IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO203021M
  • User Pedon ID: 1995MO203021M
  • Vegetation Plot ID: 1995MO203021M
  • User Site Association ID: 8710
  • Transect:
  • User Transect ID - shannon-Hwy19
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561321
  • NCSS Pedon Lab Data NASIS Record ID - 31888
  • Print Date: 11/11/2024

    • 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: 37.0957639
  • Std. Longitude: -91.3675111
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-A3—Winona, Missouri

    • PEDON

  • Describers Name: SAV, RLT, JW
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, subactive, mesic Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 36 to 100 cm.
  • Classificaton Date - 3/28/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • PSC - 36 to 100 cm.
  • Classificaton Date - 5/30/1995
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 40 Strongly contrasting textural stratification (depth in inches) and 26 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/30/1995 (actual site observation date)
  • Air Photo ID: 20
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CARYA

    QUCO2

    QUST

    QUVE

    Carya

    Quercus coccinea

    Quercus stellata

    Quercus velutina

    hybrid hickory

    scarlet oak

    post oak

    black oak

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

    ochric epipedon

    argillic horizon

    strongly contrasting particle size class

    3—36

    36—181

    81—

    —-

    —-

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    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

    14

    —

    —

    323

    —

    320

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 13 centimeters (1.2 to 5.1 inches); dark grayish brown (10YR 4/2) extremely gravelly silt loam; weak fine granular structure; friable; 0.9 medium roots and 2.0 fine roots and 0.9 coarse roots; 7.0 fine interstitial and tubular pores; 60 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU054376
    E1—13 to 26 centimeters (5.1 to 10.2 inches); brown (10YR 5/3) very gravelly silt loam; weak fine subangular blocky structure; friable; 2.0 medium roots and 0.9 fine roots and 0.9 coarse roots; 2.0 fine vesicular and 2.0 fine tubular pores; 10 percent faint grayish brown (10YR 5/2), moist, organic stains on faces of peds and in pores; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU054377
    E2—26 to 36 centimeters (10.2 to 14.2 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 2.0 fine vesicular and 2.0 fine tubular pores; 10 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds and 10 percent distinct brown (10YR 4/3), moist, organic stains in root channels and/or pores; 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU054378
    Bt1—36 to 51 centimeters (14.2 to 20.1 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 0.9 fine vesicular and 2.0 fine tubular pores; 34 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU054379
    Bt2—51 to 69 centimeters (20.1 to 27.2 inches); light yellowish brown (10YR 6/4) very gravelly silt loam; weak fine subangular blocky structure; firm; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 0.9 fine vesicular and 7.0 fine tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on rock fragments; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU054380
    Bt3—69 to 84 centimeters (27.2 to 33.1 inches); 60 percent strong brown (7.5YR 5/6) and 40 percent yellowish red (5YR 5/6) very gravelly silt loam; weak fine subangular blocky structure; firm; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 0.9 fine vesicular and 3.0 fine tubular pores; 33 percent distinct yellowish red (5YR 5/6), moist, clay films on faces of peds; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU054381
    2Bt4—84 to 105 centimeters (33.1 to 41.3 inches); 90 percent strong brown (7.5YR 5/6) and 10 percent red (2.5YR 4/6) silty clay; moderate fine subangular blocky, and angular blocky structure; firm; 0.9 medium roots and 0.9 fine roots; 0.9 medium vesicular and 2.0 fine tubular pores; 10 percent distinct light brown (7.5YR 6/4), moist, silt coats on faces of peds and in pores and 33 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 33 percent distinct reddish yellow (7.5YR 6/6), moist, clay films on faces of peds and 33 percent distinct red (10R 4/6), moist, clay films on faces of peds; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU054382
    2Bt5—105 to 130 centimeters (41.3 to 51.2 inches); 70 percent strong brown (7.5YR 5/6) and 30 percent red (2.5YR 4/6) clay; moderate fine subangular blocky, and angular blocky structure; very firm; 0.1 fine roots; 2.0 fine tubular pores; 33 percent distinct reddish yellow (7.5YR 6/6), moist, clay films on faces of peds and in pores and 34 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and in pores and 35 percent distinct light brown (7.5YR 6/4), moist, silt coats on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU054383
    2Bt61—130 to 150 centimeters (51.2 to 59.1 inches); red (2.5YR 4/8) clay; strong fine angular blocky structure; very firm; 0.1 fine roots and 0.1 coarse roots; 2.0 fine tubular pores; 10 percent distinct brown (10YR 4/3), moist, clay films on faces of peds and in pores and 10 percent distinct yellow (10YR 7/6), moist, silt coats on faces of peds and 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and in pores; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU054384
    2Bt62—150 to 181 centimeters (59.1 to 71.3 inches); clay; fragments. Lab sample # MU054385