IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1997MO067136M
  • User Pedon ID: 1997MO067136
  • Vegetation Plot ID: 1997MO067136
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9706744
  • Print Date: 11/23/2024

    • 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: 37.0040417
  • Std. Longitude: -92.1606361
  • Datum: WGS84
  • Township: T27N
  • Range: R11W
  • Section: 21
  • PLSS Details: 50 feet N and 650 feet E of the SW corner of SW 1/4 of the W 1/4
  • Location Description: 50 ft north and 650 ft east of the SW corner of SW1/4, NW1/4 of Section 21, T27N, R11W.
  • Map Unit: 73019—Poynor very gravelly silt loam, 1 to 8 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: KEB, WLS and GWS.
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 15 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - variant
  • PSC - 15 to 100 cm.
  • Classificaton Date - 9/4/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/4/1997 (actual site observation date)
  • Air Photo ID: 2251-141
  • 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

    CORNU

    Cornus

    dogwood

    —

    —

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

    ochric epipedon

    argillic horizon

    3—33

    33—163

    —-

    —-
    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

    4

    —

    —

    349

    —

    200

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.
    A—3 to 15 centimeters (1.2 to 5.9 inches); brown (10YR 5/3), light gray (10YR 7/2), dry; gravelly silt loam; moderate fine granular structure; friable; 7.0 very fine to coarse roots; 25 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU020452
    BE—15 to 33 centimeters (5.9 to 13.0 inches); yellowish brown (10YR 5/6), very pale brown (10YR 7/4), dry; very gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 7.0 very fine to coarse roots; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU020453
    Bt1—33 to 53 centimeters (13.0 to 20.9 inches); yellowish brown (10YR 5/6) very gravelly silt loam; weak very fine and fine subangular blocky structure; firm; 3.0 very fine roots and 0.5 fine and medium roots; 25 percent faint clay films on faces of peds and 40 percent distinct skeletans on rock fragments; 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU020454. discontinuous - phpvsfiid 131187; discontinuous - phpvsfiid 131188; discontinuous - phpvsfiid 131187; discontinuous - phpvsfiid 131188
    2Bt2—53 to 79 centimeters (20.9 to 31.1 inches); 60 percent reddish yellow (7.5YR 6/6) and 20 percent light brownish gray (10YR 6/2) and 15 percent reddish yellow (7.5YR 6/8) and 5 percent yellowish red (5YR 4/6) gravelly silty clay; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine to medium roots; 30 percent distinct skeletans on faces of peds and 50 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds; 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU020455. discontinuous - phpvsfiid 128484; discontinuous - phpvsfiid 131189; discontinuous - phpvsfiid 128484; discontinuous - phpvsfiid 131189
    2Bt3—79 to 102 centimeters (31.1 to 40.2 inches); 55 percent strong brown (7.5YR 5/6) and 40 percent light brownish gray (10YR 6/2) and 5 percent red (2.5YR 4/6) gravelly clay; moderate coarse prismatic parts to moderate very fine and fine subangular blocky structure; very firm; 0.5 very fine to medium roots; 50 percent prominent yellowish red (5YR 4/6) clay films on faces of peds; 35 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU020456. discontinuous - phpvsfiid 128485; discontinuous - phpvsfiid 128485
    2Bt4—102 to 137 centimeters (40.2 to 53.9 inches); 55 percent gray (10YR 6/1) and 20 percent strong brown (7.5YR 5/6) and 25 percent dark red (2.5YR 3/6) extremely cobbly clay; moderate very fine and fine angular blocky structure; very firm; 0.5 very fine to medium roots; 20 percent prominent brown (7.5YR 4/4) clay films on faces of peds and 35 percent prominent gray (10YR 5/1) clay films on rock fragments; 20 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU020457. discontinuous - phpvsfiid 128486; discontinuous - phpvsfiid 128487; discontinuous - phpvsfiid 128486; discontinuous - phpvsfiid 128487
    2Bt5—137 to 163 centimeters (53.9 to 64.2 inches); 60 percent gray (10YR 6/1) and 25 percent dark red (2.5YR 3/6) and 15 percent strong brown (7.5YR 4/6) extremely gravelly clay; moderate very fine and fine angular blocky structure; very firm; 15 percent prominent dark yellowish brown (10YR 3/6) clay films on rock fragments and 60 percent prominent dark gray (10YR 4/1) clay films on rock fragments; 80 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # MU020458. discontinuous - phpvsfiid 128488; discontinuous - phpvsfiid 128489; discontinuous - phpvsfiid 128488; discontinuous - phpvsfiid 128489