IDENTIFIERS

  • Current Taxon Name (Soil Name): Grundy
  • OSD
  • Series Extent
  • User Site ID: S1985IA087041
  • User Pedon ID: 85IA0870041
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0367
  • NCSS Pedon Lab Data NASIS Record ID - 58172
  • 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: 40.8227768
  • Std. Longitude: -91.6036148
  • Datum: WGS84
  • Township: 70N
  • Range: 7W
  • Section: 36
  • PLSS Details: 2100 feet S and 277 feet W of the NE 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 #: 4
  • 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 - 10/1/1985
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess
  • Landscape: upland
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1985 (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

    225

    1Ap—0 to 25 centimeters (0.0 to 9.8 inches); black (10YR 2/1) interior silt loam; weak fine granular structure; friable; 0.5 fine roots; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 86P02178. A few streaks or pockets of (10YR 4/2).; few fine roots
    1Bt1—25 to 41 centimeters (9.8 to 16.1 inches); dark grayish brown (10YR 4/2) interior silty clay loam; weak fine subangular blocky structure; firm; 0.5 fine roots; faint , moist, clay films; fragments; slightly acid, pH 6.4, hellige-truog; gradual smooth boundary. Lab sample # 86P02179. A few dark organic stains in upper part.; few fine roots; discontinuous - phpvsfiid 220318; discontinuous - phpvsfiid 220318
    1Bt2—41 to 56 centimeters (16.1 to 22.0 inches); grayish brown (10YR 5/2) interior silty clay; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; weak fine and medium subangular blocky structure; firm; 0.5 fine roots; , moist, clay films; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 86P02180. few fine roots; few fine distinct 10YR56 mottles; continuous - phpvsfiid 220319; continuous - phpvsfiid 220319
    1Bt3—56 to 71 centimeters (22.0 to 28.0 inches); grayish brown (10YR 5/2) interior silty clay; 11 percent yellowish brown (10YR 5/4) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; , moist, clay films; 1 percent fine dark concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 86P02181. few fine dark concretions concentrations; few fine roots; common fine distinct 10YR54 mottles; common fine distinct 10YR56 mottles; continuous - phpvsfiid 220320; continuous - phpvsfiid 220320
    1Bt4—71 to 89 centimeters (28.0 to 35.0 inches); grayish brown (10YR 5/2) interior silty clay; 11 percent yellowish brown (10YR 5/4) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; , moist, clay films; 1 percent fine dark concretions; fragments; neutral, pH 6.6, hellige-truog; gradual smooth boundary. Lab sample # 86P02182. few fine dark concretions concentrations; few fine roots; common fine distinct 10YR54 mottles; common fine distinct 10YR56 mottles; common fine prominent 7.5YR56 mottles; continuous - phpvsfiid 220321; continuous - phpvsfiid 220321
    1Bt5—89 to 107 centimeters (35.0 to 42.1 inches); grayish brown (10YR 5/2) interior silty clay; 11 percent yellowish brown (10YR 5/4) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; faint , moist, clay films; 1 percent fine dark concretions; fragments; neutral, pH 6.8, hellige-truog; gradual smooth boundary. Lab sample # 86P02183. few fine dark concretions concentrations; few fine roots; common fine distinct 10YR54 mottles; common fine distinct 10YR56 mottles; common fine prominent 7.5YR56 mottles; discontinuous - phpvsfiid 220322; discontinuous - phpvsfiid 220322
    1Bt6—107 to 122 centimeters (42.1 to 48.0 inches); grayish brown (10YR 5/2) interior silty clay loam; 11 percent yellowish brown (10YR 5/4) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct and 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; faint , moist, clay films; 1 percent fine dark concretions; fragments; neutral, pH 6.8, hellige-truog; gradual smooth boundary. few fine dark concretions concentrations; few fine roots; common fine distinct 10YR54 mottles; common fine distinct 10YR56 mottles; common fine prominent 7.5YR56 mottles; discontinuous - phpvsfiid 220323; discontinuous - phpvsfiid 220323
    1C—122 to 152 centimeters (48.0 to 59.8 inches); grayish brown (10YR 5/2) interior silty clay loam; 11 percent yellowish brown (10YR 5/6) fine distinct mottles; massive; firm; 1 percent fine dark concretions; fragments; neutral, pH 7.0, hellige-truog. few fine dark concretions concentrations; common fine distinct 10YR56 mottles