IDENTIFIERS

  • Current Taxon Name (Soil Name): Plato
  • OSD
  • Series Extent
  • User Site ID: 1995MO125007M
  • User Pedon ID: 1995MO125007
  • Transect:
  • User Transect ID - 1
  • Transect Stop Number - 5
  • Transect Interval - 45.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9512507
  • Print Date: 11/21/2024

    • 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: 38.0747624
  • Std. Longitude: -91.7642425
  • Datum: WGS84
  • Location Description: Dressendoffer property.
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: Keith Davis Brad Berhorst Wyn Kelley
  • Current Taxonomic Class: Fine, mixed Aquic Fragiudalfs
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Plato
  • Taxonomic Class - Fine, mixed Aquic Fragiudalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 8/16/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed and/or residuum weathered from dolomite
  • Landscape: plateau
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: toeslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/16/1995 (actual site observation date)
  • Air Photo ID: 14A
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—203

    —-

    —-
    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

    3

    —

    —

    320

    —

    90

    991

    —

    —

    12.8

    —

    —

    13.9

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); grayish brown (10YR 5/2) interior silt loam; weak fine granular structure; friable; 10.0 very fine and fine roots throughout; 4.0 very fine vesicular pores; 2 percent fine irregular noncoherent cemented dark yellowish brown (10YR 3/6) masses of oxidized iron throughout and 3 percent fine spherical noncoherent cemented black (7.5YR 2/1) iron-manganese masses throughout; fragments; strongly acid, pH 5.2, hellige-truog; abrupt smooth boundary. Lab sample # MU053532
    Bt1—20 to 38 centimeters (7.9 to 15.0 inches); brown (7.5YR 4/4) interior silty clay loam; moderate fine subangular blocky structure; firm; 4.0 very fine and fine roots between peds; 0.8 very fine vesicular pores; 70 percent distinct clay films on faces of peds; 1 percent fine spherical weakly coherent cemented black (7.5YR 2/1) dark nodules throughout; fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU053533. discontinuous - phpvsfiid 145278; discontinuous - phpvsfiid 145278
    Bt2—38 to 64 centimeters (15.0 to 25.2 inches); gray (10YR 5/1) crushed and strong brown (7.5YR 4/6) crushed silty clay; moderate fine subangular blocky structure; firm; 4.0 very fine and fine roots between peds; 0.8 very fine vesicular pores; 90 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual smooth boundary. Lab sample # MU053534. discontinuous - phpvsfiid 145279; discontinuous - phpvsfiid 145279
    2Btx1—64 to 99 centimeters (25.2 to 39.0 inches); brown (10YR 4/3) interior silt loam; moderate coarse and very coarse prismatic parts to weak thin platy structure; very firm; 0.8 very fine roots between peds; 0.8 very fine vesicular pores; 1 percent distinct manganese or iron-manganese stains on faces of peds and 10 percent distinct clay films on faces of peds; 10 percent medium irregular noncoherent cemented dark yellowish brown (10YR 4/6) masses of oxidized iron throughout; 5 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU053535. 90% of matrix is brittle. There are 10YR 6/1 gray seams 1 cm. wide, about 6 to 8 inches apart; discontinuous - phpvsfiid 145280; discontinuous - phpvsfiid 145281; discontinuous - phpvsfiid 145280; discontinuous - phpvsfiid 145281
    2Btx2—99 to 130 centimeters (39.0 to 51.2 inches); yellowish brown (10YR 5/4) interior silt loam; 20 percent grayish brown (10YR 5/2) medium distinct irregular mottles; moderate coarse and very coarse prismatic structure; very firm; 0.8 very fine roots between peds; 0.5 very fine vesicular pores; 20 percent distinct clay films on faces of peds; 5 percent medium irregular noncoherent cemented dark yellowish brown (10YR 4/4) masses of oxidized iron throughout; 5 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU053536. 70% of the matrix is brittle. There are 10YR 6/1 gray seams 1 cm. wide, about 6 to 8 inches apart.; discontinuous - phpvsfiid 145282; discontinuous - phpvsfiid 145282
    3Bt1—130 to 165 centimeters (51.2 to 65.0 inches); strong brown (7.5YR 5/6) interior silty clay loam; moderate coarse and very coarse prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine vesicular pores; 5 percent prominent black (7.5YR 2/1), moist, manganese or iron-manganese stains on faces of peds and 50 percent distinct clay films on faces of peds; 2 percent fine irregular noncoherent cemented red (2.5YR 4/6) masses of oxidized iron throughout and 20 percent medium irregular noncoherent cemented pale brown (10YR 6/3) masses of oxidized iron throughout; 10 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # MU053537. On prism faces there are 10YR 6/1 gray seams 1 cm. wide; discontinuous - phpvsfiid 145283; discontinuous - phpvsfiid 145284; discontinuous - phpvsfiid 145283; discontinuous - phpvsfiid 145284
    3Bt2—165 to 203 centimeters (65.0 to 79.9 inches); gray (10YR 6/1) interior and yellowish brown (10YR 5/6) interior very gravelly clay; moderate medium angular blocky structure; firm; 0.5 very fine vesicular pores; 40 percent distinct gray (10YR 6/1), moist, clay films on faces of peds; 10 percent by volume subrounded 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume subrounded 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.8, hellige-truog. Lab sample # MU053538. discontinuous - phpvsfiid 145285; discontinuous - phpvsfiid 145285