Arthaud, R.L.Meiske, J.C.Hanke, H.E.Jacobs, R.E.Goodrich, R.D.Anderson, J.F.Hilgren, J.D.Rust, J.W.2019-06-182019-06-181977https://hdl.handle.net/11299/203659This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.encow calendarReport