News tagged with weeds

Roundup resistant weeds pose environmental threat

(AP) -- When the weed killer Roundup was introduced in the 1970s, it proved it could kill nearly any plant while still being safer than many other herbicides, and it allowed farmers to give up harsher chemicals and reduce ...

dateJun 21, 2010 in Ecology
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Eliminating weeds could put more cows on the pasture

A weed calculator developed by an Agricultural Research Service (ARS) scientist tells ranchers the number of additional cows they could raise if they eliminated one or two widespread exotic invasive weeds.

dateApr 28, 2010 in Other
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Spread of Western Juniper Seeds Studied

(PhysOrg.com) -- Aromatic, evergreen foliage and plump, dusty-blue to nearly purple berries make western juniper appealing, whether it's a small shrub or a lofty tree. The trouble is, during the past 100 years ...

dateNov 05, 2009 in Ecology
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Organic weed control options for highbush blueberry

Research scientists at Nova Scotia Agricultural College have been working steadily to find effective organic methods to control weeds in cultivated blueberry crops. One resulting study, published in a recent ...

dateNov 04, 2009 in Ecology
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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.

dateOct 19, 2009 in Environment
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