News tagged with journal of environmental quality
Simulating pharmaceutical and personal care product transport
May 19, 2009 |
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Pharmaceuticals and personal care products (PPCPs) carried in biosolids (i.e., treated sewage sludge) may reach surface waters or groundwater when these materials are applied as fertilizer to agricultural land. During the ...
Landfill cover soil methane oxidation underestimated
Apr 27, 2009 |
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Landfilled waste decomposes in the absence of oxygen and results in the production of methane. Landfills are classified as the second-largest human-made source of CH4 in the U.S. Additionally, landfill gas contains numerous ...
Nitrate stimulates greenhouse gas production in small streams
Mar 30, 2009 |
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Nitrous oxide is a potent greenhouse gas that has been accumulating in the atmosphere since the industrial revolution. It is well known that fertilizer can stimulate nitrous oxide production in soils, but less is known about ...
Transport behavior of E. coli varies depending on manure source
Mar 09, 2009 |
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Escherichia coli is a commonly used indicator organism for detecting the presence of fecal contamination in drinking water supplies. The importance of E. coli as an indicator organism has led to several studies looking at th ...
New tool gets handle on cropland CO2 emissions
Feb 09, 2009 |
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For the first time, farmers have data that tracks at the county level on-site and off-site energy use and carbon dioxide emissions associated with growing crops in the United States.
Tracking poultry litter phosphorus: Threat of accumulation?
Jan 28, 2009 |
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The Delmarva Peninsula, flanking the eastern shore of the Chesapeake Bay, is home to some 600 million chickens. The resulting poultry manure and some of the chicken house bedding material is usually composted and then spread ...
Low level herbicide use can damage potato reproduction
Biology /
Jan 07, 2009 |
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Currently, plant testing in the United States to determine potential ecological risks from chemical pesticides to nontarget plants requires two tests, both of which use immature plants. Protection of the plant development ...
Models simulate nitrate dynamics in Garonne, Southwest France
Jan 05, 2009 |
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The over-enrichment of fresh, transitional, and marine waters with nitrogen (N) can lead to problems associated with eutrophication, such as a change in species composition of aquatic plants and nuisance algal blooms. In ...
