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Farmers must spend more on herbicides as effectiveness fades http://apocadocs.com/s.pl?1334767509
A much-used herbicide, which for years has helped farmers throughout the United States increase profits, is losing its effectiveness and forcing producers to spend more and use more chemicals to control the weeds that threaten yields.
The problem is Roundup, a herbicide introduced in the 1970s, and its partner, Roundup Ready crop seeds, genetically modified to withstand Roundup's active ingredient, glyphosate. In 1996, Monsanto introduced Roundup Ready soybean, soon touted as a game changer.
"It was an extremely valuable and useful tool for the past 15 years," said Bob Scott, extension weed scientist with the University of Arkansas.
But now, weeds that Roundup once controlled are becoming resistant to glyphosate, Scott said.
"It's a very, very serious issue here in the Delta," licensed crop consultant Joe Townsend said. "We're knee-deep in it."
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[Read more stories about:
herbicide runoff, endocrine disruptor, GMOs, corporate farming]
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'Doc Michael says:
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Right on time, since Roundup Ready soybean patents expire in 2014!
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