JpA-Jackport silty clay loam, 0 to 1 percent slopes

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Setting

Landform position: Terraces

Typical Profile

Surface layer:

0 to 5 inches-dark grayish brown silty clay loam

Subsoil:

5 to 12 inches-grayish brown clay with redoximorphic features

12 to 29 inches-grayish brown clay with redoximorphic features

29 to 58 inches-grayish brown silty clay with redoximorphic features

58 to 72 inches-grayish brown silty clay loam with redoximorphic features

Inclusions

• Grubbs soils

• Overcup 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: None

Surface runoff: Low to medium

Soil reaction: Very strongly acid to slightly acid in the surface layer; very strongly acid or strongly acid in the upper part of the subsoil; moderately acid to moderately alkaline in the lower part of the subsoil

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:

• 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:

• Wetness

Management measures:

• See Use and Management of the Soils, Crops and Pasture Section

Woodland

Woodland ordination symbol: 8W

Suitability: Moderately suited

Adapted species: Cherrybark oak, willow oak, and sweetgum

Management concerns:

• Equipment use is restricted due to wetness

• Seedling mortality

• Windthrow hazard

Management measures:

• See Use and Management of the Soils, Woodland Management and Productivity Section

Urban Uses

Dwellings

Limitation rating: Severe

Limitations:

• 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:

• 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:

• Very slow permeability

• Wetness

Corrective measures:

• See Use and Management of the Soils, Engineering, Sanitary Facilities Section

Local Roads and Streets

Limitation rating: Severe

Limitations:

• Wetness

• Low strength

• Shrink-swell potential

Corrective measures:

• See Use and Management of the Soils, Engineering, Building Site Development Section