IDENTIFIERS

  • Current Taxon Name (Soil Name): Plato
  • OSD
  • Series Extent
  • User Site ID: 1988MO167031M
  • User Pedon ID: 1988MO167031
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9216714
  • 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: 37.7614194
  • Std. Longitude: -93.2329333
  • Datum: WGS84
  • Township: T35N
  • Range: R21W
  • Section: 22
  • PLSS Details: 550 feet N and 1600 feet W of the SE corner
  • Location Description: 550 feet north and 1600 feet west of the SE corner of S22, T35N, R21W.
  • Map Unit: 73007—Plato silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri

    • PEDON

  • Describers Name: Lewis Graves and Richard L. Henderson
  • Current Taxonomic Class: Fine, mixed Aquic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Plato
  • PSC - 30 to 69 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Needleye
  • Taxon Kind - series
  • PSC - 30 to 69 cm.
  • Classificaton Date - 11/4/1988
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or slope alluvium derived from cherty limestone and/or residuum weathered from cherty limestone
  • Landscape: plateau
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/4/1988 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous 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

    ochric epipedon

    albic horizon

    argillic horizon

    fragipan

    0—8

    8—30

    30—152

    69—152

    —-

    —-

    —-

    —-
    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

    2

    —

    —

    326

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) silt loam; weak very fine granular structure; friable; 6.0 coarse roots; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU015953
    E—8 to 30 centimeters (3.1 to 11.8 inches); pale brown (10YR 6/3) silt loam; weak medium platy structure; friable; 6.0 coarse roots; 60 percent distinct light brownish gray (10YR 6/2) silt coats on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU015954
    Bt1—30 to 38 centimeters (11.8 to 15.0 inches); yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) silty clay loam; weak very fine subangular blocky structure; firm; 6.0 coarse roots; 15 percent distinct brown (10YR 4/3) clay films on faces of peds and 35 percent distinct light brownish gray (10YR 6/2) silt coats on faces of peds; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU015955
    Bt2—38 to 56 centimeters (15.0 to 22.0 inches); yellowish brown (10YR 5/4) silty clay loam; moderate fine subangular blocky structure; firm; 6.0 coarse roots; 60 percent distinct brown (10YR 4/3) clay films on faces of peds; 1 percent fine yellowish brown (10YR 5/6) masses of oxidized iron and 1 percent fine iron-manganese concretions and 15 percent fine grayish brown (10YR 5/2) iron depletions; fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU015956
    Bt3—56 to 69 centimeters (22.0 to 27.2 inches); grayish brown (10YR 5/2) silty clay; strong fine subangular blocky structure; firm; 3.0 coarse roots; 60 percent distinct clay films on faces of peds; 15 percent fine yellowish brown (10YR 5/6) masses of oxidized iron and 25 percent fine dark yellowish brown (10YR 4/6) masses of oxidized iron; 5 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; abrupt wavy boundary. Lab sample # MU015957
    2Btx1—69 to 99 centimeters (27.2 to 39.0 inches); light brownish gray (10YR 6/2) and yellowish brown (10YR 5/4) and grayish brown (10YR 5/2) silt loam; massive; 0.5 fine roots in cracks; 15 percent distinct clay films on vertical faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU015958
    2Btx2—99 to 152 centimeters (39.0 to 59.8 inches); brown (7.5YR 4/4) and pale brown (10YR 6/3) and reddish brown (5YR 4/4) extremely gravelly loam; massive; 0.5 fine roots in cracks; 15 percent distinct clay films on vertical faces of peds; 1 percent fine reddish brown (2.5YR 4/4) masses of oxidized iron; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog. Lab sample # MU015959