IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 2005MO223005M
  • User Pedon ID: 2005MO223005
  • Vegetation Plot ID: 2005MO223005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0522305
  • Print Date: 11/23/2024

    • 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: 37.2811111
  • Std. Longitude: -90.4013889
  • Datum: WGS84
  • Township: T30N
  • Range: R6E
  • Section: 16
  • PLSS Details: 345 feet and 1479 feet of the NW corner
  • Country: US—United States
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116C—St. Francois Knobs and Basins
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 37090-C4—Coldwater, Missouri

    • PEDON

  • Describers Name: John Horton, Keith Knelle
  • Current Taxonomic Class: Clayey-skeletal, mixed, semiactive, mesic Oxyaquic Hapludults
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 5
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Clayey-skeletal, mixed, semiactive, mesic Oxyaquic Hapludults
  • Taxon Kind - series
  • PSC - 30 to 100 cm.
  • Classificaton Date - 1/26/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: gravelly pedisediment derived from mixed over clayey residuum weathered from dolomite
  • Landscape: hills
  • Landform: ridge
  • Microfeature: bar and channel
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Eminence Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/26/2005 (actual site observation date)
  • Air Photo ID: 37090c4se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIEC2

    QURU

    QUAL

    QUST

    CORNU

    SAAL5

    SMILA2

    Pinus echinata

    Quercus rubra

    Quercus alba

    Quercus stellata

    Cornus

    Sassafras albidum

    Smilax

    shortleaf pine

    northern red oak

    white oak

    post oak

    dogwood

    sassafras

    greenbrier

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

    ochric epipedon

    argillic horizon

    0—30

    30—160

    —30—

    —130—
    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

    12

    —

    —

    220.7

    —

    168

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    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) interior silt loam; weak fine subangular blocky structure; very friable; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 20 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments and 40 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU006339; observed in pit, small
    E—8 to 18 centimeters (3.1 to 7.1 inches); brown (10YR 4/3) interior silt loam; weak fine subangular blocky structure; very friable; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout and 0.5 coarse roots throughout; 10.0 very fine moderate-continuity tubular and 10.0 medium moderate-continuity tubular and 10.0 fine moderate-continuity tubular pores; 20 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments and 60 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU006340; observed in pit, small
    BE—18 to 30 centimeters (7.1 to 11.8 inches); yellowish brown (10YR 5/6) interior silt loam; moderate medium subangular blocky structure; friable; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine moderate-continuity vesicular and 10.0 fine moderate-continuity vesicular pores; 12 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on vertical faces of peds; 20 percent by volume nonflat very angular strongly coherent cemented 2-?-75 millimeter chert fragments and 20 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments; clear smooth boundary. Lab sample # MU006341; observed in pit, small
    2Bt1—30 to 61 centimeters (11.8 to 24.0 inches); strong brown (7.5YR 4/6) interior clay loam; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine moderate-continuity vesicular and 10.0 fine moderate-continuity vesicular pores; 12 percent distinct yellowish brown (10YR 5/6), moist, clay films on all faces of peds and 70 percent distinct strong brown (7.5YR 5/8), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat angular strongly coherent cemented 75-?-250 millimeter chert fragments and 50 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual smooth boundary.; observed in pit, small
    3Bt2—61 to 91 centimeters (24.0 to 35.8 inches); 40 percent yellow (10YR 8/8) interior and 30 percent brownish yellow (10YR 6/8) interior and 30 percent light gray (10YR 7/1) interior clay; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine moderate-continuity vesicular and 10.0 fine moderate-continuity vesicular pores; 35 percent distinct gray (10YR 6/1), moist, clay films on all faces of peds and 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light yellowish brown (2.5Y 6/3), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix; 40 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary.; observed in pit, small
    4Bt3—91 to 160 centimeters (35.8 to 63.0 inches); red (2.5YR 4/8) interior sandy clay; weak fine subangular blocky structure; very firm; 0.5 very fine moderate-continuity vesicular pores; 35 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 60 percent by volume nonflat angular strongly coherent cemented 2-?-75 millimeter chert fragments.; observed in pit, small