Fertilizers provide mixed benefits to soil in 50-year Kansas study
Fertilizing with inorganic nitrogen and phosphorus definitely improves crop yields, but does it also improve the soil?
Apr 29, 2013
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Apr 29, 2013
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Antibiotic-eating bug unearthed in soil
It's well known how bacteria exposed to antibiotics for long periods will find ways to resist the drugs—by quickly pumping them out of their cells, for instance, or modifying the compounds so they're no longer toxic.
Dec 07, 2012
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The Phosphorus Index: Changes afoot
Phosphorus (P) is both an essential nutrient in agricultural fields and a contributor to poor water quality in surface waters. To encourage improved P management in fields, the P Index was proposed as a risk assessment tool ...
Nov 06, 2012
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Crop performance matters when evaluating greenhouse gas emissions: study
Measuring the emission of greenhouse gases from croplands should take into account the crops themselves.
Sep 06, 2011
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Urban impacts on phosphorus in streams
Although phosphorus is an essential nutrient for all life forms, essential amounts of the chemical element can cause water quality problems in rivers, lakes, and coastal zones. High concentrations of phosphorus in aquatic ...
Aug 11, 2011
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Testing fumigant films that keep the air clean
Grazing management effects on stream pollutants
Surface water quality is important for the proper function of aquatic ecosystems, as well as human needs and recreation. Pasturelands have been found to be major sources of sediment, phosphorus and pathogens in Midwest surface ...
Jul 21, 2011
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Analyzing agroforestry management
The evaluation of both nutrient and non-nutrient resource interactions provides information needed to sustainably manage agroforestry systems. Improved diagnosis of appropriate nutrient usage will help increase yields and ...
Jun 28, 2011
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Pesticide impact: Comparing lab, field-scale results
Assessing the environmental risk of pesticide use is an important, complex task that requires knowledge of the equilibrium sorption parameter. This helps researchers assess the risk of pesticides leaching into groundwater. ...
Jun 15, 2011
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Study probes sources of Mississippi River phosphorus
In their eagerness to cut nitrogen and phosphorus pollution in the Mississippi River and Gulf of Mexico, people have often sought simple explanations for the problem: too many large animal operations, for instance, or farmers ...
May 06, 2011
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SequesTech: A novel process to capture and mineralize flue gas carbon dioxide
(PhysOrg.com) -- A process that directly captures flue gas carbon dioxide from the combustion process and holds it has earned a patent for the University of Wyoming.
May 05, 2011
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Can biochar help suppress greenhouse gases?
Nitrous oxide is a potent greenhouse gas and a precursor to compounds that contribute to the destruction of the ozone. Intensively managed, grazed pastures are responsible for an increase in nitrous oxide emissions from grazing ...
Apr 20, 2011
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Can biochar help suppress greenhouse gases?
Nitrous oxide is a potent greenhouse gas and a precursor to compounds that contribute to the destruction of the ozone. Intensively managed, grazed pastures are responsible for an increase in nitrous oxide ...
Mar 18, 2011
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Could oysters be used to clean up Chesapeake Bay?
Chronic water quality problems caused by agricultural and urban runoff, municipal wastewater, and atmospheric deposition from the burning of fossil fuels leads to oxygen depletion, loss of biodiversity, and harmful algal ...
Jan 21, 2011
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Drinking recycled water?
The Australian Government National Water Commission funded a study to establish an approach to assess the quality of water treated using managed aquifer recharge. Researchers at Australia's CSIRO Land and Water set out to ...
Jan 06, 2011
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