Fertilizers form the backbone of many agricultural processes worldwide. Decades worth of work has been poured into understanding the way in which fertilizers function and the ways in which they can ...

Nitrogen is an essential element required by all life — vital for plant and animal growth and nourishment. But, an overabundance of nitrogen can cause negative ecological effects. Over the past ...

What does nitrogen do for plants? Read on to learn how to improve the health of your plants and how to add nitrogen to soil by fixing the nitrogen cycle in your garden. This article is also in audio ...

Bison graze near Roosevelt Arch, near the north entrance of Yellowstone National Park, in Gardiner, Montana. Millions of the herbivores once ranged the high plains. Credit: Jacob Frank/National Park ...

Nitrogen gets around on Earth. The element moves between the atmosphere, oceans, land, crust, and mantle of the planet. But models of this nitrogen cycle are in need of a major update, a group of ...

A new study shows that nitrogen-feeding organisms exist all over the deep ocean, and not just in large oxygen-depleted 'dead zones,' changing the way we think about the delicate nitrogen cycle.

Under our feet, in the soil, is a wealth of microbial activity. Just like humans have different metabolisms and food choices, so do those microbes. In fact, microbes play an important role in making ...

Vol. 31, No. 2, Optimizing Nitrogen Management in Food and Energy Productions, and Environmental Change (Mar., 2002), pp. 79-87 (9 pages) We analyzed nitrogen budgets at national and regional levels ...

No. 33, ECOLOGICAL BULLETINS NO. 33: Terrestrial Nitrogen Cycles: Processes, Ecosystem Strategies and Management Impacts (1981), pp. 631-642 (12 pages) Nitrogen mineralization and immobilization are ...