IDENTIFIERS

  • Current Taxon Name (Soil Name): Ipava
  • OSD
  • Series Extent
  • User Site ID: 1966IL107005
  • User Pedon ID: 1966IL107005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A5191
  • NCSS Pedon Lab Data NASIS Record ID - 41888
  • 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: 40.2364459
  • Std. Longitude: -89.4953481
  • Datum: WGS84
  • Township: 21N
  • Range: 4W
  • Section: 25
  • PLSS Details: 260 meters N along pasture fence line from center of road and 2 meters W SE 1/4 NW 1/4 SW 1/4 SE 1/4
  • Map Unit: 43A—Ipava silt loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL107—Logan
  • 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: IL107—Logan County, Illinois
  • 7.5 Minute USGS Quad: 40089-B4—Lincoln West, Illinois

    • PEDON

  • 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: Converted from PDP 3.x
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Ipava
  • Classificaton Date - 6/15/2007
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Ipava
  • Classificaton Date - 6/29/1966
  • Dynamic Soil Properties:
  • 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: 6/29/1966 (entry creation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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—38

    38—94

    —-

    —-
    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

    —

    —

    200

    —

    180

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) and very dark brown (10YR 2/2), dark gray (10YR 4/1), dry; silt loam; moderate very fine granular structure; friable; fragments; neutral, pH 6.7; abrupt smooth boundary. Lab sample # 40A39047
    A—18 to 38 centimeters (7.1 to 15.0 inches); black (10YR 2/1) and very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; silty clay loam; moderate fine granular structure; friable; fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # 40A39048
    Bw1—38 to 51 centimeters (15.0 to 20.1 inches); brown (10YR 4/3) and dark grayish brown (2.5Y 4/2) silty clay loam; moderate fine and medium subangular blocky structure; very dark gray (10YR 3/1) organic stains on faces of peds; ; fragments; moderately acid, pH 5.7; clear smooth boundary. Lab sample # 40A39049
    Bw2—51 to 66 centimeters (20.1 to 26.0 inches); olive brown (2.5Y 4/4) and grayish brown (2.5Y 5/2) silty clay; moderate medium angular blocky structure; firm; 30 percent distinct black (5YR 2/1) manganese or iron-manganese stains; 1 percent fine faint yellowish brown (10YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # 40A39050
    Bt1—66 to 94 centimeters (26.0 to 37.0 inches); olive brown (2.5Y 4/4) and dark grayish brown (2.5Y 4/2) silty clay loam; weak medium prismatic parts to moderate coarse angular blocky structure; firm; very dark grayish brown (10YR 3/2) organoargillans on surfaces along pores; 3 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron; fragments; slightly acid, pH 6.4; clear smooth boundary. Lab sample # 40A39051
    Bt2—94 to 130 centimeters (37.0 to 51.2 inches); yellowish brown (10YR 5/6) and light olive gray (5Y 6/2) and very dark grayish brown (10YR 3/2) and very dark gray (10YR 3/1) and dark grayish brown (2.5Y 4/2) silt loam; weak coarse prismatic structure; firm; very dark grayish brown (10YR 3/2) organoargillans on surfaces along pores; fragments; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 40A39052
    C1—130 to 160 centimeters (51.2 to 63.0 inches); yellowish brown (10YR 5/6) and light olive gray (5Y 6/2) and light olive brown (2.5Y 5/4) silt loam; massive; friable; fragments; slightly alkaline, pH 7.8; diffuse smooth boundary. Lab sample # 40A39053
    C2—160 to 190 centimeters (63.0 to 74.8 inches); yellowish brown (10YR 5/6) and light olive gray (5Y 6/2) and dark grayish brown (2.5Y 4/2) silt; massive; friable; fragments; moderately alkaline, pH 7.9. Lab sample # 40A39054