Nitrogen is both an essential nutrient and a pollutant, a byproduct of fossil fuel combustion and a fertilizer that feeds billions, a benefit and a hazard, depending on form, location, and quantity. Agriculture, industry ...
Environment
Jan 17, 2012
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Studies by U.S. Department of Agriculture (USDA) scientists indicate that organic farmers who need to periodically amend their soils with compost after planting can still control weeds -- and hold down costs -- by using fabric ...
Environment
Aug 30, 2011
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Research has documented the rise of nutrient runoff from flat agricultural fields with high rates of precipitation that adds nitrates and phosphates to waterways.
Environment
Mar 29, 2011
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The problem with phosphorus, a critical element in fertilizers and food, is, as comedian Rodney Dangerfield would say, that it "can't get no respect."
Environment
Feb 11, 2011
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Agricultural nonpoint source pollution has been listed as one of the leading sources of pollution in rivers and water bodies throughout the world. Environmental regulators and scientists are making concerted efforts to reduce ...
Environment
Feb 16, 2010
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Herbicide drift, which occurs when pesticides "drift" from the targeted application area to a nearby non-targeted area, is a particular concern in Midwestern regions of the United States. In the Midwest, where the topography ...
Ecology
Mar 25, 2009
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