IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO221006M
  • User Pedon ID: 1995MO221006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9522106
  • 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: 37.9942247
  • Std. Longitude: -91.0537357
  • Datum: WGS84
  • Township: T38N
  • Range: R1W
  • Section: 20
  • PLSS Details: 1400 feet W and 1650 feet N of the SE corner
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: D. Skaer, G. Lindgren
  • Current Taxonomic Class: Loamy-skeletal over clayey, mixed Typic Paleudults
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxonomic Class - Loamy-skeletal over clayey, mixed Typic Paleudults
  • Taxon Kind - series
  • PSC - 26 to 100 cm.
  • Classificaton Date - 12/12/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from cherty limestone
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Surface Fragments: 0.05 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/12/1995 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    11

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    329

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Partially decomposed roots, leaves, and twigs.
    A—3 to 8 centimeters (1.2 to 3.1 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; gravelly silt loam; moderate very fine granular structure; friable; 6.0 very fine and fine roots and 2.0 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.2, hellige-truog; clear smooth boundary. Lab sample # MU054005
    E—8 to 26 centimeters (3.1 to 10.2 inches); light yellowish brown (10YR 6/4) silt loam; moderate fine platy parts to weak very fine subangular blocky structure; friable; 2.0 very fine and fine roots and 0.5 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 30 percent prominent skeletans on faces of peds; 3 percent by volume 2-39-75 millimeter limestone, cherty fragments and 10 percent by volume 75-162-250 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU054006
    Bt1—26 to 41 centimeters (10.2 to 16.1 inches); reddish yellow (7.5YR 6/8) and very pale brown (10YR 7/4) very gravelly loam; weak fine subangular blocky, and moderate very fine subangular blocky structure; friable; 2.0 very fine and fine roots and 0.5 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 10 percent distinct clay films on faces of peds and 30 percent distinct skeletans on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # MU054007
    2Bt2—41 to 54 centimeters (16.1 to 21.3 inches); strong brown (7.5YR 5/8) and yellowish red (5YR 5/6) gravelly clay; moderate fine subangular blocky structure; firm; 2.0 medium and coarse roots and 0.5 fine and medium roots; 2.0 very fine and fine interstitial and tubular pores; 10 percent distinct clay films on faces of peds and 10 percent prominent skeletans on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; gradual wavy boundary. Lab sample # MU054008
    2Bt3—54 to 72 centimeters (21.3 to 28.3 inches); yellowish red (5YR 5/8) very gravelly clay; moderate medium subangular blocky parts to strong very fine subangular blocky structure; very firm; 0.5 very fine and fine roots; 30 percent distinct clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume 250-425-600 millimeter limestone, cherty fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU054009
    2Bt4—72 to 115 centimeters (28.3 to 45.3 inches); strong brown (7.5YR 4/6) very gravelly clay; moderate medium subangular blocky parts to moderate very fine angular blocky structure; very firm; 0.5 very fine and fine roots; 30 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 10 percent by volume 250-425-600 millimeter limestone, cherty fragments and 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU054010
    2Bt5—115 to 153 centimeters (45.3 to 60.2 inches); strong brown (7.5YR 5/8) extremely gravelly clay; moderate very fine angular blocky structure; very firm; 0.5 very fine and fine roots; 10 percent distinct clay films on faces of peds and 10 percent prominent skeletans on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; gradual wavy boundary. Lab sample # MU054011
    2Bt6—153 to 206 centimeters (60.2 to 81.1 inches); reddish yellow (7.5YR 6/8) very gravelly clay; moderate very fine angular blocky structure; very firm; 15 percent by volume 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU054012