News tagged with herbicides
Scientists examine how common pesticide mixes may affect bee die-offs
Oct 29, 2009 |
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(PhysOrg.com) -- Since reports of widespread bee die-offs began to surface in October 2006, researchers have investigated possible reasons ranging from hive-infecting mites to cell phone-tower radiation. They have yet to ...
Understanding Why Rye Works as a Cover Crop
Oct 19, 2009 |
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(PhysOrg.com) -- Agricultural Research Service (ARS) scientists may soon find a way to enhance the weed-killing capabilities of a cereal grain that enriches the soil when used as a winter cover crop.
Organic weed control for dandelions
Sep 08, 2009 |
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Spring and summer often find homeowners out in their yards, busily attempting to control the onslaught of dandelions in a quest for green, weed-free lawns. Dandelions, broadleaf perennial plants that have a questionable reputation ...
Researchers describe 'implausible' chemistry that produces herbicidal compound
Jun 10, 2009 |
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A soil microbe that uses chemical warfare to fight off competitors employs an unusual chemical pathway in the manufacture of its arsenal, researchers report, making use of an enzyme that can do what no other enzyme is known ...
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Herbicide-tolerant crops can improve water quality
Apr 22, 2008 |
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The residual herbicides commonly used in the production of corn and soybean are frequently detected in rivers, streams, and reservoirs at concentrations that exceed drinking water standards in areas where these crops are ...
Herbicide diversity needed to keep Roundup effective
Jul 13, 2009 |
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Using a diverse herbicide application strategy may increase production costs, but a five-year Purdue University study shows the practice will drastically reduce weeds and seeds that are resistant to a popular herbicide.
Farmers relying on roundup lose some of its benefit
Apr 14, 2009 |
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(PhysOrg.com) -- Roundup Ready crops have made weed control much easier for farmers, but a new study shows their reliance on the technology may be weakening the herbicide's ability to control weeds.
Common herbicides and fibrates block nutrient-sensing receptor found in gut and pancreas
Oct 09, 2009 |
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According to new research from the Monell Center and the Mount Sinai School of Medicine, certain common herbicides and lipid-lowering fibrate drugs act in humans to block T1R3, a nutrient-sensing taste receptor also present ...
Study explores effects of herbicide drift on white oak
Mar 25, 2009 |
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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 ...
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 ...
Limited data suggest possible association between Agent Orange exposure
Jul 24, 2009 |
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A new report from the Institute of Medicine finds suggestive but limited evidence that exposure to Agent Orange and other herbicides used during the Vietnam War is associated with an increased chance of developing ischemic ...
Ethanol byproduct produces green results
Jul 02, 2008 |
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Commercial flower and plant growers know all too well that invasive, ubiquitous weeds cause trouble by lowering the value and deterring healthy growth of potted ornamental plants. To control weeds, many commercial ...
Corn, soy yields gain little from genetic engineering: study
Apr 14, 2009 |
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The use of genetically engineered corn and soybeans in the United States for more than a decade has had little impact on crop yields despite claims that they could ease looming food shortages, a study released ...
Keeping yields, profits and water quality high
May 08, 2008 |
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One of the key questions facing agriculturalists in the 21st century is how to produce adequate amounts of food and farm income while protecting environmental quality. Diversified, low-external-input (LEI) farming systems ...
List of search results for herbicides
