LOCATION DOGUE VA+GA NCEstablished Series
TAXONOMIC CLASS: Fine, mixed, semiactive, thermic Aquic Hapludults
TYPICAL PEDON: Dogue loam (Colors are for moist soil, unless otherwise indicated.)
A--0 to 4 inches; dark grayish brown (2.5Y 4/2) loam; moderate fine granular structure; very friable, nonsticky, nonplastic; many fine roots; few fine pores; strongly acid; clear smooth boundary. (2 to 10 inches thick)
E--4 to 10 inches; light olive brown (2.5Y 5/4) loam; weak fine subangular blocky structure; friable, nonsticky, nonplastic; many fine and medium roots; few fine pores; strongly acid; clear smooth boundary. (0 to 8 inches thick)
Bt1--10 to 14 inches; yellowish brown (10YR 5/6) clay loam; weak medium subangular blocky structure; firm, moderately sticky, moderately plastic; common fine roots; few fine pores; few faint clay films on faces of peds; few fine flakes of mica; very strongly acid; clear smooth boundary.
Bt2--14 to 24 inches; yellowish brown (10YR 5/6) clay; moderate fine angular blocky structure; firm, moderately sticky, moderately plastic; common fine roots; few fine pores; common distinct clay films on faces of peds; few fine flakes of mica; strongly acid; clear smooth boundary.
Bt3--24 to 34 inches; yellowish brown (10YR 5/6) clay loam; moderate medium angular blocky structure; firm, moderately sticky, moderately plastic; few fine roots; common medium faint strong brown (7.5YR 5/6) masses of oxidized iron and common medium prominent light brownish gray (10YR 6/2) and gray (10YR 5/1) iron depletions; common distinct clay films on faces of peds; common fine flakes of mica; very strongly acid; clear smooth boundary.
Bt4--34 to 47 inches; 40 percent strong brown (7.5YR 5/8), 30 percent gray (10YR 5/1), and 10 percent red (2.5YR 4/6) clay loam; moderate fine angular blocky structure; firm, moderately sticky, moderately plastic; few fine roots; few gray (10YR 5/1) clay films on faces of peds; common fine flakes of mica; very strongly acid; gradual smooth boundary. (Combined thickness of the Bt horizon is 25 to 50 inches.)
2C--47 to 65 inches; strong brown (7.5YR 5/6) stratified loamy fine sand and sandy loam; massive; very friable, nonsticky, nonplastic; many medium prominent light brownish gray (10YR 6/2) iron deletions; common fine flakes of mica; very strongly acid.
TYPE LOCATION: King George County, Virginia, 30 yards west of VA-631, 75 yards north of VA-607.
RANGE IN CHARACTERISTICS:
Depth to top of argillic horizon: 2 to 18 inches
Depth to base of argillic horizon: 40 to 60 inches (solum thickness)
Depth to bedrock: Greater than 60 inches
Depth to seasonal high water table: 18 to 36 inches, January to March
Soil Reaction: Extremely acid to strongly acid, except where limed
Rock fragment content: 0 to 15 percent, by volume in the A and B horizons; 0 to 25 percent in the C horizon; mostly rounded quartzite gravel
Mica content: 0 to 20 percent, by volume
Other features: Average clay content in the particle-size control section is 35 to 50 percent, silt content is less than 30 percent, or silt plus very fine sand is less than 40 percent
RANGE OF INDIVIDUAL HORIZONS:
A or Ap horizon:
Color--hue of 10YR or 2.5Y, value of 3 to 6, chroma of 2 to 4. Where value is 3, surface layer is less than 6 inches thick or the color mixed to a depth of 6 inches has value of more than 3.
Texture--loam, silt loam, fine sandy loam, very fine sandy loam, or sandy loam
E horizon:
Color--hue of 10YR or 2.5Y, value of 4 to 7, chroma of 3 to 6
Texture--sandy loam, fine sandy loam, very fine sandy loam, loam, or silt loam
BE or BA horizons (where present):
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, chroma of 4 to 8
Texture--clay loam, sandy clay loam, or loam
Bt horizon:
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, chroma of 3 to 8
Texture--clay loam, sandy clay loam, sandy clay, or clay
Redoximorphic features--masses of oxidized iron in shades of brown, yellow, or red and iron depletions in shades of brown, olive, or gray
Btg horizon (where present):
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7
Texture--clay loam, sandy clay loam, sandy clay, or clay
Redoximorphic features--masses of oxidized iron in shades of brown, yellow, or red and iron depletions in shades of brown, olive, or gray
BC or CB horizons (where present):
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, chroma of 3 to 8
Texture--sandy loam, sandy clay loam, clay loam, or sandy clay
Redoximorphic features--masses of oxidized iron in shades of brown, yellow, or red and iron depletions in shades of brown, olive, or gray
BCg or CBg horizons (where present):
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, and chroma of 1 or 2, or is neutral with value of 4 to 7
Texture--sandy loam, sandy clay loam, clay loam, or sandy clay
Redoximorphic features--masses of oxidized iron in shades of brown, yellow, or red and iron depletions in shades of brown, olive, or gray
C horizon or 2C horizon (where present):
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, and chroma of 3 to 8
Texture--typically stratified, ranging form from sand to sandy clay loam in the fine-earth fraction
Redoximorphic features--masses of oxidized iron in shades of brown, yellow, or red and iron depletions in shades of brown, olive, or gray
Cg or 2Cg horizon (where present):
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, and chroma of 1 or 2, or is neutral with value of 3 to 8
Texture--typically stratified, ranging from sand to sandy clay loam in the fine-earth fraction
Redoximorphic features--masses of oxidized iron in shades of brown, yellow, or red and iron depletions in shades of brown, olive, or gray
COMPETING SERIES:
Annemaine soils--have dominant hue redder than 7.5YR
Beason soils--have more than 30 percent silt in the particle-size control section
Cid soils--have lithic contact at a depth of 20 to 40 inches
Craven soils--have more than 30 percent silt in the particle-size control section
Creedmoor soils--have very slow permeability in the Bt horizon
Eulonia soils--have a dominantly gray lower Bt horizon and low shrink-swell potential
Gritney soils--have a perched water table
Helena soils--have a high shrink-swell potential in the lower part of the Bt horizon
Lignum soils--have a solum 20 to 40 inches thick
Maubila soils--have a perched water table and fragments of ironstone in the Bt horizon
Nemours soils--have dominant hue redder than 7.5YR
Nevarc soils--have a perched water table and are generally on steeper slopes
Newco soils--have dominant hue redder than 7.5YR
Peawick soils--have a high shrink-swell potential in the lower part of the Bt horizon, the particle-size control section has more than 30 percent silt or more than 40 percent silt plus very fine sand, and aluminum saturation on the exchange complex is commonly greater than 50 percent
Prosperity soils--have paralithic contact within a depth of 60 inches
Sacul soils--have dominant hue redder than 7.5YR
Telfair soils--have depth to bedrock ranges from 20 to 40 inches
Vinita soils--have a 20 to 40 inch thick solum
Wolftever soils--have more than 30 percent silt in the particle-size control section
GEOGRAPHIC SETTING:
Landscape: Coastal plains
Landform: Stream terraces, marine terraces
Geomorphic Component: Treads, interfluves
Hillslope Profile Position: Not assigned
Parent Material: Clayey marine and fluviomarine deposits
Slope: 0 to 15 percent
Elevation: 5 to 100 feet
Frost Free Period: 175-260 days
Mean Annual Air Temperature: 57 to 65 degrees F.
Mean Annual Precipitation: 35 to 55 inches
GEOGRAPHICALLY ASSOCIATED SOILS:
Augusta soils--are somewhat poorly drained (seasonal high water table of 12 to 24 inches) and fine-loamy; on lower landforms
Bertie soils--are somewhat poorly drained (seasonal high water table 12 to 18 inches) and fine-loamy; on similar landscapes
Bojac soils--well drained soils (seasonal high water table 48 to 72 inches) and coarse-loamy; on slightly higher landscapes
Chesapeake soils--are well drained (seasonal high water table 48 to 72 inches) and fine-loamy; on higher landscapes
Conetoe soils--well drained (seasonal high water table below 72 inches) and loamy; on slightly higher landscapes
Dragston soils--somewhat poorly drained (seasonal high water table 0 to 12 inches) and coarse-loamy; on similar landscapes
Gertie soils--poorly drained (seasonal high water table 0 to 12 inches); on flats and in depressions
Munden soils--moderately well drained (seasonal high water table 18 to 30 inches) and coarse-loamy; on similar landscapes
State soils--well drained (seasonal high water table 42 to 72 inches) and coarse-loamy; on slightly higher landscapes
Tarboro soils--somewhat excessively drained (seasonal high water table below 72 inches) and sandy throughout; on slightly higher landscapes
Tetotum soils--moderately well drained (seasonal high water table 18 to 30 inches) and fine-loamy; on similar landscapes
Tomotley soils--poorly drained (seasonal high water table 0 to 12 inches); on flats and in depressions
Wahee soils--somewhat poorly drained (seasonal high water table 12 to 18 inches); on similar landscapes
Yeopim soils--moderately well drained (seasonal high water table 18 to 36 inches) and fine-silty; on similar landscapes
DRAINAGE AND PERMEABILITY:
Depth Class: Very deep
Drainage Class (Agriculture): Moderately well drained
Internal Free Water Occurrence: Moderately deep, common
Flooding Frequency and Duration: Occasional to none for brief periods, January to March
Ponding Frequency and Duration: None
Index Surface Runoff: Negligible to medium, depending on slope
Permeability: Moderately slow
Saturated Hydraulic Conductivity: Moderately high (1.4 to 4.2 micrometers per second)
Shrink-swell Potential: Moderate
USE AND VEGETATION:
Major Uses: Mostly cultivated
Dominant Vegetation: Where cultivated--corn, small grain, soybeans, tobacco, peanuts, and truck crops. Where wooded--mixed hardwoods and pines
DISTRIBUTION AND EXTENT:
Distribution: Virginia, North Carolina, and Georgia
Extent: Moderate
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: King George County, Virginia, 1970.
REMARKS: Diagnostic horizons and features recognized in this pedon are:
Ochric epipedon--the zone from the surface to 10 inches (A and E horizons).
Argillic horizon--The zone from 10 to 47 inches (Bt horizon).
Aquic conditions--periodic saturation and reduction in a zone from 20 to 200 inches of the soil surface at some time during the year (endosaturation)
ADDITIONAL DATA:
Laboratory Data: Characterization data are available from NRCS-Soil Survey Laboratory, Lincoln, NE (Lab Pedon Number=88P0669; User Pedon ID=88NC169002). This pedon has slightly less clay in the particle-size control section than required for the series family placement.
TABULAR SERIES DATA:
Series Interpretation Records: VA0082Soil Name Slope Airtemp FrFr/Seas Precip Elevation DOGUE 0-15 57- 65 175-260 35-55 5-100
FloodL FloodH Watertable Kind Months Bedrock Hardness NONE OCCAS 1.5-3.0 APPARENT JAN-MAR >80
Depth Texture 3-Inch No-10 Clay% -CEC- 0-10 L SIL VFSL 0-0 75-100 5-15 3-10 0-10 FSL SL 0-0 75-100 5-10 2-6 10-47 CL C SC 0-0 75-100 35-50 8-20 47-65 SR S SCL 0-0 60-100 5-30 1-6
Depth -pH- O.M. Salin Permeab Shnk-Swll 0-10 3.5- 5.5 0.5-1.0 0-0 0.6-2.0 LOW 0-10 3.5- 5.5 0.5-1.0 0-0 2.0-6.0 LOW 10-47 3.5- 5.5 0.0-0.5 0-0 0.2-0.6 MODERATE 47-65 3.5- 5.5 0.0-0.5 0-0 0.6-6.0 LOW