Super Weeds Pose Growing Threat to U.S. Crops

By Carey Gillam PAOLA, Kansas (Reuters) – Farmer Mark Nelson bends down and yanks a four-foot-tall weed from his northeast Kansas soybean field. The “waterhemp” towers above his beans, sucking up the soil moisture and nutrients his beans need to grow well and reducing the ultimate yield.

Original post:
Super Weeds Pose Growing Threat to U.S. Crops