LOCATION BANLIC IL+INEstablished Series
TAXONOMIC CLASS: Coarse-silty, mixed, active, acid, mesic Fragic Epiaquepts
TYPICAL PEDON: Banlic silt loam, nearly level, occasionally flooded in a cultivated field.
Ap--0 to 23 cm (0 to 9 inches); brown (10YR 4/3) silt loam, pale brown (10YR 6/3) dry; weak very fine granular structure; friable; few fine roots; neutral; abrupt smooth boundary. (15 to 23 cm or 6 to 9 inches thick)
E--23 to 33 cm (9 to 13 inches); brown (10YR 5/3) silt loam; weak fine subangular blocky structure; friable; few fine roots; common distinct dark grayish brown (10YR 4/2) organic coatings and common distinct light brownish gray (10YR 6/2) clay depletions on faces of peds; few fine rounded concretions of iron and manganese oxide; slightly acid; clear smooth boundary. (10 to 25 cm or 4 to 10 inches thick)
Bg1--33 to 53 cm (13 to 21 inches); light brownish gray (10YR 6/2) silt loam; weak medium and coarse subangular blocky structure; friable; few fine roots; few fine distinct grayish brown (10YR 5/2) organic coatings and many distinct light gray (10YR 7/2) clay depletions on faces of peds; common fine prominent yellowish brown (10YR 5/6) masses of iron and manganese concentrations; few fine rounded iron-manganese concretions; strongly acid; gradual smooth boundary.
Bg2--53 to 76 cm (21 to 30 inches); light brownish gray (10YR 6/2) silt loam; weak medium subangular blocky structure; friable; very few fine roots; many distinct light gray (10YR 7/2) clay depletions on faces of peds; common fine prominent yellowish brown (10YR 5/6) masses of iron and manganese concentrations; common fine and medium rounded iron-manganese concretions; strongly acid; clear smooth boundary. (Combined thickness of Bg horizons is 15 to 50 cm or 6 to 20 inches)
Bgx1--76 to 99 cm (30 to 39 inches); light brownish gray (10YR 6/2) silt loam; weak coarse subangular blocky structure; firm; slightly brittle; few very fine roots between peds; many distinct light gray (10YR 7/2) clay depletions on faces of peds; common fine prominent yellowish brown (10YR 5/6) masses of iron and manganese concentrations; common fine and medium rounded iron-manganese concretions; strongly acid; clear smooth boundary.
Bgx2--99 to 127 cm (39 to 50 inches); light brownish gray (10YR 6/2) silt loam; weak coarse subangular blocky structure; firm; slightly brittle; few fine roots between peds; common distinct light gray (10YR 7/2) clay depletions on faces of peds; common fine prominent yellowish brown (10YR 5/8) masses of iron and manganese concentrations; many fine and medium rounded iron-manganese concretions; strongly acid; clear smooth boundary. (Combined thickness of the Bgx horizons is 12 to 30 inches)
Cg--127 to 152 cm (50 to 60 inches); variegated light brownish gray (10YR 6/2), brown (10YR 5/3), and yellowish brown (10YR 5/6) silt loam; massive; firm; many fine rounded iron-manganese concretions; moderately acid.
TYPE LOCATION: Wayne County, Illinois; approximately 250 feet west and 460 feet south of the northeast corner of sec. 9, T. 2 S., R. 8 E.
RANGE IN CHARACTERISTICS: Depth to the base of soil development is 45 to 65 inches (112 to 140 cm). Depth to fragic soil properties is 15 to 36 inches (38 to 91 cm). The particle-size control section averages 12 to 18 percent clay and contains less than 15 percent sand. Sand content of the A and E horizons is less than 15 percent and includes iron-manganese nodules and concretions.
The Ap or A horizon has value of 4 or 5 (6 or 7 dry) and chroma of 2 or 3. Undisturbed areas have A horizons 2 to 5 inches (5 to 12 cm)in thickness with color value of 3. Texture typically is silt loam, but is silt in some pedons. Clay content is 5 to 18 percent. Reaction is strongly acid to slightly alkaline depending upon liming practices.
The E horizon has value of 4 to 6 (6 to 8 dry) and chroma of 2 or 3. Texture is silt loam. Clay content is 12 to 18 percent. Reaction typically is very strongly acid or strongly acid, and ranges to neutral in limed pedons.
The Bg or Bw horizon has value of 5 or 6 and chroma of 2 or 3. Redoximorphic iron depletions and accumulations have hue of 7.5YR, 10YR, or 2.5Y; value of 4 to 7; and chroma of 1 to 8. Texture is silt loam. Clay content is 12 to 18 percent. Reaction is very strongly acid or strongly acid.
The Bgx or Bx horizon has hue of 10YR or 2.5Y, value of 5 to 7 and chroma of 1 to 4. Redoximorphic iron depletions and accumulations have hue of 7.5YR, 10YR, or 2.5Y; value of 4 to 7; and chroma of 1 to 8. It typically has clay depletions or clay films, or both, on faces of peds. Texture is silt loam or silt. Clay content is 10 to 18 percent. Reaction is very strongly acid or strongly acid. Some pedons have a BCg horizon.
The Cg or C horizon has hue of 10YR or 2.5Y, value of 4 to 6, and chroma of 1 to 6. Texture is silt loam. Clay content is 12 to 18 percent. Reaction is very strongly acid to slightly acid.
COMPETING SERIES: There are no competing series.
GEOGRAPHIC SETTING: Banlic soils are on nearly level or gently sloping flood-plain steps and low stream terraces. Slope gradients typically are between 0 and 2 percent and range from 0 to 3 percent. These soils formed in acid, silty alluvium. Mean annual temperature is 54 to 57 degrees F.(12.2 to 13.9 degrees C), mean annual precipitation is 36 to 44 inches (914 to 1118 mm), frost-free period is 180 to 210 days, and elevation is 340 to 500 feet (103.7 to 152.4 m) above mean sea level.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Belknap, Bonnie, Haymond, Racoon, Sharon, Wakeland, and Wilbur soils. All of these soils except Racoon are on lower lying landform positions, formed in more recent alluvium, and do not have fragic soil properties. Racoon soils are on similar or slightly higher landform positions. They have an argillic horizon and a thicker albic horizon.
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY: Somewhat poorly drained. The potential for surface water runoff is low. Saturated hydraulic conductivity is moderately high (1.41 to 4.23 micrometers/s) in the surface layer and substratum and moderately low or moderately high (0.42 to 1.41 micrometers/s) in the subsoil. Permeability is slow in the subsoil. In drained areas, depth to an intermittent perched high water table is 0.5 foot to 2.0 feet from November to May in most years. Some areas are subject to rare to frequent flooding for brief periods from January to May.
USE AND VEGETATION: Most areas are cropped to corn, soybeans, and small grain. Some areas are pastured or wooded. Native vegetation is deciduous forest common to flood-plain areas.
DISTRIBUTION AND EXTENT: Southern Illinois and southern Indiana. Extent is moderate, and mainly in MLRA 113, 114B, 115A and 115B.
MLRA OFFICE RESPONSIBLE: Indianapolis, Indiana
SERIES ESTABLISHED: Saline County, Illinois, 1975.
REMARKS: The upper part of the control section for family reaction class (E horizon) has been affected by liming and is higher than defined for the acid class. The Banlic soils will be evaluated throughout their MLRA extents to determine the proper classification.
Diagnostic horizons and features recognized in this pedon are: Ochric epipedon - the zone from the surface to a depth of 13 inches (Ap and E horizons). Albic horizon - the zone from 9 to 13 inches (E horizon). Cambic horizon - the zone from 33 to 127 cm (13 to 50 inches), (Bg1, Bg1, Bgx1 and Bgx2 horizons). Fragic soil properties - the zone from 76 to 127 cm (30 to 50 inches), (Bgx1 and Bgx2 horizons).