A herbicide-resistant weed known as palmer amaranth or carelessweed has devastated Southern cotton fields and is poised to wreak havoc in the Midwest, partly because of farming practices. View article – Invader Batters Rural America, Shrugging Off Herbicides ; ;Related ArticlesBy Degrees: In the Ocean, Clues to ChangeLook: Staking Out the Great White SharkHurricane Expected to Be First to Hit Hawaii in 22 Years ;
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