N.E Hansen's research notebook regarding field experiments for grasses and grains in 1888 and 1889. The field consisted of 66 plots. He studied 92 varieties in total including: 22 grasses, 9 clovers, 20 wheats, 23 oats, 14 barleys, 1 rye. Hansen was assisted by John M. Aldrich, Alvah George Cross, and J.G. Ross.

Field research notebook of N.E. Hansen. Alfalfa, grasses, corn, flax, wheat, millet, sorghum and clover plats planted 1906. Some plats identified as being in Highmore, South Dakota. The notebook mentions plats that were taken from prairie land. Handwritten.