Mean annual temperature is 56 degrees F. and mean annual precipitation is 38 inches. Wakenda silt loam - on a 2 percent slope in a cultivated field. Solum thickness typically is 50 to 60 inches but ranges from 40 to more than 65 inches. The mollic epipedon ranges from 10 to 24 inches in thickness. These soils have less than 10 percent sand in the series control section.
Reaction is moderately acid to neutral throughout.
The Bt horizon has color value of 3 or 4 and chroma of 2 to 4 in the upper part, and value of 4 or 5 and chroma of 3 or 4 in the lower part. Mottles of both high and low chroma are evident in the lower part of the Bt horizon. It is silty clay loam or silt loam. Clay percentage averages 27 to 35 percent, but ranges to 25 percent. The C horizon has color value of 4 or 5, and chroma of 2 to 4.