IDENTIFIERS

  • Current Taxon Name (Soil Name): Seymour
  • OSD
  • Series Extent
  • User Site ID: S1984IA1850041
  • User Pedon ID: 84IA1850041
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0527
  • NCSS Pedon Lab Data NASIS Record ID - 56793
  • Print Date: 2/16/2025

    • 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: 40.7694435
  • Std. Longitude: -93.4833298
  • Datum: WGS84
  • Township: 69N
  • Range: 23W
  • Section: 23
  • PLSS Details: 1113 feet E and 90 feet S of NW corner
  • Location Description: D. Hull farm.
  • State: Iowa
  • County: IA185—Wayne

    • PEDON

  • Describers Name: TAD JMG
  • 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 - Seymour
  • PSC - 36 to 86 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Snd
  • Classificaton Date - 12/1/1984
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1984 (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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—25

    36—122

    —-

    —-
    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 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) interior silt loam; 4 percent sand; 24 percent clay; moderate very fine and fine subangular blocky structure; friable; 0.1 coarse roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 85P02645. Weak thick platy structure at the lower boundary.; very few coarse roots
    1A—18 to 25 centimeters (7.1 to 9.8 inches); very dark grayish brown (10YR 3/2) interior and very dark grayish brown (10YR 3/2) crushed silt loam; 4 percent sand; 20 percent clay; weak coarse platy, and moderate fine subangular blocky structure; friable; 0.1 coarse roots; 55 percent distinct very dark gray (10YR 3/1), moist, organic stains on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 85P02646. many organic coats surface features on faces of peds; very few coarse roots
    1B—25 to 36 centimeters (9.8 to 14.2 inches); dark grayish brown (10YR 4/2) interior and dark grayish brown (10YR 4/2) crushed silt loam; 4 percent sand; 25 percent clay; moderate fine and medium subangular blocky structure; friable; 0.1 coarse roots; 37 percent distinct very dark gray (10YR 3/1), moist, organic stains on faces of peds; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 85P02647. few fine iron-manganese concretions concentrations; common organic coats surface features on faces of peds; very few coarse roots
    1Bt1—36 to 43 centimeters (14.2 to 16.9 inches); dark grayish brown (10YR 4/2) interior silty clay loam; 4 percent sand; 32 percent clay; 11 percent dark yellowish brown (10YR 4/4) fine distinct mottles; weak medium prismatic, and moderate fine and medium subangular blocky structure; firm; 0.1 fine roots; 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 15 percent distinct very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 1 percent fine iron-manganese concretions; fragments; strongly acid, pH 5.4, hellige-truog; abrupt smooth boundary. Lab sample # 85P02648. few fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; very few fine roots; common fine distinct 10YR44 mottles
    1Bt2—43 to 51 centimeters (16.9 to 20.1 inches); dark grayish brown (10YR 4/2) interior silty clay; 4 percent sand; 50 percent clay; 11 percent dark yellowish brown (10YR 4/6) fine distinct mottles; strong medium prismatic, and moderate fine subangular blocky structure; firm; 0.1 fine roots; 15 percent distinct very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores and 55 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds; 1 percent fine iron-manganese concretions; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 85P02649. few fine iron-manganese concretions concentrations; few organic coats surface features in root channels and/or pores; many clay films surface features on faces of peds; very few fine roots; common fine distinct 10YR46 mottles
    1Bt3—51 to 61 centimeters (20.1 to 24.0 inches); dark grayish brown (10YR 4/2) interior silty clay; 4 percent sand; 48 percent clay; 30 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic structure; firm; 0.1 fine roots; 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 15 percent distinct very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 85P02650. few fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; very few fine roots; many fine distinct 10YR56 mottles
    1Bt4—61 to 76 centimeters (24.0 to 29.9 inches); brown (10YR 5/3) interior silty clay; 4 percent sand; 45 percent clay; 1 percent grayish brown (10YR 5/2) fine faint and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate medium prismatic structure; firm; 0.1 fine roots; 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 15 percent distinct very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 1 percent fine iron-manganese concretions; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 85P02651. few fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; very few fine roots; common fine distinct 10YR56 mottles; few fine faint 10YR52 mottles
    1Bt5—76 to 91 centimeters (29.9 to 35.8 inches); light olive brown (2.5Y 5/4) interior silty clay; 4 percent sand; 42 percent clay; 11 percent grayish brown (2.5Y 5/2) fine faint and 11 percent yellowish brown (10YR 5/6) fine prominent mottles; moderate medium prismatic structure; firm; 0.1 fine roots; 15 percent distinct very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 11 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; abrupt smooth boundary. Lab sample # 85P02652. common fine iron-manganese concretions concentrations; few organic coats surface features in root channels and/or pores; very few fine roots; common fine faint 2.5Y52 mottles; common fine prominent 10YR56 mottles
    1Bt6—91 to 107 centimeters (35.8 to 42.1 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 4 percent sand; 39 percent clay; 11 percent yellowish brown (10YR 5/6) fine prominent mottles; moderate fine and medium prismatic structure; firm; 0.1 fine roots; 15 percent distinct 2.5Y 4/0 (2.5Y 4/0), moist, clay films on faces of peds and 15 percent prominent very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 11 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Not sampled.; common fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; very few fine roots; common fine prominent 10YR56 mottles
    1Bt7—107 to 122 centimeters (42.1 to 48.0 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 4 percent sand; 36 percent clay; 11 percent yellowish brown (10YR 5/6) fine prominent mottles; moderate medium prismatic structure; firm; 0.1 fine roots; 15 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on faces of peds and 15 percent distinct very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 11 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog; gradual smooth boundary. Not sampled.; common fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; very few fine roots; common fine prominent 10YR56 mottles
    1BC—122 to 152 centimeters (48.0 to 59.8 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 4 percent sand; 33 percent clay; 30 percent yellowish brown (10YR 5/6) medium prominent mottles; weak coarse prismatic structure; firm; 0.1 fine roots; 15 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on faces of peds and 15 percent distinct very dark gray (10YR 3/1), moist, organic stains in root channels and/or pores; 11 percent fine iron-manganese concretions; fragments; neutral, pH 6.6, hellige-truog. Not sampled.; common fine iron-manganese concretions concentrations; few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; very few fine roots; many medium prominent 10YR56 mottles