IDENTIFIERS

  • Current Taxon Name (Soil Name): Ipava
  • OSD
  • Series Extent
  • User Site ID: 1975IL073022
  • User Pedon ID: 1975IL073022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 75IL073022
  • NCSS Pedon Lab Data NASIS Record ID - 20768
  • Print Date: 4/2/2025

    • 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: 41.2237216
  • Std. Longitude: -90.3786459
  • Datum: WGS84
  • Township: 14N
  • Range: 1E
  • Section: 10
  • PLSS Details: 135 feet east and 204 feet south of northwest corner
  • Map Unit: 43A—Ipava silt loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL073—Henry
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-SPI—Springfield, Illinois
  • Non-MLRA Soil Survey Area: IL073—Henry County, Illinois
  • 7.5 Minute USGS Quad: 41090-B4—New Windsor, Illinois

    • PEDON

  • Describers Name: RJH, JBF, JDA, BWR
  • Current Taxonomic Class: Fine, smectitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 22
  • Correlated Information:
  • Soil Name - Ipava
  • PSC - 43 to 93 cm.
  • Classificaton Date - 7/10/2009
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Ipava
  • Classificaton Date - 10/1/1975
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Landscape: till plain
  • Landform: ground moraine
  • Geomorphic Component Flats: talf
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1975 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—36

    36—102

    —-

    —-
    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

    —

    —

    237

    —

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) silty clay loam; moderate fine granular structure; friable; fragments; neutral, pH 6.6; abrupt smooth boundary. Lab sample # IL23176
    A—18 to 36 centimeters (7.1 to 14.2 inches); black (10YR 2/1) and dark grayish brown (10YR 4/2) silty clay loam; moderate fine granular structure; friable; 1 percent fine very dark brown (10YR 2/2) manganese masses; fragments; slightly acid, pH 6.2; clear smooth boundary. Lab sample # IL23177
    Bt1—36 to 43 centimeters (14.2 to 16.9 inches); dark grayish brown (10YR 4/2) silty clay loam; moderate very fine subangular blocky structure; firm; very dark brown (10YR 2/2) organoargillans on all faces of peds; 1 percent fine very dark grayish brown (10YR 3/2) iron-manganese masses; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL23178
    Bt2—43 to 61 centimeters (16.9 to 24.0 inches); brown (10YR 5/3) silty clay loam; weak fine prismatic, and moderate very fine subangular blocky structure; firm; very dark brown (10YR 2/2) organoargillans on all faces of peds and grayish brown (10YR 5/2) clay films on all faces of peds; 10 percent fine dark grayish brown (10YR 4/2) and very dark brown (10YR 2/2) iron-manganese masses and 10 percent fine faint yellowish brown (10YR 5/6) masses of oxidized iron and 25 percent fine distinct grayish brown (10YR 5/2) iron depletions; fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # IL23179, IL23180. Horizon split for sampling: IL23179 43 to 51 cm, IL23180 51 to 61 cm.
    Btg1—61 to 81 centimeters (24.0 to 31.9 inches); grayish brown (2.5Y 5/2) silty clay loam; moderate fine prismatic, and moderate fine subangular blocky structure; firm; dark grayish brown (10YR 4/2) clay films on all faces of peds; 10 percent fine masses of oxidized iron and 10 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # IL23182, IL23181. Horizon split for sampling: IL23181 61 to 71 cm, IL23182 71 to 81 cm.
    Btg2—81 to 102 centimeters (31.9 to 40.2 inches); light brownish gray (2.5Y 6/2) silty clay loam; moderate medium prismatic, and moderate fine subangular blocky structure; firm; grayish brown (10YR 5/2) clay films on all faces of peds; 10 percent masses of oxidized iron and 10 percent medium faint light olive brown (2.5Y 5/4) masses of oxidized iron and 25 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 6.0; clear smooth boundary. Lab sample # IL23183, IL23184. Horizon split for sampling: IL23183 81 to 91 cm, IL23184 91 to 102 cm.
    Btg3—102 to 127 centimeters (40.2 to 50.0 inches); light brownish gray (2.5Y 6/2) silt loam; moderate coarse prismatic, and weak medium subangular blocky structure; firm; 10 percent grayish brown (10YR 5/2) clay films on all faces of peds; 25 percent fine masses of oxidized iron and 25 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron; fragments; neutral, pH 7.1; gradual smooth boundary. Lab sample # IL23185
    Cg1—127 to 147 centimeters (50.0 to 57.9 inches); variegated light brownish gray (2.5Y 6/2) and yellowish brown (10YR 5/8) silt loam; massive; friable; 10 percent fine masses of oxidized iron; fragments; slight effervescence; moderately alkaline, pH 8.1; gradual smooth boundary. Lab sample # IL23186
    Cg2—147 to 175 centimeters (57.9 to 68.9 inches); light brownish gray (2.5Y 6/2) silt loam; massive; friable; ; 10 percent masses of oxidized iron and 25 percent fine distinct yellowish brown (10YR 5/8) masses of oxidized iron; 10 percent carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.2. Lab sample # IL23187
    Cg3—175 to 200 centimeters (68.9 to 78.7 inches); light brownish gray (2.5Y 6/2) silt loam; massive; friable; 10 percent masses of oxidized iron and 25 percent fine distinct 10YR 4/8 (10YR 4/8) masses of oxidized iron; 10 percent carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.2. Lab sample # IL23188