LOCATION LENNI DE+MD NJEstablished Series
TAXONOMIC CLASS: Fine, mixed, active, mesic Typic Endoaquults
TYPICAL PEDON: Lenni silt loam (in an area of Lenni silt loam, 0 to 2 percent slopes) on a smooth 1 percent slope in woodland. (Colors are for moist soil unless otherwise indicated.)
Oe--0 to 5 cm (0 to 2 inches); moderately decomposed plant material, loose leaves, and twigs. (0 to 8 cm thick)
A--5 to 18 cm (2 to 7 inches); very dark grayish brown (10YR 3/2) silt loam, brown (10YR 4/3) dry; moderate coarse granular structure; very friable, nonsticky; nonplastic; many fine and medium and few coarse roots throughout; extremely acid; abrupt wavy boundary. (5 to 23 cm thick)
Eg--18 to 28 cm (7 to 11 inches); light gray (5Y 7/2) loam; moderate fine and medium subangular blocky structure; friable; slightly sticky; nonplastic; common fine and medium roots and few coarse roots; few fine distinct brownish yellow (10YR 6/6) iron masses; extremely acid; abrupt smooth boundary. (0 to 20 cm thick)
Btg1--28 to 36 cm (11 to 14 inches); light brownish gray (2.5Y 6/2) loam; moderate fine and medium subangular blocky structure; friable; slightly sticky; nonplastic; common fine and very fine roots; dark stains in root channels; few fine prominent strong brown (7.5YR 5/8) iron masses; extremely acid; clear smooth boundary.
Btg2--36 to 61 cm (14 to 24 inches); grayish brown (2.5Y 5/2) clay; strong medium and coarse subangular blocky structure; firm; slightly sticky; slightly plastic; common medium prominent reddish yellow (5YR 6/6) and common medium distinct brownish yellow (10YR 6/6) iron masses; common very fine and fine roots; common faint clay films on faces of peds and in pores; extremely acid; clear smooth boundary.
Btg3--61 to 119 cm (24 to 47 inches); gray (5Y 6/1) clay; weak coarse prismatic structure parting to strong fine and medium angular blocky; firm; moderately sticky; slightly plastic; few fine and very fine roots between peds; common medium prominent yellowish brown (10YR 5/8) and few medium prominent red (2.5YR 5/8) iron masses throughout; few distinct dark gray (5Y 4/1) skeletans on faces of peds and in pores; extremely acid; clear smooth boundary. (Combined thickness of Btg horizon is 56 to 122 cm )
2BCg--119 to 130 cm (47 to 51 inches); light gray (5Y 7/2) clay loam; weak fine and medium subangular blocky structure; friable; slightly sticky; nonplastic; few fine roots between peds; many medium prominent strong brown (7.5YR 5/8) iron masses; very strongly acid; abrupt smooth boundary. (0 to 25 cm thick)
2Cg1--130 to 142 cm (51 to 56 inches); light gray (5Y 7/1) sandy loam; massive; friable; nonsticky; nonplastic; few fine roots; many coarse prominent strong brown (7.5YR 5/8) and reddish yellow (7.5YR 6/8) iron masses; 2 percent, by volume pebbles; extremely acid; gradual wavy boundary.
2Cg2--142 to 203 cm (56 to 80 inches); gray (5Y 5/1) and grayish brown (2.5Y 5/2) sandy loam; massive; very friable; nonsticky; nonplastic; few coarse roots; common coarse prominent strong brown (7.5YR 5/8) and distinct brownish yellow (10YR 6/6) iron masses; common fine feldspar grains; 1 percent, by volume pebbles; very strongly acid.
TYPE LOCATION: Sussex County, Delaware; Southwest of Seaford, approximately 200 feet east and 850 feet north of the intersection of County Roads 541 and 538, about 60 feet into the woods east of the ditch along edge of field; USGS Sharptown, Delaware quadrangle; lat. 38 degrees 37 minutes 25 seconds N. and long. 75 degrees 39 minutes 49 seconds W., NAD 83; Major Land Resource Area 153D
RANGE IN CHARACTERISTICS:
Depth to base of Argillic horizon: 30 to 70 inches
Depth to Bedrock: Greater than 183 cm (72 inches)
Depth to Seasonal High Water Table: 0 to 25 cm (0 to 10 inches), December to May
Rock fragments: 0 to 5 percent, by volume throughout the profile; mostly pebbles
Soil Reaction: Extremely acid to strongly acid throughout the profile, unless limed
RANGE OF INDIVIDUAL HORIZONS:
O horizon:
Texture: Slightly or moderately decomposed plant materials, including some leaves and twigs
A or Ap horizon:Color--hue of 10YR to 5Y, value of 3 to 7, chroma of 1 to 3, or is neutral with value of 3 to 7
Texture--sandy loam, fine sandy loam, loam, silt loam
Redoximorphic features (if they occur)--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
Eg horizon:
Color--hue of 10YR to 5Y, value of 3 to 7, chroma of 1 to 3, or is neutral with value of 3 to 7
Texture--loam, fine sandy loam, or silt loam
Redoximorphic features--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
Btg and 2Btg horizons:
Color--hue of 10YR to 5Y, value of 4 to 8, chroma 1 or 2, or is neutral with value of 4 to 7
Texture--sandy clay loam, loam,sandy clay, clay loam, silty clay loam, silty clay, or clay
Redoximorphic features--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
2BCg horizon:
Color--hue of 10YR to 5Y, value of 4 to 7, chroma of 1 or 2, or is neutral with value of 3 to 7
Texture--sandy loam, fine sandy loam, loam, silt loam, sandy clay loam, or clay loam
Redoximorphic features--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
2Cg horizon:
Color--hue of 10YR to 5Y, values of 4 to 7, chroma of 1 or 2, or is neutral with value of 3 to 7
Texture--loamy fine sand, loamy sand, coarse loamy sand, sandy loam, loam, or sandy clay loam. Some pedons may be stratified.
Redoximorphic features--iron masses in shade of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray
COMPETING SERIES:
Armagh soils--have rock fragments of shale, siltstone or sandstone and have formed in residuum from acid gray shale
Kinkora soils--have mica flakes in the B and C horizons and have formed in old, clayey alluvial sediments derived from mixed crystalline rock
Purdy soils--have moderately low or low saturated hydraulic conductivity throughout and have formed in old, clayey alluvial sediments derived from mixed sedimentary rocks
GEOGRAPHIC SETTING:
Landscape: Coastal plain upland
Landform: Low-lying uplands; flats, swales, broad interstream divides, and shallow depressions
Parent Material: Clayey fluviomarine sediments
Slope: 0 to 5 percent
Elevation: 3 to 30.5 meters (10 to 100 feet) above mean sea level
Frost Free Period: 185 to 205 days
Mean Annual Air Temperature: 11 to 14 degrees C. (52 to 58 degrees F.)
Mean Annual Precipitation: 1070 to 1220 mm (42 to 48 inches)
GEOGRAPHICALLY ASSOCIATED SOILS:
Elkton soils--have 27 to 35 percent clay in the particle-size control section; on similar landforms
Fallsington soils--have 18 to 35 percent clay in the particle-size control section; on similar landforms
Keyport soils--have a seasonal high water table at 46 to 107 cm (18 to 42 inches) below the soil surface (moderately well drained); on higher landforms
Matapeake soils--have a seasonal high water table at 122 to 183 cm (48 to 72 inches) below the soil surface (well drained); on higher landforms
Mattapex soils--have a seasonal high water table at 46 to 91 cm (18 to 36 inches) below the soil surface (moderately well drained); on higher landforms
Othello soils--have 18 to 27 percent clay in the particle-size control section; on similar landforms
Pepperbox soils--have a seasonal high water table at 61 to 91 cm (24 to 36 inches) below the soil surface (moderately well drained); on slightly higher landforms capped by eolian sands
Rosedale soils--have a seasonal high water table at 102 to 183 cm (40 to 72 inches) below the soil surface (well drained); on higher landforms capped by eolian sands
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage Class (Agricultural): Poorly drained
Internal Free Water Occurrence: Very Shallow (0 to 10 inches) and common (present 3 to 6 months)
Flooding Frequency and Duration: None
Ponding Frequency and Duration: None to occasional, and none to brief
Saturated Hydraulic Conductivity: Moderately low in the subsoil and high to very high in the substratum
Permeability (obsolete):Slow in the subsoil and moderately rapid to rapid in the substratum
Index Surface Runoff: Low or medium
Shrink-swell potential: Moderate
USE AND VEGETATION:
Major Uses: Cultivated crops and woodland
Dominant Vegetation: Where cultivated--mostly agronomic crops such as corn, wheat and soybeans. Where wooded-- wetland hardwoods, mostly sweetgum, red maple, and wetland oaks Basket Oak (Quercus prinus), Sweet Gum (Liquidambar stryaciflua), Loblolly Pine (Pinus taeda) and American Holly (Ilex opaca).
DISTRIBUTION AND EXTENT:
Distribution: Coastal Plain of Delaware, Maryland, and New Jersey
Extent: Moderate
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Morgantown, West Virginia
SERIES ESTABLISHED: Gloucester County, New Jersey, 2004.
REMARKS: This soil was formerly included in the Elkton series (before it was recorrelated to fine-silty).
Diagnostic horizons and soil characteristics recognized in this pedon:
Ochric epipedon--the zone from 5 to 28 cm (Ap and Eg horizon)
Argillic horizon--the zone from 28 to 119 cm (Btg horizon)
Aquic conditions--the soil has redox depletions and concentrations within the upper 60 cm of the argillic horizon, with periodic saturation and reduction at some time during the year
Other soil features identified with this pedon:
Series control section--the zone from 0 to 150 cm
ADDITIONAL DATA: This pedon sampled as S93DE-005-014.
Data Mapunit ID (type location): 444562
Previous revisions: 10/2005-PSK,JEB, JWB