IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1996MO067086M
  • User Pedon ID: 1996MO067086
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9606716
  • 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: 36.9082833
  • Std. Longitude: -92.7823389
  • Datum: WGS84
  • Location Description: Gary's place
  • Map Unit: 73236—Scholten-Poynor complex, 3 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 - 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 - 7/11/1996
  • 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: nose slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/11/1996 (actual site observation date)
  • Air Photo ID: 2256-144
  • 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

    0—30

    30—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

    7

    —

    —

    363

    —

    290

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2), light brownish gray (10YR 6/2), dry; very gravelly silt loam; moderate fine granular structure; friable; 6.0 fine and medium roots throughout; 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # MU020314
    E—10 to 30 centimeters (3.9 to 11.8 inches); light yellowish brown (10YR 6/4), very pale brown (10YR 7/3), dry; very gravelly silt loam; weak fine granular structure; friable; 6.0 very fine and fine roots throughout; 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU020315
    Bt1—30 to 56 centimeters (11.8 to 22.0 inches); yellowish brown (10YR 5/6) extremely gravelly silt loam; weak fine subangular blocky structure; firm; 3.0 very fine and fine roots throughout; 35 percent distinct brown (7.5YR 5/4) clay films on rock fragments and 40 percent distinct light yellowish brown (10YR 6/4) silt coats on rock fragments; 70 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU020316. discontinuous - phpvsfiid 128155; discontinuous - phpvsfiid 128156; discontinuous - phpvsfiid 128155; discontinuous - phpvsfiid 128156
    Bt2—56 to 99 centimeters (22.0 to 39.0 inches); 85 percent yellowish brown (10YR 5/6) and 10 percent strong brown (7.5YR 5/6) extremely cobbly clay loam; moderate fine subangular blocky structure; firm; 2.0 very fine and fine roots around fragments; 30 percent prominent pale brown (10YR 6/3) silt coats on rock fragments and 60 percent distinct strong brown (7.5YR 4/6) clay films on rock fragments; 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments and 25 percent by volume angular 250-425-600 millimeter limestone, cherty fragments and 40 percent by volume angular 75-162-250 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt smooth boundary. Lab sample # MU020317. discontinuous - phpvsfiid 128157; discontinuous - phpvsfiid 128158; discontinuous - phpvsfiid 128157; discontinuous - phpvsfiid 128158
    2Bt3—99 to 122 centimeters (39.0 to 48.0 inches); 55 percent dark red (2.5YR 3/6) and 30 percent strong brown (7.5YR 5/6) and 10 percent pale brown (10YR 6/3) clay; moderate very fine and fine angular blocky structure; firm; 0.5 fine roots between peds; 55 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU020318. discontinuous - phpvsfiid 128159; discontinuous - phpvsfiid 128159
    2Bt4—122 to 140 centimeters (48.0 to 55.1 inches); 60 percent dark red (2.5YR 3/6) and 25 percent reddish yellow (7.5YR 6/8) and 10 percent light gray (10YR 7/2) clay; moderate very fine and fine angular blocky structure; firm; 0.5 fine roots between peds; 20 percent prominent light brownish gray (10YR 6/2) clay films on faces of peds and 45 percent distinct dark red (2.5YR 3/6) clay films on faces of peds; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU020319. discontinuous - phpvsfiid 128160; discontinuous - phpvsfiid 128161; discontinuous - phpvsfiid 128160; discontinuous - phpvsfiid 128161
    2Bt5—140 to 173 centimeters (55.1 to 68.1 inches); 40 percent dark red (2.5YR 3/6) and 35 percent white (10YR 8/1) and 20 percent reddish yellow (7.5YR 6/8) clay; moderate very fine and fine angular blocky structure; firm; 0.5 fine roots between peds; 15 percent distinct dark red (2.5YR 3/6) clay films on faces of peds and 30 percent prominent light brownish gray (10YR 6/2) clay films on faces of peds; 5 percent by volume subrounded 2-76-150 millimeter sandstone, unspecified fragments and 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU020320. discontinuous - phpvsfiid 128162; discontinuous - phpvsfiid 128163; discontinuous - phpvsfiid 128162; discontinuous - phpvsfiid 128163
    2Bt6—173 to 203 centimeters (68.1 to 79.9 inches); 35 percent red (2.5YR 4/8) and 30 percent strong brown (7.5YR 5/6) and 30 percent light gray (10YR 7/2) clay; moderate very fine and fine angular blocky structure; firm; 0.5 fine roots throughout; 5 percent prominent grayish brown (10YR 5/2) clay films in root channels and/or pores and 15 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog. Lab sample # MU020321. discontinuous - phpvsfiid 128164; discontinuous - phpvsfiid 128165; discontinuous - phpvsfiid 128164; discontinuous - phpvsfiid 128165