LOCATION BOJAC VA+NCEstablished Series
TAXONOMIC CLASS: Coarse-loamy, mixed, semiactive, thermic Typic Hapludults
TYPICAL PEDON: Bojac loamy fine sand-cultivated. (Colors are for moist soil.)
Ap--0 to 8 inches; brown (10YR 4/3) loamy fine sand; single grain; loose; many fine roots; neutral; abrupt smooth boundary. (6 to 12 inches thick)
Bt1--8 to 13 inches; yellowish brown (10YR 5/6) fine sandy loam; many medium distinct dark yellowish brown (10YR 4/4) mottles; weak fine subangular blocky structure; very friable; common fine roots; sand grains bridged and coated with clay; strongly acid; diffuse smooth boundary.
Bt2--13 to 25 inches; yellowish brown (10YR 5/6) fine sandy loam; weak medium subangular blocky structure; very friable; few fine roots; sand grains bridged and coated with clay; very strongly acid; diffuse smooth boundary.
Bt3--25 to 37 inches; strong brown (7.5YR 5/6) fine sandy loam; weak medium subangular blocky structure; very friable; few fine roots; sand grains bridged and coated with clay; strongly acid; diffuse smooth boundary.
Bt4--37 to 47 inches; yellowish brown (10YR 5/8) fine sandy loam; weak medium subangular blocky structure; very friable; sand grains bridged and coated with clay; many medium prominent very pale brown (10YR 7/4) soft masses of iron accumulation; very strongly acid; diffuse smooth boundary. (Combined thickness of the Bt horizon is 15 to 70 inches.)
C1--47 to 70 inches; very pale brown (10YR 7/3) loamy fine sand; single grain; loose; very strongly acid; diffuse smooth boundary. (0 to 40 inches thick)
C2--70 to 85 inches; yellow (10YR 7/6) coarse sand; single grain; loose; 2 percent gravel; common medium faint yellowish brown (10YR 5/6) soft masses of iron accumulation; very strongly acid.
TYPE LOCATION: Greensville County, Virginia; about 1.34 miles west southwest (250 degrees) of the junction of VA-625 and VA-622 and about 0.47 miles south of VA-625.
RANGE IN CHARACTERISTICS:
Solum Thickness: 30 to 65 inches
Depth to Bedrock: Greater than 60 inches
Depth to Seasonal High Water Table: 48 to 72 inches, November to April
Soil Reaction: extremely acid to slightly acid except where the surface has been limed
Gravel Content: Quartz gravel make up 0 to 5 percent of the solum and 0 to 15 percent of the C horizon in the non-flooded phase; 0 to 35 percent in the solum and 0 to 50 percent of the C horizon in the flooded phase
A or Ap horizon:
Color--hue of 7.5YR to 2.5Y, value of 3 to 6, and chroma of 1 to 4. Where the value is 3 and the chroma is 1 or 2, the A horizon is less than 6 inches thick. Texture--loamy sand, loamy fine sand, sandy loam, fine sandy loam, or loam
E horizon (if it occurs)
Color--has hue of 10YR or 2.5Y, value of 4 to 7, and chroma of 4 or 6
Texture--loamy sand, loamy fine sand, sandy loam, fine sandy loam, or loam
BA or BE horizon (if it occurs)
Color--hue of 5YR to 2.5Y, value of 4 to 7, and chroma of 3 to 6
Texture--sandy loam, fine sandy loam, or loam
Bt horizon:
Color--hue of 5YR to 10YR, value of 4 to 6, and chroma of 4 to 8
Texture--sandy loam, fine sandy loam, or loam. Some pedons may have a thin subhorizon that is sandy clay loam or clay loam. The lower boundary is gradual or diffuse or there is more than 50 percent fine and coarser sand in the B horizon.
Redoximorphic features--iron depletions with chroma of 2 or less are in some pedons below a depth of 40 inches.
BC or CB horizon (if it occurs)
Color--hue of 5YR to 10YR, value of 4 to 6, and chroma of 4 to 8
Texture--loamy sand or loamy fine sand
Redoximorphic features--iron masses in shades of brown, yellow, or red and iron depletions in shades of olive or gray
C horizon:
Color--hue of 7.5YR to 2.5Y, value of 4 to 7, and chroma of 3 to 8
Texture--usually stratified and in the fine-earth portion, ranges from coarse sand to loamy fine sand
Redoximorphic features--iron masses in shades of brown, yellow, or red and iron depletions in shades of olive or gray
COMPETING SERIES:
Louisburg soils--On summits and side slopes of
Piedmont uplands that are underlain by saprolite at 20 to 40 inches
GEOGRAPHIC SETTING:
Landscape: Coastal Plain
Landform: Stream terraces and flood plains
Elevation: 10 to 250 feet above mean sea level
Parent Material: Loamy and sandy fluvial sediments and marine sediments
Mean Annual Air Temperature: 58 to 60 degrees
Mean Annual Precipitation: 40 to 50 inches
Frost Free Period: 190 to 220 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Altavista soils--Moderately well drained soils (seasonal high water table 18 to 30 inches) in fine-loamy family on slightly lower landscapes
Augusta soils--Somewhat poorly drained soils (seasonal high water table 12 to 18 inches) in fine-loamy family on lower landscapes
Bertie soils--Somewhat poorly drained soils (seasonal high water table 12 to 18 inches) in fine-loamy family on lower landscapes
Catpoint soils--Somewhat excessively drained soils (seasonal high water table 48 to 72 inches) with sandy textures throughout on higher landscapes
Conetoe soils--Well drained soils (seasonal high water table below 72 inches) in loamy family on similar landscapes
Dogue soils--moderately well drained soils (seasonal high water table 18 to 30 inches) in fine family on slightly lower landscapes
Dragston soils--somewhat poorly drained soils (seasonal high water table 12 to 30 inches) on lower landscapes
Munden soils--moderately well drained soils (seasonal high water table 18 to 30 inches)in on slightly lower landscapes
Nimmo soils--poorly drained soils (seasonal high water table 0 to 12 inches) in coarse-loamy family on flats and in slight depressions
Pamunkey soils--well drained soils (seasonal high water table 48 to 72 inches) in fine-loamy family on similar landscapes
State soils--well drained soils (seasonal high water table 48 to 72 inches) in fine-loamy family on similar landscapes
Tarboro soils--somewhat excessively drained soils (seasonal high water table is below 6 feet) with sandy textures throughout on higher landscapes
Wickham soils--well drained soils (seasonal high water table is below 6 feet) in fine-loamy family on similar landscapes
DRAINAGE AND PERMEABILITY:
Agricultural Drainage Class: Well drained
Permeability: Moderately rapid
USE AND VEGETATION:
Major Uses: Mostly cultivated
Dominant Vegetation: Where cultivated--peanuts, soybeans, and corn. Where wooded--loblolly pine, sweet gum, oak, hickory, and maple
DISTRIBUTION AND EXTENT:
Distribution: Atlantic Coastal Plain of Virginia, North Carolina, and possibly Georgia, Florida, and Alabama
Extent: Moderate
MLRA OFFICE RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: Greensville County, Virginia, 1979.
REMARKS:
Diagnostic horizons and other features recognized in this pedon are:
a. Ochric epipedon -the zone between 0 and 8 inches (Ap horizon).
b. Argillic horizon -the zone between 8 and 47 inches (Bt horizon).
SIR=VA0127, VA0137 (FLOODED)
MLRA=133A, 153A, 153B, 153C
REVISED=7/9/96, MHC
ADDITIONAL DATA: Laboratory data from typical pedon and 8 supporting pedons (S73VA31-78(1-7), S73VA41-76(1-7), S73VA41-(1-8), S74VA41-97(1-4), S74VA41-92(1-7), S74VA41-92(1-7), S74VA41-101(1-5)) may be obtained from Virginia Polytechnic Institute and State University Soil Survey Laboratory.
TABULAR SERIES DATA:
SOI-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation VA0127 BOJAC 0-10 58-60 190-220 40-50 10-250 VA0137 BOJAC 0-10 58-60 185-225 40-50 25-200SOI-5 FloodL FloodH Watertable Kind Months Bedrock VA0127 NONE 4.0-6.0 APPARENT NOV-APR 60-60 VA0137 RARE/COMMON 4.0-6.0 APPARENT NOV-APR 60-60
SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC- VA0127 0-8 SL FSL L 0-0 95-100 3-8 VA0127 0-8 LFS LS 0-0 95-100 3-8 VA0127 8-47 FSL L SL 0-0 95-100 11-16 VA0127 47-85 SR LFS COS 0-0 75-100 1-8 VA0137 0-8 SL FSL L 0-0 75-100 3-8 VA0137 0-8 LFS LS 0-0 75-100 3-8 VA0137 0-8 GR-S GR-LS GR-LFS 0-0 50-75 3-8 VA0137 8-47 FSL L SL 0-0 50-100 11-16 VA0137 47-85 SR LS G 0-15 25-100 1-6
SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll VA0127 0-8 3.6-6.5 .5-2. 0-0 2.0-6.0 LOW VA0127 0-8 3.6-6.5 .5-1. 0-0 6.0-20 LOW VA0127 8-47 3.6-6.5 0.-.5 0-0 2.0-6.0 LOW VA0127 47-85 4.5-6.0 0.-.5 0-0 6.0-20 LOW VA0137 0-8 3.5-6.5 .5-2. 0-0 2.0-6.0 LOW VA0137 0-8 3.5-6.5 .5-1. 0-0 6.0-20 LOW VA0137 0-8 3.5-6.5 .5-1. 0-0 6.0-20 LOW VA0137 8-47 3.5-6.5 0.-.5 0-0 2.0-6.0 LOW VA0137 47-85 3.5-6.5 0.-.5 0-0 6.0-20 LOW