IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1997MO153215M
  • User Pedon ID: 1997MO153215
  • User Site Association ID: 7726
  • Transect:
  • User Transect ID - 105
  • Transect Stop Number - 5
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9815302
  • 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: 36.0000000
  • Std. Longitude: -92.0000000
  • Datum: WGS84
  • Township: T24N
  • Range: R16W
  • Section: 9
  • PLSS Details: 225 feet E and 300 feet S of the NW corner
  • Location Description: 225 feet east and 300 feet south of the NW corner of sec. 9, T. 24, R. 16 W
  • Map Unit: 73237—Clarksville very gravelly silt loam, 3 to 15 percent slopes
  • State: Missouri
  • County: MO153—Ozark
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO153—Ozark County, Missouri

    • PEDON

  • Describers Name: BF, GC, KS
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/16/1997
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landform: ridge
  • Hill Slope Profile: summit
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/16/1997 (actual site observation date)
  • Air Photo ID: 2-1
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    —

    64 -

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

    ochric epipedon

    argillic horizon

    abrupt textural change

    0—25

    25—157

    64—

    —-

    —-

    —-
    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

    9

    —

    —

    430

    —

    346

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) extremely gravelly silt loam; moderate fine granular structure; friable; 7.0 fine to coarse roots; 7.0 fine and medium interstitial pores; 70 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # MU020692. Roots form mat
    E—10 to 25 centimeters (3.9 to 9.8 inches); pale brown (10YR 6/3) extremely gravelly silt loam; weak fine subangular blocky structure; friable; 7.0 fine to coarse roots; 7.0 fine and medium interstitial pores; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU020693
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); strong brown (7.5YR 5/6) very gravelly silt loam; moderate fine subangular blocky structure; friable; 7.0 fine to coarse roots; 7.0 fine and medium interstitial pores; 20 percent distinct clay films on faces of peds and 25 percent prominent pale brown (10YR 6/3) silt coats on faces of peds; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU020694
    Bt2—43 to 64 centimeters (16.9 to 25.2 inches); 80 percent strong brown (7.5YR 5/6) and 20 percent yellowish red (5YR 4/6) very gravelly silty clay loam; moderate fine and medium subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 very fine and fine interstitial pores; 30 percent distinct clay films on faces of peds; 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU020695
    2Bt3—64 to 99 centimeters (25.2 to 39.0 inches); 70 percent red (2.5YR 4/6) and 30 percent yellowish brown (10YR 5/6) gravelly clay; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots; 0.5 very fine and fine discontinuous tubular pores; 30 percent distinct clay films on faces of peds; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU020696
    2Bt4—99 to 127 centimeters (39.0 to 50.0 inches); 60 percent red (2.5YR 4/6) and 35 percent yellowish brown (10YR 5/6) and 5 percent gray (10YR 6/1) gravelly clay; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots; 0.5 very fine and fine discontinuous tubular pores; 30 percent distinct clay films on faces of peds; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU020697
    2Bt5—127 to 157 centimeters (50.0 to 61.8 inches); 50 percent dark red (2.5YR 3/6) and 30 percent strong brown (7.5YR 5/6) and 20 percent gray (10YR 6/1) very gravelly clay; strong fine and medium subangular blocky structure; firm; 0.5 fine roots; 0.5 very fine and fine discontinuous tubular pores; 50 percent prominent clay films on faces of peds; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog. Lab sample # MU020698