News tagged with herbicides
Genetically engineered crops benefit many farmers, but the technology needs proper management to remain effective
Many U.S. farmers who grow genetically engineered (GE) crops are realizing substantial economic and environmental benefits -- such as lower production costs, fewer pest problems, reduced use of pesticides, and better yields ...
Apr 13, 2010 |
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Prior herbicide use -- not irrigation -- is critical to herbicide efficacy
Crop and herbicide use history are more critical to herbicide efficacy and environmental safety than the timing and amount of irrigation water used, according to Agricultural Research Service (ARS) scientists.
Mar 17, 2010 |
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Plant buffers may limit spread of antibiotics in animal waste
Research by scientists at the University of Missouri Center for Agroforestry suggests that buffer strips of grasses and other plants can trap and break down veterinary antibiotics in manure fertilizers.
Feb 12, 2010 |
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US Parkinson's rates highest in whites, Hispanics, and Midwest, Northeast
The largest epidemiological study of Parkinson's disease in the United States has found that the disease is more common in the Midwest and the Northeast and is twice as likely to strike whites and Hispanics ...
Medicine & Health / Diseases, Conditions, Syndromes
Jan 27, 2010 |
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Sweet corn study provides large-scale picture of better fields
In what amounted to a kind of census of sweet corn grown for processing, three years of data from 175 fields in Illinois, Wisconsin, and Minnesota shed light on what works and what doesn't. Along with identifying the most ...
Jan 05, 2010 |
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Even at sublethal levels, pesticides may slow the recovery of wild salmon populations
Biologists determined that short-term, seasonal exposure to pesticides in rivers and basins may limit the growth and size of wild salmon populations. In addition to the widespread deterioration of salmon habitats, these findings ...
Dec 16, 2009 |
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Decades-old dioxins pollute river, divide US community
The signs posted along Michigan's Tittabawassee River warning of dangerous dioxin levels don't really worry fisherman David Mitchell.
Dec 13, 2009 |
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The future of organic ornamental plants
Whether plants are grown for food or ornamental use, conventional agricultural production methods have the same environmental impact. Pesticides, herbicides, and chemical fertilizers can find their way into ...
Dec 11, 2009 |
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Microorganism may provide key to combating giant salvinia throughout Louisiana
A team of researchers at Louisiana Tech University has found that a naturally occurring microorganism acts as a natural herbicide against giant salvinia.
Nov 19, 2009 |
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Crops and Weeds: Climate Change's First Responders
(PhysOrg.com) -- A team of Agricultural Research Service (ARS) plant physiologists is studying how global climate change could affect food crop production--and prompt the evolution of even more resilient weeds.
Nov 11, 2009 |
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Scientists examine how common pesticide mixes may affect bee die-offs
(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 ...
Oct 29, 2009 |
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Understanding Why Rye Works as a Cover Crop
(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.
Oct 19, 2009 |
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Organic weed control for dandelions
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 ...
Sep 08, 2009 |
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Understanding how weeds are resistant to herbicides
In a little over seven hours, University of Illinois weed scientist Patrick Tranel got more genetic information about waterhemp than in two years time in a lab. The genetic information was obtained using pyrosequencing technology ...
Aug 05, 2009 |
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Herbicide diversity needed to keep Roundup effective
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.
Jul 13, 2009 |
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