IDENTIFIERS

  • Current Taxon Name (Soil Name): Pekin
  • OSD
  • Series Extent
  • User Site ID: 1979IN175004
  • User Pedon ID: 2016IN175002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - Purdue
  • Lab Pedon # - WS7904
  • NCSS Pedon Lab Data NASIS Record ID - 23252
  • 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: 38.5102083
  • Std. Longitude: -85.9990694
  • Datum: WGS84
  • Township: 1N
  • Range: 5E
  • Section: 19
  • PLSS Details: 1400 feet west and 2200 feet south of the northeast CORNER
  • State: Indiana
  • County: IN175—Washington
  • PEDON

  • Describers Name: Robards and Wade
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Aquic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Pekin
  • PSC - 23 to 69 cm.
  • Classificaton Date - 12/1/2015
  • Classifier - Steve Neyhouse
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Pekin
  • Classificaton Date - 8/27/1979
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: stream terrace
  • Drainage Class: moderately well
  • Geology: Illinois formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/27/1979 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    69 - 112

    - 43 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    redox depletions with chroma 2 or less

    fragipan

    0—23

    23—112

    38—152

    69—112

    —23—

    —89—

    —114—

    —43—

    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

    4

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; moderate medium granular structure; friable; many (7.0) fine roots throughout; fragments; neutral, pH 6.8, pH meter; abrupt smooth boundary. Lab sample # WS79041; moist when described;
    Bt1—23 to 38 centimeters (9.1 to 15.0 inches); light yellowish brown (10YR 6/4) silt loam; moderate medium subangular blocky structure; friable; many (7.0) fine roots throughout; 15 percent faint yellowish brown (10YR 5/4), moist, clay films on all faces of peds; fragments; neutral, pH 6.9, pH meter; clear smooth boundary. Lab sample # WS79042; moist when described;
    Bt2—38 to 69 centimeters (15.0 to 27.2 inches); yellowish brown (10YR 5/6) silty clay loam; moderate medium subangular blocky structure; firm; many (6.0) fine roots between peds; 35 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; 3 percent medium prominent irregular weakly coherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.7, pH meter; clear smooth boundary. Lab sample # WS79043; moist when described;
    Btx1—69 to 89 centimeters (27.2 to 35.0 inches); yellowish brown (10YR 5/6) silty clay loam; moderate very coarse prismatic structure; firm; brittle; few (0.5) fine roots between peds; few (0.5) fine vesicular pores; 70 percent distinct brown (10YR 5/3), moist, clay films on all faces of peds; 21 percent medium prominent irregular weakly coherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix; fragments; extremely acid, pH 4.4, pH meter; gradual wavy boundary. Lab sample # WS79044; moist when described;
    Btx2—89 to 112 centimeters (35.0 to 44.1 inches); yellowish brown (10YR 5/4) silt loam; moderate very coarse prismatic structure; firm; brittle; 70 percent distinct gray (10YR 6/1), moist, clay films on all faces of peds; 21 percent medium distinct irregular weakly coherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix; fragments; extremely acid, pH 4.4, pH meter; gradual wavy boundary. Lab sample # WS79045; moist when described;
    C—112 to 165 centimeters (44.1 to 65.0 inches); yellowish brown (10YR 5/6) silt loam; structureless massive; firm; 21 percent medium prominent irregular weakly coherent cemented light brownish gray (10YR 6/2), moist, iron depletions with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.6, pH meter. Lab sample # WS79046; moist when described;