IDENTIFIERS

  • Current Taxon Name (Soil Name): Plato
  • OSD
  • Series Extent
  • User Site ID: 1994MO125003S
  • User Pedon ID: 1994MO125003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 95P0338
  • Print Date: 5/20/2024

    • 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: 38.2799988
  • Std. Longitude: -91.8658371
  • Datum: WGS84
  • Township: T41N
  • Range: R9W
  • Section: 36
  • PLSS Details: 400 feet N and 100 feet W of the SE corner
  • State: Missouri
  • County: MO125—Maries
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO125—Maries County, Missouri
  • 7.5 Minute USGS Quad: 38091-B7—Paydown, Missouri

    • PEDON

  • Current Taxonomic Class: Fine, mixed Aquic Fragiudalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Plato
  • Taxonomic Class - Fine, mixed Aquic Fragiudalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 5/1/1994
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed
  • Landscape: hills
  • Landform: ridge
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1994 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    258

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); grayish brown (10YR 5/2) interior silt loam; moderate fine granular structure; friable; 21.0 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # 95P02635. All rock fragments throughout this pedon are chert.
    Bt1—20 to 41 centimeters (7.9 to 16.1 inches); 50 percent strong brown (7.5YR 4/6) interior and 50 percent yellowish red (5YR 4/6) interior silty clay; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout; 0.5 very fine moderate-continuity vesicular pores; 30 percent distinct clay films on tops of soil columns and 30 percent prominent silt coats on faces of peds and 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 95P02636. discontinuous - phpvsfiid 181772; continuous - phpvsfiid 194361; discontinuous - phpvsfiid 181773; discontinuous - phpvsfiid 181772; continuous - phpvsfiid 194361; discontinuous - phpvsfiid 181773
    Bt2—41 to 61 centimeters (16.1 to 24.0 inches); 70 percent brown (10YR 5/3) interior and 30 percent yellowish brown (10YR 5/6) interior silty clay loam; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 30 percent distinct clay films on tops of soil columns and 30 percent distinct clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # 95P02637. continuous - phpvsfiid 181774; discontinuous - phpvsfiid 181775; continuous - phpvsfiid 181774; discontinuous - phpvsfiid 181775
    Bt3—61 to 76 centimeters (24.0 to 29.9 inches); 60 percent grayish brown (10YR 5/2) interior and 30 percent dark yellowish brown (10YR 4/6) interior silty clay loam; 3 percent dark yellowish brown (10YR 4/4) fine distinct irregular mottles; moderate fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout; 3.0 very fine moderate-continuity vesicular pores; 30 percent distinct clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; abrupt wavy boundary. Lab sample # 95P02638. discontinuous - phpvsfiid 181776; discontinuous - phpvsfiid 181776
    2Btx1—76 to 102 centimeters (29.9 to 40.2 inches); 80 percent yellowish brown (10YR 5/4) interior silt loam; 3 percent grayish brown (10YR 5/2) fine distinct irregular and 3 percent dark yellowish brown (10YR 4/4) fine faint irregular mottles; moderate very coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 0.5 very fine low-continuity vesicular pores; 10 percent prominent manganese or iron-manganese stains on faces of peds and 30 percent prominent clay films on faces of peds; fragments; extremely acid, pH 4.0, hellige-truog; clear wavy boundary. Lab sample # 95P02639. discontinuous - phpvsfiid 181777; discontinuous - phpvsfiid 181778; discontinuous - phpvsfiid 181777; discontinuous - phpvsfiid 181778
    2Btx2—102 to 127 centimeters (40.2 to 50.0 inches); yellowish brown (10YR 5/4) interior silt loam; moderate coarse prismatic structure; extremely firm*; 0.5 very fine roots in cracks; 0.5 very fine low-continuity vesicular pores; 30 percent prominent clay films in root channels and/or pores; 5 percent by volume subrounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.0, hellige-truog; clear wavy boundary. Lab sample # 95P02640. discontinuous - phpvsfiid 181779; discontinuous - phpvsfiid 181779
    2Btx3—127 to 152 centimeters (50.0 to 59.8 inches); yellowish brown (10YR 5/4) interior extremely gravelly silt loam; weak coarse prismatic structure; extremely firm*; 0.5 fine moderate-continuity vesicular pores; 10 percent distinct clay films on faces of peds and 10 percent prominent manganese or iron-manganese stains throughout and 30 percent distinct silt coats throughout; 5 percent by volume subrounded 75-162-250 millimeter unspecified fragments and 65 percent by volume subrounded 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.0, hellige-truog. Lab sample # 95P02641. continuous - phpvsfiid 181782; discontinuous - phpvsfiid 181780; discontinuous - phpvsfiid 181781; continuous - phpvsfiid 181782; discontinuous - phpvsfiid 181780; discontinuous - phpvsfiid 181781