IDENTIFIERS

  • Current Taxon Name (Soil Name): Seymour
  • OSD
  • Series Extent
  • User Site ID: S1962IA185003
  • User Pedon ID: S1962IA185003
  • Vegetation Plot ID: S1962IA185003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1506
  • NCSS Pedon Lab Data NASIS Record ID - 35114
  • Print Date: 11/24/2024

    • 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: 40.7024994
  • Std. Longitude: -93.3844452
  • Datum: WGS84
  • Township: 68N
  • Range: 22W
  • Section: 9
  • PLSS Details: 212 feet south and 177 feet west of the northeast corner of the SE1/4
  • Location Description: about 1 mile SW of Allerton.
  • State: Iowa
  • County: IA185—Wayne
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: IA185—Wayne County, Iowa

    • PEDON

  • Describers Name: A.R. Hidlebaugh and R.I. Dideriksen
  • Current Taxonomic Class: Fine, smectitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Seymour
  • PSC - 33 to 83 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Seymour
  • Classificaton Date - 10/16/1962
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess
  • Geomorphic Component Hills: interfluve
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/16/1962 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRIFO

    Trifolium

    clover

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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

    —

    —

    —

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    0

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    A1p—0 to 13 centimeters (0.0 to 5.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; weak medium subangular blocky structure; friable; 10.0 fine roots; 3 percent dark brown (10YR 3/3) oxide coats and 3 percent black (10YR 2/1) oxide coats; fragments; clear smooth boundary. Lab sample # 40A11785. cloddy parting to weak medium subangular blocky structure.
    A12—13 to 23 centimeters (5.1 to 9.1 inches); very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2) crushed and dark grayish brown (10YR 4/2), gray (10YR 5/1), dry; silty clay loam; weak very fine subangular blocky, and fine granular structure; friable; 10.0 fine roots; 3 percent dark brown (10YR 3/3) oxide coats and 3 percent black (10YR 2/1) oxide coats; fragments; clear irregular boundary. Lab sample # 40A11786
    A3—23 to 33 centimeters (9.1 to 13.0 inches); very dark grayish brown (10YR 3/2) and 20 percent dark grayish brown (10YR 4/2) and very dark grayish brown (10YR 3/2) crushed and dark grayish brown (10YR 4/2) crushed, grayish brown (10YR 5/2), dry; silty clay loam; moderate very fine subangular blocky structure; friable; 3.0 fine roots; 37 percent faint silt coats on faces of peds; fragments; clear smooth boundary. Lab sample # 40A11787. some tonguing of very dark gray (10YR 3/1) from above horizon.
    B1—33 to 43 centimeters (13.0 to 16.9 inches); dark grayish brown (10YR 4/2) and dark gray (10YR 4/1), gray (10YR 6/1) and light gray (10YR 7/1), dry; silty clay; 10 percent yellowish brown (10YR 5/4) fine and 20 percent strong brown (7.5YR 5/6) fine mottles; moderate very fine subangular blocky structure; friable; 0.5 fine roots; 15 percent faint silt coats on faces of peds and 15 percent dark brown (10YR 3/3) oxide coats and 15 percent black (10YR 2/1) oxide coats; fragments; clear smooth boundary. Lab sample # 40A11788. few very dark gray (10YR 3/1) silty clay loam fills extending from above horizons.
    B21—43 to 53 centimeters (16.9 to 20.9 inches); dark grayish brown (10YR 4/2) and dark gray (10YR 4/1) and dark gray (N 4/0) silty clay; 10 percent dark yellowish brown (10YR 4/4) fine and 25 percent yellowish brown (10YR 5/6) fine mottles; strong fine subangular blocky structure; firm; fine pores; distinct clay films on faces of peds and 3 percent black (10YR 2/1) oxide coats and 15 percent very dark gray (10YR 3/1) clay films in root channels and/or pores; fragments; clear smooth boundary. Lab sample # 40A11789. continuous - phpvsfiid 191559; continuous - phpvsfiid 191559
    B22—53 to 70 centimeters (20.9 to 27.6 inches); olive gray (5Y 5/2) and very dark gray (5Y 3/1) silty clay; 1 percent brown (7.5YR 4/4) fine and 10 percent dark yellowish brown (10YR 4/4) fine mottles; strong fine and medium subangular blocky structure; firm; 0.5 fine tubular pores; faint clay films and 3 percent dark brown (10YR 3/3) oxide coats and 3 percent black (10YR 2/1) oxide coats and 37 percent faint silt coats on faces of peds; fragments; gradual smooth boundary. Lab sample # 40A11790. discontinuous - phpvsfiid 191562; discontinuous - phpvsfiid 191562
    B23—70 to 85 centimeters (27.6 to 33.5 inches); olive gray (5Y 5/2) and gray (5Y 5/1) silty clay; 10 percent yellowish brown (10YR 5/4) fine and 25 percent strong brown (7.5YR 5/6) fine mottles; moderate fine and medium subangular blocky structure; firm; 0.5 fine tubular pores; 15 percent faint clay films and 37 percent faint silt coats on faces of peds and 37 percent black (10YR 2/1) oxide coats; fragments; gradual smooth boundary. Lab sample # 40A11791. discontinuous - phpvsfiid 174942; discontinuous - phpvsfiid 174942
    B24—85 to 100 centimeters (33.5 to 39.4 inches); olive gray (5Y 5/2) and gray (5Y 5/1) silty clay loam; 10 percent strong brown (7.5YR 5/6) fine mottles; weak medium prismatic parts to weak and moderate medium subangular blocky structure; firm; 3.0 fine tubular pores; 3 percent dark gray (10YR 4/1) clay films in root channels and/or pores and 3 percent black (10YR 2/1) oxide coats; fragments; clear smooth boundary. Lab sample # 40A11792. discontinuous - phpvsfiid 174945; discontinuous - phpvsfiid 174945
    B31—100 to 113 centimeters (39.4 to 44.5 inches); olive gray (5Y 5/2) and 30 percent strong brown (7.5YR 5/6) silty clay loam; weak medium and coarse prismatic parts to weak medium and coarse subangular blocky structure; firm; 3.0 fine tubular pores; 15 percent faint dark gray (10YR 4/1) clay films on faces of peds and in pores and 55 percent black (10YR 2/1) oxide coats; fragments; clear wavy boundary. Lab sample # 40A11793. discontinuous - phpvsfiid 174947; discontinuous - phpvsfiid 174947
    B32—113 to 128 centimeters (44.5 to 50.4 inches); olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/6) mottles; weak coarse prismatic parts to weak coarse subangular blocky structure; 3.0 fine tubular pores; faint clay films on faces of peds and 3 percent dark gray (10YR 4/1) clay films and 3 percent black (10YR 2/1) oxide coats; fragments; diffuse irregular boundary. Lab sample # 40A11794. diffuse, 1/2 inch wide, nearly vertical oriented zone of mottles.; discontinuous - phpvsfiid 174950; discontinuous - phpvsfiid 174950
    B33—128 to 145 centimeters (50.4 to 57.1 inches); olive gray (5Y 5/2) silty clay loam; strong brown (7.5YR 5/6) mottles; weak coarse prismatic parts to weak coarse subangular blocky structure; 3.0 fine tubular pores; faint clay films on faces of peds and faint silt coats and 3 percent dark gray (10YR 4/1) clay films and 3 percent black (10YR 2/1) oxide coats; fragments; diffuse smooth boundary. Lab sample # 40A11795. fewer fine mottles; diffuse, 1/2 inch, nearly vertical oriented zone of mottles.; discontinuous - phpvsfiid 174953; discontinuous - phpvsfiid 174953
    C—145 to 165 centimeters (57.1 to 65.0 inches); olive gray (5Y 5/2) silty clay loam; brown (7.5YR 4/4) mottles; weak coarse prismatic parts to weak coarse subangular blocky structure; 3.0 fine tubular pores; faint clay films on faces of peds and faint silt coats and 3 percent dark gray (10YR 4/1) clay films and 3 percent black (10YR 2/1) oxide coats; fragments; abrupt wavy boundary. Lab sample # 40A11796. fewer fine mottles; diffuse, 1/2 inch, nearly vertical oriented zone of mottles.; discontinuous - phpvsfiid 174957; discontinuous - phpvsfiid 174957
    2Ab—165 to 178 centimeters (65.0 to 70.1 inches); dark gray (10YR 4/1) silty clay loam, sand; 25 percent brown (7.5YR 4/4) fine and 25 percent strong brown (7.5YR 5/8) fine mottles; firm; fragments. Lab sample # 40A11797. distinct tonguing of olive gray (5Y 5/2) loess into the paleosol.