Arny, A. C.2017-02-112017-02-111917-10Arny, A.C. Crop Rotation Investigations: Field T Experiments. 1917. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 170, pages 3-55https://hdl.handle.net/11299/184094This 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