KbA-Kobel silty clay loam, 0 to 1 percent slopes, rarely flooded
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Landform position: Flood plains and backswamps
Typical Profile
Surface layer:
0 to 4 inches-very dark grayish brown silty clay loam
Subsoil:
4 to 16 inches-dark gray clay with redoximorphic features
16 to 53 inches-gray clay with redoximorphic features
53 to 60 inches-gray silty clay loam with redoximorphic features
Substratum:
60 to 72 inches-gray clay loam with redoximorphic features
Inclusions
• Tipp soils
• Yancopin soils
• Small depressional areas subject to flooding and/or ponding for long durations
Soil Properties and Qualities
Depth class: Very deep
Drainage class: Poorly drained
Permeability: Very slow
Available water capacity: High
Depth to seasonal high water table: 0 to 1 foot
Shrink-swell potential: Very high
Hazard of flooding: Rare
Surface runoff: Low to medium
Soil reaction: Moderately acid to neutral in the surface layer; slightly acid to slightly alkaline in the subsoil; neutral to moderately alkaline in the substratum
Parent material: Clayey alluvium
Land Use
Major Uses: Most areas are cultivated; a few areas are in woodland
Cropland
Land capability subclass: IIIw
Suitability: Moderately suited
Adapted crops: Soybeans, grain sorghum, and rice
Management concerns:
• Excess surface water
• Wetness
Management measures:
• See Use and Management of the Soils, Crops and Pasture Section
Pasture and Hayland
Suitability: Moderately suited
Adapted plants: Common bermudagrass, improved bermudagrass, and tall fescue
Management concerns:
• Seasonal wetness
• Excess surface water
Management measures:
• See Use and Management of the Soils, Crops and Pasture Section
Woodland
Woodland ordination symbol: 7W
Suitability: Moderately suited
Adapted species: Cherrybark oak, green ash, American sycamore, eastern cottonwood, water hickory, and water oak
Management concerns:
• Equipment use is restricted due to wetness
• Severe windthrow hazard
• Seedling mortality
Management measures:
• See Use and Management of the Soils, Woodland Management and Productivity Section
Urban Uses
Dwellings
Limitation rating: Severe
Limitations:
• Flooding
• Wetness
• Shrink-swell potential
Corrective measures:
• See Use and Management of the Soils, Engineering, Building Site Development Section
Small Commercial Buildings
Limitation rating: Severe
Limitations:
• Flooding
• Wetness
• Shrink-swell potential
Corrective measures:
• See Use and Management of the Soils, Engineering, Building Site Development Section
Septic Tank Absorption Fields
Limitation rating: Severe
Limitations:
• Wetness
• Very slow permeability
Corrective measures:
• See Use and Management of the Soils, Engineering, Sanitary Facilities Section
Local Roads and Streets
Limitation rating: Severe
Limitations:
• Shrink-swell potential
• Low strength
• Wetness
Corrective measures:
• See Use and Management of the Soils, Engineering, Building Site Development Section