IDENTIFIERS

  • Current Taxon Name (Soil Name): Grundy
  • OSD
  • Series Extent
  • User Site ID: S1985IA087042
  • User Pedon ID: 85IA0870042
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0368
  • NCSS Pedon Lab Data NASIS Record ID - 58173
  • Print Date: 6/2/2024
  • 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: -91.6038895
  • Datum: WGS84
  • Township: 70N
  • Range: 7W
  • Section: 36
  • PLSS Details: 2100 feet S and 358 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 Mollic Hapludalfs
  • 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
  • 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 - 2
  • 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

    4

    225

    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark gray (10YR 3/1) interior silt loam; weak fine granular structure; friable; 0.5 fine roots; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 86P02184. Numerous streaks and pockets of (10YR 5/2).; few fine roots
    1Bt1—20 to 38 centimeters (7.9 to 15.0 inches); grayish brown (10YR 5/2) interior silty clay; 1 percent brown (10YR 5/3) fine faint mottles; moderate very fine and fine subangular blocky structure; firm; 0.5 fine roots; faint , moist, clay films; fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # 86P02185. Few dark mixings in upper part.; few fine roots; few fine faint 10YR53 mottles; discontinuous - phpvsfiid 220324; discontinuous - phpvsfiid 220324
    1Bt2—38 to 53 centimeters (15.0 to 20.9 inches); grayish brown (10YR 5/2) interior silty clay; 1 percent yellowish brown (10YR 5/4) fine distinct mottles; moderate medium subangular blocky structure; firm; 0.5 fine roots; , moist, clay films; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 86P02186. few fine roots; few fine distinct 10YR54 mottles; continuous - phpvsfiid 220325; continuous - phpvsfiid 220325
    1Bt3—53 to 69 centimeters (20.9 to 27.2 inches); grayish brown (10YR 5/2) interior silty clay; 11 percent yellowish brown (10YR 5/4) 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; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 86P02187. few fine dark concretions concentrations; few fine roots; common fine distinct 10YR54 mottles; common fine prominent 7.5YR56 mottles; continuous - phpvsfiid 220326; continuous - phpvsfiid 220326
    1Bt4—69 to 86 centimeters (27.2 to 33.9 inches); grayish brown (10YR 5/2) interior and light brownish gray (10YR 6/2) 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 6.8, hellige-truog; gradual smooth boundary. Lab sample # 86P02188. 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 220327; discontinuous - phpvsfiid 220327
    1Bt5—86 to 104 centimeters (33.9 to 40.9 inches); grayish brown (10YR 5/2) interior and light brownish gray (10YR 6/2) interior silty clay; 11 percent yellowish brown (10YR 5/6) fine prominent 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 7.2, hellige-truog; gradual smooth boundary. Lab sample # 86P02189. few fine dark concretions concentrations; few fine roots; common fine prominent 10YR56 mottles; common fine prominent 7.5YR56 mottles; discontinuous - phpvsfiid 220328; discontinuous - phpvsfiid 220328
    1BC—104 to 152 centimeters (40.9 to 59.8 inches); grayish brown (10YR 5/2) interior and light brownish gray (10YR 6/2) interior silty clay loam; 11 percent yellowish brown (10YR 5/6) fine prominent and 11 percent strong brown (7.5YR 5/6) fine prominent mottles; weak medium subangular blocky structure; firm; 0.5 fine roots; 1 percent fine dark concretions; fragments; neutral, pH 7.2, hellige-truog. few fine dark concretions concentrations; few fine roots; common fine prominent 10YR56 mottles; common fine prominent 7.5YR56 mottles