The results of a study carried out by two researchers from the Universidad Politécnica de Madrid show that management practices oriented toward reducing nitrogen losses and maintaining farm productivity should rely on optimizing ...
Environment
Jan 17, 2017
0
6
The quality of our rivers and lakes could be placed under pressure from harmful levels of soluble phosphorus, despite well-intended measures to reduce soil erosion and better manage and conserve farmland for crop production, ...
Environment
Jan 13, 2017
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13
For centuries drought has come and gone across northern sub-Saharan Africa. In recent years, water shortages have been most severe in the Sahel—a band of semi-arid land situated just south of the Sahara Desert and stretching ...
Environment
Jan 10, 2017
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80
The loss of fertile topsoil from agricultural fields is an economic problem for modern farmers. When runoff water washes topsoil from agricultural fields in areas with claypan soils under the topsoil, including parts of Missouri, ...
Environment
Dec 13, 2016
0
13
The Earth's critical zone isn't called critical for nothing. Known as our planet's outer skin, it is essential for human survival.
Environment
Dec 7, 2016
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6
While we already knew that plant roots were capable of sensing many individual soil characteristics (water, nutrients and oxygen availability), we did not have any understanding of how they integrated these signals in order ...
Biotechnology
Sep 15, 2016
0
323
Soil water infiltration, or the ability of soil to absorb water and allow it to move through different soil layers, is an important environmental factor in forests, especially forests undergoing logging operations. This property ...
Environment
Aug 17, 2016
0
116
The starting point often changes the finish. A team led by researchers at Pacific Northwest National Laboratory modeled runoff, that is, water's movement over the land surface and through the subsurface, using two widely ...
Environment
Aug 1, 2016
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9
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
Approximately 25 to 50 percent of a living tree is made up of water, depending on the species and time of year. The water stored in trees has previously been considered just a minor part of the water cycle, but a new study ...
Environment
Jul 21, 2016
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