IDENTIFIERS

  • Current Taxon Name (Soil Name): Killduff
  • OSD
  • Series Extent
  • User Site ID: 1984IA1630022
  • User Pedon ID: 1984IA1630022
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 85P0419
  • NCSS Pedon Lab Data NASIS Record ID - 56135
  • Print Date: 4/19/2025

    • 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: 41.6347237
  • Std. Longitude: -90.4791641
  • Datum: WGS84
  • Township: 79N
  • Range: 4E
  • Section: 22
  • PLSS Details: 720 feet E and 419 feet N of center
  • State: Iowa
  • County: IA163—Scott
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA163—Scott County, Iowa

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Dystric Eutrochrepts
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Killduff
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/11/2007
  • Sampled As Information:
  • Soil Name - Killduff
  • Classificaton Date - 10/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QA Status: level 1


    • SITE

  • Parent Material: fine-silty loess
  • Landscape: dissected till plain
  • Landform: interfluve
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1984 (actual site observation 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
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    0—20

    20—109

    —-

    —-
    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

    6

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) interior, brown (10YR 5/3) interior, dry; silty clay loam; weak very fine granular structure; friable; 5.5 fine roots; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 85P02059. Some mixing of (10YR 4/3).; many fine roots
    1Bw1—20 to 33 centimeters (7.9 to 13.0 inches); brown (10YR 4/3) interior silty clay loam; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; weak fine granular structure; friable; 2.5 fine roots; 15 percent dark brown (10YR 3/3), moist, organic stains on faces of peds; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 85P02060. few organic coats surface features on faces of peds; common fine roots; few fine distinct 10YR56 mottles
    1Bw2—33 to 48 centimeters (13.0 to 18.9 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; 1 percent yellowish brown (10YR 5/6) fine distinct and 1 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate fine subangular blocky structure; friable; 2.5 fine roots; 37 percent brown (10YR 4/3), moist, coats on faces of peds; fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # 85P02061. common coats surface features on faces of peds; common fine roots; few fine distinct 10YR56 mottles; few fine prominent 7.5YR56 mottles
    1Bw3—48 to 64 centimeters (18.9 to 25.2 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; 1 percent strong brown (7.5YR 5/6) fine prominent and 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent yellowish brown (10YR 5/8) fine distinct mottles; moderate medium subangular blocky structure; friable; 0.5 fine roots; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # 85P02062. Also few, fine, faint (10YR 5/2) mottles.; few fine iron-manganese concretions concentrations; few fine roots; common fine distinct 10YR56 mottles; common fine distinct 10YR58 mottles; few fine prominent 7.5YR56 mottles
    1Bw4—64 to 76 centimeters (25.2 to 29.9 inches); grayish brown (10YR 5/2) interior silty clay loam; 1 percent yellowish brown (10YR 5/6) fine distinct and 1 percent yellowish brown (10YR 5/8) fine distinct and 1 percent strong brown (7.5YR 5/6) fine prominent mottles; weak medium prismatic, and moderate medium subangular blocky structure; friable; 0.5 fine roots; fragments; neutral, pH 6.8, hellige-truog. Lab sample # 85P02063. few fine roots; few fine distinct 10YR56 mottles; few fine distinct 10YR58 mottles; few fine prominent 7.5YR56 mottles
    1Bw4—76 to 89 centimeters (29.9 to 35.0 inches); grayish brown (10YR 5/2) interior silty clay loam; 1 percent strong brown (7.5YR 5/6) fine prominent and 1 percent yellowish brown (10YR 5/6) fine distinct and 1 percent yellowish brown (10YR 5/8) fine distinct mottles; weak medium prismatic, and moderate medium subangular blocky structure; friable; 0.5 fine roots; fragments; neutral, pH 6.8, hellige-truog; gradual wavy boundary. Lab sample # 85P02064. few fine roots; few fine distinct 10YR56 mottles; few fine distinct 10YR58 mottles; few fine prominent 7.5YR56 mottles
    1BC—89 to 109 centimeters (35.0 to 42.9 inches); light brownish gray (10YR 6/2) interior silty clay loam; 11 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; weak medium prismatic structure; friable; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.8, hellige-truog; gradual wavy boundary. Lab sample # 85P02065. few fine iron-manganese concretions concentrations; common fine and medium prominent 7.5YR56 mottles
    1C—109 to 152 centimeters (42.9 to 59.8 inches); light brownish gray (10YR 6/2) interior and strong brown (7.5YR 4/6) and yellowish brown (10YR 5/6) silt loam; massive; friable; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.8, hellige-truog. Not sampled.; few fine iron-manganese concretions concentrations