WI Established Series Rev. The Willette series consists of very deep, very poorly drained organic soils. They formed in organic material 16 to 51 inches thick overlying clayey deposits in depressions on lake plains, ground moraines and end moraines.
Permeability is rapid in the organic layers and slow in the clayey material.
Slope ranges from 0 to 2 percent. Willette muck - cultivated. The depth to the clayey 2C horizon typically is 20 to 40 inches but ranges from 16 to 51 inches. The fiber is derived from both woody and herbaceous material. Some pedons have layers within the organic portion of the control section that are dominantly woody fiber.