|Archives Research Center, 1707 S. Orchard Street||1-4|
Soil Record Log Books, 1895-1966, from 55 agricultural experimental stations throughout Illinois. Statistical data and field notes from different researchers record yearly analysis of crop yields, use of manure and chemical fertilizer, soil treatments, crop rotation, rainfall, seeds, and pests and insects. Crops include corn, soybean, wheat, straw, clover, potatoes, grains, oats, alfalfa and cowpeas.
Series log book 1 (1895-1912) includes an alphabetical index to plot names for log books 1-19.