IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1998MO091038M
  • User Pedon ID: 1998MO091038
  • User Site Association ID: 8063
  • Transect:
  • User Transect ID - 77D-2
  • Transect Stop Number - 9
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9809105
  • Print Date: 4/26/2025

    • 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: 36.7354444
  • Std. Longitude: -91.9168611
  • Datum: WGS84
  • Map Unit: 73246—Alred very gravelly silt loam, 8 to 15 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: SVV, JDP, MJM, SFP
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 28 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Alred
  • Taxon Kind - series
  • PSC - 28 to 100 cm.
  • Classificaton Date - 5/4/1998
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/4/1998 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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—28

    28—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

    14

    —

    —

    349

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) rubbed, light brownish gray (10YR 6/2) rubbed, dry; very gravelly loam; weak very fine granular parts to weak very fine subangular blocky structure; friable; 0.9 medium roots and 7.0 fine roots; 7.0 very fine interstitial and tubular pores; 50 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU060107
    BA—15 to 28 centimeters (5.9 to 11.0 inches); 70 percent yellowish brown (10YR 5/4) exterior and 30 percent very dark gray (10YR 3/1) exterior very gravelly loam; weak fine subangular blocky structure; friable; 0.9 medium roots and 7.0 fine roots; 7.0 very fine interstitial and tubular pores; 15 percent distinct very dark grayish brown (10YR 3/2) organic stains on faces of peds; 35 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU060108. discontinuous - phpvsfiid 142418; discontinuous - phpvsfiid 142418
    Bt1—28 to 41 centimeters (11.0 to 16.1 inches); yellowish brown (10YR 5/6) exterior very gravelly loam; moderate very fine subangular blocky structure; friable; 7.0 very fine roots throughout; 7.0 very fine interstitial and tubular pores; 15 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on faces of peds and 15 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds; 55 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU060109. discontinuous - phpvsfiid 142419; discontinuous - phpvsfiid 142420; discontinuous - phpvsfiid 142419; discontinuous - phpvsfiid 142420
    Bt2—41 to 64 centimeters (16.1 to 25.2 inches); yellowish brown (10YR 5/6) exterior extremely gravelly loam; strong fine subangular blocky structure; friable; 7.0 very fine roots throughout; 7.0 very fine interstitial and tubular pores; 15 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds; 65 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # MU060110. continuous - phpvsfiid 142421; discontinuous - phpvsfiid 142422; continuous - phpvsfiid 142421; discontinuous - phpvsfiid 142422
    2Bt3—64 to 104 centimeters (25.2 to 40.9 inches); 60 percent yellowish red (5YR 4/6) exterior and 40 percent strong brown (7.5YR 5/6) exterior clay; moderate fine and medium subangular blocky structure; firm; 0.9 very fine roots throughout; 7.0 very fine tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 10 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, unspecified; gradual smooth boundary. Lab sample # MU060111. continuous - phpvsfiid 142423; continuous - phpvsfiid 142423
    2Bt4—104 to 157 centimeters (40.9 to 61.8 inches); 80 percent yellowish red (5YR 4/6) exterior and 20 percent strong brown (7.5YR 4/6) exterior clay; moderate coarse subangular blocky parts to moderate fine and medium subangular blocky structure; firm; 7.0 very fine tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 5 percent by volume subangular 2-39-75 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, unspecified; gradual smooth boundary. Lab sample # MU060112. continuous - phpvsfiid 142424; continuous - phpvsfiid 142424
    2Bt5—157 to 203 centimeters (61.8 to 79.9 inches); 70 percent red (2.5YR 4/6) exterior and 30 percent grayish brown (10YR 5/2) exterior flaggy clay; moderate coarse subangular blocky parts to moderate fine and medium subangular blocky structure; firm; 7.0 very fine tubular pores; 15 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 75 percent distinct light reddish brown (2.5YR 6/3), moist, clay films on faces of peds; 20 percent by volume subangular 150-265-380 millimeter sandstone, unspecified fragments; noneffervescent, by hcl, unspecified. Lab sample # MU060113. discontinuous - phpvsfiid 142425; discontinuous - phpvsfiid 142426; discontinuous - phpvsfiid 142427; discontinuous - phpvsfiid 142425; discontinuous - phpvsfiid 142426; discontinuous - phpvsfiid 142427