IDENTIFIERS

  • Current Taxon Name (Soil Name): Adco
  • OSD
  • Series Extent
  • User Site ID: S1987MO121027
  • User Pedon ID: 1987MO121027
  • Vegetation Plot ID: S1987MO121027
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0772
  • NCSS Pedon Lab Data NASIS Record ID - 60067
  • Print Date: 2/17/2025

    • 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: 40.0041656
  • Std. Longitude: -92.3675003
  • Datum: WGS84
  • Township: T60N
  • Range: R13W
  • Section: 17
  • PLSS Details: 2700 feet S and 3780 feet E of the NW corner
  • Location Description: Clarence Woods.
  • State: Missouri
  • County: MO121—Macon
  • MLRA: 113—Central Claypan Areas

    • PEDON

  • Describers Name: MLC MS TM
  • Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 27
  • Correlated Information:
  • Soil Name - Adco
  • PSC - 33 to 83 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Adco
  • Taxonomic Class - Fine, montmorillonitic, mesic Aquollic Hapludalf
  • Taxon Kind - taxadjunct
  • Classificaton Date - 9/1/1987
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed and/or colluvium derived from mixed
  • Landscape: upland
  • Landform: upland slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: frequent flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1987 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRIFO

    Trifolium

    clover

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—23

    33—140

    —-

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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

    1

    —

    —

    265

    —

    45

    —

    —

    —

    —

    —

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    —

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    1Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate very fine granular structure; very friable; 5.5 very fine and fine roots throughout; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 87P04188; moist when described;. many very fine and fine roots throughout
    1E—23 to 33 centimeters (9.1 to 13.0 inches); brown (10YR 5/3), brown (10YR 5/3), dry; silt loam; 1 percent strong brown (7.5YR 5/8) fine prominent mottles; weak very fine subangular blocky structure; very friable; 2.5 very fine roots and 2.5 very fine roots throughout; fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 87P04189; moist when described;. Mixing of A material in the upper part of the E. The Pershing series calls for a BE 5 to 15 cm thick while this pedon has no BE.; common very fine roots throughout; common very fine roots; few fine prominent 7.5YR58 mottles
    1Bt1—33 to 49 centimeters (13.0 to 19.3 inches); dark grayish brown (10YR 4/2) silty clay; 11 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate medium prismatic, and moderate very fine subangular blocky structure; firm; 2.5 very fine roots throughout; 2 percent faint , moist, organic stains on faces of peds and 55 percent prominent , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 87P04190; moist when described;. many clay films surface features on faces of peds; very few organic coats surface features on faces of peds; common very fine roots throughout; common fine prominent 7.5YR58 mottles; discontinuous - phpvsfiid 232320; discontinuous - phpvsfiid 232321; discontinuous - phpvsfiid 232320; discontinuous - phpvsfiid 232321
    1Bt2—49 to 69 centimeters (19.3 to 27.2 inches); brown (10YR 4/3) interior silty clay; 1 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; firm; 2.5 very fine roots throughout; 15 percent faint , moist, manganese or iron-manganese stains throughout and 37 percent prominent , moist, slickensides (pedogenic) throughout and 55 percent prominent , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # 87P04191; moist when described;. 52 percent clay estimate. This is the horizon which kicks the pedon out of Ochraqualfs and into Hapludalfs because of color. We think this layer causes the perched water table.; many clay films surface features on faces of peds; common intersecting slickensides surface features throughout; few manganese or iron-manganese stains surface features throughout; common very fine roots throughout; few fine distinct 10YR56 mottles; continuous - phpvsfiid 222437; discontinuous - phpvsfiid 222436; discontinuous - phpvsfiid 222438; continuous - phpvsfiid 222437; discontinuous - phpvsfiid 222436; discontinuous - phpvsfiid 222438
    1Bt3—69 to 102 centimeters (27.2 to 40.2 inches); grayish brown (2.5Y 5/2) silty clay loam; 11 percent yellowish red (5YR 5/8) fine prominent and 11 percent yellowish red (5YR 5/8) medium prominent mottles; moderate very fine subangular blocky structure; firm; 0.5 very fine roots throughout; 15 percent prominent , moist, manganese or iron-manganese stains throughout and 37 percent prominent , moist, clay films on faces of peds; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 87P04192; moist when described;. 35 percent clay estimate.; common clay films surface features on faces of peds; few manganese or iron-manganese stains surface features throughout; few very fine roots throughout; common fine prominent 5YR58 mottles; common medium prominent 5YR58 mottles; discontinuous - phpvsfiid 222439; discontinuous - phpvsfiid 222440; discontinuous - phpvsfiid 222439; discontinuous - phpvsfiid 222440
    1Bt4—102 to 140 centimeters (40.2 to 55.1 inches); grayish brown (2.5Y 5/2) silty clay loam; 11 percent dark yellowish brown (10YR 4/6) coarse prominent and 11 percent yellowish brown (10YR 5/6) coarse prominent mottles; weak very fine subangular blocky structure; friable; 0.5 very fine roots throughout; 2 percent faint , moist, clay films on faces of peds and 15 percent prominent , moist, manganese or iron-manganese stains on faces of peds; 1 percent fine spherical iron-manganese concretions; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 87P04193; moist when described;. few fine iron-manganese concretions concentrations; very few clay films surface features on faces of peds; few manganese or iron-manganese stains surface features on faces of peds; few very fine roots throughout; common coarse prominent 10YR46 mottles; common coarse prominent 10YR56 mottles; discontinuous - phpvsfiid 222441; discontinuous - phpvsfiid 222442; discontinuous - phpvsfiid 222441; discontinuous - phpvsfiid 222442
    2Ab—140 to 155 centimeters (55.1 to 61.0 inches); yellowish brown (10YR 5/8) silt loam; 11 percent yellowish brown (10YR 5/6) coarse prominent mottles; weak medium prismatic, and weak very fine subangular blocky structure; friable; 11 percent fine irregular iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 87P04194; moist when described;. common fine soft masses of iron-manganese concentrations; common coarse prominent 10YR56 mottles
    2Bb—155 to 178 centimeters (61.0 to 70.1 inches); yellowish brown (10YR 5/8) silty clay loam; 30 percent gray (10YR 6/1) coarse prominent mottles; weak very fine subangular blocky structure; friable; 30 percent medium spherical iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog. Lab sample # 87P04195; moist when described;. Pedisediment continues in this horizon. Small pebbles are present.; many medium soft masses of iron-manganese concentrations; many coarse prominent 10YR61 mottles