IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1997MO153231M
  • User Pedon ID: 1997MO153231
  • User Site Association ID: 7729
  • Transect:
  • User Transect ID - 108
  • Transect Stop Number - 3
  • Transect Interval - 50.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9815313
  • 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: 36.7871667
  • Std. Longitude: -92.1749444
  • Datum: WGS84
  • Township: T24N
  • Range: R11W
  • Section: 4
  • PLSS Details: 1850 feet W and 2550 feet N of the SE corner
  • Location Description: 1850 feet west and 2550 feet north of the SE corner of Sec. 4, T. 24 N., R. 11 W
  • Map Unit: 73220—Poynor extremely gravelly silt loam, 8 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
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous, mesic Typic Paleudults
  • Current Taxon Kind: variant
  • 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 - 58 to 108 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - variant
  • PSC - 58 to 108 cm.
  • Classificaton Date - 11/20/1997
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/20/1997 (actual site observation date)
  • Air Photo ID: 10-1
  • 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

    —

    79 -

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

    ochric epipedon

    cambic horizon

    argillic horizon

    abrupt textural change

    0—8

    8—58

    58—165

    79—

    —-

    —-

    —-

    —-
    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

    14

    —

    —

    299

    —

    354

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); very dark gray (10YR 3/1) gravelly silt loam; weak fine granular structure; friable; 8.0 fine to coarse roots; 8.0 fine and medium interstitial and tubular pores; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.1, hellige-truog; clear smooth boundary. Lab sample # MU060876
    E1—8 to 18 centimeters (3.1 to 7.1 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky structure; friable; 8.0 fine to coarse roots; 8.0 fine and medium interstitial and tubular pores; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; gradual smooth boundary. Lab sample # MU060877
    E2—18 to 30 centimeters (7.1 to 11.8 inches); yellowish brown (10YR 5/4) very gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 6.0 fine and medium interstitial and tubular pores; 20 percent faint clay films on faces of peds and in pores; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU060878
    EB—30 to 58 centimeters (11.8 to 22.8 inches); 80 percent yellowish brown (10YR 5/4) and 20 percent yellowish brown (10YR 5/6) extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 6.0 fine and medium interstitial and tubular pores; 20 percent distinct clay films on faces of peds and in pores; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU060879
    Bt1—58 to 79 centimeters (22.8 to 31.1 inches); 60 percent red (2.5YR 4/6) and 40 percent yellowish brown (10YR 5/6) very gravelly silt loam; moderate fine and medium subangular blocky structure; firm; 3.0 fine roots; 4.0 fine and medium discontinuous tubular pores; 40 percent distinct clay films on faces of peds and in pores; 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU060880
    2Bt2—79 to 107 centimeters (31.1 to 42.1 inches); 70 percent red (2.5YR 4/6) and 30 percent strong brown (7.5YR 5/6) gravelly clay; strong fine and medium subangular blocky structure; firm; 3.0 fine and medium roots; 4.0 fine and medium discontinuous tubular pores; 15 percent prominent pale brown (10YR 6/3) silt coats and 50 percent distinct clay films on faces of peds and in pores; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU060881
    2Bt3—107 to 124 centimeters (42.1 to 48.8 inches); 80 percent red (2.5YR 4/6) and 20 percent strong brown (7.5YR 5/6) sandy clay loam; moderate medium subangular blocky structure; firm; 0.5 fine roots; 4.0 very fine and fine discontinuous tubular pores; 60 percent prominent clay films on faces of peds and in pores; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU060882
    2Bt4—124 to 165 centimeters (48.8 to 65.0 inches); 60 percent red (2.5YR 4/6) and 20 percent yellowish brown (10YR 5/6) and 20 percent brownish yellow (10YR 6/8) clay; moderate medium subangular blocky structure; firm; 0.5 fine roots; 2.0 very fine and fine discontinuous tubular pores; 60 percent distinct clay films on faces of peds and in pores; fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU060883