IDENTIFIERS

  • Current Taxon Name (Soil Name): Adair
  • OSD
  • Series Extent
  • User Site ID: S1984IA1730012
  • User Pedon ID: 84IA1730012
  • User Site Association ID: NC-ATL_Adair_Pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0565
  • NCSS Pedon Lab Data NASIS Record ID - 56831
  • Print Date: 1/29/2025

    • 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: 40.8194427
  • Std. Longitude: -94.8616638
  • Datum: WGS84
  • Township: 70N
  • Range: 35W
  • Section: 35
  • PLSS Details: 137 feet S and 1230 feet E of NW corner
  • Location Description: J. Hansen farm.
  • State: Iowa
  • County: IA173—Taylor

    • PEDON

  • Describers Name: RL & LB
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Adair
  • Taxonomic Class - Fine, montmorillonitic Aquic Argiudolls
  • PSC - 33 to 84 cm.
  • Classificaton Date - 10/1/1984
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Hill Slope Profile: summit
  • Slope Shape Down: convex
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1984 (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—33

    33—104

    —-

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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

    7

    —

    —

    —

    —

    225

    —

    —

    —

    —

    —

    —

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    1Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) interior clay loam; cloddy, and weak fine granular structure; friable; 2.5 fine roots; fragments; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 85P02882. common fine roots
    1A—18 to 33 centimeters (7.1 to 13.0 inches); very dark grayish brown (10YR 3/2) interior and very dark grayish brown (10YR 3/2) crushed clay loam; friable; 0.5 fine roots; very dark gray (10YR 3/1), moist, organic stains on faces of peds; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # 85P02883. few fine roots
    2Bt1—33 to 46 centimeters (13.0 to 18.1 inches); brown (7.5YR 4/4) interior clay loam; 1 percent strong brown (7.5YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; firm; 0.5 fine roots; brown (7.5YR 4/2), moist, clay films on faces of peds; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # 85P02884. few fine roots; few fine distinct 7.5YR56 mottles; discontinuous - phpvsfiid 219035; discontinuous - phpvsfiid 219035
    2Bt2—46 to 61 centimeters (18.1 to 24.0 inches); brown (7.5YR 4/4) interior clay; 1 percent yellowish red (5YR 5/6) fine prominent mottles; weak fine and medium subangular blocky structure; firm; 0.5 fine roots; brown (7.5YR 4/2), moist, clay films on faces of peds; 15 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 6.8, hellige-truog; gradual smooth boundary. Lab sample # 85P02885. few fine roots; few fine prominent 5YR56 mottles; continuous - phpvsfiid 219036; continuous - phpvsfiid 219036
    2Bt3—61 to 81 centimeters (24.0 to 31.9 inches); brown (7.5YR 5/4) interior clay loam; 1 percent yellowish red (5YR 5/6) fine prominent and 11 percent strong brown (7.5YR 5/6) fine distinct mottles; weak medium subangular blocky structure; firm; 0.1 fine roots; brown (7.5YR 4/2), moist, clay films on faces of peds; 1 percent dark concretions; 15 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 6.9, hellige-truog; gradual smooth boundary. Lab sample # 85P02886. few dark concretions concentrations; very few fine roots; common fine distinct 7.5YR56 mottles; few fine prominent 5YR56 mottles; discontinuous - phpvsfiid 219037; discontinuous - phpvsfiid 219037
    2Bt4—81 to 91 centimeters (31.9 to 35.8 inches); yellowish brown (10YR 5/4) interior and yellowish brown (10YR 5/6) clay loam; 1 percent grayish brown (10YR 5/2) fine distinct mottles; weak fine prismatic, and weak medium subangular blocky structure; firm; brown (10YR 5/3), moist, clay films on faces of peds; 1 percent dark concretions; 15 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 7.1, hellige-truog; gradual smooth boundary. Lab sample # 85P02887. few dark concretions concentrations; few fine distinct 10YR52 mottles; discontinuous - phpvsfiid 219038; discontinuous - phpvsfiid 219038
    2Bt4—91 to 104 centimeters (35.8 to 40.9 inches); yellowish brown (10YR 5/4) interior and yellowish brown (10YR 5/6) clay loam; 1 percent grayish brown (10YR 5/2) fine distinct mottles; weak fine prismatic, and moderate medium subangular blocky structure; firm; brown (10YR 5/3), moist, clay films on faces of peds; 1 percent dark concretions; 15 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 7.1, hellige-truog; gradual smooth boundary. Lab sample # 85P02888. few dark concretions concentrations; few fine distinct 10YR52 mottles; discontinuous - phpvsfiid 219039; discontinuous - phpvsfiid 219039
    2BC—104 to 122 centimeters (40.9 to 48.0 inches); yellowish brown (10YR 5/6) interior and yellowish brown (10YR 5/4) clay loam; 11 percent brown (10YR 5/3) fine faint mottles; weak coarse prismatic structure; firm; brown (10YR 5/3), moist, clay films on faces of peds; 1 percent fine dark concretions; 15 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 7.1, hellige-truog; gradual smooth boundary. Not sampled.; few fine dark concretions concentrations; common fine faint 10YR53 mottles; discontinuous - phpvsfiid 219040; discontinuous - phpvsfiid 219040
    2C—122 to 152 centimeters (48.0 to 59.8 inches); yellowish brown (10YR 5/6) interior clay loam; 11 percent yellowish brown (10YR 5/4) fine faint mottles; massive; firm; 1 percent fine dark concretions; 15 percent by volume 2-39-75 millimeter mixed fragments; neutral, pH 7.2, hellige-truog. Not sampled.; few fine dark concretions concentrations; common fine faint 10YR54 mottles