IDENTIFIERS

  • Current Taxon Name (Soil Name): Grundy
  • OSD
  • Series Extent
  • User Site ID: S1986IA087064
  • User Pedon ID: 86IA0870064
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0342
  • NCSS Pedon Lab Data NASIS Record ID - 59637
  • Print Date: 12/11/2024

    • 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: 40.8263893
  • Std. Longitude: -91.5816650
  • Datum: WGS84
  • Township: 70N
  • Range: 6W
  • Section: 32
  • PLSS Details: 713 feet S and 639 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. A. Lucassen
  • Current Taxonomic Class: Fine, smectitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Grundy
  • 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 - 8/1/1986
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • 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: 8/1/1986 (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
    • 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

    2

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    270

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    1Ap—0 to 25 centimeters (0.0 to 9.8 inches); black (10YR 2/1) interior silty clay loam; weak fine subangular blocky, and weak very fine and fine granular structure; friable; 0.5 fine roots; fragments; slightly acid, pH 6.4, hellige-truog; abrupt smooth boundary. Lab sample # 87P01727. few fine roots
    1AB—25 to 33 centimeters (9.8 to 13.0 inches); very dark grayish brown (10YR 3/2) interior silty clay loam; 1 percent brown (10YR 4/3) fine distinct mottles; moderate fine and medium subangular blocky structure; friable; 0.5 fine roots; 55 percent very dark gray (10YR 3/1), moist, coats on faces of peds; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # 87P01728. many coats surface features on faces of peds; few fine roots; few fine distinct 10YR43 mottles
    1Bt1—33 to 48 centimeters (13.0 to 18.9 inches); dark grayish brown (10YR 4/2) interior silty clay; 11 percent brown (10YR 5/3) fine prominent and 11 percent yellowish brown (10YR 5/6) fine prominent and 11 percent brown (7.5YR 4/3) fine prominent mottles; moderate fine and medium subangular blocky structure; friable; 0.5 fine roots; 15 percent very dark gray (10YR 3/1), moist, coats on faces of peds and 15 percent very dark grayish brown (10YR 3/2), moist, coats on faces of peds and 37 percent distinct , moist, clay films; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 87P01729. few fine iron-manganese concretions concentrations; few coats surface features on faces of peds; few coats surface features on faces of peds; common clay films surface features; few fine roots; common fine prominent 10YR53 mottles; common fine prominent 10YR56 mottles; common fine prominent 7.5YR43 mottles
    1Bt2—48 to 66 centimeters (18.9 to 26.0 inches); grayish brown (2.5Y 5/2) interior silty clay; 1 percent yellowish red (5YR 4/6) fine prominent and 11 percent strong brown (7.5YR 5/6) fine prominent and 11 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; 37 percent distinct , moist, clay films; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 87P01730. few fine iron-manganese concretions concentrations; common clay films surface features; few fine roots; common fine prominent 7.5YR56 mottles; common fine prominent 7.5YR58 mottles; few fine prominent 5YR46 mottles
    1Bt3—66 to 81 centimeters (26.0 to 31.9 inches); grayish brown (2.5Y 5/2) interior silty clay; 11 percent strong brown (7.5YR 5/8) medium prominent and 11 percent yellowish brown (10YR 5/6) fine prominent and 11 percent yellowish brown (10YR 5/8) fine prominent mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; 37 percent distinct , moist, clay films; 1 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 87P01731. few fine iron-manganese concretions concentrations; common clay films surface features; few fine roots; common medium prominent 7.5YR58 mottles; common fine prominent 10YR56 mottles; common fine prominent 10YR58 mottles
    1Bt4—81 to 112 centimeters (31.9 to 44.1 inches); light brownish gray (2.5Y 6/2) interior silty clay loam; 11 percent strong brown (7.5YR 5/6) fine prominent and 11 percent strong brown (7.5YR 5/8) fine prominent and 11 percent yellowish brown (10YR 5/4) fine prominent mottles; moderate medium and coarse subangular blocky structure; firm; 0.5 fine roots; 37 percent distinct , moist, clay films; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; gradual smooth boundary. Lab sample # 87P01732. few fine iron-manganese concretions concentrations; common clay films surface features; few fine roots; common fine prominent 7.5YR56 mottles; common fine prominent 7.5YR58 mottles; common fine prominent 10YR54 mottles
    1Bt5—112 to 152 centimeters (44.1 to 59.8 inches); light brownish gray (2.5Y 6/2) interior silty clay loam; 11 percent yellowish red (5YR 4/6) medium prominent and 11 percent strong brown (7.5YR 5/8) medium prominent mottles; weak medium subangular blocky structure; firm; 15 percent distinct , moist, clay films; 1 percent fine iron-manganese concretions; fragments; neutral, pH 6.8, hellige-truog. few fine iron-manganese concretions concentrations; few clay films surface features; common medium prominent 7.5YR58 mottles; common medium prominent 5YR46 mottles