LOCATION NORGE                   OK+KS TX

Established Series
Rev. ELG:CRC:GFS:JLD:JABG
09/2020

NORGE SERIES

The Norge series consists of very deep, well drained, moderately slowly permeable upland soils that formed in loamy alluvium of Pleistocene age. These nearly level to sloping soils occur on flats and upper side slopes of upland terraces. Slopes range from 0 to 8 percent. Mean annual temperature is 16.1 degrees C (61 degrees F), and mean annual precipitation is 864 mm (34 in).

TAXONOMIC CLASS: Fine-silty, mixed, active, thermic Udic Paleustolls

TYPICAL PEDON: Norge silt loam, southeast-facing, linear convex, 2 percent slope in cropland at an elevation of 287 m (940 ft). (Colors are for dry soil unless otherwise stated.)

A--0 to 30 cm (0 to 12 in); brown (7.5YR 4/2) silt loam, dark brown (7.5YR 3/2) moist; moderate fine granular structure; slightly hard, friable; many fine roots; moderately acid; gradual smooth boundary. (Thickness of the A horizon is 15 to 41 cm [6 to 16 in])

BA--30 to 46 cm (12 to 18 in); reddish brown (5YR 4/3) silty clay loam, dark reddish brown (5YR 3/3) moist; moderate medium granular structure; hard, friable; many fine roots; moderately acid; gradual smooth boundary. (Thickness of the BA horizon is 0 to 25 cm [0 to 10 in])

Bt1--46 to 91 cm (18 to 36 in); reddish brown (5YR 5/4) silty clay loam, reddish brown (5YR 4/4) moist; moderate fine subangular blocky structure; very hard, firm; common fine roots; common distinct clay films on faces of peds; moderately acid; gradual smooth boundary.

Bt2--91 to 122 cm (36 to 48 in); red (2.5YR 5/6) silty clay loam, red (2.5YR 4/6) moist; moderate medium subangular blocky structure; very hard, firm; common fine roots; common distinct clay films on faces of peds; slightly acid; gradual smooth boundary.

Bt3--122 to 167 cm (48 to 66 in); red (2.5YR 5/8) silty clay loam, red (2.5YR 4/8) moist; weak coarse subangular blocky structure; hard, firm; few fine roots; few distinct clay films on faces of peds; slightly acid. (Combined thickness of the Bt horizon is 23 to 130 cm [9 to 51 in])

TYPE LOCATION: Pawnee County, Oklahoma; about 8 miles northeast of Pawnee; 725 feet east and 150 feet south of the northwest corner of sec. 9, T. 22 N., R. 6 E.

USGS topographic quadrangle: Skedee, OK
Latitude: 36 degrees, 24 minutes, 19.42 seconds N
Longitude: 96 degrees, 40 minutes, 19.04 seconds W

Decimal Degrees
Latitude: 36.4053944
Longitude: -96.6719556
Datum: WGS84

UTM Easting: 708759.00 m
UTM Northing: 4031432.00 m
UTM Zone: 14N

RANGE IN CHARACTERISTICS:
Soil Moisture: Udic Ustic soil moisture regime
Solum thickness: more than 152 cm (60 in)
Thickness of mollic epipedon: is 30 to 41 cm (11 to 16 in)
Depth to secondary carbonates: is more than 102 (40 in)
Depth to argillic horizon: 45 to 105 cm (18 to 41 in)

A or Ap horizon:
Hue: 5YR to 10YR
Value: 4 or 5, 3 moist
Chroma: 2 to 4 dry, 2 or 3 moist
Texture: silt loam, loam, silty clay loam, or clay loam
Reaction (pH): moderately acid to neutral (5.6 to 7.3)

BA horizon:
Hue: 5YR to 10YR
Value: 4 or 5 dry, 3 moist
Chroma: 2 to 4 dry, 2 or 3 moist
Texture: silt loam, loam, silty clay loam, or clay loam
Reaction (pH): moderately acid to neutral (5.6 to 7.3)

Bt horizons (upper part):
Hue: 2.5YR or 5YR
Value: 4 or 5 dry, 4 moist
Chroma: 4 to 8 dry, 4 or 6
Texture: silty clay loam or clay loam
Reaction (pH): from moderately acid to slightly alkaline (5.6 to 7.8)

Bt horizon (lower part):
Hue: 2.5YR or 5YR
Value: 4 or 5 dry, 4 moist
Chroma: 4 or 6, 4 to 8 moist
Redoximorphic concentrations: amount-0 to 10 percent; size-0 to 10 mm; colors- red or brown; location-in matrix
Texture: clay loam, silty clay loam or silty clay
Reaction (pH): slightly acid to moderately alkaline (6.1 to 8.4)

BC horizon (where present):
Hue: 2.5YR or 5YR
Value: 4 or 5 dry, 4 moist
Chroma: 4 or 6, 4 to 8 moist
Texture: silty clay loam, clay loam or silty clay; some pedons have texture of silt loam below 152 cm (60 in)
Reaction (pH): slightly acid to slightly alkaline (6.1 to 7.8

COMPETING SERIES: There are no other series in the same family. Soils in similar families are Bethany, Chickasha, Dale, Grant, Justin, Kingfisher, Kirkland, Madge, Milan, Motley, Naron, Nashville, Navina, Ravia, Renfrow, Stoneburg, Teller, Vanoss, and Zaneis series.
Bethany, Kirkland, and Renfrow soils: have a fine control section.
Bethanysoils: have a mollic epipedon more than 51 cm (20 in) thick
Kirkland and Renfrow soils: have a COLE of 0.07 or more in a horizon at least 51 cm (20 in) thick
Chickasha, Madge, Milan, Naron, Navina, Ravia, Stoneburg, Teller, and Zaneis soils: have a fine-loamy control section and decrease in clay content by more than 20 percent within 152 cm (60 in)
Dale soils: have a mollic epipedon more than 51 cm (20 in) thick and do not have argillic horizons
Grant soils: have a solum less than 152 cm (60 in) thick and decrease in clay content by more than 20 percent within 152 cm (60 in)
Justin and Motley soils: have a fine-loamy control section
Kingfisher and Nashville soils: have a solum less than 102 cm (40 in) thick
Nashville soils: do not have an argillic horizon
Vanoss soils: decrease in clay content by more than 20 percent within 152 cm (60 in)

GEOGRAPHIC SETTING:
Parent material: formed in loamy alluvium of Pleistocene age
Landscape: paleoterraces
Landform: broad flats and upper side slopes
Slope: 0 to 8 percent
Mean Annual Precipitation: 762 to 1067 mm (30 to 42 in)
Mean Annual Temperature: 14 to 18 C (58 to 64 degrees F)
Frost-free period: 181 to 230 days
Elevation: 250 to 488 meters (820 to 1600 ft)
Thornthwaite Annual P-E indices: 44 to 64

GEOGRAPHICALLY ASSOCIATED SOILS: These are the similar Bethany, Grant, Navina, Pond Creek, Teller, and Vanoss series.
Bethany soils: are on the same or higher positions
Grant soils: are on side slopes
Navina, Pond Creek, Teller, and Vanoss soils: are on lower terraces or on the same terrace but nearer the stream
Pond Creek soils: have a mollic epipedon more than 51 cm (20 in) thick and decrease in clay content within a depth of 152 cm (60 in)

DRAINAGE AND PERMEABILITY:
Drainage: well drained
Permeability: moderately slow
Runoff: low on 0 to 1 percent slopes, medium on 1 to 5 percent slopes, and high on 5 to 8 percent slopes

USE AND VEGETATION:
Major uses: cultivated small grains, grain sorghums, cotton, and alfalfa are the principal crops. Some areas are used for tame pasture or rangeland.
Native vegetation: consists of mid and tall grasses.

DISTRIBUTION AND EXTENT:
Land Resource Region: H- Central Great Plains Winter Wheat and Range
Major Land Resource Area: 80A Central Rolling Red Prairies of Oklahoma and Kansas. Extent: extensive

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Temple, Texas

SERIES ESTABLISHED: Grady County, Oklahoma; 1942.

REMARKS:
Diagnostic horizons and features recognized in this pedon are:
Particle-size control section: 46 to 96 cm (18 to 38 in) (Bt1 and Bt2 horizons)
Mollic epipedon: 0 to 46 cm (0 to 18 in) (A horizon and BA horizon)
Argillic horizon: 46 to 168 cm (18 to 66 in) (Bt horizons)

ADDITIONAL DATA: KSSL, Lincoln, Nebraska Lab. No. S53OK-59-38, Type location pedon P2013OK117001.

TAXONOMIC VERSION: Keys to Soil Taxonomy, Twelfth Edition, 2014

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National Cooperative Soil Survey
U.S.A.