Snyder, HarryUniversity of Minnesota. Division of Agricultural Chemistry and Soils2017-02-032017-02-031907-09Snyder, Harry. Soil investigations: fertilizer tests with wheat and corn; influence of fertilizers upon the composition and quality of wheat; a comparison of chemical methods and field tests for determining the fertilizer requirements of soils. 1907. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 102, page 1-38https://hdl.handle.net/11299/183846This 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