IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1997MO091121M
  • User Pedon ID: 1997MO091121
  • User Site Association ID: 7997
  • Transect:
  • User Transect ID - 46D-4
  • Transect Stop Number - 7
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9709126
  • 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: 36.8629333
  • Std. Longitude: -92.0011194
  • Datum: WGS84
  • Map Unit: 73073—Scholten-Poynor complex, 8 to 15 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: SVV,JDP, MJM, SFP
  • Current Taxonomic Class: Loamy-skeletal over clayey, mixed Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 30 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - series
  • PSC - 30 to 100 cm.
  • Classificaton Date - 3/18/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/18/1997 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    3—8

    8—203

    —-

    —-
    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

    11

    —

    —

    360

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 8 centimeters (1.2 to 3.1 inches); yellowish brown (10YR 5/4) rubbed silt loam; weak fine granular structure; very friable; 7.0 very fine and fine roots; 7.0 very fine to medium interstitial pores; 75 percent prominent very dark gray (10YR 3/1), moist, organic stains throughout; 75 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; abrupt wavy boundary. Lab sample # MU020466. discontinuous - phpvsfiid 142027; discontinuous - phpvsfiid 142027
    E—8 to 20 centimeters (3.1 to 7.9 inches); yellowish brown (10YR 5/6) exterior extremely gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 7.0 very fine and fine interstitial and tubular pores; 5 percent distinct dark gray (10YR 4/1), moist, organic stains throughout and 15 percent faint dark yellowish brown (10YR 4/6), moist, clay films on faces of peds; 1 percent fine irregular noncoherent cemented black (N 2/0) iron-manganese concretions throughout; 65 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # MU020467. discontinuous - phpvsfiid 142028; discontinuous - phpvsfiid 142029; discontinuous - phpvsfiid 142028; discontinuous - phpvsfiid 142029
    Bt1—20 to 30 centimeters (7.9 to 11.8 inches); light yellowish brown (10YR 6/4) exterior very gravelly silt loam; weak fine subangular blocky structure; friable; 3.0 fine to coarse roots; 7.0 very fine interstitial and tubular pores; 35 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds; 1 percent fine irregular noncoherent cemented black (N 2/0) iron-manganese concretions throughout; 45 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU020468. discontinuous - phpvsfiid 142030; discontinuous - phpvsfiid 142030
    Bt2—30 to 51 centimeters (11.8 to 20.1 inches); 50 percent strong brown (7.5YR 5/6) exterior and 50 percent light yellowish brown (10YR 6/4) exterior very gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine roots; 3.0 very fine and fine tubular pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct light gray (10YR 7/2), moist, silt coats throughout; 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; abrupt smooth boundary. Lab sample # MU020469. continuous - phpvsfiid 142031; discontinuous - phpvsfiid 142032; continuous - phpvsfiid 142031; discontinuous - phpvsfiid 142032
    2Bt3—51 to 89 centimeters (20.1 to 35.0 inches); strong brown (7.5YR 5/6) exterior silty clay; moderate fine subangular blocky structure; very firm; 0.9 fine roots; 3.0 very fine tubular pores; 15 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds and 75 percent prominent yellowish red (5YR 4/6), moist, clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU020470. continuous - phpvsfiid 142033; continuous - phpvsfiid 142034; continuous - phpvsfiid 142033; continuous - phpvsfiid 142034
    2Bt4—89 to 140 centimeters (35.0 to 55.1 inches); 50 percent strong brown (7.5YR 4/6) exterior and 50 percent yellowish red (5YR 4/6) exterior gravelly silty clay; moderate fine and medium angular blocky structure; very firm; 0.9 fine roots; 3.0 very fine tubular pores; 3 percent prominent light gray (10YR 7/1), moist, clay films on faces of peds and 15 percent distinct brown (10YR 5/3), moist, clay films on faces of peds and 75 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 20 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; gradual smooth boundary. Lab sample # MU020471. discontinuous - phpvsfiid 142037; continuous - phpvsfiid 142035; continuous - phpvsfiid 142036; discontinuous - phpvsfiid 142037; continuous - phpvsfiid 142035; continuous - phpvsfiid 142036
    2Bt5—140 to 203 centimeters (55.1 to 79.9 inches); 80 percent yellowish red (5YR 4/6) exterior and 20 percent olive yellow (2.5Y 6/8) exterior gravelly clay; moderate fine and medium angular blocky structure; very firm; 3.0 very fine tubular pores; 15 percent distinct yellowish brown (10YR 5/4), moist, silt coats throughout and 15 percent prominent light gray (10YR 7/2), moist, silt coats throughout; 10 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments and 10 percent by volume subangular 2-39-75 millimeter siltstone, noncalcareous fragments; noneffervescent, by hcl, unspecified. Lab sample # MU020472. discontinuous - phpvsfiid 142038; discontinuous - phpvsfiid 142039; discontinuous - phpvsfiid 142038; discontinuous - phpvsfiid 142039