News tagged with soil quality
USDA irrigation research: Good to the last drop
U.S. Department of Agriculture (USDA) scientists are ensuring that farmers in the Pacific Northwest are benefiting from every drop of crop irrigation water.
May 23, 2012 |
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Sustainability threatened by rising demand for livestock products
Global demand for meat, milk and eggs has tripled in the past four decades and is expected to double by 2050. Increased global livestock production has great impacts on the environment and increases global warming. A major ...
Mar 09, 2012 |
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Natural levels of nitrogen in tropical forests may increase vulnerability to pollution
(PhysOrg.com) -- Waterways in remote, pristine tropical forests located in the Caribbean and Central America contain levels of nitrogen comparable to amounts found in streams and rivers flowing through polluted forests in ...
Mar 06, 2012 |
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A novel strategy to reduce farm runoff will be tested starting in Minnesota
Minnesota will be the nation's first test site for a novel federal program designed to stem the flow of agricultural pollution that is strangling some of the country's great waterways, including the Chesapeake Bay, the Gulf ...
Jan 17, 2012 |
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Peacekeeping creatures help maintain woodland diversity
Common woodland creatures, including woodlice, millipedes and worms, can help ensure the survival of weaker species of woodland fungi, according to new research from Cardiff University.
Sep 20, 2011 |
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Research shows that soil calcium limits forest songbirds
Acid rain and subsequent calcium depletion of forest soils in eastern North America may be limiting forest songbird populations, according to a researcher in Penn State's College of Agricultural Sciences.
Sep 07, 2011 |
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Corn yields with perennial cover crop are equal to traditional farming
Soil quality, water quality, and possibly even farm profits will all benefit by using a perennial cover crop on corn fields that allows for similar yields to traditional farming methods, according to Iowa ...
Jul 25, 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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Wet spring seriously delays planting and harvesting for Pa. farmers
Spring was so wet this year in parts of Pennsylvania that eventual crop yields may be in jeopardy due to delayed planting, according to experts in Penn State's College of Agriculture Sciences.
Jun 14, 2011 |
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Earth's soils are under threat, scientists warn in Nature
The planet's soils are under greater threat than ever before, at a time when we need to draw on their vital role to support life more than ever, warns an expert from the University of Sheffield today in the journal Nature.
Jun 08, 2011 |
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Big clue to future climate change in small plants
Yarrow, it's called, this flowering plant also known as "little feather" for the shape of its leaves. Prized as a garden plant that repels unwanted insects while attracting beneficial ones, it also improves ...
May 19, 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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Biofuels without competing claims in Mozambique
It might not seem the most obvious option to generate energy using biomass in Mozambique, where agriculture barely manages to feed the population. But Wageningen UR researchers concluded the contrary: Small bioreactors can ...
Apr 26, 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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Alternatives eyed for methyl bromide
U.S. Department of Agriculture (USDA) scientists trying to help Florida growers find a replacement for methyl bromide are studying an alternative soil treatment that uses molasses as one of its ingredients.
Mar 16, 2011 |
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