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2009-10-08 | permalink
Superweeds out-flank glyphosate: calling for cultivators
Chemical-based no-till farming rose to prominence in the ’70s thanks to the efficacy and low cost of glyphosate-based herbicides, which offered broad-spectrum weed control. Initially a burndown treatment, they became over-the-top weed controls as varieties were modified genetically to tolerate the lethal chemistry. [...] As predicted from the start by weed ecologists, repeated use of glyphosate on the same weed species in the same crops year after year had an unwanted result. More weed varieties are surviving the chemical that used to kill every plant that had not been genetically designed to withstand its biological monkey-wrenching.
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News
2009-10-08 | permalink
Superweeds out-flank glyphosate: calling for cultivators
Chemical-based no-till farming rose to prominence in the ’70s thanks to the efficacy and low cost of glyphosate-based herbicides, which offered broad-spectrum weed control. Initially a burndown treatment, they became over-the-top weed controls as varieties were modified genetically to tolerate the lethal chemistry. [...] As predicted from the start by weed ecologists, repeated use of glyphosate on the same weed species in the same crops year after year had an unwanted result. More weed varieties are surviving the chemical that used to kill every plant that had not been genetically designed to withstand its biological monkey-wrenching.
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