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English: cotton plant, Texas, 1996, after chemical haulm (topkilling Chemical ; usually by the Monosodium methyl arsenate used to quickly kill the leaves that would interfere with harvesting machines). This chemical is a growing source of residual contamination of soils by arsenic, which is not degradable; Photo courtesy of USDA Natural Resources Conservation Service.
Français : Plants de coton photographié juste avant la récolte, ici au Texas, en 1996, après défanage chimique (généralement par du Méthane arsonate monosodique, pesticide herbicide utilisé pour rapidement tuer les feuilles qui gêneraient les machines de récolte. Ce produit chimique est source de pollution résiduelle croissante des sols par l' arsenic qui n'est pas dégradable. Photo de l'USDA Natural Resources Conservation Service (Open data)

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Public domain This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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