LOCATION HURLOCK MD+DE
Established Series
JEB-WDC/Rev. JAK
11/2015
HURLOCK SERIES
TAXONOMIC CLASS: Coarse-loamy, siliceous, semiactive, mesic Typic Endoaquults
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: RALEIGH, NORTH CAROLINA
DEPTH CLASS: Very deep
DRAINAGE CLASS: Poorly drained
PERMEABILITY: Moderately rapid in the solum, moderately rapid to rapid in the C horizon, and moderately slow to slow in the 2C horizon
SURFACE RUNOFF: Slow to ponded
PARENT MATERIAL: Stratified alluvial and marine sediments
SLOPE: 0 to 2 percent
MEAN ANNUAL AIR TEMPERATURE (type location): 55 degrees F.
MEAN ANNUAL PRECIPITATION (type location): 45 inches
TAXONOMIC CLASS: Coarse-loamy, siliceous, semiactive, mesic Typic Endoaquults
TYPICAL PEDON: Hurlock sandy loam, on a smooth 0 percent slope, in woodland. (Colors are for moist soil).
Oe--0 to 3 inches; moderately decomposed to slightly decomposed leaves, needles, and twigs; abrupt smooth boundary. (0 to 4 inches thick)
A--3 to 6 inches; black (10YR 2/1) sandy loam; weak fine granular structure; very friable; slightly sticky, slightly plastic; many very fine, fine, and medium roots; common very fine and fine irregular pores; very strongly acid; abrupt smooth boundary. (2 to 8 inches thick)
Eg--6 to 13 inches; gray (10YR 6/1) sandy loam; weak fine subangular blocky structure; very friable; slightly sticky, slightly plastic; many fine and very fine, and few coarse and medium roots; many very fine, and common fine tubular pores; strongly acid; gradual smooth boundary. (0 to 10 inches thick)
Btg--13 to 25 inches; gray (10YR 6/1) sandy loam; moderate medium subangular blocky structure; friable; slightly sticky, slightly plastic; common very fine and fine, and few medium roots; many very fine and common fine tubular pores; common faint and distinct clay films on faces of peds and clay bridging between sand grains; common medium prominent strong brown (7.5YR 5/8) irregularly shaped soft iron accumulations; very strongly acid; gradual wavy boundary. (10 to 28 inches thick)
BCg--25 to 28 inches; light brownish gray (10YR 6/2) loamy sand; weak medium subangular blocky structure; very friable; slightly sticky; common very fine, and few medium and fine roots; many very fine irregular pores; faint clay bridging between sand grains; common medium prominent strong brown (7.5YR 5/8) irregularly shaped soft iron accumulations; very strongly acid; clear smooth boundary. (0 to 6 inches thick)
Cg1--28 to 41 inches; light brownish gray (10YR 6/2) sand; single grain; loose; few very fine and fine roots; few medium prominent strong brown (7.5YR 5/8) soft iron accumulations; very strongly acid; clear wavy boundary.
Cg2--41 to 53 inches; light gray (10YR 7/1) sand; single grain; loose; few very fine roots; extremely acid; clear wavy boundary.
Cg3--53 to 63 inches; gray (10YR 5/1) loamy sand; massive; very friable; many coarse prominent strong brown (7.5YR 5/8) soft iron accumulations and common medium distinct light gray (10YR 7/1) iron depletions; very strongly acid; abrupt wavy boundary. (combined thickness of the Cg horizons is 20 to 40 inches thick)
2Cg4--63 to 69 inches; gray (5Y 6/1) stratified silt loam and very fine sandy loam; massive; friable; slightly sticky, slightly plastic; common fine prominent strong brown (7.5YR 5/6) soft masses of iron accumulation; very strongly acid.
TYPE LOCATION: Dorchester County, Maryland; about 2.25 miles south of Secretary; 1,000 feet northwest of the intersection of Hicksburg Road and Red Hill Road; lat. 38 degrees 34 minutes 39 seconds N. and long. 75 degrees 57 minutes 11 seconds W.
RANGE IN CHARACTERISTICS:
Solum Thickness: 20 to 40 inches
Depth to Bedrock: Greater than 60 inches
Depth to Seasonal High Water Table: 0 to 12 inches, December to May
Rock Fragments: 0 to 5 percent, by volume in the solum and 0 to 15 percent in the substratum, mostly quartz gravel
Depth to Lithologic Discontinuity and Stratified Materials: 40 to 80 inches, typically between 48 and 66 inches
Soil Reaction: Extremely acid to strongly acid, throughout the profile, unless limed
RANGE OF INDIVIDUAL HORIZONS:
A or Ap horizon:
Color--hue of 10YR or 2.5Y, value of 2 to 6, chroma of 1 or 2
Texture--sandy loam or loamy sand
Eg horizon:
Color--hue of 10YR to 5Y, value of 3 to 7, chroma of 1 or 2
Texture--sandy loam or loamy sand
Redoximorphic Features (if they occur)--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
Btg horizon:
Color--hue of 10YR to 5Y, value of 4 to 7, chroma of 1 or 2
Texture--sandy loam. Some pedons have thin layers of sandy clay loam or loam.
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
BCg horizon:
Color--hue of 10YR to 5Y, value of 5 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7
Texture--loamy sand or sandy loam
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
BC horizon (if it occurs):
Color--hue of 10YR to 5Y, value of 5 to 7, chroma of 3 or 4
Texture--loamy sand or sandy loam
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
Cg horizon:
Color-hue of 10YR to 5Y, value of 4 to 8, and chroma of 1 or 2, or is neutral with value of 4 to 8
Texture--sand, loamy sand, or loamy corse sand
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
C horizon (if it occurs):
Color--10YR through 5Y, value of 4 to 8, and chroma of 4 to 8
Texture--sand, loamy sand, loamy coarse sand, or sandy loam and be stratified with thin layers of finer-textured material
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
2Cg horizon:
Color--hue of 10YR to 5Y, value of 5 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7
Texture--Stratified fine sandy loam, very fine sandy loam, loam, silt loam, or silty clay loam, commonly in horizontal bands 2 to 6 inches thick.
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
Ab horizon (if it occurs, is below 60 inches):
Color--hue of 10YR to 5Y, value of 3 to 5, chroma of 1 to 4
Texture--fine sandy loam, very fine sandy loam, loam, silt loam, or silty clay loam
COMPETING SERIES: None
GEOGRAPHIC SETTING:
Landscape: Coastal Plain
Landform: Low-lying uplands, broad depressions, and narrow ancient floodplains
Elevation: 5 to 80 feet
Parent Material: Stratified alluvial and marine sediments
Mean Annual Air Temperature: 52 to 58 degrees F.
Mean Annual Precipitation: 42 to 48 inches
Frost Free Period: 190 to 210 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Hammonton soils--moderately well drained, on higher landforms
Klej soils--somewhat poorly drained and have a sandy particle-size control section, on similar landforms
Pone soils--very poorly drained and have an umbric epipedon, on lower-lying landforms
Woodstown soils--moderately well drained soils and have a fine-loamy particle-size control section, on higher landforms
USE: Most areas are wooded. Some areas are cleared and used for growing corn, small grain and soybeans.
VEGETATION: Wooded areas have an overstory of sweetgum, red oak, white oak, willow oak, loblolly pine, and red maple. Common understory species are greenbriar, American holly, highbush blueberry, and sweetbay.
DISTRIBUTION: Coastal Plain of Maryland and
Delaware
EXTENT: Moderate
SERIES ESTABLISHED:
Dorchester County, Maryland, 1996
REMARKS: This soil was formerly included in the Fallsington series. Laboratory data indicate a base saturation (by sum of cations) greater than 35 percent, on cropland areas, and a base saturation of less than 35 percent in woodland areas. Scientists believe the high base saturation in this soil has been caused by long-time cropping practices (liming), and the soil would revert to a lower base saturation if the cropland areas were converted back to woodland.
Diagnostic horizons and other diagnostic soil characteristics recognized in this pedon are:
Ochric epipedon--the zone from 3 to 6 inches (A horizon).
Albic horizon--the zone form 6 to 13 inches (Eg horizon)
Argillic horizon--the zone from 13 to 25 inches (Btg horizon)
Aquic conditions--the zone from 6 inches to a depth of 80 inches is periodically saturated (endosaturation)
SERIES INTERPRETATION RECORD(S): MD0148
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation
MD0148 HURLOCK 0- 2 52- 58 190-210 42- 48 5- 80
SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness
MD0148 NONE 0-1.0 APPARENT DEC-MAY >-60
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC-
MD0148 0- 3 SL 0- 0 90-100 5-12 3- 10
MD0148 0- 3 LS 0- 0 90-100 3- 8 3- 5
MD0148 3-22 SL 0- 0 90- 95 8-18 1- 5
MD0148 22-60 S LS 0- 0 75-100 3- 8 1- 5
MD0148 60-66 SR VFSL SICL 0- 0 75- 95 15-30 1- 5
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll
MD0148 0- 3 3.6- 5.5 .5-4. 0- 0 2.0- 6.0 LOW
MD0148 0- 3 3.6- 5.5 .5-3. 0- 0 6.0- 20 LOW
MD0148 3-22 3.6- 5.5 0.-.5 0- 0 2.0- 6.0 LOW
MD0148 22-60 3.6- 5.5 0.-.5 0- 0 2.0- 20 LOW
MD0148 60-66 3.6- 5.5 0.-.5 0- 0 0.06- 0.6 LOW
National Cooperative Soil Survey
U.S.A.