LOCATION EDDINGS SCEstablished Series
TAXONOMIC CLASS: Loamy, siliceous, subactive, thermic Grossarenic Paleudults
TYPICAL PEDON: Eddings fine sand (in an area of Eddings fine sand, 0 to 6 percent slopes) in a cultivated field. (Colors are for moist soil, unless otherwise indicated.)
Ap--0 to 36 centimeters (about 0 to 14 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2) dry; fine sand; weak fine granular structure; very friable; common fine roots; neutral; abrupt smooth boundary. (15 to 38 centimeters; about 6 to 15 inches thick)
E1--36 to 61 centimeters (about 14 to 24 inches); yellowish brown (10YR 5/4) fine sand; weak fine granular structure; very friable; few fine roots; few fine black minerals; few fine flakes of mica; slightly acid; gradual smooth boundary. (20 to 50 centimeters; about 8 to 20 inches thick)
E2--61 to 112 centimeters (about 24 to 44 inches); very pale brown (10YR 7/3) fine sand; weak fine granular structure; very friable; few fine black minerals; few fine flakes of mica; slightly acid; clear smooth boundary. (40 to 65 centimeters; about 16 to 26 inches thick)
Bt1--112 to 147 centimeters (about 44 to 57 inches); yellowish brown (10YR 5/4) fine sandy loam; weak medium subangular blocky structure; friable; few fine black minerals; few fine flakes of mica; moderately acid; gradual smooth boundary. (0 centimeters to 33 centimeters; about 0 to 13 inches thick)
Bt2--147 to 168 centimeters (about 57 to 66 inches); brownish yellow (10YR 6/8) sandy clay loam; weak medium subangular blocky structure; friable; common medium distinct gray (10YR 6/1) iron depletions and few medium distinct yellowish red (5YR 5/8) masses of oxidized iron; few distinct clay films on surfaces along pores and on vertical faces of peds; few fine black minerals; few fine flakes of mica; strongly acid; gradual smooth boundary. (15 to more than 90 centimeters; about 6 to more than 36 inches thick)
BC--168 to 213 centimeters (about 66 to 84 inches); variegated brownish yellow (10YR 6/8), yellowish red (5YR 5/8), and gray (10YR 6/1) fine sandy loam; weak medium subangular blocky structure; friable; yellow and red areas are zones of oxidized iron, areas of gray are iron depletions; few pockets of sandy clay loam; few fine black minerals; few fine flakes of mica; strongly acid.
TYPE LOCATION: Beaufort County, South Carolina; 1.75 miles southwest of Sheldon; 1.75 miles south of junction of secondary State Highway 19 and U. S. Highway 21; 800 feet west of secondary State Highway 19. Elevation is about 28 feet.
RANGE IN CHARACTERISTICS:
Thickness of the sandy surface and subsurface layers: Greater than 100 centimeters (about 40 inches)
Depth to the top of the Argillic: Greater than 100 centimeters (about 40 inches)
Depth to the base of the Argillic horizon: Greater than 150 centimeters (about 60 inches)
Depth to Bedrock: Greater than 200 centimeters (about 80 inches)
Depth to Seasonal High Water Table: 100 to 150 centimeters (about 40 to 60 inches), December to March
Rock Fragment Content: 0 to 5 percent, by volume, throughout
Effective Cation Exchange Capacity: 3 to 10 milliequivalents per 100 grams of soil in the A horizon; 1 to 4 in E horizons; and 2 to 6 in the upper B horizon, and 2 to 8 in the lower B horizon
Soil Reaction: Extremely acid to slightly acid in the A and E horizons, except where limed and extremely acid to moderately acid in the B horizon
Other features: Mineralogy of the clay fraction is mixed
RANGE OF INDIVIDUAL HORIZONS:
Ap horizon or A horizon (where present):
Color--hue of 7.5YR to 2.5Y, value of 3 to 5, chroma of 2 to 4. Horizons with value of less than 3.5 are less than 15 centimeters (about 6 inches thick).
Texture--fine sand, loamy fine sand, or loamy sand
Clay content: 1 to 10 percent
E horizon:
Color--hue of 5YR to 5Y, value of 4 to 7, chroma of 3 to 8
Texture--fine sand, loamy fine sand, or loamy sand
Clay content: 1 to 10 percent
Mottles (where present)--shades of brown or yellow
Bt horizon (upper part) or BA horizon (where present):
Color--hue of 5YR to 10YR, value of 5 to 7, chroma of 4 to 8
Texture--sandy loam, fine sandy loam, or sandy clay loam
Clay content: 15 to 25 percent
Redoximorphic features--masses of oxidized iron in shades of red, brown, or yellow and iron depletions in shades of brown, olive, or gray. There are no depletions with chroma of 2 or less in the upper 12 (about 5 inches) of the argillic horizon.
Bt horizon (lower part) or BC horizon (where present):
Color--hue of 5YR to 2.5Y, value of 5 to 7, chroma of 3 to 8 or is variegated in shades of brown, red, yellow, or gray
Texture--sandy loam, fine sandy loam, sandy clay loam, or less commonly sandy clay
Clay content: 15 to 40 percent
Redoximorphic features--masses of oxidized iron in shades of red, brown, or yellow and iron depletions in shades of brown, olive, or gray. Depletions with chroma of 2 or less are within a depth of 150 centimeters (about 60 inches).
BCg or Cg horizon (where present):
Color--hue of 5YR to 5Y, value of 5 to 7, chroma of 1 or 2 or is neutral with value of 4 to 8
Texture--sandy loam, fine sandy loam, sandy clay loam, or sandy clay
Clay content: 12 to 40 percent
Redoximorphic features--masses of oxidized iron in shades of red, brown, or yellow and iron depletions in shades of brown, olive, or gray.
C horizon (where present):
Color--hue of 5YR to 5Y, value of 5 to 7, chroma of 3 to 8 or is variegated in shades of these colors
Texture--sandy loam, fine sandy loam, sandy clay loam, or sandy clay
Clay content: 12 to 40 percent
Redoximorphic features--masses of oxidized iron in shades of red, brown, or yellow and iron depletions in shades of brown, olive, or gray.
COMPETING SERIES:
Blanton soils--are on elevations above 12 meters (about 40 feet)
Darco soils--are on elevations above 120 meters (about 400 feet)
Murad soils--moderately well drained with a seasonal high water table above 1 meter (about 40 inches), on lower-lying landforms at similar elevation
Shankler soils--do not have 2 chroma depletions or a seasonal water table within 150 centimeters (60 inches)
Tehran soils--do not have 2 chroma depletions or a seasonal water table within 150 centimeters (60 inches)
Wadley soils--do not have 2 chroma depletions or a seasonal water table within 180 centimeters (about 72 inches)
GEOGRAPHIC SETTING:
Elevation Range: 2 to 12 meters (about 5 to 40 feet)
Frost Free Period: 220 to 270 days
Mean Annual Air Temperature: 14 to 21 degrees C. (about 57 to 70 degrees F.)
Mean Annual Precipitation: 1020 to 1270 millimeters (about 40 to 50 inches)
GEOGRAPHICALLY ASSOCIATED SOILS:
Murad soils--moderately well drained with a seasonal high water table above 1 meter (about 40 inches), on lower-lying landforms
Chipley soils--are sandy throughout and have a seasonal high water table at 45 to 90 centimeters (about 18 to 36 inches), on lower-lying landforms
Chisolm soils--have thinner sandy surface layers 50 to 100 centimeters (about 20 to 40 inches) thick, on similar landforms
Coosaw soils--have thinner sandy surface layers 50 to 100 centimeters (about 20 to 40 inches) thick and a seasonal high water table at 60 to 90 centimeters (about 24 to 36 inches), on lower-lying landforms
Hobcaw soils--have thinner sandy surface layers less than 50 centimeters (about 20 inches) thick and a seasonal high water table at or near the soil surface; on lower-lying landforms
Lakeland soils--are sandy throughout and have a seasonal high water table at more than 2 meters (about 80 inches), on higher landforms
Ogeechee soils--have thinner sandy surface layers less than 50 centimeters (about 20 inches) thick and a seasonal high water table within 30 centimeters (about 12 inches) of the soil surface; on lower-lying landforms
Williman soils--have thinner sandy surface layers 50 to 100 centimeters (about 20 to 40 inches) thick and a seasonal high water table within 30 centimeters (about 12 inches) of the soil surface; on lower-lying landforms
Yauhannah soils--have thinner sandy surface layers less than 50 centimeters (about 20 inches) thick and a seasonal high water table at 45 to 75 centimeters (about 18 to 30 inches); on lower-lying landforms
Yemassee soils--have thinner sandy surface layers less than 50 centimeters (about 20 inches) thick and a seasonal high water table at 30 to 45 centimeters (about 12 to 18 inches); on lower-lying landforms
DRAINAGE AND PERMEABILITY:
Drainage Class (Agricultural): Well drained
Internal Free Water Occurrence: Deep (100 to 150 centimeters; about 40 to 60 inches to free water); Common (present 3 months, typically January to March)
Flooding Frequency and Duration: None
Ponding Frequency and Duration: None
Index Surface Runoff: Negligible to medium
Saturated Hydraulic Conductivity: High or very high in the upper part (42.34 to 141.14 micrometers per second) and moderately high (4.23 to 14.11 micrometers per second) in the lower part
Shrink-swell potential: Low
USE AND VEGETATION:
Major uses: Many areas are cleared and used cultivated crops
Dominant vegetation: Where cultivated--soybeans, small grain, truck crops, and pasture grasses. Where wooded--mixed pine and hardwood, including loblolly pine, slash pine, longleaf pine and white oak, red oak, turkey oak, and post oak. Understory species include dogwood, and hickory.
DISTRIBUTION AND EXTENT:
Distribution: Lower Coastal Plain of South Carolina
Extent: Small
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: Beaufort County, South Carolina; 1975.
REMARKS: Eddings soils are limited to elevations below 12 meters (about 40 feet). The sand mineralogy was initially mixed, but was revised in 1980 to siliceous with mixed clay mineralogy.
Diagnostic horizons and soil characteristics recognized in this pedon:
Ochric epipedon--the zone from the surface to a depth of 112 centimeters; about 44 inches (A and E horizons)
Grossarenic feature--a zone with sandy particle-size class extending from 0 to 112 centimeters; about 0 to 44 inches (A and E horizons)
Argillic horizon--the zone from 112 to 213 centimeters; about 44 to 83 inches (Bt and BC horizons)
Redox concentrations--the zone from 147 to 213 centimeters; about 57 to 83 inches (Bt and BC horizons)
Redox depletions with chroma of 2 or less--the zone from 147 to 213 centimeters; about 57 to 83 inches (Bt and BC horizons)
Series control section--the zone from 0 to 200 centimeters; about 80 inches.
ADDITIONAL DATA:
Laboratory Data: No laboratory data available.
Database Information:
Data Mapunit ID--TBD
User Pedon ID--TBD