San Francisco-Wilbur-Ellis Co. has purchased the assets of two separate Nebraska crop protection businesses involved in aerial application. They include Muckel’s Aerial Inc. of Prosser and Hastings, and Ag Flight, Inc. of York. Both firms are retailers and aerial applicators of plant protection products. Both Muckel owner Roger Muckel and Ag Flight president and owner Craig Bair will remain with the company and report to Troy Johnson, Midwest area business manager. They will work closely with Greg Krech, South Dakota manager of aerial operations and Mike Karasiewicz, director of business development. Both units will become part of Wilbur-Ellis’s Northern Plains Business Unit.