IDENTIFIERS

  • Current Taxon Name (Soil Name): Ipava
  • OSD
  • Series Extent
  • User Site ID: 1991IL113009
  • User Pedon ID: 1991IL113009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0231
  • NCSS Pedon Lab Data NASIS Record ID - 63278
  • Print Date: 4/28/2025

    • 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: 40.5233825
  • Std. Longitude: -89.0187022
  • Datum: WGS84
  • Township: 24N
  • Range: 2E
  • Section: 20
  • PLSS Details: 2310 feet N and 660 feet E of the SW corner
  • State: Illinois
  • County: IL113—McLean
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL113—McLean County, Illinois

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 9
  • Correlated Information:
  • Soil Name - Ipava
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Ipava
  • Classificaton Date - 10/1/1991
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landscape: upland
  • Landform: flat
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1991 (entry creation 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

    —

    —

    —

    —

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; weak medium and coarse subangular blocky structure; friable; fragments; neutral, pH 7.0, hellige-truog; abrupt wavy boundary. Lab sample # 91P01424
    A—23 to 48 centimeters (9.1 to 18.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silty clay loam; weak fine and medium subangular blocky structure; friable; fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 91P01425
    Bt1—48 to 66 centimeters (18.9 to 26.0 inches); brown (10YR 4/3) silty clay loam; moderate fine and medium subangular blocky structure; friable; 15 percent distinct dark brown (10YR 3/3) organoargillans on faces of peds; 1 percent fine faint grayish brown (10YR 5/2) iron depletions and 1 percent fine distinct yellowish brown (10YR 5/8) masses of oxidized iron; fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 91P01426. few clay films surface features on faces of peds; few fine distinct 10YR58 mottles; few fine faint 10YR52 mottles
    Bt2—66 to 84 centimeters (26.0 to 33.1 inches); dark yellowish brown (10YR 4/4) silty clay; moderate fine and medium angular blocky structure; friable; 37 percent distinct dark brown (10YR 3/3), moist, organoargillans on faces of peds and 37 percent distinct brown (10YR 4/3) clay films on faces of peds; 1 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron and 1 percent medium faint grayish brown (10YR 5/2) iron depletions; fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 91P01427. few fine stains and concretions (iron and manganese oxides); common clay films surface features on faces of peds; common clay films surface features on faces of peds; few fine and medium distinct 10YR58 mottles; common fine and medium 10YR52 mottles
    Bt3—84 to 99 centimeters (33.1 to 39.0 inches); brown (10YR 4/3) silty clay loam; moderate medium angular blocky structure; friable; 37 percent distinct dark brown (10YR 3/3) organoargillans on faces of peds; 11 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron and 11 percent fine distinct grayish brown (10YR 5/2) iron depletions; fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 91P01428. few fine stains and concretions (iron and manganese oxides); common clay films surface features on faces of peds; common medium distinct 10YR52 mottles; common medium distinct 10YR58 mottles
    Bt4—99 to 140 centimeters (39.0 to 55.1 inches); brown (10YR 4/3) silty clay loam; weak coarse prismatic structure; friable; 15 percent faint dark brown (10YR 3/3), moist, and very dark grayish brown (10YR 3/2) clay films on faces of peds; 30 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron and 30 percent medium distinct grayish brown (10YR 5/2) iron depletions; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 91P01429. common fine stains and concretions (iron and manganese oxides); clay films also line root channels; few clay films surface features on faces of peds; few clay films surface features on faces of peds; many medium distinct 10YR52 mottles; many medium distin
    C—140 to 152 centimeters (55.1 to 59.8 inches); grayish brown (10YR 5/2) and brown (10YR 5/3) silty clay loam; massive; friable; 30 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron; fragments; slight effervescence; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 91P01430. common medium stains and concretions (iron and manganese oxides); many medium distinct 10YR58 mottles