ahlam1399
09-01-2016, 10:13 PM
There's new and detailed data on the impact of genetically modified crops on pesticide use. Those crops replaced insecticides, and, at first, some herbicides. But herbicide use has rebounded.
أكثر... (http://www.npr.org/sections/thesalt/2016/09/01/492091546/how-gmos-cut-the-use-of-pesticides-and-perhaps-boosted-them-again?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thesalt/2016/09/01/492091546/how-gmos-cut-the-use-of-pesticides-and-perhaps-boosted-them-again?utm_medium=RSS&utm_campaign=news)