Waters, Luther, Jr.Boldt, Paul F.Lofgren, John A.Noetzel, David M.Pfleger, F. L.Bissonnette, Howard L.2014-12-302014-12-301980https://hdl.handle.net/11299/16903030 pages; includes formulations. 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.en-USNewsletter or Bulletin