LOCATION SARCOXIE KSEstablished Series
TAXONOMIC CLASS: Fine, smectitic, mesic Oxyaquic Argiudolls
TYPICAL PEDON: Sarcoxie silty clay loam on a north-facing 3 percent slope in grassland. (Colors are for moist soil unless otherwise stated.)
Ap--0 to 15 centimeters; black (10YR 2/1), silty clay loam, dark gray (10YR 4/1) dry; weak fine granular structure; friable, slightly hard, moderately sticky, moderately plastic; strongly acid; abrupt smooth boundary.
A--15 to 33 centimeters; black (10YR 2/1), silty clay loam, dark gray (10YR 4/1) dry; weak fine subangular blocky structure; friable, slightly hard, moderately sticky, moderately plastic moderately acid; clear smooth boundary. (Combined A horizons are 18 to 45 centimeters thick)
Bt1--33 to 62 centimeters; dark grayish brown (10YR 4/2), silty clay loam; moderate fine subangular blocky structure; firm, slightly hard, moderately sticky, moderately plastic; many distinct clay films on faces of peds; 15 percent fine distinct brown (7.5YR 4/4), masses of oxidized iron in matrix; moderately acid; clear smooth boundary.
Bt2--62 to 89 centimeters; grayish brown (10YR 5/2), silty clay loam; weak fine subangular blocky structure; firm, slightly hard, moderately sticky, moderately plastic; many distinct clay films on faces of peds; common fine prominent strong brown (7.5YR 5/6), masses of oxidized iron in matrix; moderately acid; clear smooth boundary (Combined Bt horizons are 20 to 45 centimeters thick)
2Bt3--89 to 125 centimeters; grayish brown (10YR 5/2), clay loam; weak medium subangular blocky structure; firm, slightly hard, moderately sticky, moderately plastic; many distinct clay films on vertical faces of peds; many medium prominent strong brown (7.5YR 5/6), masses of oxidized iron in matrix; slightly acid; clear smooth boundary. (2Bt horizon is 15 to 95 centimeters thick)
2BC--125 to 160 centimeters; grayish brown (10YR 5/2), clay loam; weak coarse subangular blocky structure; firm, hard, moderately sticky, moderately plastic; many coarse distinct brown (7.5YR 4/4), masses of oxidized iron in matrix; neutral; clear smooth boundary. (2BC horizon is 15 to 45 centimeters thick)
2C--160 to 203 centimeters; light brownish gray (10YR 6/2), clay loam; massive; firm, hard, moderately sticky, moderately plastic; many coarse distinct strong brown (7.5YR 4/6), masses of oxidized iron in matrix; neutral.
TYPE LOCATION: Leavenworth County, Kansas; about 6.4 kilometers east and 1.6 kilometers north of Linwood, Kansas; 2,000 feet north and 1,200 feet east of the southwest corner of sec. 10, T. 12 S., R. 22 E. USGS Bonner Springs, Kansas quadrangle; lat. 39 degrees 1 minutes 12.54 seconds N. and long. 94 degrees 57 minutes 37.00 seconds W., NAD 83.
RANGE IN CHARACTERISTICS:
The soil moisture control section is not dry in any part for as long as 90 cumulative days in normal years; udic moisture regime.
Depth to episaturation: 18 to 203 centimeters
Thickness of the mollic epipedon: 25 to 45 centimeters.
Depth to argillic horizon: 18 to 45 centimeters.
Depth to lithologic discontinuity: 33 to 90 centimeters.
Clay content in the particle-size control section: 36 to 42 percent.
Sand content in the particle-size control section: 3 to 20 percent.
Redoximorphic features: 18 to 203 cm.
A or Ap horizon:
Hue:10YR
Value: 4 or 5 dry, 2 or 3 moist
Chroma: 1 or 2 dry or moist
Texture: silty clay loam
Clay content: 28 to 33 percent
Sand content: 3 to 8 percent
Reaction: strongly acid to neutral
Bt horizon:
Hue: 7.5YR or 10YR
Value: 3 to 6 dry or moist
Chroma: 2 to 4 dry or moist
Texture: silty clay loam or silty clay
Clay content: 36 to 42 percent
Sand content: 2 to 10 percent
Reaction: moderately acid to neutral
2Bt horizon:
Hue: 7.5YR or 10YR
Value: 4 or 5 dry or moist
Chroma: 2 to 4 dry or moist
Texture: clay loam, silty clay loam, loam or silt loam
Clay content: 20 to 35 percent
Sand content: 15 to 30 percent
Reaction: moderately acid to neutral
2BC horizon: (If present):
Hue: 7.5YR or 10YR
Value: 4 or 5 dry or moist
Chroma: 2 to 4 dry or moist
Texture: clay loam, silty clay loam, or silt loam
Clay content: 20 to 36 percent
Sand content: 15 to 30 percent
Reaction: moderately acid to neutral
2C horizon:
Hue: 7.5YR or 10YR
Value: 4 to 6 dry or moist
Chroma: 1 to 4 dry or moist
Texture: clay loam
Clay content: 30 to 38 percent
Sand content: 28 to 35 percent
Reaction: moderately acid to neutral
COMPETING SERIES: These are
Otley and
Wenona soils.
The Otley soils do not have till in the series control section.
The Wenona soils have a densic contact in the series control section.
GEOGRAPHIC SETTING:
Parent material: loess over reworked loess and/or till
Landform: Summit and shoulders slopes of uplands along interfluves
Slopes: 1 to 7 percent
Mean annual air temperature: 11 to 13 degrees C.
Mean annual precipitation: 86 to 102 centimeters.
Frost-free period: 170 to 190 days
GEOGRAPHICALLY ASSOCIATED SOILS: These are
Armster,
Pawnee,
Sharpsburg, and
Shelby soils.
Armster soils are lower on the landscape.
The Pawnee soils are lower on the landscape and have higher clay contents in the control section.
Sharpsburg soils occur on similar landscape positions, but formed entirely in loess.
Shelby soils are lower on the landscape and formed entirely in till.
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage: moderately well
Runoff: medium to high
Saturated hydraulic conductivity: moderately low in the upper part and moderately high in the lower part.
USE AND VEGETATION: Used for both growing cultivated crops and pasture. Principal crops grown are corn, soybeans, small grains, and hay. Native vegetation was tall grass prairie.
DISTRIBUTION AND EXTENT: LRR M, MLRA 106, 107B. Northeastern Kansas. This series is of small extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Denver, Colorado
SERIES PROPOSED: Leavenworth County, Kansas, Stranger Creek Watershed Project, 2007.
REMARKS:
Diagnostic horizons and features recognized in this pedon are:
Particle-size control section: The zone from 33 to 83 centimeters. (Bt1 and Bt2 horizons)
Mollic epipedon: The zone from 0 to 33 centimeters. (Ap and A horizon)
Argillic horizon: The zone from 33 to 125 centimeters. (Bt1, Bt2, and 2Bt3 horizon)
Redoximorphic features: In the zone from 33 to 185 centimeters.
Lithologic discontinuity: At the upper boundary of the 2Bt3 horizon.
ADDITIONAL DATA: Data from Kansas State Lab, Manhattan, Kansas pedon 05KS103437.
Additional laboratory data-- Kansas State Lab, Manhattan, Kansas pedon: 05KS103896.