LOCATION NASSAWANGO MDEstablished Series
TAXONOMIC CLASS: Fine-silty, mixed, semiactive, mesic Typic Hapludults
TYPICAL PEDON: Nassawango silt loam, on a smooth 0 percent slope, in a cultivated field. (Colors are for moist soil.)
Ap--0 to 10 inches; dark brown (10YR 4/3) silt loam; weak fine granular structure; friable; slightly sticky, nonplastic; many fine and medium roots; very strongly acid; abrupt smooth boundary. (7 to 12 inches thick)
E--10 to 16 inches; light yellowish brown (10YR 6/4) silt loam; weak medium subangular blocky structure; friable; slightly sticky, nonplastic; many very fine and fine roots; strongly acid; clear smooth boundary. (0 to 8 inches thick)
Bt--16 to 36 inches; yellowish brown (10YR 5/6) silty clay loam; moderate medium subangular blocky structure; firm; moderately sticky, slightly plastic; common very fine and fine roots; distinct strong brown (7.5YR 5/8) clay films on faces of peds; very strongly acid; clear smooth boundary. (14 to 24 inches thick)
BC--36 to 44 inches; yellowish brown (10YR 5/6) silt loam; moderate medium subangular blocky structure; friable; slightly sticky, slightly plastic; few fine roots; extremely acid; clear smooth boundary. (0 to 10 inches thick)
2C1--44 to 48 inches; light yellowish brown (10YR 6/4) loamy sand; massive; very friable; nonsticky, nonplastic; few very fine roots; few, fine distinct yellowish brown (10YR 5/6) iron accumulations; extremely acid; clear wavy boundary.
2C2--48 to 60 inches; light yellowish brown (10YR 6/4) sand; massive; very friable; nonsticky, nonplastic; few very fine roots; few medium prominent light gray (10YR 7/1) iron depletions; extremely acid; clear smooth boundary.
2Cg--60 to 72 inches; light gray (5Y 7/1) fine sandy loam; massive; firm; nonsticky, nonplastic; few, coarse, prominent strong brown (7.5YR 5/8) iron accumulations; extremely acid.
TYPE LOCATION: Worcester County, Maryland; 0.1 mi South of Massey Branch on Old US Rt. 113, 100 feet East in a cultivated field: lat. 38 degrees 16 minutes 00 seconds N. and long. 75 degrees 16 minutes 30 seconds W.
RANGE IN CHARACTERISTICS:
Solum Thickness: 35 to 60 inches
Depth to Bedrock: Greater than 60 inches
Depth to Lithologic Discontinuity: 20 to 40 inches
Depth to Seasonal High Water Table: 42 to 72 inches, December to April
Rock Fragments: 0 to 5 percent, by volume in the solum and 0 to 10 percent in the substratum, mostly rounded gravel
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 3 to 6, chroma of 3 to 6
Texture--silt loam, loam, or fine sandy loam
E or BE horizon:
Color--hue of 10YR or 2.5Y, value of 3 to 6, chroma of 4 to 6
Texture--is silt loam or fine sandy loam
Bt horizon:
Color--hue of 7.5YR to 2.5Y, value of 4 to 6, chroma of 4 to 6
Texture--silt loam or silty clay loam
BC horizon:
Color--hue of 7.5YR to 2.5Y, value of 5 or 6, chroma of 4 to 8
Texture--silt loam or silty clay loam
2BC horizon (if it occurs):
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, chroma of 3 to 6
Texture--loamy sand, sandy loam, loam, sandy clay loam, or clay loam
Redoximorphic Features (if they occur)--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--hue of 7.5YR to 2.5Y, value of 4 to 7, chroma of 3 to 8
Texture--silt loam or silty clay loam
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
2C horizon;
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, chroma of 3 to 8
Texture--sand, loamy sand, sandy loam, loam, sandy clay loam, or clay loam and may be stratified
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 5Y to 2.5Y, value of 4 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7
Texture--sand, loamy sand, sandy loam, loam, sandy clay loam, or clay loam and may be stratified
Redoximorphic Features--iron depletions in shades of olive or gray and iron accumulations in shades of red, brown, yellow, or olive
COMPETING SERIES:
Cabool soils--moderately deep to lithic contact and formed in loess underlain by residuum from of chert and sandstone
Chillum soils--have a dense compact 2C horizon that is firm or very firm
Fletcher soils--deep to lithic contact and formed in residuum from phyllite
Gnawbone soils--moderately deep to paralithic contact and formed in residuum from siltstone
Greenbriar soils--deep to lithic contact and formed in a silty mantle underlain by residuum from acid shale and siltstone
Jessietown soils--moderately deep to lithic contact and formed in a silty mantle underlain by residuum from acid shale and siltstone
Matapeake--have a seasonal high water table at a depth greater than 72 inches
Purcellville soils--formed in residuum weathered from diorite, biotite schist, and greenstone schist
Talleyville soils--have sola more than 48 inches thick and formed in a silty mantle underlain by residuum weathered from basic rocks
Wernock soils--moderately deep to paralithic contact and formed in residuum weathered from shale, siltstone, and sandstone
Whitley soils--formed in silty alluvium derived from sandstone, siltstone, and shale
Wrays soils--deep to lithic contact and formed in loess underlain by residuum from siltstone
GEOGRAPHIC SETTING:
Landscape: Coastal Plain
Landform: Upland ridges and side slopes
Elevation: 0 to 40 feet
Parent Material: Silty eolian deposits underlain by loamy and sandy alluvial and marine sediments
Mean Annual Air Temperature: 52 to 58 degrees F.
Mean Annual Precipitation: 38 to 48 inches
Frost Free Period: 190 to 210 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Evesboro soils--excessively drained and have a sandy particle-size control section on higher landforms
Hambrook soils--have a fine-loamy particle-size control section, on similar landforms
Matapeake soils--do not have a seasonal high water above 72 inches, on higher landforms
Mattapex soils--moderately well drained, on lower-lying landforms
Othello soils--poorly drained, on lower-lying landforms
Woodstown soils--moderately well drained and have a fine-loamy particle-size control section, on lower-lying landforms
USE: Most areas are cleared and used for corn, soybeans, small grains and truck crops. Some small areas are in residential or commercial developments or pine plantations.
VEGETATION: Native vegetation includes black oak, hickory, beech, sweetgum, red maple, and loblolly pine.
DISTRIBUTION: Coastal Plain in Maryland, Delaware, and New Jersey
EXTENT: Moderate
SERIES ESTABLISHED: Worcester County, Maryland, 1993
REMARKS: This soil was formerly included in the Matapeake soil series.
Diagnostic horizons and other diagnostic soil characteristics recognized in this pedon are:
Ochric epipedon--the zone from 0 to 16 inches (A and E horizon)
Argillic horizon--the zone from 16 to 36 inches (Bt and 2 Bt horizons)
Aquic conditions--the zone from 48 inches to a depth of 80 inches is periodically saturated (endosaturation)
SERIES INTERPRETATION RECORD(S): MD0168
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation MD0168 NASSAWANGO 0- 5 52- 58 190-210 38-48 0-40SOI-5 FloodL FloodH Watertable Kind Months Bedrock Hardness MD0168 NONE 3.5-6.0 PERCHED DEC-APR >60
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC- MD0168 0-10 SIL FSL 0- 0 70-100 5-15 5- 15 MD0168 10-16 SIL 0- 0 100-100 5-15 2- 10 MD0168 16-36 SICL SIL 0- 0 100-100 18-30 2- 10 MD0168 36-44 SIL L 0- 0 100-100 10-20 2- 10 MD0168 44-60 LS S 0- 0 90-100 2-10 1- 3 MD0168 60-72 FSL SL SIL 0- 0 70- 95 8-20 1- 3
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll MD0168 0-10 4.5- 6.5 1.-2. 0- 0 0.6- 2.0 LOW MD0168 10-16 4.5- 6.5 0.-.5 0- 0 0.6- 2.0 LOW MD0168 16-36 3.5- 5.5 0.-.5 0- 0 0.2- 0.6 LOW MD0168 36-44 3.5- 5.5 0.-.5 0- 0 0.6- 2.0 LOW MD0168 44-60 3.5- 5.5 0.-.5 0- 0 6.0- 20 LOW MD0168 60-72 3.5- 5.5 0.-.5 0- 0 0.2- 2.0 LOW