Nature has its own economy, with trading as dynamic as that of any stock exchange. To cope with nutrient deficiencies in their respective habitats, certain plants, animals and fungi have evolved partnerships by which they ...
Environment
Mar 10, 2016
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Modern corn hybrids produce more plant material and take up, on average, the same amount of nitrogen as earlier varieties, in spite of being more crowded and having less nitrogen available per plant, a Purdue University review ...
Ecology
Mar 8, 2016
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The USDA's Farm Service Agency established the Conservation Reserve Program (CRP) 30 years ago in an effort to improve water quality, reduce soil erosion, and increase habitat for sensitive wildlife species. The program pays ...
Environment
Feb 24, 2016
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In the southeastern United States, eggplant is often produced with high levels of irrigation water and nitrogen fertilizer. Excessive irrigation rate not only wastes water and contributes to nitrogen leaching, and may also ...
Environment
Jan 11, 2016
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Nitrogen fixation is one of the best examples of cooperation in nature. Soil microbes - naturally occurring bacteria in the soil - work with plants to pull nitrogen from the air. They turn the nitrogen into a form the plant ...
Environment
Jan 6, 2016
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Nitrogen (N) is an essential nutrient for plant growth, and nitrogen fertilization - including the application of manures - is a major management strategy in agriculture across the globe. However, the overuse and misuse of ...
Environment
Jan 4, 2016
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Agricultural soils provide the basis for more than 90 percent of the global food production, but throughout the world there are serious threats to soil quality. Soil degradation reduces its fertility and threatens food supply ...
Environment
Dec 8, 2015
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3
Nitrification plays a key role in Earth's natural nitrogen cycle and in agriculture. Now an international team of scientists led by Holger Daims and Michael Wagner, microbiologists at the University of Vienna, has discovered ...
Cell & Microbiology
Nov 30, 2015
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55
The global population is expected to increase by two to three billion people by 2050, a projection raising serious concerns about sustainable development, biodiversity and food security.
Environment
Nov 23, 2015
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636
Beavers, once valued for their fur, may soon have more appreciation in the Northeastern United States. There they are helping prevent harmful levels of nitrogen from reaching the area's vulnerable estuaries. By creating ponds ...
Environment
Oct 21, 2015
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