IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO223010M
  • User Pedon ID: 1995MO223010
  • User Site Association ID: 7882
  • Transect:
  • User Transect ID - wayne-16
  • Transect Stop Number - 3
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9522310
  • 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: 37.0524979
  • Std. Longitude: -90.4104156
  • 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: KG and RT
  • 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 - 23 to 100 cm.
  • Classificaton Date - 3/7/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - series
  • PSC - 23 to 100 cm.
  • Classificaton Date - 8/7/1995
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 21 Cation Exc. to Clay x100


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: plateau
  • Landform: valley side
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/7/1995 (actual site observation date)
  • 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

    66 -

    —
    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—23

    23—196

    66—

    —-

    —-

    —-
    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

    10

    —

    —

    152

    —

    220

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3), light gray (10YR 7/2), dry; very gravelly silt loam; moderate very fine and fine granular structure; friable; 10.0 very fine and fine roots; 8.0 very fine and fine vesicular pores; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 30 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU054074
    E—8 to 23 centimeters (3.1 to 9.1 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; gravelly silt loam; moderate very fine and fine subangular blocky structure; friable; 10.0 very fine and fine roots and 2.0 medium roots; 8.0 very fine and fine vesicular pores; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU054075
    Bt1—23 to 33 centimeters (9.1 to 13.0 inches); yellowish brown (10YR 5/6) extremely gravelly silt loam; moderate very fine subangular blocky structure; friable; moderate permeability; 5.0 very fine and fine roots and 0.5 medium roots; 4.0 very fine and fine vesicular pores; 5 percent faint clay films on faces of peds and 25 percent yellowish brown (10YR 5/4) silt coats; 2 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 60 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU054076. patchy - phpvsfiid 137429; patchy - phpvsfiid 137429
    Bt2—33 to 48 centimeters (13.0 to 18.9 inches); strong brown (7.5YR 4/6) extremely gravelly clay loam; moderate very fine angular blocky structure; firm; 0.5 very fine and fine roots; 4.0 very fine and fine vesicular pores; 5 percent faint clay films on faces of peds; 2 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 60 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU054077. patchy - phpvsfiid 137430; patchy - phpvsfiid 137430
    2Bt3—48 to 66 centimeters (18.9 to 26.0 inches); 60 percent strong brown (7.5YR 5/6) and 40 percent red (2.5YR 4/8) silty clay loam; moderate very fine and fine angular blocky structure; firm; 0.5 very fine and fine roots; 2.0 very fine vesicular pores; light yellowish brown (10YR 6/4) silt coats and 5 percent faint clay films on faces of peds; 20 percent fine black (10YR 2/1) iron-manganese masses at top of horizon; 10 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 # MU054078. patchy - phpvsfiid 141114; patchy - phpvsfiid 141114
    2Bt4—66 to 117 centimeters (26.0 to 46.1 inches); 60 percent red (2.5YR 4/6) and 40 percent yellowish brown (10YR 5/6) clay; strong very fine and fine angular blocky structure; very firm; slow permeability; 0.5 very fine and fine roots; 1.0 very fine vesicular pores; 5 percent faint clay films on faces of peds; 10 percent fine red (2.5YR 5/8) masses of oxidized iron; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU054079. patchy - phpvsfiid 141115; patchy - phpvsfiid 141115
    2Bt5—117 to 196 centimeters (46.1 to 77.2 inches); 70 percent red (2.5YR 4/6) and 30 percent yellowish brown (10YR 5/6) clay; 5 percent faint clay films on faces of peds and 15 percent distinct light brownish gray (10YR 6/2) silt coats in root channels and/or pores; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU054080. Pinicle of dolomite bedrock at 60 inches.; patchy - phpvsfiid 133377; patchy - phpvsfiid 133377