IDENTIFIERS

  • Current Taxon Name (Soil Name): CALHOUN
  • OSD
  • Series Extent
  • User Site ID: S1961LA033005
  • User Pedon ID: S1961LA033005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1357
  • NCSS Pedon Lab Data NASIS Record ID - 34965
  • Print Date: 2/16/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 30.3780556
  • Std. Longitude: -91.0447235
  • Datum: WGS84
  • Township: 8S
  • Range: 2E
  • Section: 49
  • PLSS Details: 1 mile NE of intersection of Perkins Rd and Pecue Rd and 100 feet E of Pecue Rd; NW part
  • Location Description: East Baton Rouge Parish, LA.
  • State: Louisiana
  • County: LA033—East Baton Rouge
  • MLRA: 134—Southern Mississippi Valley Loess
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: LA033—East Baton Rouge Parish, Louisiana

    • PEDON

  • Describers Name: J.S. Allen, D.C. McMurtry, J.E. Seaholm, Leon Nugent, H.L. Clark, and S.A. Lytle
  • Current Taxonomic Class: Fine-silty, mixed, thermic Typic Glossaqualfs
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - CALHOUN
  • PSC - 86 to 136 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - UNNAMED
  • Classificaton Date - 5/10/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Runoff: low
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/10/1961 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    1

    —

    —

    9

    —

    1524

    —

    —

    19.4

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); gray (10YR 5/1) silt loam; weak very fine granular, and weak thin platy structure; friable; 10.0 fine to coarse roots; 1 percent fine black (10YR 2/1) iron-manganese concretions; fragments; slightly acid, pH 6.3, unspecified; abrupt smooth boundary. Lab sample # 40A10360
    A2g—15 to 30 centimeters (5.9 to 11.8 inches); light brownish gray (10YR 6/2), light gray (10YR 7/1), dry; silt loam; 25 percent brown (10YR 5/3) medium faint mottles; massive; friable; 0.5 fine roots; 10.0 fine pores; 3 percent fine and medium black (10YR 2/1) iron-manganese masses and 3 percent fine and medium brown (10YR 5/3) iron-manganese masses; fragments; moderately acid, pH 5.8, unspecified; gradual irregular boundary. Lab sample # 40A10361
    A/B—30 to 53 centimeters (11.8 to 20.9 inches); grayish brown (10YR 5/2), light gray (10YR 7/1), dry; silt loam; 25 percent brown (10YR 5/3) fine faint mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; 10.0 fine pores; 3 percent black (10YR 2/1) iron-manganese concretions and 3 percent brown (10YR 5/3) iron-manganese concretions; fragments; very strongly acid, pH 4.8, unspecified. Lab sample # 40A10362
    A/B—30 to 53 centimeters (11.8 to 20.9 inches); 18 percent brown (10YR 4/3) silty clay loam; moderate medium prismatic, and strong medium subangular blocky structure; light gray (10YR 7/1), dry, silt coats on faces of peds and 15 percent very dark grayish brown (10YR 3/2) oxide coats on faces of peds; fragments; gradual irregular boundary. Lab sample # 40A10362. This horizon was originally A&B. This represents the remains of a degraded B horizon of a better drained soil.; patchy - phpvsfiid 174855; patchy - phpvsfiid 174855
    B&A—53 to 86 centimeters (20.9 to 33.9 inches); yellowish brown (10YR 5/6) and yellowish brown (10YR 5/8) and dark brown (10YR 3/3) and grayish brown (10YR 5/2), light gray (10YR 7/2), dry; silty clay loam; moderate medium and coarse prismatic, and moderate medium subangular blocky structure; hard, firm; 10.0 fine pores; gray (10YR 5/1) clay films on lower surfaces of peds or rocks and 37 percent black (10YR 2/1) oxide coats on all faces of peds; 1 percent iron-manganese concretions between peds; fragments; very strongly acid, pH 4.8, unspecified. Lab sample # 40A10363. vertical veins and krotovinas of light brownish gray (10YR 6/2) silt; arbitrary boundary.; patchy - phpvsfiid 174857; patchy - phpvsfiid 174857
    B21t—86 to 119 centimeters (33.9 to 46.9 inches); yellowish brown (10YR 5/6) and yellowish brown (10YR 5/8) and dark brown (10YR 3/3) and brown (7.5YR 4/4) and grayish brown (10YR 5/2) silty clay loam; moderate medium subangular blocky, and moderate coarse prismatic structure; hard, firm; 10.0 fine pores; gray (10YR 5/1) silt coats on lower surfaces of peds or rocks and 37 percent black (10YR 2/1) oxide coats on all faces of peds; 1 percent black (10YR 2/1) iron-manganese concretions between peds; fragments; very strongly acid, pH 4.8, unspecified; gradual wavy boundary. Lab sample # 40A10364. common vertical veins and few large krotovinas of light brownish gray (10YR 6/2) silt.; patchy - phpvsfiid 174859; patchy - phpvsfiid 174859
    B22t—119 to 152 centimeters (46.9 to 59.8 inches); yellowish brown (10YR 5/6) and dark brown (10YR 3/3) and grayish brown (10YR 5/2) silt loam; moderate coarse prismatic, and weak medium subangular blocky structure; hard, firm; 10.0 fine pores; gray (10YR 5/1) silt coats on faces of peds; fragments; very strongly acid, pH 4.8, unspecified. Lab sample # 40A10365. common vertical veins and old root channels filled with gray (10YR 5/1) silt.