Nitrogen is essential for plant growth. Despite the abundance of nitrogen in the atmosphere as N2 gas, plants must rely on a series of chemical reactions to convert atmospheric and other forms of nitrogen into usable forms. ...
Environment
May 2, 2011
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Microorganisms play an important role in global nutrient cycles. A research team led by Christa Schleper, head of the Department of Genetics in Ecology at the University of Vienna, has isolated the first ammonium oxidizing ...
Cell & Microbiology
Apr 25, 2011
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In the search for life on Mars or any planet, there is much more than the presence of carbon and oxygen to consider. Using Earth's biogeochemical cycles as a reference point, elements like nitrogen, iron and sulfur are just ...
Earth Sciences
Feb 2, 2011
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Increasing acidity in the sea's waters may fundamentally change how nitrogen is cycled in them, say marine scientists who published their findings in this week's issue of the journal Proceedings of the National Academy of ...
Environment
Dec 20, 2010
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Climate models that project future atmospheric carbon dioxide concentrations should include a coupled nitrogen cycle, a team of researchers led by Oak Ridge National Laboratory has concluded.
Environment
Nov 16, 2010
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Humans are overloading ecosystems with nitrogen through the burning of fossil fuels and an increase in nitrogen-producing industrial and agricultural activities, according to a new study. While nitrogen is an element that ...
Environment
Oct 7, 2010
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When fire burns down a forest, nitrate levels go up, and the effects are persistent, according to recent research from University of Montana scientists. They found that charcoal deposited during fire events has the potential ...
Environment
Aug 9, 2010
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Texas AgriLife Research scientists in Amarillo are embarking on a new study amid recent concerns over greenhouse gas emissions from crop fertilization, tillage and feed yard operations.
Environment
Apr 5, 2010
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Large-scale distributions of two important nutrient pools - dissolved organic nitrogen and dissolved organic phosphorus (DON and DOP) have been systematically mapped for the first time over the Atlantic Ocean in a study led ...
Earth Sciences
Nov 3, 2009
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(PhysOrg.com) -- Scientists have identified an unexpected metabolic ability in a symbiotic community of deep-sea microorganisms. It may help solve a lingering mystery about the world's nitrogen cycle.
Earth Sciences
Oct 15, 2009
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