Robinson, R. G.Soine, O. C.2014-12-302014-12-301961-05https://hdl.handle.net/11299/16879012 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-USSunflower production in MinnesotaNewsletter or Bulletin