IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1996MO067099M
  • User Pedon ID: 1996MO067099
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9706707
  • Print Date: 5/31/2024

    • 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: 36.8037889
  • Std. Longitude: -92.1799790
  • Datum: WGS84
  • Township: T25N
  • Range: R11W
  • Section: 32
  • Location Description: 350 feet east of forest service road and 800 feet north of junction of this road with the county road in sec 32 T25N R11W.
  • Map Unit: 73019—Poynor very gravelly silt loam, 1 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: KEB, WLS and GWS
  • 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 - 23 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - series
  • PSC - 23 to 100 cm.
  • Classificaton Date - 12/9/1996
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from dolomite
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/9/1996 (actual site observation date)
  • Air Photo ID: 2251-149
  • 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—23

    23—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

    6

    —

    —

    308

    —

    350

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield, Mo.

    TAPS
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments; abrupt smooth boundary. Lab sample # MU64242
    A—3 to 13 centimeters (1.2 to 5.1 inches); brown (10YR 5/3), light gray (10YR 7/2), dry; very gravelly silt loam; moderate fine granular structure; friable; 6.0 fine to coarse roots; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU057256
    E—13 to 23 centimeters (5.1 to 9.1 inches); 85 percent light yellowish brown (10YR 6/4) and 15 percent brown (10YR 5/3), very pale brown (10YR 7/3), dry; gravelly silt loam; moderate fine subangular blocky parts to moderate fine granular structure; friable; 6.0 fine to coarse roots; 0.5 very fine tubular pores; 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU057257
    BE—23 to 33 centimeters (9.1 to 13.0 inches); brown (7.5YR 5/4), pink (7.5YR 7/4), dry; very gravelly silt loam; moderate fine and medium subangular blocky structure; friable; 6.0 fine to coarse roots; 0.5 very fine tubular pores; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU057258
    Bt1—33 to 53 centimeters (13.0 to 20.9 inches); 80 percent brown (7.5YR 5/4) and 15 percent light yellowish brown (10YR 6/4) and 5 percent yellowish red (5YR 5/6) very gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 15 percent faint clay films on faces of peds; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.7, hellige-truog; abrupt wavy boundary. Lab sample # MU057259. discontinuous - phpvsfiid 131055; discontinuous - phpvsfiid 131055
    2Bt2—53 to 71 centimeters (20.9 to 28.0 inches); 95 percent yellowish red (5YR 5/6) and 5 percent dark red (2.5YR 3/6) gravelly clay; moderate medium prismatic parts to moderate very fine and fine subangular blocky structure; firm; 3.0 fine and medium roots; 30 percent distinct clay films on faces of peds; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU057260. discontinuous - phpvsfiid 131056; discontinuous - phpvsfiid 131056
    2Bt3—71 to 109 centimeters (28.0 to 42.9 inches); 60 percent red (2.5YR 4/6) and 35 percent strong brown (7.5YR 5/6) and 5 percent yellowish brown (10YR 5/6) clay; moderate medium prismatic parts to moderate very fine and fine subangular blocky structure; firm; 3.0 fine and medium roots and 0.5 coarse roots; 70 percent prominent clay films on vertical faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU057261. continuous - phpvsfiid 131057; continuous - phpvsfiid 131057
    2Bt4—109 to 137 centimeters (42.9 to 53.9 inches); 60 percent red (2.5YR 4/6) and 30 percent strong brown (7.5YR 5/6) and 10 percent light yellowish brown (10YR 6/4) clay; moderate medium prismatic parts to moderate very fine and fine subangular blocky structure; firm; 3.0 fine and medium roots; 70 percent prominent clay films on vertical faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog; gradual smooth boundary. Lab sample # MU057262. continuous - phpvsfiid 131058; continuous - phpvsfiid 131058
    2Bt5—137 to 173 centimeters (53.9 to 68.1 inches); 60 percent dark red (2.5YR 3/6) and 30 percent strong brown (7.5YR 5/6) and 10 percent light gray (10YR 7/1) clay; moderate very fine and fine subangular blocky structure; firm; 2.0 very fine and fine roots and 0.5 medium roots; 70 percent prominent clay films on vertical faces of peds; fragments; extremely acid, pH 4.4, hellige-truog; gradual smooth boundary. Lab sample # MU057263. continuous - phpvsfiid 131059; continuous - phpvsfiid 131059
    2Bt6—173 to 203 centimeters (68.1 to 79.9 inches); 60 percent dark red (10R 3/6) and 25 percent strong brown (7.5YR 5/6) and 15 percent light gray (10YR 7/1) clay; moderate fine subangular blocky structure; firm; 0.5 fine roots; 70 percent prominent clay films on vertical faces of peds; fragments; very strongly acid, pH 4.5, hellige-truog. Lab sample # MU057264. continuous - phpvsfiid 131060; continuous - phpvsfiid 131060