IDENTIFIERS

  • Current Taxon Name (Soil Name): Ipava
  • OSD
  • Series Extent
  • User Site ID: 1958IL113002
  • User Pedon ID: 1958IL113002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 58IL113002
  • NCSS Pedon Lab Data NASIS Record ID - 20475
  • 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: 40.2995933
  • Std. Longitude: -88.9565695
  • Datum: WGS84
  • Township: 21N
  • Range: 2E
  • Section: 2
  • Location Description: 54 rods N of sec.line & 28 FT E of center of black top road,2 FT W fence
  • Map Unit: 43A—Ipava silt loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL113—McLean
  • 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: IL113—McLean County, Illinois
  • 7.5 Minute USGS Quad: 40088-C8—Heyworth, Illinois

    • PEDON

  • Describers Name: JDA, JP
  • Current Taxonomic Class: Fine, smectitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Ipava
  • PSC - 48 to 98 cm.
  • Classificaton Date - 2/22/2010
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Ipava
  • Classificaton Date - 10/1/1958
  • 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: 10/1/1958 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • 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—48

    48—97

    —-

    —-
    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

    1.5

    —

    —

    —

    —

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1) silt loam; moderate fine granular structure; friable; 3.0 fine roots; fragments; neutral, pH 7.1; clear smooth boundary. Lab sample # IL18211
    A2—23 to 30 centimeters (9.1 to 11.8 inches); 10YR 2.5/1 (10YR 2.5/1) silt loam; moderate fine granular structure; friable; 3.0 fine roots; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL18212
    A3—30 to 38 centimeters (11.8 to 15.0 inches); very dark gray (10YR 3/1) silty clay loam; moderate medium granular structure; friable; 3.0 fine roots; fragments; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # IL18213
    AB—38 to 48 centimeters (15.0 to 18.9 inches); very dark grayish brown (10YR 3/2) silty clay loam; moderate very fine subangular blocky structure; firm; 0.6 fine roots; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL18214
    Bt1—48 to 61 centimeters (18.9 to 24.0 inches); dark grayish brown (2.5Y 4/2) silty clay; moderate fine subangular blocky structure; firm; 0.6 fine roots; dark gray (10YR 4/1) clay films on all faces of peds; 10 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 5.6; gradual smooth boundary. Lab sample # IL18215
    Bt2—61 to 79 centimeters (24.0 to 31.1 inches); variegated yellowish brown (10YR 5/6) and pale brown (10YR 6/3) and gray (10YR 5/1) silty clay; moderate medium prismatic, and moderate medium angular blocky structure; firm; 0.6 fine roots; dark gray (10YR 4/1) clay films on all faces of peds; 10 percent fine iron-manganese concretions; fragments; strongly acid, pH 5.5; gradual smooth boundary. Lab sample # IL18216
    Bt3—79 to 97 centimeters (31.1 to 38.2 inches); variegated yellowish brown (10YR 5/6) and pale brown (10YR 6/3) and gray (10YR 5/1) silty clay loam; weak coarse prismatic, and moderate coarse angular blocky structure; firm; 3.0 fine roots; dark gray (10YR 4/1) clay films on all faces of peds; 10 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.1; gradual smooth boundary. Lab sample # IL18217
    C1—97 to 124 centimeters (38.2 to 48.8 inches); variegated yellowish brown (10YR 5/6) and light brownish gray (10YR 6/2) and gray (10YR 5/1) silt loam; massive; friable; black (10YR 2/1), moist, organic stains on surfaces along pores; 1 percent fine iron-manganese concretions; fragments; neutral, pH 7.3; gradual smooth boundary. Lab sample # IL18218
    C2—124 to 152 centimeters (48.8 to 59.8 inches); variegated gray (10YR 5/1) and yellowish brown (10YR 5/6) and light brownish gray (10YR 6/2) silt loam; massive; friable; fragments; slight effervescence; slightly alkaline, pH 7.8. Lab sample # IL18219