Diehl, John R.Day, Billy N.Stevermer, Emmett J.Hodson, Harold H., Jr.Knight, James W.Levis, DonMiller, PamPursel, Vernon2019-09-182019-09-181984-10https://hdl.handle.net/11299/2073281 online resource (PDF, 6 pages)This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enReport