IDENTIFIERS

  • Current Taxon Name (Soil Name): Grundy
  • OSD
  • Series Extent
  • User Site ID: S1984IA087022
  • User Pedon ID: 84IA0870022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0413
  • NCSS Pedon Lab Data NASIS Record ID - 56129
  • Print Date: 5/20/2024

    • 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: 40.8663902
  • Std. Longitude: -91.6377792
  • Datum: WGS84
  • Township: 70N
  • Range: 7W
  • Section: 14
  • PLSS Details: 1950 feet S and 1036 feet E of the NW corner
  • State: Iowa
  • County: IA087—Henry
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA087—Henry County, Iowa

    • PEDON

  • Describers Name: J. Lucassen
  • Current Taxonomic Class: Fine, smectitic, mesic Aquollic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Grundy
  • PSC - 18 to 68 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Grundy
  • Taxonomic Class - Fine, montmorillonitic, mesic Aquic Argiudoll
  • Taxon Kind - series
  • Classificaton Date - 11/1/1984
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed-calcareous
  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    mollic epipedon

    argillic horizon

    0—18

    33—157

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    —-
    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

    3

    —

    —

    —

    —

    135

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) interior silty clay loam; weak fine subangular blocky, and weak fine granular structure; friable; 0.5 fine roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 85P02021; moist when described;. Several large streaks of (10YR 4/2).; few fine roots
    1BA—18 to 33 centimeters (7.1 to 13.0 inches); dark grayish brown (10YR 4/2) interior silty clay; weak medium subangular blocky structure; friable; 0.5 fine roots; very dark gray (10YR 3/1), moist, organic stains on faces of peds and 55 percent , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 85P02022; moist when described;. many clay films surface features on faces of peds; few fine roots
    1Bt1—33 to 46 centimeters (13.0 to 18.1 inches); grayish brown (10YR 5/2) interior silty clay; 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; firm; 0.5 fine roots; 55 percent , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 85P02023; moist when described;. many clay films surface features on faces of peds; few fine roots; common fine distinct 10YR56 mottles; common fine distinct 10YR58 mottles
    1Bt2—46 to 58 centimeters (18.1 to 22.8 inches); grayish brown (10YR 5/2) interior silty clay; 11 percent light yellowish brown (10YR 6/4) fine distinct 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; 55 percent , moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 85P02024; moist when described;. few fine iron-manganese concretions concentrations; many clay films surface features on faces of peds; few fine roots; common fine distinct 10YR64 mottles; common fine distinct 10YR56 mottles; common fine distinct 10YR58 mottles
    1Bt3—58 to 79 centimeters (22.8 to 31.1 inches); olive gray (5Y 5/2) interior silty clay; 11 percent yellowish brown (10YR 5/6) medium prominent and 11 percent yellowish brown (10YR 5/8) medium prominent and 11 percent strong brown (7.5YR 4/6) medium prominent mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; 55 percent , moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 85P02025; moist when described;. Also common medium prominent (7.5YR 5/8) mottles.; few fine iron-manganese concretions concentrations; many clay films surface features on faces of peds; few fine roots; common medium prominent 10YR56 mottles; common medium prominent 10YR58 mottles; common medium prominent 7.5YR46 mottles
    1Bt4—79 to 94 centimeters (31.1 to 37.0 inches); gray (5Y 5/1) interior silty clay; 11 percent yellowish brown (10YR 5/6) medium and coarse prominent and 11 percent yellowish brown (10YR 5/8) medium and coarse prominent and 11 percent strong brown (7.5YR 4/6) medium and coarse prominent mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; 55 percent , moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 85P02026; moist when described;. Also common medium and large (7.5YR 5/8) mottles.; few fine iron-manganese concretions concentrations; many clay films surface features on faces of peds; few fine roots; common medium and coarse prominent 10YR56 mottles; common medium and coarse prominent 10YR58 mottles; common medium and coarse prominent 7.5YR46 mottles
    1Bt5—94 to 112 centimeters (37.0 to 44.1 inches); gray (5Y 5/1) interior silty clay; 30 percent yellowish brown (10YR 5/6) medium and coarse prominent and 30 percent yellowish brown (10YR 5/8) medium and coarse prominent and 30 percent strong brown (7.5YR 4/6) medium and coarse prominent mottles; firm; 0.5 fine roots; 55 percent , moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; gradual smooth boundary.; moist when described;. Not sampled. Also many medium and large (7.5YR 5/8) mottles.; few fine iron-manganese concretions concentrations; many clay films surface features on faces of peds; few fine roots; many medium and coarse prominent 10YR56 mottles; many medium and coarse prominent 10YR58 mottles; many medium and coarse prominent 7.5YR46 mottles
    1Bt6—112 to 157 centimeters (44.1 to 61.8 inches); light olive gray (5Y 6/2) interior silty clay; 11 percent yellowish brown (10YR 5/6) medium and coarse prominent and 11 percent yellowish brown (10YR 5/8) medium and coarse prominent and 11 percent strong brown (7.5YR 4/6) medium and coarse prominent mottles; weak medium subangular blocky structure; firm; 37 percent , moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary.; moist when described;. Not sampled. Also common medium and large (7.5YR 5/8) mottles.; few fine iron-manganese concretions concentrations; common clay films surface features on faces of peds; common medium and coarse prominent 10YR56 mottles; common medium and coarse prominent 10YR58 mottles; common medium and coarse prominent 7.5YR46 mottles
    2C—157 to 173 centimeters (61.8 to 68.1 inches); dark greenish gray (5BG 4/1) interior clay; 11 percent dark brown (7.5YR 3/4) fine prominent mottles; massive; very firm; fragments; neutral, pH 6.6, hellige-truog.; moist when described;. Not sampled. Paleosol.; common fine prominent 7.5YR34 mottles