IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1997MO067124M
  • User Pedon ID: 1997MO067124
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9706732
  • Print Date: 5/20/2024

    • 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: 36.9479089
  • Std. Longitude: -92.2739006
  • Datum: WGS84
  • Township: T26N
  • Range: R12W
  • Section: 8
  • PLSS Details: 600 feet W and 2150 feet N of the SE corner
  • Location Description: 600 ft. west and 2150 ft. north of the SE corner of section 8, T26N, R12W. Off Highway W south east of Vanzant.
  • Map Unit: 73300—Macedonia gravelly silt loam, 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: GS,WS,KB,KR
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 20 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - series
  • PSC - 20 to 100 cm.
  • Classificaton Date - 6/12/1997
  • 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: convex
  • 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: 6/12/1997 (actual site observation date)
  • Air Photo ID: 2252-97
  • 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—20

    20—188

    —-

    —-
    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

    6

    —

    —

    366

    —

    40

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    A—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2), light gray (10YR 7/1), dry; very gravelly silt loam; moderate very fine and fine granular structure; friable; 7.0 very fine to medium roots and 0.5 coarse roots; 55 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU057384
    E—10 to 20 centimeters (3.9 to 7.9 inches); brown (10YR 5/3) and light yellowish brown (10YR 6/4), very pale brown (10YR 7/3), dry; very gravelly silt loam; moderate fine subangular blocky parts to moderate fine granular structure; friable; 7.0 very fine to coarse roots; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU057385
    Bt1—20 to 33 centimeters (7.9 to 13.0 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate very fine and fine subangular blocky structure; friable; 3.0 very fine and fine roots; 30 percent distinct pale brown (10YR 6/3), moist, skeletans on faces of peds and 40 percent faint clay films on faces of peds; 50 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU057386. discontinuous - phpvsfiid 131131; discontinuous - phpvsfiid 131132; discontinuous - phpvsfiid 131131; discontinuous - phpvsfiid 131132
    2Bt2—33 to 53 centimeters (13.0 to 20.9 inches); strong brown (7.5YR 5/8) gravelly silty clay loam; moderate very fine and fine subangular blocky structure; firm; 3.0 very fine and fine roots and 0.5 medium and coarse roots; 60 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds; 25 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU057387. discontinuous - phpvsfiid 131133; discontinuous - phpvsfiid 131133
    2Bt3—53 to 76 centimeters (20.9 to 29.9 inches); 80 percent strong brown (7.5YR 5/6) and 20 percent red (2.5YR 4/8) clay; moderate very fine subangular blocky structure; firm; 0.5 very fine to medium roots; 75 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU057388. continuous - phpvsfiid 131134; continuous - phpvsfiid 131134
    2Bt4—76 to 104 centimeters (29.9 to 40.9 inches); 50 percent red (2.5YR 4/6) and 50 percent strong brown (7.5YR 5/6) clay; weak medium prismatic parts to moderate very fine subangular blocky structure; firm; 0.5 very fine to medium roots; 75 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU057389. continuous - phpvsfiid 131135; continuous - phpvsfiid 131135
    2Bt5—104 to 135 centimeters (40.9 to 53.1 inches); 75 percent strong brown (7.5YR 5/8) and 15 percent dark red (2.5YR 3/6) and 10 percent brownish yellow (10YR 6/6) clay; weak medium prismatic parts to moderate very fine subangular blocky structure; firm; 0.5 very fine to medium roots; 60 percent prominent dark red (2.5YR 3/6), moist, clay films on faces of peds; 2 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU057390. discontinuous - phpvsfiid 131136; discontinuous - phpvsfiid 131136
    2Bt6—135 to 155 centimeters (53.1 to 61.0 inches); 70 percent red (2.5YR 4/6) and 25 percent strong brown (7.5YR 5/6) and 5 percent very pale brown (10YR 7/4) very gravelly clay; moderate very fine subangular blocky structure; firm; 0.5 very fine and fine roots; 20 percent prominent red (2.5YR 4/6), moist, clay films on rock fragments and 40 percent prominent reddish brown (5YR 4/4), moist, clay films 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 # MU057391. discontinuous - phpvsfiid 131137; discontinuous - phpvsfiid 131138; discontinuous - phpvsfiid 131137; discontinuous - phpvsfiid 131138
    2Bt7—155 to 188 centimeters (61.0 to 74.0 inches); 85 percent red (2.5YR 4/8) and 15 percent white (7.5YR 8/1) extremely gravelly clay; moderate very fine and fine subangular blocky structure; firm; 0.5 very fine and fine roots; 40 percent prominent red (2.5YR 4/6), moist, clay films on rock fragments; 5 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU057392. discontinuous - phpvsfiid 128344; discontinuous - phpvsfiid 128344