Soine, Olaf C.2014-07-082014-07-081975Soine, Olaf C. 1975.Effect of Six Four-year Rotations on Yield, Quality, and Monetary Return of Sugarbeets in the Red River Valley,(1971-74). Saint Paul, MN:University of Minnesota, Agricultural Experiment Station. Station bulletin 514.https://hdl.handle.net/11299/163819Twelve page bulletin covers: Materials and methods ; Cropping and fertilization plan ; Results and Discussions ; Crop yields ; Sugarbeet root yields ; Percentage of sugar ; Recoverable sugar ; Impurity index....This 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/en-USNewsletter or Bulletin