Contacts


You can contact the extension specialist in your state if you have additional questions or are having difficulty with the calculations.

Illinois: Emerson Nafziger 217-333-4424 ednaf@uiuc.edu
Indiana: Jim Camberato 765-496-9338 jcambera@purdue.edu
Iowa: John Sawyer 515-294-7078 jsawyer@iastate.edu
Michigan: Kurt Steinke 517-355-0271 ksteinke@msu.edu
Minnesota: Dan Kaiser 612-624-3482 dekaiser@umn.edu
Ohio: Steve Culman 330-263-3787 culman.2@osu.edu
Wisconsin: Carrie Laboski 608-263-2795 laboski@wisc.edu

Publication