IDENTIFIERS

  • Current Taxon Name (Soil Name): Seymour
  • OSD
  • Series Extent
  • User Site ID: S1985IA185062
  • User Pedon ID: 85IA1850062
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0419
  • NCSS Pedon Lab Data NASIS Record ID - 58224
  • Print Date: 11/21/2024

    • 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: 40.7500000
  • Std. Longitude: -93.4916687
  • Datum: WGS84
  • Township: 69N
  • Range: 23W
  • Section: 27
  • PLSS Details: 229 feet south and 2161 feet east of northwest corner
  • 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: TAD and JMG
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Seymour
  • Taxonomic Class - Fine, montmorillonitic Mollic Ochraqualfs
  • Classificaton Date - 12/1/1985
  • Moisture Class - udic
  • 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: 12/1/1985 (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

    6

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    315

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    1Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) interior silty clay loam; 4 percent sand; 30 percent clay; 1 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate medium subangular blocky, and moderate very fine and fine subangular blocky structure; friable; 0.1 coarse roots; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 86P02488. (2.5Y 4/2) streaks and pockets.; very few coarse roots; few fine prominent 7.5YR56 mottles
    1Bt1—18 to 30 centimeters (7.1 to 11.8 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 4 percent sand; 36 percent clay; 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate very fine and fine subangular blocky structure; firm; 0.1 coarse roots; 15 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores and 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 86P02489. few oxide coats surface features in root channels and/or pores; few clay films surface features on faces of peds; very few coarse roots; common fine prominent 7.5YR56 mottles
    1Bt2—30 to 41 centimeters (11.8 to 16.1 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 4 percent sand; 52 percent clay; 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate medium prismatic, and strong fine subangular blocky structure; firm; 0.1 fine roots; 37 percent prominent dark gray (10YR 4/1), moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 86P02490. common clay films surface features on faces of peds; very few fine roots; common fine prominent 7.5YR56 mottles
    1Bt3—41 to 61 centimeters (16.1 to 24.0 inches); grayish brown (2.5Y 5/2) interior and strong brown (7.5YR 4/6) interior silty clay; 4 percent sand; 48 percent clay; moderate fine prismatic, and moderate fine subangular blocky structure; firm; 0.1 fine roots; 2 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores and 37 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 86P02491. Horizon split 41 to 51 cm 86P2491 and 51 to 61 cm sample number 86P2492.; very few oxide coats surface features in root channels and/or pores; common clay films surface features on faces of peds; very few fine roots
    1Bt4—61 to 97 centimeters (24.0 to 38.2 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 4 percent sand; 43 percent clay; 11 percent strong brown (7.5YR 5/6) fine and medium prominent mottles; weak medium prismatic, and weak medium subangular blocky structure; firm; 0.1 fine roots; 2 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; moderately acid, pH 5.8, hellige-truog; gradual wavy boundary. Lab sample # 86P02493. Horizon split 61 to 74 cm 86P2493 74 to 86 cm sample number 86P2494 and 86 to 97 cm sample number 86P2495.; very few oxide coats surface features in root channels and/or pores; very few fine roots; common fine and medium prominent 7.5YR56 mottles
    1BC—97 to 122 centimeters (38.2 to 48.0 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 4 percent sand; 36 percent clay; 11 percent strong brown (7.5YR 5/6) medium prominent and 11 percent dark reddish brown (5YR 3/4) fine prominent mottles; moderate medium prismatic, and moderate fine and medium subangular blocky structure; firm; 0.1 fine roots; 2 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. very few oxide coats surface features in root channels and/or pores; very few fine roots; common medium prominent 7.5YR56 mottles; common fine prominent 5YR34 mottles
    1C—122 to 135 centimeters (48.0 to 53.1 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 4 percent sand; 32 percent clay; 11 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium prismatic, and weak medium angular blocky structure; firm; 0.1 fine roots; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. very few fine roots; common medium prominent 7.5YR56 mottles
    2C—135 to 152 centimeters (53.1 to 59.8 inches); dark gray (10YR 4/1) interior and dark gray (2.5Y 4/1) interior silty clay loam; 18 percent sand; 30 percent clay; 1 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate coarse platy structure; firm; fragments; neutral, pH 6.6, hellige-truog. few fine prominent 7.5YR56 mottles