IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO091022M
  • User Pedon ID: 1995MO091022
  • Vegetation Plot ID: 1995MO091022
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9509112
  • Print Date: 5/19/2024

    • 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: 36.9633611
  • Std. Longitude: -91.6957667
  • Datum: WGS84
  • Map Unit: 73073—Scholten-Poynor complex, 8 to 15 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: SFP, MJM, JDP
  • Current Taxonomic Class: Fine-loamy, siliceous Typic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 38 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - variant
  • PSC - 38 to 100 cm.
  • Classificaton Date - 3/13/1995
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed and/or unconsolidated sediments derived from mixed
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/13/1995 (actual site observation date)
  • Air Photo ID: 2227-212
  • Surface Cover Properties:
  • 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

    CARYA

    QUAL

    QUMA3

    Carya

    Quercus alba

    Quercus marilandica

    hybrid hickory

    white oak

    blackjack oak

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    —

    —

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

    ochric epipedon

    argillic horizon

    0—8

    8—203

    —-

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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

    12

    —

    —

    355

    —

    260

    1067

    —

    —

    13.3

    23.9

    1.7

    —

    —

    —

    —

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    —

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    Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments.
    A—5 to 13 centimeters (2.0 to 5.1 inches); dark brown (10YR 3/3) rubbed, pale brown (10YR 6/3) broken face, dry; very gravelly silt loam; weak fine granular structure; very friable; 8.0 fine and medium roots throughout and 3.0 coarse roots throughout; 10.0 very fine interstitial pores; 10 percent distinct black (10YR 2/1), moist, organic stains on faces of peds; 5 percent by volume subangular 75-162-250 millimeter mixed fragments and 30 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # MU052944. patchy - phpvsfiid 139712; patchy - phpvsfiid 139712
    BE—13 to 25 centimeters (5.1 to 9.8 inches); brown (7.5YR 5/4) broken face gravelly silt loam; moderate fine subangular blocky structure; very friable; 8.0 fine and medium roots throughout and 3.0 coarse roots throughout; 6.0 very fine and fine discontinuous tubular pores; 5 percent prominent black (10YR 2/1), moist, organic stains on faces of peds and in pores and 10 percent distinct reddish yellow (7.5YR 6/6), moist, clay films on faces of peds and in pores; 2 percent fine spherical noncoherent cemented brown (7.5YR 5/4) worm casts throughout; 20 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU052945. patchy - phpvsfiid 139713; patchy - phpvsfiid 139714; patchy - phpvsfiid 139713; patchy - phpvsfiid 139714
    Bt1—25 to 38 centimeters (9.8 to 15.0 inches); strong brown (7.5YR 5/6) broken face very gravelly silt loam; moderate medium subangular blocky structure; friable; 6.0 fine and medium roots throughout and 2.0 coarse roots throughout; 8.0 fine discontinuous tubular pores; 2 percent prominent black (10YR 2/1), moist, organic stains on faces of peds and in pores and 15 percent faint reddish yellow (7.5YR 6/6), moist, clay films on faces of peds and in pores; 40 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU052946. patchy - phpvsfiid 139715; patchy - phpvsfiid 139716; patchy - phpvsfiid 139715; patchy - phpvsfiid 139716
    Bt2—38 to 58 centimeters (15.0 to 22.8 inches); strong brown (7.5YR 5/6) broken face very gravelly silt loam; moderate medium subangular blocky structure; friable; 2.0 fine and medium roots throughout and 1.0 coarse roots throughout; 6.0 fine discontinuous tubular pores; 5 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds and 25 percent prominent yellowish red (5YR 5/8), moist, clay films on faces of peds and in pores; 40 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU052947. discontinuous - phpvsfiid 139717; patchy - phpvsfiid 139718; discontinuous - phpvsfiid 139717; patchy - phpvsfiid 139718
    2Bt3—58 to 109 centimeters (22.8 to 42.9 inches); yellowish red (5YR 5/6) broken face gravelly clay loam; strong coarse subangular blocky parts to moderate fine and medium subangular blocky structure; firm; 1.0 fine roots between peds; 8.0 fine and medium discontinuous tubular pores; 5 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds and 50 percent prominent red (10R 4/8), moist, clay films on faces of peds and in pores; 15 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 5.6, hellige-truog; gradual smooth boundary. Lab sample # MU052948. continuous - phpvsfiid 139719; patchy - phpvsfiid 139720; continuous - phpvsfiid 139719; patchy - phpvsfiid 139720
    2Bt4—109 to 208 centimeters (42.9 to 81.9 inches); 75 percent weak red (10R 4/4) broken face and 25 percent light brownish gray (10YR 6/2) broken face gravelly clay; moderate coarse subangular blocky parts to moderate medium angular blocky structure; firm; 1.0 fine roots between peds; 8.0 fine and medium discontinuous tubular pores; 5 percent prominent pale brown (10YR 6/3), moist, silt coats on faces of peds and 60 percent prominent red (10R 4/8), moist, clay films on faces of peds and in pores; 20 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; strongly acid, pH 5.4, hellige-truog. Lab sample # MU052949. continuous - phpvsfiid 139721; patchy - phpvsfiid 139722; continuous - phpvsfiid 139721; patchy - phpvsfiid 139722