IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 2005MO223002M
  • User Pedon ID: 2005MO223002
  • Vegetation Plot ID: 2005MO223002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0522302
  • Print Date: 11/26/2024

    • 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: 37.2808333
  • Std. Longitude: -90.3966667
  • Datum: WGS84
  • Township: T30N
  • Range: R6E
  • Section: 16
  • PLSS Details: 1671 feet and 1558 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: Leon Thompson, Kevin Godsey, Keith Knelle, John Horton
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, subactive, mesic Oxyaquic Paleudults
  • Pedon Type: map unit inclusion
  • Pedon Purpose: research site
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, subactive, mesic Oxyaquic Paleudults
  • Taxon Kind - series
  • PSC - 28 to 100 cm.
  • Classificaton Date - 1/25/2005
  • 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 dolomite over clayey residuum weathered from mixed
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Eminence Dolomite formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/25/2005 (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 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUST

    QUAL

    CARYA

    CORNU

    SAAL5

    ACER

    VITIS

    QUVE

    Quercus stellata

    Quercus alba

    Carya

    Cornus

    Sassafras albidum

    Acer

    Vitis

    Quercus velutina

    post oak

    white oak

    hybrid hickory

    dogwood

    sassafras

    maple

    grape

    black oak

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    —

    46 -

    - 1 -

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

    ochric epipedon

    cambic horizon

    argillic horizon

    abrupt textural change

    0—10

    10—28

    28—190

    46—

    —10—

    —18—

    —162—

    —1—
    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

    8

    —

    —

    231.3

    —

    300

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); 90 percent brown (10YR 5/3) interior and 10 percent very dark grayish brown (10YR 3/2) interior silt loam; weak fine granular structure; very friable; 10.0 medium roots throughout and 10.0 fine roots throughout and 3.0 coarse roots throughout; 10.0 fine moderate-continuity interstitial pores; 40 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU006326; observed in pit, small
    Bw—10 to 28 centimeters (3.9 to 11.0 inches); yellowish brown (10YR 5/4) interior silt loam; weak fine subangular blocky structure; friable; 10.0 medium roots throughout and 10.0 fine roots throughout and 10.0 coarse roots throughout; 10.0 fine moderate-continuity vesicular pores; 5 percent by volume nonflat subangular weakly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006327; observed in pit, small
    Bt1—28 to 46 centimeters (11.0 to 18.1 inches); 50 percent light yellowish brown (10YR 6/4) interior and 50 percent strong brown (7.5YR 5/8) interior silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 10.0 fine moderate-continuity vesicular pores; 35 percent faint strong brown (7.5YR 5/8), moist, clay films on all faces of peds; 5 percent by volume nonflat subangular weakly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006328; observed in pit, small
    2Bt2—46 to 71 centimeters (18.1 to 28.0 inches); 60 percent strong brown (7.5YR 5/6) interior and 40 percent yellowish red (5YR 5/6) interior silty clay; moderate fine subangular blocky structure; firm; 0.5 medium roots throughout and 0.5 fine roots throughout; 10.0 fine moderate-continuity tubular pores; 70 percent faint yellowish red (5YR 4/6), moist, clay films on all faces of peds and 70 percent prominent yellowish brown (10YR 5/4), moist, clay films on all faces of peds and 70 percent prominent pale brown (10YR 6/3), moist, silt coats on all faces of peds; 25 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU006329; observed in pit, small
    2Bt3—71 to 114 centimeters (28.0 to 44.9 inches); 40 percent yellowish red (5YR 4/6) interior and 40 percent strong brown (7.5YR 5/8) interior and 20 percent dark yellowish brown (10YR 4/6) interior clay; moderate fine subangular blocky structure; very firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 fine moderate-continuity tubular pores; 35 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular weakly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; gradual wavy boundary. Lab sample # MU006330; observed in pit, small
    2Bt4—114 to 142 centimeters (44.9 to 55.9 inches); 60 percent strong brown (7.5YR 5/8) interior and 35 percent yellowish red (5YR 4/6) interior and 5 percent dark yellowish brown (10YR 4/6) interior clay; strong coarse subangular blocky structure; very firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 very fine moderate-continuity tubular pores; 35 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 5 percent by volume nonflat subangular weakly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments; clear wavy boundary. Lab sample # MU006331; observed in pit, small
    2Bt5—142 to 190 centimeters (55.9 to 74.8 inches); 80 percent red (10R 4/6) interior and 10 percent strong brown (7.5YR 5/8) interior and 10 percent yellowish red (5YR 4/6) interior clay; moderate medium subangular blocky structure; very firm; 3.0 fine moderate-continuity vesicular pores; 35 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 5 percent by volume nonflat subangular weakly coherent cemented 75-?-250 millimeter sandstone, unspecified fragments and 10 percent by volume nonflat subangular strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU006332; observed in pit, small