LOCATION DILLHUT KS

Established Series
RMM, JCW, BKN
07/2020

DILLHUT SERIES

The Dillhut series consists of very deep, moderately well drained, soils that formed in sandy eolian deposits over a buried alluvial soil. Dillhut soils are on dunes on paleoterraces in river valleys of the Great Bend Sand Plains, MLRA 79. Slope ranges from 0 to 7 percent. Mean annual precipitation is about 740 millimeters (29 inches), and mean annual temperature is 13 degrees C (55 degrees F), at the type location.

TAXONOMIC CLASS: Coarse-loamy, mixed, superactive, nonacid, mesic Oxyaquic Ustorthents

TYPICAL PEDON: Dillhut fine sand on an east facing, convex 4 percent slope in rangeland at an elevation of 475 meters (1558 feet). (Colors are for dry soil unless otherwise stated.) As described on May 3, 1993.

A--0 to 10 centimeters (0 to 4 inches); light brownish gray (10YR 6/2), interior, fine sand, dark grayish brown (10YR 4/2), interior, moist; weak fine subangular blocky structure parting to single grain; loose, loose, nonsticky and nonplastic; common very fine and fine roots throughout; 2 percent clay; moderately acid; clear smooth boundary.

AC--10 to 23 centimeters (4 to 9 inches); brown (10YR 5/3), interior, fine sand, brown (10YR 4/3), interior, moist; weak fine subangular blocky structure parting to single grain; loose, loose, nonsticky and nonplastic; common very fine and fine roots throughout; 1 percent clay; moderately acid; gradual smooth boundary. (Combined thickness of the A horizons is 10 to 43 centimeters (4 to 17 inches).)

C1--23 to 46 centimeters (9 to 18 inches); light yellowish brown (10YR 6/4), interior, fine sand, yellowish brown (10YR 5/4), interior, moist; single grain; loose, loose, nonsticky and nonplastic; common very fine and fine roots throughout; 1 percent clay; moderately acid; gradual wavy boundary.

C2--46 to 66 centimeters (18 to 26 inches); light yellowish brown (10YR 6/4), interior, fine sand, yellowish brown (10YR 5/4), interior, moist; common fine distinct yellowish brown (10YR 5/6) moist irregular mottles throughout; single grain; loose, loose, nonsticky and nonplastic; common very fine roots throughout; 2 percent clay; moderately acid; abrupt smooth boundary. (Combined thickness of the C horizons is 15 to 81 centimeters (6 to 32 inches).)

2Btb1--66 to 104 centimeters (26 to 41 inches); light brown (7.5YR 6/4), interior, fine sandy loam, brown (7.5YR 5/4), interior, moist; common medium and coarse distinct strong brown (7.5YR 5/6) moist irregular mottles throughout; weak medium prismatic structure parting to weak fine and medium subangular blocky; slightly hard, firm, slightly sticky and slightly plastic; 14 percent clay; few distinct discontinuous clay bridging between sand grains and few distinct patchy pale brown (10YR 6/3), moist, skeletans on vertical faces of peds; few fine irregular masses of iron-manganese accumulation throughout; neutral; gradual smooth boundary.

2Btb2--104 to 140 centimeters (41 to 55 inches); light brown (7.5YR 6/4), interior, fine sandy loam, brown (7.5YR 5/4), interior, moist; many medium and coarse distinct strong brown (7.5YR 5/6) moist irregular mottles throughout; weak medium prismatic structure parting to weak fine and medium subangular blocky; slightly hard, friable, slightly sticky and slightly plastic; 11 percent clay; few distinct discontinuous clay bridging between sand grains and common distinct continuous pale brown (10YR 6/3), moist, skeletans on vertical faces of peds; few medium cylindrical masses of iron-manganese accumulation throughout; neutral; gradual smooth boundary. (Combined thickness of the 2Bt horizons is 48 to 152 centimeters (19 to 60 inches).)

2BCb1--140 to 165 centimeters (55 to 65 inches); light brown (7.5YR 6/3), interior, fine sandy loam, brown (7.5YR 5/3), interior, moist; many coarse distinct strong brown (7.5YR 5/6) moist irregular mottles throughout; weak medium subangular blocky structure; slightly hard, friable, slightly sticky and nonplastic; 10 percent clay; common prominent continuous light brownish gray (10YR 6/2), moist, skeletans on vertical faces of peds; neutral; gradual smooth boundary.

2BCb2--165 to 178 centimeters (65 to 70 inches); light brown (7.5YR 6/3), interior, fine sandy loam, brown (7.5YR 5/3), interior, moist; many medium and coarse distinct strong brown (7.5YR 5/6) moist irregular mottles throughout; weak medium subangular blocky structure; slightly hard, friable, slightly sticky and nonplastic; 18 percent clay; common prominent continuous light brownish gray (10YR 6/2) skeletans on vertical faces of peds; neutral; gradual smooth boundary. (Combined thickness of the 2BC horizons is 0 to 91 centimeters (0 to 36 inches).)

2Cg--178 to 203 centimeters (70 to 80 inches); light gray (2.5Y 7/2), interior, fine sandy loam, light brownish gray (2.5Y 6/2), interior, moist; common coarse prominent yellowish brown (10YR 5/6) moist irregular mottles throughout; single grain; loose, loose, nonsticky and nonplastic; 9 percent clay; slightly acid. (Thickness of the 2C horizon is 0 to 50 centimeters (0 to 20 inches).)

TYPE LOCATION: Reno County, Kansas; about 8 kilometers (5 miles) south of Buhler, Kansas; 293 meters (961 feet) west and 560 meters (1836 feet) south of the northeast corner of sec. 08, T. 23 S., R. 04 W. Hutchinson SE USGS topographic quadrangle; latitude 38 degrees 4 minutes 1.4 seconds N. and longitude 97 degrees 46 minutes 41.6 seconds W. WGS84

RANGE IN CHARACTERISTICS:
Soil moisture regime: ustic moisture regime bordering on udic
Soil temperature regime: mesic
Mean annual soil temperature: 13 to 14 degrees C (56 to 58 degrees F)
Ochric epipedon thickness: 10 to 43 centimeters (4 to 17 inches)
Depth to bedrock: greater than 203 centimeters (80 inches)
Depth to secondary calcium carbonate: 102 to 203 centimeters (40 to 80 inches)
Particle-size control section (weighted average):
Clay content: 6 to 20 percent
Sand content: 65 to 84

A horizon:
Hue: 10YR
Value: 4 to 6 dry, 3 to 5 moist
Chroma: 2 or 3 dry or moist
Texture: fine sand
Reaction: moderately acid or slightly acid

C horizon:
Hue: 10YR
Value: 5 to 7 dry, 4 to 6 moist
Chroma: 3 or 4 dry or moist
Texture: fine sand or loamy fine sand
Redoximorphic features: 1 to 15 percent
Reaction: moderately acid or slightly acid

2Btb horizon:
Hue: 7.5YR to 2.5Y
Value: 5 to 7 dry, 4 to 6 moist
Chroma: 2 to 4 dry or moist
Texture: sandy clay loam, or fine sandy loam
Redoximorphic features: 1 to 40 percent
Reaction: neutral or slightly alkaline

2BCb horizon:
Hue: 7.5YR to 2.5Y
Value: 5 to 7 dry, 4 to 6 moist
Chroma: 2 to 4 dry or moist
Texture: fine sandy loam
Redoximorphic features: 2 to 25 percent
Reaction: slightly acid or neutral

2C horizon:
Hue: 7.5YR to 2.5Y
Value: 5 to 7 dry, 4 to 6 moist
Chroma: 2 to 4 dry or moist
Texture: fine sandy loam, loamy fine sand, or fine sand
Redoximorphic features: 1 to 20 percent
Reaction: slightly acid or neutral

COMPETING SERIES: There are no competing series.

GEOGRAPHIC SETTING:
Parent material: sandy eolian deposits over buried alluvial soil
Landform: dunes on paleoterraces
Slopes: 0 to 7 percent
Elevation: 451 to 543 meters (1479 to 1780 feet)
Mean annual air temperature: 13 to 14 degrees C (55 to 57 degrees F)
Mean annual precipitation: 61 to 89 centimeters (24 to 35 inches)
Precipitation pattern: Precipitation is usually evenly distributed throughout the year with the exception of November through February being the driest months and March through October being the wettest months. Summer precipitation occurs during intense summer thunderstorms.
Frost-free period: 187 to 225 days

GEOGRAPHICALLY ASSOCIATED SOILS: These are the Carway, Dillwyn, Langdon, Plev, Solvay soils. The wetter, Carway soils are fine-loamy and are in nearby open depressions. Dillwyn soils do not have a buried soil. The somewhat excessively well drained Langdon soils do not have a buried soil and have fewer thinner lamellae. Langdon soils are on steeper, more rolling dunes. Plev soils are wetter and poorly drained and occur in depressions. Solvay soils are somewhat poorly drained and are fine-loamy and occur in interdunes.

DRAINAGE AND PERMEABILITY: Moderately well drained. Runoff is very low or low. Permeability is moderate. The lower part of the profile has very slow permeability. A perched water table is present in the slow permeability phase with an upper limit ranging from 18 to 26 inches (46 to 66 centimeters) and a lower limit ranging from 48 to 60 (122 to 152 centimeters) inches from February through May in most years.

USE AND VEGETATION: Most areas are in native range. Native vegetation is dominated by sand bluestem, indiangrass, and little bluestem.

DISTRIBUTION AND EXTENT: South-Central Kansas. LRR H Great Plains Winter Wheat and Range, MLRA 79 Great Bend Sand Plains. The series is of small extent.

SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Salina, Kansas

SERIES ESTABLISHED: Reno County, Kansas, 1999.

REMARKS: Diagnostic horizons and features recognized in this pedon are:

ochric epipedon: The zone from 0 to 4 inches (0 to 10 centimeters) (A)

Keys to Soil Taxonomy: Twelfth edition, 2014

ADDITIONAL DATA: Most of this soil was formerly mapped as Dillwyn.
Series Interpretation Record: KS0326, KS0327 slow permeability.
LRR=H
04/14/95 This is a new series developed for the Great Bend Sand Plains. It is a Dillwyn overlying a buried paleosol. The paleosol has
a wide range in textures due to the alluvial nature. The ranges On the SIRs are the narrowest ranges possible.PRF-JCW

05/02/95 Added textures and clay contents to the 2Btb for the slow perm phase.Corrected the SIR #327 to reflect 35 to 43 percent clay content. PRF

12/10/99 Established the series.

06/2020 BKN Edited horizon data to meet current standards. Added PSCS sand content to RIC. Changed Keys to Soil Taxonomy to Twelfth Edition.

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National Cooperative Soil Survey
U.S.A.