IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1994MO067047M
  • User Pedon ID: 1994MO067047
  • Vegetation Plot ID: 1994MO067047
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9406720
  • 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: 37.0548920
  • Std. Longitude: -92.2567995
  • Datum: WGS84
  • Township: T27N
  • Range: R12W
  • Section: 4
  • PLSS Details: 1810 feet W and 1050 feet S of the NE corner
  • Location Description: 1810 ft. west and 1050 ft. south of the NE corner of sec. 4 T27N, R12W
  • Map Unit: 73220—Poynor extremely gravelly silt loam, 8 to 15 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • MLRA Soil Survey Area: NC-SPM—Springfield, Missouri
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: Gary Lindgren & Bill Shields
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • 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 - 9/15/1994
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: unconsolidated sediments derived from dolomite
  • Landscape: plateau
  • Landform: interfluve
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: on a slope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/15/1994 (actual site observation date)
  • Air Photo ID: 2252-95
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUAL

    Quercus alba

    white oak

    —

    —

    —
    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

    12

    —

    —

    410

    —

    90

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    A—0 to 8 centimeters (0.0 to 3.1 inches); dark brown (10YR 3/3), pale brown (10YR 6/3), dry; very gravelly silt loam; moderate very fine and fine granular structure; friable; 0.5 medium roots between peds and 6.0 fine roots throughout; 6.0 fine vesicular and tubular pores; 60 percent faint very pale brown (10YR 7/3) coats on faces of peds; 55 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # MU049820. continuous - phpvsfiid 127783; continuous - phpvsfiid 127783
    E—8 to 23 centimeters (3.1 to 9.1 inches); yellowish brown (10YR 5/4) extremely gravelly silt loam; 5 percent brownish yellow (10YR 6/6) fine faint mottles; weak thin platy structure; friable; 0.5 medium and coarse roots between peds and 3.0 fine roots between peds; 6.0 fine vesicular and tubular pores; 60 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog; abrupt smooth boundary. Lab sample # MU049821
    Bt1—23 to 43 centimeters (9.1 to 16.9 inches); yellowish brown (10YR 5/6) extremely gravelly silt loam; moderate very fine and fine subangular blocky structure; friable; 4.0 fine roots between peds; 6.0 fine vesicular and tubular pores; 4 percent faint strong brown (7.5YR 5/6) clay films on faces of peds and 20 percent prominent very pale brown (10YR 7/4) coats on faces of peds; 15 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 55 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.7, hellige-truog; clear wavy boundary. Lab sample # MU049822. discontinuous - phpvsfiid 127785; patchy - phpvsfiid 127784; discontinuous - phpvsfiid 127785; patchy - phpvsfiid 127784
    2Bt2—43 to 53 centimeters (16.9 to 20.9 inches); yellowish red (5YR 5/6) gravelly silty clay; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots between peds; 4.0 fine vesicular and tubular pores; 4 percent distinct strong brown (7.5YR 5/6) coats on faces of peds and 4 percent prominent very pale brown (10YR 7/3) coats on faces of peds and 10 percent prominent red (2.5YR 4/6) clay films on faces of peds; 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.4, hellige-truog; abrupt smooth boundary. Lab sample # MU049823. discontinuous - phpvsfiid 130865; patchy - phpvsfiid 130866; patchy - phpvsfiid 130867; discontinuous - phpvsfiid 130865; patchy - phpvsfiid 130866; patchy - phpvsfiid 130867
    2Bt3—53 to 74 centimeters (20.9 to 29.1 inches); yellowish red (5YR 5/6) clay; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 0.5 fine roots between peds; 0.5 fine vesicular and tubular pores; 4 percent prominent light yellowish brown (10YR 6/4) coats on faces of peds and 20 percent prominent red (2.5YR 4/6) clay films on faces of peds; 10 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU049824. discontinuous - phpvsfiid 130868; patchy - phpvsfiid 128360; discontinuous - phpvsfiid 130868; patchy - phpvsfiid 128360
    2Bt4—74 to 91 centimeters (29.1 to 35.8 inches); strong brown (7.5YR 5/6) and yellowish red (5YR 5/6) clay; weak fine prismatic parts to strong very fine and fine angular blocky structure; very firm; 0.5 fine roots between peds; 3.0 fine vesicular and tubular pores; 4 percent prominent red (2.5YR 4/6) clay films in root channels and/or pores and 30 percent prominent yellowish red (5YR 4/6) clay films on faces of peds; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU049825. discontinuous - phpvsfiid 128361; continuous - phpvsfiid 128362; discontinuous - phpvsfiid 128361; continuous - phpvsfiid 128362
    2Bt5—91 to 109 centimeters (35.8 to 42.9 inches); yellowish red (5YR 5/6) clay; 1 percent yellowish brown (10YR 5/8) fine prominent mottles; weak fine prismatic parts to strong very fine and fine angular blocky structure; very firm; 0.5 fine roots between peds; 2.0 fine vesicular and tubular pores; 60 percent prominent red (2.5YR 4/6) clay films on faces of peds; 2 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU049826. continuous - phpvsfiid 128363; continuous - phpvsfiid 128363
    2Bt6—109 to 145 centimeters (42.9 to 57.1 inches); yellowish red (5YR 5/6) clay; 10 percent brownish yellow (10YR 6/8) fine prominent mottles; moderate fine prismatic structure; very firm; 0.5 fine roots between peds; 2.0 fine vesicular and tubular pores; 30 percent prominent red (2.5YR 4/6) clay films on faces of peds; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU049827. continuous - phpvsfiid 128364; continuous - phpvsfiid 128364
    2Bt7—145 to 203 centimeters (57.1 to 79.9 inches); brownish yellow (10YR 6/6) and yellowish brown (10YR 5/6) clay; moderate fine and medium subangular blocky structure; very firm; 0.5 fine vesicular and tubular pores; 4 percent prominent very pale brown (10YR 7/3) clay films in root channels and/or pores and 15 percent distinct yellowish red (5YR 5/6) clay films on faces of peds and 60 percent prominent red (2.5YR 4/6) clay films in root channels and/or pores; 5 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog. Lab sample # MU049828. discontinuous - phpvsfiid 128366; continuous - phpvsfiid 128365; discontinuous - phpvsfiid 128367; discontinuous - phpvsfiid 128366; continuous - phpvsfiid 128365; discontinuous - phpvsfiid 128367