News tagged with herbicide residues
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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Search results for herbicide residues
Toxic chromium found in Chicago's drinking water
Chicago's first round of testing for a toxic metal called hexavalent chromium found that levels in local drinking water are more than 11 times higher than a health standard California adopted last month.
Aug 08, 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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Identifying factors in atrazine's reduced weed control
Invasive broadleaf weeds can destroy corn crops and fallow fields. Farmers use the chemical atrazine in herbicides to protect their plants. Despite atrazine's controversial environmental impacts, it can provide long term ...
Jan 20, 2011 |
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Compost filter socks improve runoff from croplands
Water runoff from cropped farm fields can contain large amounts of eroded soil as well as some of the fertilizer and herbicide. Expanding on existing conservation practices, a team of scientists has tested whether compost ...
Jun 21, 2010 |
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Sudangrass recommended to combat Canada thistle
Farmers who don't rely on or want to minimize the use of chemical herbicides need creative solutions to win the battle against aggressive perennial weeds. In ongoing research at the University of Illinois on Canada thistle, ...
May 05, 2010 |
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Cover crop mulches tested for no-till organic onions
Conservation tillage encompasses a range of techniques for establishing crops in the previous crop's residues, which are purposely left on the soil surface. The principal benefits of conservation tillage are ...
Apr 21, 2010 |
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Legumes can Reduce Need for Nitrogen Fertilizer
(PhysOrg.com) -- Adding legumes to a crop rotation has many benefits, including reducing the need for external nitrogen input.
Mar 29, 2010 |
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Herbicide-tolerant crops can improve water quality
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 ...
Apr 22, 2008 |
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Can hemp help the everglades?
Within Southern Florida, soil and water conditions indicate potential for leaching from the use of atrazine-based herbicides in corn crops. Scientists from USDA-Agricultural Research Service (ARS) and University ...
Aug 06, 2007 |
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Earth's dirty little secret: Slowly but surely we are skinning our planet
Throughout history civilizations expanded as they sought new soil to feed their populations, then ultimately fell as they wore out or lost the dirt they depended upon. When that happened, people moved on to ...
Space & Earth / Earth Sciences
Apr 16, 2007 |
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List of search results for herbicide residues
