Hays, Willet M.University of Minnesota. Agricultural Division2017-01-312017-01-311894-12Hays, Willet M. Forage and grain crops. 1894. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 40, page 233-292https://hdl.handle.net/11299/183781This archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu/enNewsletter or Bulletin