IDENTIFIERS

  • Current Taxon Name (Soil Name): Lamoni
  • OSD
  • Series Extent
  • User Site ID: S1983IA185003
  • User Pedon ID: 83IA185003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0431
  • NCSS Pedon Lab Data NASIS Record ID - 54675
  • Print Date: 4/25/2025

    • 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: 40.7833328
  • Std. Longitude: -93.4755554
  • Datum: WGS84
  • Township: 69N
  • Range: 23W
  • Section: 11
  • PLSS Details: S 1/2, W 1/2
  • State: Iowa
  • County: IA185—Wayne

    • PEDON

  • Describers Name: T.A.D. and J.M.G.
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Lamoni
  • Taxonomic Class - Fine, montmorillonitic Aquic Argiudolls
  • Classificaton Date - 10/1/1983
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1983 (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

    7

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    180

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    1Ap—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) interior and dark grayish brown (2.5Y 4/2) interior silty clay; 16 percent sand; 43 percent clay; moderate fine subangular blocky structure; friable; 0.1 coarse roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 84P02317. very few coarse roots
    1Bt1—8 to 20 centimeters (3.1 to 7.9 inches); dark grayish brown (2.5Y 4/2) interior and light olive brown (2.5Y 5/4) interior clay; 22 percent sand; 50 percent clay; 1 percent strong brown (7.5YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; firm; 0.1 fine roots; 15 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains in root channels and/or pores and 15 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 84P02318. few organic coats surface features in root channels and/or pores; few organic coats surface features on faces of peds; very few fine roots; few fine distinct 7.5YR56 mottles
    1Bt2—20 to 36 centimeters (7.9 to 14.2 inches); light olive brown (2.5Y 5/4) interior clay; 22 percent sand; 41 percent clay; 11 percent strong brown (7.5YR 5/6) fine distinct and 11 percent grayish brown (2.5Y 5/2) fine faint mottles; weak medium subangular blocky structure; firm; 0.1 fine roots; 15 percent faint dark grayish brown (2.5Y 4/2), moist, clay films on faces of peds and 15 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains in root channels and/or pores and 15 percent dark reddish brown (5YR 3/2), moist, manganese or iron-manganese stains on vertical faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 84P02319. few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; few manganese or iron-manganese stains surface features on vertical faces of peds; very few fine roots; common fine distinct 7.5YR56 mottles; common fine faint 2.5Y52 mottles
    1Bt3—36 to 58 centimeters (14.2 to 22.8 inches); grayish brown (2.5Y 5/2) interior clay loam; 22 percent sand; 36 percent clay; 1 percent strong brown (7.5YR 5/6) fine prominent and 11 percent light olive brown (2.5Y 5/6) medium distinct mottles; weak medium subangular blocky structure; firm; 0.1 fine roots; 2 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains in root channels and/or pores and 15 percent faint dark grayish brown (2.5Y 4/2), moist, clay films on faces of peds and 15 percent dark reddish brown (5YR 3/2), moist, manganese or iron-manganese stains on vertical faces of peds; fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # 84P02320. few clay films surface features on faces of peds; very few organic coats surface features in root channels and/or pores; few manganese or iron-manganese stains surface features on vertical faces of peds; very few fine roots; few fine prominent 7.5YR56 mottles; common medium distinct 2.5Y56 mottles
    1Bt4—58 to 84 centimeters (22.8 to 33.1 inches); grayish brown (2.5Y 5/2) interior and strong brown (7.5YR 5/6) interior clay loam; 30 percent sand; 32 percent clay; 11 percent light olive brown (2.5Y 5/6) fine faint mottles; weak medium prismatic, and moderate fine and medium subangular blocky structure; very 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 grayish brown (10YR 3/2), moist, organic stains in root channels and/or pores and 15 percent dark reddish brown (5YR 3/2), moist, manganese or iron-manganese stains on vertical faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 84P02321. few clay films surface features on faces of peds; few organic coats surface features in root channels and/or pores; few manganese or iron-manganese stains surface features on vertical faces of peds; very few fine roots; common fine faint 2.5Y56 mottles
    1Bt5—84 to 104 centimeters (33.1 to 40.9 inches); light olive gray (5Y 6/2) interior and strong brown (7.5YR 5/8) interior clay loam; 36 percent sand; 36 percent clay; moderate medium prismatic, and moderate medium subangular blocky structure; very firm; 0.1 fine roots; 2 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains in root channels and/or pores and 15 percent distinct dark gray (2.5Y 4/1), moist, clay films on faces of peds and 15 percent dark reddish brown (5YR 3/2), moist, manganese or iron-manganese stains on vertical faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 84P02322. few clay films surface features on faces of peds; very few organic coats surface features in root channels and/or pores; few manganese or iron-manganese stains surface features on vertical faces of peds; very few fine roots
    1BC—104 to 122 centimeters (40.9 to 48.0 inches); light olive gray (5Y 6/2) interior unknown texture; 36 percent clay; 30 percent strong brown (7.5YR 5/6) fine and medium prominent and 30 percent strong brown (7.5YR 5/8) fine and medium prominent mottles; moderate medium prismatic, and moderate medium subangular blocky structure; extremely firm*; 0.1 fine roots; 2 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains in root channels and/or pores and 15 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on faces of peds and 37 percent dark reddish brown (5YR 3/2), moist, manganese or iron-manganese stains on vertical faces of peds; fragments; neutral, pH 6.8, hellige-truog. Not sampled.; few clay films surface features on faces of peds; very few organic coats surface features in root channels and/or pores; common manganese or iron-manganese stains surface features on vertical faces of peds; very few fine roots; many fine and medium prominent 7.5YR56 mottles; many fine and medium prominent 7.5YR58 mottles
    1BC—122 to 152 centimeters (48.0 to 59.8 inches); unknown texture; 0.1 fine roots; fragments; slightly acid, pH 6.2, hellige-truog. Same as above horizon; from 51 to 55 inches, an increase in Mn to greater than 20% flat, and on pore surfaces.; very few fine roots