LOCATION CHASE KS+MOEstablished Series
TAXONOMIC CLASS: Fine, smectitic, mesic Aquertic Argiudolls
TYPICAL PEDON: Chase silty clay loam - in a cultivated field. (Colors are for moist soils unless otherwise stated.)
Ap--0 to 6 inches; black (10YR 2/1) silty clay loam, dark gray (10YR 4/1) dry; moderate fine and medium granular structure; slightly hard, friable, slightly plastic, slightly sticky; few worm casts; moderately acid; clear smooth boundary.
A--6 to 14 inches; black (10YR 2/1) silty clay loam, dark gray (10YR 4/1) dry; moderate medium granular structure; slightly hard, friable; slightly plastic, slightly sticky; few fine irregular shaped iron-manganese concretions; moderately acid; gradual smooth boundary. (Combined thickness of A horizon is 8 to 20 inches)
BA--14 to 20 inches; black (10YR 2/1) silty clay loam, dark gray (10YR 4/1) dry; moderate fine and medium subangular blocky structure; hard, firm, plastic and sticky; few fine distinct dark brown (10YR 3/3) masses of iron accumulation; few fine rounded iron-manganese concretions; few fine worm holes; few worm casts; slightly acid; gradual smooth boundary. (4 to 10 inches thick)
Bt1--20 to 34 inches; very dark gray (10YR 3/1) silty clay, gray (10YR 5/1) dry; moderate medium and fine blocky structure; very hard, very firm, very plastic, very sticky; common medium distinct dark yellowish brown (10YR 4/4) irregular shaped masses of iron accumulations; few fine rounded iron-manganese concretions; few fine clay films on ped faces; few fine worm holes; few worm casts; slightly acid; gradual smooth boundary.
Bt2--34 to 42 inches; very dark brown (10YR 2/2) silty clay, dark gray (10YR 4/1) dry; moderate medium blocky structure; very hard, very firm, very plastic, very sticky; common fine distinct yellowish brown (10YR 5/4) irregular shaped masses of iron accumulation; few fine rounded iron-manganese concretions; common fine clay films on ped faces; neutral; diffuse smooth boundary. (Combined thickness of the Bt horizons is 16 to 32 inches.)
BC--42 to 54 inches; very dark brown (10YR 2/2) silty clay loam, dark gray (10YR 4/1) dry; very weak blocky structure; hard, firm, plastic and sticky; few fine distinct yellowish brown (10YR 5/4) irregular shaped masses of iron accumulations; few fine rounded iron-manganese concretions; neutral; diffuse smooth boundary. (0 to 16 inches thick)
C--54 to 80 inches; very dark grayish brown (10YR 3/2) silty clay loam, dark gray (10YR 4/1) dry; massive; hard, firm, plastic and sticky; few fine distinct yellowish brown (10YR 5/4) irregular shaped iron accumulations; few fine rounded black iron-manganese concretions; slightly alkaline.
TYPE LOCATION: Lyon County, Kansas; 1 mile northeast of Reading; 330 feet west and 2,000 feet north of the southeast corner, Sec. 34, T. 17 S., R. 13 E.
RANGE IN CHARACTERISTICS:
Soil moisture: The soil moisture control section is Udic moisture regime.
Depth to argillic horizon: 12 to 30 inches
Depth to redox concentrations: 6 to 20 inches
Depth to episaturation: 24 to 48 inches from January to April
Thickness of the mollic epipedon: Greater than 36 inches.
Vertic features: The presence of linear extensibility of 6.0 cm or more at 20 to 42 inches.
Particle-size control section (weighted average):
Clay content: 35 to 55 percent
Sand content: 1 to 4 percent
A horizon:
Hue: 10YR
Value: 2 or 3 moist, 3 to 5 dry
Chroma: 1 or 2
Texture: Silt loam or silty clay loam
Clay content: 12 to 40 percent
Reaction: Moderately acid to neutral
BA horizon:
Hue: 10YR
Value: 2 or 3 moist, 3 to 5 dry
Chroma: 1 or 2
Texture: Silty clay loam
Clay content: 27 to 40 percent
Reaction: Moderately acid to neutral
Bt horizon:
Hue: 10YR or 2.5Y
Value: 2 to 5 moist, 4 to 6 dry
Chroma: 1 or 2
Texture: Silty clay loam, silty clay or clay
Clay content: 35 to 55 percent
Reaction: Moderately acid to slightly alkaline.
C horizon:
Hue: 10YR or 2.5Y
Value: 2 to 5 moist, 4 to 6 dry
Chroma: 1 or 2
Texture: Silty clay loam or silty clay
Clay content: 27 to 55 percent
Reaction: Slightly acid to moderately alkaline
Some pedons contain fine carbonate concretions.
COMPETING SERIES: These are the
Adair,
Arisburg,
Arispe,
Greenton,
Grundy,
Lagonda,
Lamoni,
Mahaska,
Martin,
Mayberry,
Pawnee,
Rutland,
Seymour,
Shorewood,
Tina, and
Wymore series.
These soils have mollic epipedons less than 36 inches thick.
In addition, Adair, Lamoni, Mayberry, and Pawnee soils contain more sand and coarse fragments in the series control section.
Malvern soils have redder hues in the Bt horizon.
GEOGRAPHIC SETTING:
Parent material: Alluvium that has low sand content.
Landform: Floodplains
Slopes: 0 to 2 percent
Mean annual temperature: 53 to 57 degrees F
Mean annual precipitation: 30 to 40 inches
Frost-free period: 160 to 185 days.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the
Ivan,
Kennebec,
Muscotah,
Osage,
Reading, and
Wabash soils.
Ivan, Kennebec, and Reading soils are fine-silty.
Kennebec and Ivan soils are on low floodplains.
Reading soils are on slightly higher areas.
Muscotah soils are on slightly lower areas.
Osage and Wabash soils do not have an argillic horizon, are more poorly
drained, and are on slightly lower areas.
DRAINAGE AND PERMEABILITY:
Drainage: Somewhat poorly or moderately well
Runoff: low or medium
Permeability: Slow
Seasonal high water table: 2 to 4 feet
Months: January to April
Flooded: Rare or Occasional
Duration: Brief
Months: March to June
USE AND VEGETATION: Almost all areas of Chase soils are cultivated. Wheat, corn, grain sorghum, and soybeans are the principal crops. Native vegetation is tall prairie grass with few to many deciduous trees.
DISTRIBUTION AND EXTENT: East central and northeastern Kansas. Series is of moderate extent.
MLRA OFFICE RESPONSIBLE: Salina, Kansas
SERIES ESTABLISHED: Riley County, Kansas, 1970.
REMARKS: Diagnostic horizons and features recognized in this pedon: mollic epipedon - the zone from the surface to a depth of about 54 inches; argillic horizon - the zone from about 20 to 42 inches (Bt1 and Bt2 horizons); udic moisture regime. This soil is considered not to be saturated to the surface.
Diagnostic horizons and features recognized in this pedon are:
Particle-size control section: The zone from 27 to 42 inches. (Bt1, Bt2 horizons)
Mollic epipedon: The zone from 0 to 54 inches.
Argillic horizon: The zone from 20 to 42 inches. (Bt1, Bt2 horizons)
Redoximorphic concentrations: In the zone from 6 to 80 inches.
Vertic features: The presence of linear extensibility of 6.0 cm or more at 20 to 42 inches.
Episaturation: The zone of saturation at 24 to 48 inches.
lrr=m
7/90
Split A horizon into Ap and A
Added mottles to BA and Bt1 horizons. These changes based on new pedon description of the site.
Minor revisions in RIC
Revised competing series paragraph
Added REMARKS paragraph
Date: 11/93 CEW
Removed stream terrace from the introductory paragraph.
Change classification to Fine, Montmorillonitic, mesic Aquertic Argiudolls.
Described "mottles" as redoximorphic features in the profile description.
Added Tina Series as a competing series.
Added Muscotah to the as a associated series.
Updated existing SOILS-5 and created a moderately well drained SOILS-5.
Date: 5/00 JCR
Changed format of OSD to semi-tabular from narrative.
Added Soil Interpretation Record clay content and sand content to "Range In Characteristics" and frost-free period to Geographic setting.
Changed runoff from low to medium based on permeability.