IDENTIFIERS

  • Current Taxon Name (Soil Name): Shadygrove
  • OSD
  • Series Extent
  • User Site ID: 2003MO06902
  • User Pedon ID: 2003MO06902
  • Vegetation Plot ID: 2003MO06902
  • Transect:
  • User Transect ID - Morris State Park
  • Transect Stop Number - 19
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0306902
  • NCSS Pedon Lab Data NASIS Record ID - 30548
  • Print Date: 1/25/2025

    • 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: 36.5567667
  • Std. Longitude: -90.0457694
  • Datum: WGS84
  • Township: 22N
  • Range: 9E
  • Section: 13
  • PLSS Details: 520 ft east and 160 ft south of the northwest corner
  • State: Missouri
  • County: MO069—Dunklin
  • Regional Office: 7—Auburn, AL
  • Non-MLRA Soil Survey Area: MO069—Dunklin County, Missouri

    • PEDON

  • Describers Name: Bryan Mayhan, Leon Thompson, Rod Taylor
  • Current Taxonomic Class: Fine, mixed, active, thermic Albaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: research site
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Shadygrove
  • Taxonomic Class - Fine, mixed, active, thermic Albaquic Hapludalfs
  • PSC - 8 to 58 cm.
  • Classificaton Date - 1/8/2003
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: loess bluff
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Clayton Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/8/2003 (actual site observation date)
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QURU

    QUAL

    CARYA

    LIST2

    Quercus rubra

    Quercus alba

    Carya

    Liquidambar styraciflua

    northern red oak

    white oak

    hybrid hickory

    sweetgum

    —

    —

    —

    —

    —

    —

    —

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    —

    —

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    —

    56 - 56

    - 1 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    aquic conditions

    abrupt textural change

    0—8

    8—152

    8—152

    56—56

    —8—

    —144—

    —144—

    —1—
    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

    7

    —

    —

    107

    —

    57

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments.
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 5/3) interior silt loam; moderate fine granular structure; friable; moderate permeability; low excavation difficulty; 7.0 fine and medium roots throughout and 0.9 coarse roots throughout; 7.0 fine moderate-continuity interstitial pores; 15 percent distinct dark grayish brown (10YR 4/2), moist, organic stains on faces of peds and in pores; fragments; very strongly acid, pH 4.8; clear smooth boundary. Lab sample # MU024280; moist when described; observed in pit, small. discontinuous - phpvsfiid 777223; discontinuous - phpvsfiid 777223
    Bt1—8 to 28 centimeters (3.1 to 11.0 inches); olive yellow (2.5Y 6/6) interior clay; moderate medium subangular blocky structure; firm; moderately slow permeability; moderate excavation difficulty; 7.0 fine roots throughout; 7.0 fine and medium moderate-continuity tubular pores; 15 percent faint olive yellow (2.5Y 6/6), moist, clay films on faces of peds; 1 percent medium faint irregular noncoherent cemented light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix; fragments; extremely acid, pH 4.3; gradual smooth boundary. Lab sample # MU024281; moist when described; observed in pit, small. discontinuous - phpvsfiid 777224; discontinuous - phpvsfiid 777224
    Bt2—28 to 43 centimeters (11.0 to 16.9 inches); light olive brown (2.5Y 5/6) interior silty clay loam; strong fine subangular blocky structure; firm; moderate permeability; moderate excavation difficulty; 3.0 medium and coarse roots throughout and 7.0 fine roots throughout; 7.0 fine moderate-continuity tubular pores; 15 percent faint light olive brown (2.5Y 5/6), moist, clay films on faces of peds; 1 percent medium faint irregular noncoherent cemented light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; very strongly acid, pH 4.5; abrupt smooth boundary. Lab sample # MU024282; moist when described; observed in pit, small. discontinuous - phpvsfiid 777225; discontinuous - phpvsfiid 777225
    2Bt3—43 to 55 centimeters (16.9 to 21.7 inches); 70 percent brownish yellow (10YR 6/8) interior and 30 percent olive yellow (2.5Y 6/6) interior silty clay; moderate medium subangular blocky structure; very firm; very slow permeability; high excavation difficulty; 0.9 medium roots throughout and 7.0 fine roots throughout; 0.9 medium moderate-continuity tubular and 7.0 fine moderate-continuity tubular pores; 15 percent faint brownish yellow (10YR 6/8), moist, clay films on faces of peds; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; fragments; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # MU024283; moist when described; observed in pit, small. discontinuous - phpvsfiid 777226; discontinuous - phpvsfiid 777226
    3Bt4—55 to 78 centimeters (21.7 to 30.7 inches); 80 percent olive yellow (2.5Y 6/8) interior and 20 percent light gray (2.5Y 7/1) interior clay; moderate fine and medium subangular blocky structure; very firm; very slow permeability; high excavation difficulty; 0.9 fine roots throughout; 7.0 fine moderate-continuity tubular pores; 15 percent faint olive yellow (2.5Y 6/8), moist, clay films on faces of peds; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat rounded weakly cemented cemented 2-?-250 millimeter sandstone, unspecified fragments; slightly alkaline, pH 7.6; abrupt smooth boundary. Lab sample # MU024284; moist when described; observed in pit, small. discontinuous - phpvsfiid 777227; discontinuous - phpvsfiid 777227
    3Btg—78 to 98 centimeters (30.7 to 38.6 inches); gray (2.5Y 6/1) interior silty clay; moderate medium angular blocky structure; very firm; very slow permeability; high excavation difficulty; 3.0 very fine roots throughout; 0.9 fine moderate-continuity tubular pores; 15 percent faint gray (2.5Y 6/1), moist, clay films on faces of peds; 1 percent medium faint irregular noncoherent cemented dark brown (10YR 3/3), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented olive yellow (2.5Y 6/8), moist, iron depletions with clear boundaries in matrix; fragments; slightly alkaline, pH 7.8; abrupt smooth boundary. Lab sample # MU024285; moist when described; observed in pit, small. discontinuous - phpvsfiid 777228; discontinuous - phpvsfiid 777228
    4Bw1—98 to 152 centimeters (38.6 to 59.8 inches); 60 percent light olive brown (2.5Y 5/6) interior and 40 percent light gray (2.5Y 7/1) interior silt loam; weak fine subangular blocky structure; very friable; moderate permeability; moderate excavation difficulty; 0.9 fine moderate-continuity interstitial pores; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded very strongly coherent cemented 2-?-250 millimeter chert fragments; moderately alkaline, pH 7.9. Lab sample # MU024286; moist when described; observed in pit, small