LOCATION DOUGHBOY NE+SDEstablished Series
TAXONOMIC CLASS: Coarse-loamy, mixed, Superactive, mesic Pachic Calciustolls
TYPICAL PEDON: Doughboy fine sandy loam on a slope of less than 1 percent in an area of native grass. When described, the soil was moist in the upper 48 centimeters (19 inches) and dry below. (Colors are for dry soil unless otherwise stated.)
Ak1--0 to 25 centimeters (0 to 10 inches); dark grayish brown (10YR 4/2) fine sandy loam, very dark grayish brown (10YR 3/2) moist; weak medium subangular blocky structure parting to weak fine granular; soft, very friable; many fine and very fine roots; strong effervescence; finely disseminated carbonate throughout; 2 percent calcium carbonate equivalent; slightly alkaline; gradual wavy boundary.
Ak2--25 to 48 centimeters (10 to 19 inches); dark grayish brown (10YR 4/2) fine sandy loam, very dark gray (10YR 3/1) moist; weak medium subangular blocky structure parting to weak fine granular; soft, very friable; many fine and very fine roots; strong effervescence; finely disseminated carbonate throughout; 1 percent fine prominent irregular white (10YR 8/1), moist snail shell fragments; 5 percent calcium carbonate equivalent; moderately alkaline; clear smooth boundary. (Combined thickness of the A horizon is 25 to 76 centimeters (10 to 30 inches thick.)
Bk1--48 to 71 centimeters (l9 to 28 inches); gray (10YR 5/1) sandy clay loam, very dark gray (10YR 3/1) moist; weak medium and thick platy structure; slightly hard, very friable; common fine and very fine roots in parting planes between peds; violent effervescence; finely disseminated carbonate throughout; 1 percent fine prominent irregular white (10YR 8/1), moist snail shell fragments; 10 percent fine prominent irregular white (10YR 8/1), moist carbonate masses throughout; 15 percent calcium carbonate equivalent; moderately alkaline; abrupt smooth boundary.
Bk2--71 to 89 centimeters (28 to 35 inches); gray (10YR 6/1) loam, very dark grayish brown (2.5Y 3/2) moist; weak coarse prismatic structure parting to weak medium platy; slightly hard, very friable;common fine and very fine roots in parting planes between peds; violent effervescence; finely disseminated carbonate throughout; 20 percent fine prominent irregular white (10YR 8/1), moist snail shell fragments; 10 percent fine prominent irregular white (10YR 8/1), moist carbonate masses throughout; 42 percent calcium carbonate equivalent; moderately alkaline; abrupt wavy boundary.
Bk3--89 to 97 centimeters (35 to 38 inches); grayish brown (10YR 5/2) clay loam, very dark brown (10YR 2/2) moist; weak medium granular structure; soft, very friable; few very fine roots throughout; violent effervescence; finely disseminated carbonate throughout; 20 percent fine prominent irregular white (10YR 8/1), moist snail shell fragments; 30 percent calcium carbonate equivalent; moderately alkaline; clear wavy boundary. (Combined thickness of the Bk horizon is 33 to 102 centimeters (13 to 40 inches.)
Cg1--97 to 165 centimeters (38 to 65 inches); light brownish gray (2.5Y 6/2) loam, dark grayish brown (2.5Y 4/2) moist; common fine distinct dark yellowish brown (10YR 4/4), moist and many fine prominent yellowish brown (10YR 5/8), moist iron masses throughout; massive; hard, friable; few very fine roots throughout horizon; violent effervescence; finely disseminated carbonate throughout; 30 percent fine prominent irregular white (10YR 8/1), moist snail shell fragments; 42 percent calcium carbonate equivalent; moderately alkaline; clear smooth boundary.
Cg2--165 to 200 centimeters (65 to 79 inches); light brownish gray (2.5Y 6/2)fine sandy loam, dark grayish brown (2.5Y 4/2) moist; common fine distinct irregular dark yellowish brown (10YR 4/4), moist iron masses throughout; massive; soft, very friable; few very fine roots throughout horizon; violent effervescence; finely disseminated carbonate throughout; 5 percent fine prominent irregular white (10YR 8/1), moist snail shell fragments; 23 percent calcium carbonate equivalent; moderately alkaline.
TYPE LOCATION: Cherry County, Nebraska; about 32 kilometers (20 miles) south and 9.6 kilometers (6 miles) west of Cody; 221 meters (725 feet) north and 396 meters (1,300 feet) west of the southeast corner of sec. 24, T. 31 N., R. 35 W. USGS Doughboy topographic quadrangle; latitude 42 degrees, 38 minutes, 45 seconds North and longitude 101 degrees, 22 minutes, 7 seconds West.
RANGE IN CHARACTERISTICS:
Moisture regime: Ustic
Depth to redoximorphic features: 76 to 183 centimeters (30 to 72 inches)
Depth to endosaturation: 91 to 183 centimeters (36 to 72 inches)
Depths of calcium carbonate: can be not present in the Cg horizons (147 to 200 centimeters 23 to 79 inches)
Calcium carbonate equivalent in the calcic horizon: 15 to 60 percent
Thickness of the mollic epipedon: 51 to 97 centimeters (20 to 38 inches)
Particle-size control section (weighted average):
Sand content: 39 to 77 percent
Silt content: 13 to 38 percent
Non-carbonate clay content: 9 to 18 percent
Ak horizon:
Hue: 10YR or 2.5Y
Value: 3 to 6, 2 or 3 moist
Chroma: 1 to 3
Texture: fine sandy loam, loam, very fine sandy loam, loamy fine sand
Calcium carbonate equivalent: 2 to 25 percent
Electric Conductivity: 0 to 2 mmhos/cm
Reaction: slightly alkaline or moderately alkaline
Bkg horizon:
Hue: 10YR, 2.5Y, or 5Y
Value: 4 to 8 dry, 2 to 6 moist
Chroma of 1 or 2
Texture: fine sandy loam, loam, clay loam, sandy clay loam, very fine sandy loam
Calcium carbonate equivalent: 15 to 45 percent
Sodium adsorption ratio: 0 to 5
Electric Conductivity: 0 to 2 mmhos/cm
Reaction: slightly alkaline or moderately alkaline
Cg horizon:
Hue: 10YR, 2.5Y, or 5Y
Value: 5 to 8 dry, 4 to 7 moist
Chroma of 1 to 3
Texture: fine sandy loam, very fine sandy loam, loam, loamy very fine sand
Some pedons have buried surface layers or sandy material below a depth of 102 centimeters (40 inches).
Calcium carbonate equivalent: 5 to 45 percent
Sodium adsorption ratio: 0 to 5
Electric Conductivity: 0 to3 mmhos/cm
Reaction: slightly alkaline or moderately alkaline
COMPETING SERIES: There are no other series in the same family.
GEOGRAPHIC SETTING:
Parent material: mostly calcareous, loamy eolian deposits when on interdunes on sandhills, some calcareous loamy alluvium when on stream terraces on valleys
Landscape: mostly sandhills, some stream valleys
Landform: mostly swales on interdunes, some stream terraces
Slopes: 0 to 2 percent
Elevation: 914 to 1189 meters (3000 to 3900 feet)
Mean annual air temperature: 8 to 10 degrees C. (46 to 49 degrees F.)
Mean annual soil temperature: 9 to 11 degrees C. (46 to 51 degrees F.)
Mean annual precipitation: 41 to 51 centimeters (16 to 20 inches)
Frost Free Days: 120 to 140
GEOGRAPHICALLY ASSOCIATED SOILS: These are the
Cullison,
Libory,
Nenzel,
Ord, and
Valentine soils.
Cullison soils are on lower swales on interdunes and are poorly and very poorly drained having a seasonal zone of saturation or aquic conditions beginning at the surface.
Libory soils are on similar swales on interdunes and are sandy over loamy in the control section.
Nenzel soils are on similar swales on interdunes and are sandy in the control section.
Ord soils are slightly lower on swales on interdunes, are coarse loamy over sandy or sandy skeletal in the control section, and are somewhat poorly drained having a seasonal zone of saturation or aquic conditions beginning at 46 centimeters (18 inches).
Valentine soils are on higher hummocks and dunes, are sandy in the control section, and are excessively drained having no seasonal zone of saturation or aquic conditions.
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage: Moderately well drained
Saturated hydraulic conductivity: high
Runoff: negligible
USE AND VEGETATION: The major use is livestock grazing. A few areas are cultivated or hayed. Irrigated alfalfa is the major crop. The rangeland native plant community for the sandy lowland ecological site (R065XY029NE) is principally sand bluestem, little bluestem, prairie sandreed, needle and thread, and blue grama.
DISTRIBUTION AND EXTENT: In the western sandhills of Nebraska and sandhills of southwestern South Dakota (MLRA 65, LRR G). The series is of small extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Denver, Colorado
SERIES ESTABLISHED: Cherry County, Nebraska, 1995
REMARKS: Diagnostic horizons recognized in this pedon:
Mollic epipedon: 0 to 71 centimeters (0 to 28 inches) (Ak1, Ak2 and Bk1 horizons) Calcic horizon: 48 to 200 centimeters (19 to 79 inches) (Bk1, Bk2, Bk3, Cg1 and Cg2 horizons).
Aquic conditions: 97 to 200 centimeters (38 to 79 inches) (Cg1 and Cg2 horizons)
RRH in 4/2007: A stream terrace phase or new series will need to be established for the Doughboy soils located on non-flooded stream terraces of valleys.
RRH in 4/2007: All changed to metric. Introductory paragraph: revised. Typical pedon: revised to better match SSL data. RICs: revised, Bk and Cg horizons: Textures: added clay loam and sandy clay loam. Geographic Setting through Distribution and Extent: revised. Geographically Associated Soils: Deleted Dunday and Ipage, added Cullison, Nenzel, and Ord. Additional Data: revised.
ADDITIONAL DATA: Data is available from the National Soil Survey Center, Soil Survey Laboratory for Pedon ID 86NE031096. Pedon ID 86NE031096 represents the Typical Pedon and it also has data from the Nebraska Department of Roads.