Hueg, W. F. Jr.Otto, H. J.Lambert, J. W.Caldwell, A. C.Kennedy, B.2014-12-302014-12-301962-06https://hdl.handle.net/11299/16843220 pages; includes photographs. 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