University of Minnesota, Agricultural Extension Service2016-08-232016-08-231975-04https://hdl.handle.net/11299/181891This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enExtension newsletter.Reaching people with information : press, publications, radio, television, visual aids (1975:April 25)Newsletter or Bulletin