WELLMAN, Iowa (AP) — Authorities say a man died after he was struck by a chemical sprayer on a farm in eastern Iowa. The accident occurred around 1 p.m. Monday in rural southwest Johnson County. Authorities say 65-year-old Merlyn Yoder, of Wellman, died after being struck and rolled over by the sprayer. He was pronounced dead at the scene. The Johnson County Sheriff’s Office is investigating.