Missouri Soil Horizons
A.
B.
C.
D.
A. Well-drained soil with a thin A Horizon over a B Horizon B. Extremely cobbly fragipan layer at 24� - 36� C. Well-drained soil formed in colluviam and the underlying residuum D. The B Horizon in the profile shows welldeveloped prismatic structure. E. Thick, black A Horizon; highly organic, with a poorly drained, gray B Horizon
E.
6
F.
F. Brown A Horizon, light brown B Horizon with a dense layer at about 15 inches preventing root penetration
From the Ground Down