into the atmosphere's vast reservoir of nitrogen. That innovation led to nitrogen fertilizer, which transformed ...

But models of this nitrogen cycle are in need of a major update, a group of biogeochemists says. The researchers claim the models omit about 15 tera­grams of nitrogen produced by rock weathering ...

Ecological Bulletins, No. 22, Nitrogen, Phosphorus and Sulphur: Global Cycles: Scope Report 7 (1976), pp. 157-167 (11 pages) The major portion of the global nitrogen cycle occurs between vegetation ...

Discovery of New Step in Nitrogen Cycle To Fundamentally Alter Fertilizer Use By Science Department Oct 2, 2017 11:46 pm · Updated Oct 3, 2017 1:29 pm Reading time: about 3 minutes ...

The two forms of nitrogen available to most plants in the soil and water are nitrate (NO3) and ammonium (NH4). The nitrate form of nitrogen is highly soluble in water and will often leach out of ...

Nutrient cycling is one of the most important processes that occur in an ecosystem. The nutrient cycle describes the use, movement, and recycling of nutrients in the environment. Valuable elements ...