IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1994MO067045M
  • User Pedon ID: 1994MO067045
  • Vegetation Plot ID: 1994MO067045
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9406718
  • 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: 37.0485902
  • Std. Longitude: -92.2580980
  • Datum: WGS84
  • Township: T27N
  • Range: R12W
  • Section: 4
  • PLSS Details: 580 feet E and 690 feet S of the center
  • Location Description: 580 ft. east and 690 ft. south of the center of sec. 4, T27N, R12W
  • 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: Gary Lindgren and Bill Shields
  • Current Taxonomic Class: Loamy-skeletal over clayey, siliceous Typic Hapludults
  • Current Taxon Kind: variant
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Poynor
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Poynor
  • Taxon Kind - variant
  • PSC - 25 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: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • 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—25

    25—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

    5

    —

    —

    424

    —

    210

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; very gravelly silt loam; weak very fine subangular blocky parts to moderate very fine granular structure; friable; 6.0 very fine and fine roots throughout and 0.5 coarse roots throughout; 4.0 fine vesicular and tubular pores; 10 percent distinct very pale brown (10YR 7/3) coats on faces of peds; 5 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # MU049812. discontinuous - phpvsfiid 127728; discontinuous - phpvsfiid 127728
    E—10 to 25 centimeters (3.9 to 9.8 inches); light yellowish brown (10YR 6/4) very gravelly silt loam; weak thin platy structure; friable; 3.0 very fine and fine roots between peds; 4.0 fine vesicular and tubular pores; 10 percent faint brownish yellow (10YR 6/6) coats 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; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # MU049813. discontinuous - phpvsfiid 127729; discontinuous - phpvsfiid 127729
    Bt1—25 to 53 centimeters (9.8 to 20.9 inches); strong brown (7.5YR 5/8) extremely gravelly silt loam; weak very fine and fine subangular blocky structure; friable; 0.5 very fine and fine roots between peds; 4.0 fine vesicular and tubular pores; 10 percent distinct yellowish red (5YR 5/6) clay films on faces of peds and 10 percent prominent very pale brown (10YR 7/4) coats on faces of peds; 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 47 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; abrupt wavy boundary. Lab sample # MU049814. discontinuous - phpvsfiid 127730; discontinuous - phpvsfiid 127731; discontinuous - phpvsfiid 127730; discontinuous - phpvsfiid 127731
    2Bt2—53 to 86 centimeters (20.9 to 33.9 inches); red (2.5YR 4/8) gravelly clay; 1 percent brownish yellow (10YR 6/8) fine prominent mottles; weak fine prismatic parts to strong fine subangular blocky structure; very firm; 0.5 very fine and fine roots between peds and 0.5 coarse roots between peds; 0.5 fine vesicular and tubular pores; 15 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU049815. continuous - phpvsfiid 127732; continuous - phpvsfiid 127732
    2Bt3—86 to 109 centimeters (33.9 to 42.9 inches); yellowish red (5YR 5/6) extremely gravelly clay; weak very fine prismatic parts to moderate fine subangular blocky structure; very firm; 0.5 fine vesicular and tubular pores; 4 percent prominent strong brown (7.5YR 5/8) clay films in root channels and/or pores and 4 percent prominent light yellowish brown (10YR 6/4) clay films in root channels and/or pores and 30 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.3, hellige-truog; abrupt wavy boundary. Lab sample # MU049816. discontinuous - phpvsfiid 127734; continuous - phpvsfiid 127733; discontinuous - phpvsfiid 127735; discontinuous - phpvsfiid 127734; continuous - phpvsfiid 127733; discontinuous - phpvsfiid 127735
    2Bt4—109 to 137 centimeters (42.9 to 53.9 inches); red (2.5YR 4/6) very gravelly clay loam; strong fine subangular blocky structure; very firm; 3.0 fine vesicular and tubular pores; 10 percent prominent yellowish brown (10YR 5/6) clay films in root channels and/or pores and 30 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; 10 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 38 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; abrupt wavy boundary. Lab sample # MU049817. continuous - phpvsfiid 127736; continuous - phpvsfiid 127737; continuous - phpvsfiid 127736; continuous - phpvsfiid 127737
    2Bt5—137 to 155 centimeters (53.9 to 61.0 inches); red (2.5YR 4/6) very gravelly clay loam; moderate fine and medium subangular blocky structure; very firm; 3.0 fine vesicular and tubular pores; 10 percent prominent light gray (2.5Y 7/2) clay films in root channels and/or pores and 14 percent prominent strong brown (7.5YR 5/8) clay films on faces of peds and 30 percent prominent dark red (2.5YR 3/6) clay films on faces of peds; 15 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; clear wavy boundary. Lab sample # MU049818. continuous - phpvsfiid 127738; continuous - phpvsfiid 127739; continuous - phpvsfiid 127740; continuous - phpvsfiid 127738; continuous - phpvsfiid 127739; continuous - phpvsfiid 127740
    2Bt6—155 to 203 centimeters (61.0 to 79.9 inches); red (2.5YR 4/6) extremely gravelly clay loam; moderate fine and medium subangular blocky structure; very firm; 0.5 fine vesicular and tubular pores; 4 percent distinct brown (7.5YR 4/4) clay films on faces of peds and 10 percent prominent dark red (2.5YR 3/6) clay films in root channels and/or pores and 30 percent prominent light gray (10YR 7/2) clay films in root channels and/or pores; 20 percent by volume subangular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog. Lab sample # MU049819. discontinuous - phpvsfiid 127741; continuous - phpvsfiid 127742; discontinuous - phpvsfiid 127769; discontinuous - phpvsfiid 127741; continuous - phpvsfiid 127742; discontinuous - phpvsfiid 127769