IDENTIFIERS

  • Current Taxon Name (Soil Name): Kroeker
  • OSD
  • Series Extent
  • Local Phase: loam
  • User Site ID: S2010OK007004
  • User Pedon ID: S2010OK007004
  • Vegetation Plot ID: S2010OK007004
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0955
  • NCSS Pedon Lab Data NASIS Record ID - 43200
  • Print Date: 11/12/2024

    • 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: 36.7859917
  • Std. Longitude: -100.5933972
  • Datum: WGS84
  • Township: 4N
  • Range: 23E
  • Section: 28
  • PLSS Details: SW1/4 of NW1/4
  • State: Oklahoma
  • County: OK007—Beaver
  • MLRA: 77E—Southern High Plains, Breaks
  • 7.5 Minute USGS Quad: 36100-G5—Beaver, Oklahoma

    • PEDON

  • Describers Name: Steven L McGowen, Chris P Hobbs, Brian J Williams, Michael Van Wyk
  • Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Calcidic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Kroeker (flagged as OSD)
  • PSC - 19 to 34 cm.
  • Classificaton Date - 3/13/2018
  • Classifier - Steven McGowen
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Beaver
  • Classificaton Date - 4/14/2010
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Holocene loamy alluvium
  • Landscape: hills on alluvial plain remnant
  • Landform: stream terrace on hillslope
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments: 1.00 percent nonflat rounded indurated 2- to 5-millimeter quartzite, 1.00 percent nonflat rounded indurated 5- to 20-millimeter quartzite,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/14/2010 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 18
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AMBRO

    ARIST

    BOCU

    BOGR2

    BOSA

    HELIA3

    PAVI2

    Ambrosia

    Aristida

    Bouteloua curtipendula

    Bouteloua gracilis

    Bothriochloa saccharoides

    Helianthus

    Panicum virgatum

    ragweed

    threeawn

    sideoats grama

    blue grama

    silver bluestem

    sunflower

    switchgrass

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

    mollic epipedon

    argillic horizon

    secondary carbonates

    calcic horizon

    0—19

    19—34

    19—180

    58—115

    —19—

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    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

    0.5

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    763

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    0

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    Ap—0 to 19 centimeters (0.0 to 7.5 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/3), moist; loam; 43 percent sand; 41 percent silt; 16 percent clay; moderate medium subangular blocky parts to moderate medium granular structure; soft, very friable; 7.0 very fine roots throughout and 0.5 medium roots throughout and 7.0 fine roots throughout; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    Btk1—19 to 34 centimeters (7.5 to 13.4 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; clay loam; 21 percent sand; 45 percent silt; 34 percent clay; moderate medium subangular blocky structure; slightly hard, friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 35 percent distinct clay films on vertical faces of peds; carbonate, finely disseminated throughout and 1 percent medium distinct spherical moderately coherent cemented carbonate nodules in matrix and 5 percent medium faint cylindrical noncoherent cemented worm casts in matrix; fragments; first stage carbonates developed in the fine earth fraction; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small. discontinuous - phpvsfiid 527740; discontinuous - phpvsfiid 527740
    Btk2—34 to 58 centimeters (13.4 to 22.8 inches); strong brown (7.5YR 4/6), dark brown (7.5YR 3/4), moist; clay loam; 24 percent sand; 46 percent silt; 31 percent clay; strong medium subangular blocky, and moderate medium prismatic structure; slightly hard, friable; 3.0 very fine roots between peds and 0.5 fine roots between peds; 2 percent distinct carbonate coats on vertical faces of peds and 75 percent distinct clay films on tops of soil columns; 15 percent medium prominent spherical moderately coherent cemented carbonate nodules in matrix; fragments; second stage carbonates developed in the fine earth fraction; slight effervescence, by hcl, 1n; abrupt wavy boundary.; observed in pit, small. continuous - phpvsfiid 527741; discontinuous - phpvsfiid 527742; continuous - phpvsfiid 527741; discontinuous - phpvsfiid 527742
    Bkk—58 to 81 centimeters (22.8 to 31.9 inches); variegated 80 percent pinkish white (7.5YR 8/2) and 20 percent strong brown (7.5YR 5/6), 80 percent pink (7.5YR 7/4) and 20 percent strong brown (7.5YR 4/6), moist; silty clay loam; 15 percent sand; 50 percent silt; 36 percent clay; moderate medium angular blocky parts to strong fine angular blocky structure; moderately hard, firm; 0.5 fine roots between peds; 65 percent distinct carbonate coats on all faces of peds; carbonate, finely disseminated throughout and 40 percent extremely coarse distinct cylindrical strongly coherent cemented carbonate nodules in matrix and 10 percent medium distinct irregular moderately coherent cemented carbonate nodules in matrix and 5 percent very coarse distinct spherical strongly coherent cemented carbonate nodules in matrix; fragments; third stage carbonates developed in the fine earth fraction; violent effervescence, by hcl, 1n; diffuse irregular boundary.; observed in pit, small. continuous - phpvsfiid 527743; continuous - phpvsfiid 527743
    Btk3—81 to 115 centimeters (31.9 to 45.3 inches); variegated 90 percent reddish yellow (7.5YR 6/6) and 10 percent pinkish white (7.5YR 8/2), 90 percent strong brown (7.5YR 5/6) and 10 percent pink (7.5YR 7/4), moist; silty clay loam; 15 percent sand; 52 percent silt; 33 percent clay; moderate medium angular blocky parts to strong fine angular blocky structure; hard, very firm; 0.5 fine roots between peds; 15 percent distinct brown (7.5YR 4/3), moist, clay films on vertical faces of peds and 25 percent distinct dusky red (7.5R 3/2), moist, organoargillans on vertical faces of peds and 60 percent distinct carbonate coats on vertical faces of peds; carbonate, finely disseminated throughout and 5 percent fine distinct threadlike noncoherent cemented carbonate masses throughout and 5 percent medium distinct spherical moderately coherent cemented carbonate nodules in matrix; fragments; second stage carbonates developed in the fine earth fraction; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small. discontinuous - phpvsfiid 527744; continuous - phpvsfiid 527745; patchy - phpvsfiid 527746; discontinuous - phpvsfiid 527744; continuous - phpvsfiid 527745; patchy - phpvsfiid 527746
    BCk1—115 to 140 centimeters (45.3 to 55.1 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 5/6), moist; loam; 29 percent sand; 49 percent silt; 22 percent clay; strong medium subangular blocky parts to moderate fine angular blocky structure; moderately hard, friable; 0.5 very fine roots throughout; carbonate, finely disseminated throughout and 40 percent very fine distinct threadlike noncoherent cemented carbonate masses in matrix; fragments; second stage carbonates developed in the fine earth fraction; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    BCk2—140 to 180 centimeters (55.1 to 70.9 inches); reddish yellow (7.5YR 6/6), strong brown (7.5YR 5/6), moist; loam; 44 percent sand; 41 percent silt; 15 percent clay; strong coarse subangular blocky parts to strong medium subangular blocky structure; slightly hard, very friable; 0.1 very fine roots throughout; carbonate, finely disseminated throughout and 5 percent fine faint threadlike moderately coherent cemented carbonate masses in matrix; fragments; first stage carbonates developed in the fine earth fraction; strong effervescence, by hcl, 1n.; observed in pit, small