IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO223011M
  • User Pedon ID: 1995MO223011
  • User Site Association ID: 7882
  • Transect:
  • User Transect ID - wayne-16
  • Transect Stop Number - 4
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9522311
  • Print Date: 2/17/2025

    • 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: 37.0532990
  • Std. Longitude: -90.4099426
  • Datum: WGS84
  • Map Unit: 11D—Alred-Gepp complex, 8 to 15 percent slopes, stony73156—Alred-Gepp complex, 8 to 15 percent slopes, stony
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 37090-A4—Greenville SW, Missouri

    • PEDON

  • Describers Name: RT and KG
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 25 to 100 cm.
  • Classificaton Date - 12/10/2010
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/7/1995
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 26 Cation Exc. to Clay x100


    • SITE

  • Parent Material: slope alluvium derived from mixed over residuum weathered from cherty limestone
  • Landscape: plateau
  • Landform: ridge
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/7/1995 (actual site observation date)
  • Air Photo ID: G5
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    strongly contrasting textural stratification

    noncoherent

    43 -

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

    ochric epipedon

    argillic horizon

    strongly contrasting particle size class

    0—25

    25—191

    43—

    —-

    —-

    —-
    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

    —

    —

    165

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3), brown (10YR 5/3), dry; gravelly silt loam; moderate fine granular structure; friable; 10.0 very fine to medium roots; 8.0 very fine and fine vesicular pores; 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU020240
    E—8 to 25 centimeters (3.1 to 9.8 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; gravelly silt loam; moderate fine subangular blocky structure; friable; 10.0 very fine to medium roots; 10.0 very fine vesicular pores; 25 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU020241
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); yellowish red (5YR 5/8) very gravelly silty clay loam; strong very fine and fine angular blocky structure; firm; moderate permeability; 5.0 very fine and fine roots and 0.5 medium and coarse roots; 10.0 very fine vesicular pores; 40 percent faint clay films on faces of peds; 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU020242. discontinuous - phpvsfiid 133378; discontinuous - phpvsfiid 133378
    2Bt2—43 to 76 centimeters (16.9 to 29.9 inches); 90 percent red (2.5YR 4/6) and 10 percent strong brown (7.5YR 4/6) clay; strong very fine and fine angular blocky structure; very firm; moderately slow permeability; 5.0 very fine to medium roots and 0.5 coarse roots; 4.0 very fine vesicular pores; 20 percent distinct clay films on faces of peds; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; gradual wavy boundary. Lab sample # MU020243. discontinuous - phpvsfiid 133379; discontinuous - phpvsfiid 133379
    2Bt3—76 to 142 centimeters (29.9 to 55.9 inches); 50 percent yellowish brown (10YR 5/6) and 10 percent light yellowish brown (10YR 6/4) and 40 percent red (2.5YR 4/6) gravelly clay; strong very fine and fine angular blocky structure; very firm; 0.5 very fine roots; 0.5 very fine vesicular pores; 20 percent distinct clay films on faces of peds; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU020244. 70 percent of gravel is concentrated at the bottom of the horizon.; discontinuous - phpvsfiid 133380; discontinuous - phpvsfiid 133380
    2Bt4—142 to 191 centimeters (55.9 to 75.2 inches); 90 percent red (2.5YR 4/6) and 10 percent brownish yellow (10YR 6/8) gravelly clay; 10 percent gray (10YR 6/1) coarse prominent and 40 percent light gray (10YR 7/1) coarse prominent mottles; strong very fine and fine angular blocky structure; very firm; 20 percent distinct clay films on faces of peds; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU020245. discontinuous - phpvsfiid 133381; discontinuous - phpvsfiid 133381