According to the Kansas State Highway Patrol, the accident happened on K7 Highway at 225th Road near Fanning.
Roger Ross, 54, of Troy, was traveling north on K7 in a John Deere tractor. According to the trooper's report, Ross attempted to turn left onto 225th Road and the semi truck, driven by Donald Shaw, 72, of Wathena, tried to pass the tractor. The truck hit the tractor.
Ross suffered injuries in the impact. He was taken to Heartland Hospital in St. Joseph where his is listed in serious condition.
Shaw was not injured.