IDENTIFIERS

  • Current Taxon Name (Soil Name): Plato
  • OSD
  • Series Extent
  • User Site ID: 1997MO091307M
  • User Pedon ID: 1997MO091307
  • Transect:
  • User Transect ID - 48B-2
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9709161
  • Print Date: 11/12/2024

    • 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: 36.5569417
  • Std. Longitude: -91.9760306
  • Datum: WGS84
  • Map Unit: 73299—Plato-Jerktail complex, 1 to 3 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: SFP, MJM, RDR, SVV
  • Current Taxonomic Class: Fine, mixed Aquic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Plato
  • PSC - 25 to 75 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Plato
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 9/9/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or pedisediment and/or residuum
  • Landscape: hills
  • Landform: basin floor
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: footslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/9/1997 (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

    argillic horizon

    mottles with chroma 2 or less

    fragipan

    0—25

    25—152

    38—152

    76—137

    —-

    —-

    —-

    —-
    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

    —

    —

    305

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); dark grayish brown (10YR 4/2) rubbed silt loam; moderate medium subangular blocky parts to moderate fine granular structure; friable; 3.0 fine roots; 3.0 fine interstitial and tubular pores; 5 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 2 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU018423
    Bt1—25 to 38 centimeters (9.8 to 15.0 inches); dark yellowish brown (10YR 4/6) exterior silt loam; 2 percent pale brown (10YR 6/3) fine distinct mottles; moderate fine subangular blocky structure; firm; 3.0 fine roots; 3.0 fine interstitial and tubular pores; 15 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds and 35 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds; 5 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 2 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU018424. discontinuous - phpvsfiid 142284; discontinuous - phpvsfiid 142285; discontinuous - phpvsfiid 142284; discontinuous - phpvsfiid 142285
    Bt2—38 to 51 centimeters (15.0 to 20.1 inches); dark yellowish brown (10YR 4/6) exterior clay loam; 2 percent light brownish gray (10YR 6/2) fine distinct mottles; moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots; 3.0 fine tubular pores; 15 percent prominent dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds and 15 percent distinct light gray (10YR 7/2), moist, silt coats on faces of peds and 35 percent faint dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; 2 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 2 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU018425. continuous - phpvsfiid 142286; discontinuous - phpvsfiid 142287; discontinuous - phpvsfiid 142288; continuous - phpvsfiid 142286; discontinuous - phpvsfiid 142287; discontinuous - phpvsfiid 142288
    Bt3—51 to 76 centimeters (20.1 to 29.9 inches); brown (10YR 4/3) exterior clay; 2 percent light brownish gray (10YR 6/2) fine distinct and 5 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky, and moderate fine angular blocky structure; very firm; 3.0 fine roots; 3.0 fine tubular pores; 15 percent prominent red (2.5YR 4/6), moist, iron stains on faces of peds and 75 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds; 2 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 10 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU018426. continuous - phpvsfiid 142289; discontinuous - phpvsfiid 142290; continuous - phpvsfiid 142289; discontinuous - phpvsfiid 142290
    2Btx1—76 to 99 centimeters (29.9 to 39.0 inches); pale brown (10YR 6/3) exterior gravelly loam; 2 percent yellowish brown (10YR 5/6) fine distinct and 5 percent light brownish gray (10YR 6/2) fine faint mottles; weak coarse prismatic parts to weak medium platy parts to weak fine subangular blocky structure; brittle; 3.0 very fine and fine vesicular and tubular pores; 35 percent prominent dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 35 percent distinct light gray (10YR 7/2), moist, silt coats on faces of peds; 2 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 15 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear irregular boundary. Lab sample # MU018427. Horizon is >60 percent brittle.; discontinuous - phpvsfiid 142291; discontinuous - phpvsfiid 142292; discontinuous - phpvsfiid 142291; discontinuous - phpvsfiid 142292
    2Btx2—99 to 137 centimeters (39.0 to 53.9 inches); light brownish gray (10YR 6/2) exterior very gravelly loam; 2 percent yellowish brown (10YR 5/6) fine distinct and 5 percent light gray (10YR 7/2) fine distinct mottles; weak very coarse prismatic parts to weak fine subangular blocky structure; brittle; 7.0 very fine to medium vesicular and tubular pores; 35 percent prominent yellowish red (5YR 4/6), moist, clay films on faces of peds and 75 percent prominent black (N 2/0), moist, iron stains throughout; 3 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 55 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU018428. Horizon is >60 percent brittle.; discontinuous - phpvsfiid 144530; discontinuous - phpvsfiid 144531; discontinuous - phpvsfiid 144530; discontinuous - phpvsfiid 144531
    3Bt4—137 to 152 centimeters (53.9 to 59.8 inches); 50 percent yellowish brown (10YR 5/6) exterior and 50 percent yellowish red (5YR 5/6) exterior gravelly clay; 2 percent light gray (10YR 7/2) fine distinct mottles; moderate medium subangular blocky structure; very firm; 0.9 fine tubular pores; 15 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on faces of peds and 15 percent prominent light gray (10YR 7/2), moist, silt coats on faces of peds and 35 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds and 35 percent prominent black (N 2/0), moist, iron stains throughout; 3 percent fine spherical black (N 2/0) iron-manganese concretions throughout; 25 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified. Lab sample # MU018429. discontinuous - phpvsfiid 144532; discontinuous - phpvsfiid 144533; discontinuous - phpvsfiid 144534; discontinuous - phpvsfiid 144535; discontinuous - phpvsfiid 144532; discontinuous - phpvsfiid 144533; discontinuous - phpvsfiid 144534; discontinuous - phpvsfiid 144535