LaB—Lax

LaB—Lax silt loam, 2 to 5 percent slopes

Map Unit Setting

  • National map unit symbol: kpw5

  • Elevation: 600 to 900 feet

  • Mean annual precipitation: 48 to 54 inches

  • Mean annual air temperature: 57 to 61 degrees F

  • Frost-free period: 180 to 200 days

  • Farmland classification: All areas are prime farmland

Map Unit Composition

  • Lax and similar soils: 90 percent

  • Estimates are based on observations, descriptions, and transects of the mapunit.

Description of Lax

Setting
  • Landform: Hillslopes

  • Landform position (three-dimensional): Crest

  • Parent material: Loess over loamy marine deposits over clayey residuum weathered from cherty limestone

Typical profile
  • H1 - 0 to 10 inches: silt loam

  • H2 - 10 to 27 inches: silt loam

  • H3 - 27 to 50 inches: gravelly silt loam

  • H4 - 50 to 60 inches: gravelly silty clay loam

Properties and qualities
  • Slope: 2 to 5 percent

  • Depth to restrictive feature: About 27 inches to fragipan

  • Natural drainage class: Moderately well drained

  • Capacity of the most limiting layer to transmit water (Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr)

  • Depth to water table: About 18 to 30 inches

  • Frequency of flooding: None

  • Frequency of ponding: None

  • Available water storage in profile: Low (about 5.1 inches)

Interpretive groups
  • Land capability classification (irrigated): None specified

  • Land capability classification (nonirrigated): 2e

  • Hydrologic Soil Group: C

  • Hydric soil rating: No

LaC—Lax silt loam, 5 to 12 percent slopes

Map Unit Setting

  • National map unit symbol: kpw6

  • Elevation: 600 to 900 feet

  • Mean annual precipitation: 48 to 54 inches

  • Mean annual air temperature: 57 to 61 degrees F

  • Frost-free period: 180 to 200 days

  • Farmland classification: Not prime farmland

Map Unit Composition

  • Lax and similar soils: 80 percent

  • Estimates are based on observations, descriptions, and transects of the mapunit.

Description of Lax

Setting
  • Landform: Hillslopes

  • Landform position (three-dimensional): Side slope

  • Parent material: Loess over loamy marine deposits over clayey residuum weathered from cherty limestone

Typical profile
  • H1 - 0 to 10 inches: silt loam

  • H2 - 10 to 27 inches: silt loam

  • H3 - 27 to 50 inches: gravelly silt loam

  • H4 - 50 to 60 inches: gravelly silty clay loam

Properties and qualities
  • Slope: 5 to 12 percent

  • Depth to restrictive feature: About 27 inches to fragipan

  • Natural drainage class: Moderately well drained

  • Capacity of the most limiting layer to transmit water (Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr)

  • Depth to water table: About 18 to 30 inches

  • Frequency of flooding: None

  • Frequency of ponding: None

  • Available water storage in profile: Low (about 5.1 inches)

Interpretive groups
  • Land capability classification (irrigated): None specified

  • Land capability classification (nonirrigated): 3e

  • Hydrologic Soil Group: C

  • Hydric soil rating: No

 


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