Nitrogen deposition caused by human activities can lead to an increased phytoplankton production in boreal lakes. The response of boreal lakes to nitrogen deposition will strongly depend on each lake's content of organic ...
Environment
Feb 6, 2017
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A study published today in Ecology Letters adds to a growing body of work examining the relationship between harmful algal blooms in the Gulf of Mexico and agricultural runoff. The article focuses on water chemistry, specifically ...
Environment
Oct 17, 2016
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What's good for crops is not always good for the environment. Nitrogen, a key nutrient for plants, can cause problems when it leaches into water supplies. University of Illinois engineers developed a model to calculate the ...
Environment
Jul 26, 2016
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25
In the battle against weeds, tillage is one of the strongest weapons at the disposal of organic or ecologically based farmers. But, depending on when it is used, tillage can also be a strong driver of nitrogen losses that ...
Environment
Sep 30, 2015
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For nature and chemists alike, making atmospheric nitrogen available for the formation of more complex nitrogen compounds is both essential and difficult. In the European Journal of Inorganic Chemistry, Paul Chirik and Scott ...
Materials Science
Apr 5, 2013
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Nonnative species can affect the biogeochemistry of an ecosystem. For instance, Pacific salmon have been introduced as a sport fishery in many streams and lakes beyond their native range, but their introduction may be altering ...
Ecology
Apr 5, 2013
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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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0
NOx gases is the generic term used to refer to the group of gases made up of nitric oxide and nitrogen dioxide, gases that result from burning fossil fuel, and also from forest fires, volcanic eruptions and natural processes ...
Environment
Jan 15, 2020
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10
A team of agrochemists from Russia, Germany, and Chile confirmed the so-called ferrous wheel hypothesis—the turnover of iron in the soil that enriches it with organic nitrogen. The results of the study were published in ...
Earth Sciences
Apr 12, 2019
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7
In the production of organic vegetables, nitrogen is important, yet can be quite costly to manage. Nitrogen management is even more challenging when production practices call for the use of polyethylene mulch combined with ...
Environment
Mar 25, 2015
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