The Agar series consists of very deep, well drained soils formed in loess on uplands.
Permeability is moderate.
Slopes range from 0 to 9 percent. When described the soil was dry throughout. Depth to carbonates ranges from 11 to 26 inches. Thickness of mollic epipedon ranges from 7 to 20 inches. The A horizon has hue of 10YR, value of 4 or 5 and 2 or 3 moist, and chroma of 1 or 2.