IDENTIFIERS

  • Current Taxon Name (Soil Name): Ipava
  • OSD
  • Series Extent
  • User Site ID: 1981IL115053
  • User Pedon ID: 1981IL115053
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL115053
  • NCSS Pedon Lab Data NASIS Record ID - 21349
  • Print Date: 1/31/2025

    • 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: 39.9649671
  • Std. Longitude: -89.1253953
  • Datum: WGS84
  • Township: 18N
  • Range: 1E
  • Section: 31
  • PLSS Details: 1240 feet north and 250 feet west of the southeast corner
  • Map Unit: 43A—Ipava silt loam, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL115—Macon
  • 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: IL115—Macon County, Illinois
  • 7.5 Minute USGS Quad: 39089-H2—Latham, Illinois

    • PEDON

  • Describers Name: JCD
  • 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 #: 53
  • Correlated Information:
  • Soil Name - Ipava
  • PSC - 41 to 91 cm.
  • Classificaton Date - 6/8/2009
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Ipava
  • Classificaton Date - 10/1/1981
  • 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
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1981 (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—41

    41—91

    —-

    —-
    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

    0.5

    —

    —

    —

    —

    890

    —

    170

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; moderate medium granular structure; friable; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL28188
    A—23 to 33 centimeters (9.1 to 13.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate medium granular structure; friable; distinct black (10YR 2/1) organoargillans on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL28189
    Bt1—33 to 41 centimeters (13.0 to 16.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; moderate very fine subangular blocky structure; friable; distinct very dark gray (10YR 3/1) organoargillans on all faces of peds; fragments; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # IL28190
    Bt2—41 to 53 centimeters (16.1 to 20.9 inches); brown (10YR 4/3) silty clay loam; moderate fine subangular blocky structure; friable; faint dark grayish brown (10YR 4/2) clay films on all faces of peds and distinct very dark grayish brown (10YR 3/2) clay films on all faces of peds; 10 percent medium distinct yellowish brown (10YR 5/4) masses of oxidized iron; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL28191
    Bt3—53 to 71 centimeters (20.9 to 28.0 inches); yellowish brown (10YR 5/4) silty clay loam; moderate medium angular blocky structure; firm; distinct dark grayish brown (10YR 4/2) clay films on all faces of peds; 1 percent medium prominent spherical iron-manganese masses in matrix and 1 percent medium prominent strong brown (7.5YR 5/6) masses of oxidized iron and 10 percent fine prominent grayish brown (2.5Y 5/2) iron depletions; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL28192
    Btg4—71 to 91 centimeters (28.0 to 35.8 inches); grayish brown (2.5Y 5/2) silty clay loam; moderate medium prismatic structure; firm; distinct very dark grayish brown (10YR 3/2) clay films on all faces of peds; 1 percent fine prominent spherical iron-manganese masses in matrix and 10 percent medium prominent strong brown (7.5YR 5/8) masses of oxidized iron; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL28193
    BC—91 to 109 centimeters (35.8 to 42.9 inches); light brownish gray (2.5Y 6/2) silt loam; weak medium prismatic structure; friable; distinct very dark gray (10YR 3/1) clay films on surfaces along pores; 1 percent fine prominent irregular iron-manganese masses in matrix and 10 percent coarse prominent strong brown (7.5YR 5/6) masses of oxidized iron; fragments; slightly alkaline, pH 7.6; gradual smooth boundary. Lab sample # IL28194
    Cg—109 to 193 centimeters (42.9 to 76.0 inches); light brownish gray (2.5Y 6/2) and yellowish brown (10YR 5/6) silt loam; massive; friable; distinct grayish brown (2.5Y 5/2) and dark gray (10YR 4/1) clay films on surfaces along pores; 1 percent fine prominent irregular iron-manganese masses in matrix; fragments; slight effervescence; moderately alkaline, pH 8.1. Lab sample # IL28195, IL28196