IDENTIFIERS

  • Current Taxon Name (Soil Name): Adair
  • OSD
  • Series Extent
  • User Site ID: S1983IA107002
  • User Pedon ID: 83IA107002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0425
  • NCSS Pedon Lab Data NASIS Record ID - 54669
  • Print Date: 3/13/2025

    • 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: 41.3391685
  • Std. Longitude: -92.2694473
  • Datum: WGS84
  • Township: 76N
  • Range: 12W
  • Section: 32
  • PLSS Details: SE1/4SW1/4
  • Country: US—United States
  • State: Iowa
  • County: IA107—Keokuk
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA107—Keokuk County, Iowa

    • PEDON

  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Adair
  • Taxonomic Class - Fine, montmorillonitic Aquic Argiudolls
  • PSC - 13 to 64 cm.
  • Classificaton Date - 10/1/1983
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed-calcareous and/or till derived from mixed-calcareous
  • Landscape: upland
  • Landform: upland slope
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—13

    13—71

    —-

    —-
    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

    12

    —

    —

    —

    —

    270

    —

    —

    —

    —

    —

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    1Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (10YR 3/3) interior, brown (10YR 4/3) interior, dry; clay loam; weak medium subangular blocky structure; friable; 2 percent by volume 2-39-75 millimeter mixed fragments; abrupt smooth boundary. Lab sample # 84P02281. 7.5YR 4/3 subsoil mixings.
    1Bt1—13 to 30 centimeters (5.1 to 11.8 inches); brown (7.5YR 4/4) interior and dark reddish brown (2.5YR 3/4) interior clay; moderate fine and medium subangular blocky structure; very firm; very dark grayish brown (10YR 3/2), moist, clay films on faces of peds; 2 percent by volume 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # 84P02282. discontinuous - phpvsfiid 216971; discontinuous - phpvsfiid 216971
    1Bt2—30 to 46 centimeters (11.8 to 18.1 inches); strong brown (7.5YR 5/6) interior and reddish brown (5YR 4/4) interior clay; 1 percent dark reddish brown (2.5YR 3/4) fine distinct mottles; moderate fine and medium subangular blocky structure; very firm; very dark grayish brown (10YR 3/2), moist, clay films on faces of peds; 2 percent by volume 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # 84P02283. few fine distinct 2.5YR34 mottles; discontinuous - phpvsfiid 216972; discontinuous - phpvsfiid 216972
    1Bt3—46 to 71 centimeters (18.1 to 28.0 inches); yellowish brown (10YR 5/6) interior clay loam; 1 percent brown (7.5YR 4/4) fine distinct mottles; weak medium prismatic structure; very firm; brown (7.5YR 4/4), moist, clay films on faces of peds; 2 percent by volume 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # 84P02284. Thin strata of sandy clay loam at 23 in.; few fine distinct 7.5YR44 mottles; discontinuous - phpvsfiid 216973; discontinuous - phpvsfiid 216973
    1C1—71 to 91 centimeters (28.0 to 35.8 inches); strong brown (7.5YR 5/6) interior and yellowish brown (10YR 5/6) interior sandy clay loam; massive; very firm; 30 percent by volume 2-39-75 millimeter mixed fragments; clear smooth boundary. Lab sample # 84P02285. Pebbles are in lower part.
    1C2—91 to 122 centimeters (35.8 to 48.0 inches); yellowish brown (10YR 5/4) interior and yellowish brown (10YR 5/6) interior clay loam; 1 percent gray (10YR 5/1) medium distinct mottles; massive; very firm; 15 percent black (10YR 2/1), moist, oxide coats on faces of peds; fragments. Lab sample # 84P02286. Sample is from 36 to 43 in.; few oxide coats surface features on faces of peds; few medium distinct 10YR51 mottles