Source: Tom Polansek, REUTERS, 11/1/17

U.S. farmers have overwhelmed state governments with thousands of complaints about crop damage linked to new versions of weed killers, threatening future sales by manufacturers Monsanto Co (MON.N) and BASF SE (BASFn.DE). Monsanto is banking on weed killers using a chemical known as dicamba - and seeds engineered to resist it - to dominate soybean production in the United States, the world’s second-largest exporter. 

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