IDENTIFIERS

  • Current Taxon Name (Soil Name): Poynor
  • OSD
  • Series Extent
  • User Site ID: 1995MO091025M
  • User Pedon ID: 1995MO091025
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9509115
  • 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: 36.9420167
  • Std. Longitude: -91.7222611
  • Datum: WGS84
  • Map Unit: 73236—Scholten-Poynor complex, 3 to 8 percent slopes
  • State: Missouri
  • County: MO091—Howell
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO091—Howell County, Missouri

    • PEDON

  • Describers Name: JDP, MJM, SFP, BS
  • 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 - 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 - 3/15/1995
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed and/or unconsolidated sediments derived from mixed
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/15/1995 (actual site observation date)
  • Air Photo ID: 2227-212
  • 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—10

    10—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

    3

    —

    —

    338

    —

    210

    1067

    —

    —

    13.3

    23.9

    1.7

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark brown (10YR 3/3) rubbed, pale brown (10YR 6/3) broken face, dry; very gravelly silt loam; weak fine granular structure; very friable; 10.0 very fine and fine roots throughout; 8.0 very fine interstitial pores; 10 percent distinct black (10YR 2/1), moist, organic stains throughout; 5 percent by volume subangular 75-162-250 millimeter mixed fragments and 30 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # MU052957. discontinuous - phpvsfiid 143571; discontinuous - phpvsfiid 143571
    Bt1—10 to 23 centimeters (3.9 to 9.1 inches); brown (7.5YR 4/4) broken face gravelly silt loam; weak fine subangular blocky structure; friable; 8.0 fine and medium roots throughout; 5.0 very fine interstitial and tubular pores; 2 percent distinct reddish yellow (7.5YR 6/6), moist, clay films on rock fragments and 5 percent prominent black (10YR 2/1), moist, organic stains on faces of peds and in pores; 2 percent fine spherical noncoherent cemented very dark grayish brown (10YR 3/2) worm casts throughout; 30 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; neutral, pH 6.7, hellige-truog; clear wavy boundary. Lab sample # MU052958. patchy - phpvsfiid 139727; patchy - phpvsfiid 143576; patchy - phpvsfiid 139727; patchy - phpvsfiid 143576
    Bt2—23 to 43 centimeters (9.1 to 16.9 inches); strong brown (7.5YR 4/6) broken face extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 3.0 fine roots throughout; 2.0 fine discontinuous tubular pores; 20 percent faint yellowish red (5YR 5/6), moist, clay films on faces of peds and in pores and 20 percent prominent pale brown (10YR 6/3), moist, silt coats on rock fragments; 65 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; moderately acid, pH 5.9, hellige-truog; clear wavy boundary. Lab sample # MU052959. discontinuous - phpvsfiid 143585; discontinuous - phpvsfiid 143586; discontinuous - phpvsfiid 143585; discontinuous - phpvsfiid 143586
    2Bt3—43 to 61 centimeters (16.9 to 24.0 inches); red (2.5YR 4/6) broken face silty clay; moderate medium subangular blocky structure; friable; 1.0 fine roots throughout; 6.0 fine discontinuous tubular pores; 5 percent prominent pale brown (10YR 6/3), moist, silt coats on rock fragments and 40 percent prominent red (10R 4/8), moist, clay films on faces of peds and in pores; 10 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU052960. patchy - phpvsfiid 143587; patchy - phpvsfiid 143588; patchy - phpvsfiid 143587; patchy - phpvsfiid 143588
    2Bt4—61 to 104 centimeters (24.0 to 40.9 inches); 75 percent red (2.5YR 4/6) broken face and 25 percent strong brown (7.5YR 4/6) broken face gravelly silty clay; moderate medium subangular blocky parts to moderate fine angular blocky structure; friable; 1.0 fine roots throughout; 8.0 fine discontinuous tubular pores; 5 percent prominent pale brown (10YR 6/3), moist, silt coats on rock fragments and 50 percent prominent red (10R 4/8), moist, clay films on faces of peds and in pores; 20 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. Lab sample # MU052961. Gravel is in a chert band.; patchy - phpvsfiid 139737; continuous - phpvsfiid 143589; patchy - phpvsfiid 139737; continuous - phpvsfiid 143589
    2Bt5—104 to 203 centimeters (40.9 to 79.9 inches); 50 percent red (2.5YR 4/6) broken face and 50 percent strong brown (7.5YR 4/6) broken face silty clay; moderate medium angular blocky structure; friable; 1.0 fine roots throughout; 8.0 fine discontinuous tubular pores; 50 percent prominent red (10R 4/8), moist, clay films on faces of peds and in pores; 10 percent by volume subangular 2-39-75 millimeter mixed fragments; noneffervescent, by hcl, unspecified; strongly acid, pH 5.4, hellige-truog. Lab sample # MU052962. continuous - phpvsfiid 139738; continuous - phpvsfiid 139738