IDENTIFIERS

  • Current Taxon Name (Soil Name): Woodson
  • OSD
  • Series Extent
  • User Site ID: S2019KS059001
  • User Pedon ID: S2019KS059001
  • User Site Association ID: NSF Project on the Microbiome of Aquatic Plants and Soils
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 19N0575
  • User Project ID: NSP
  • Project Name: NSF project on the Microbiome of Aquatic plants and Soils across KS
  • Print Date: 12/5/2025

    • 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: 38.5386700
  • Std. Longitude: -95.2480900
  • Datum: WGS84
  • Township: 17 S.
  • Range: 20 E.
  • Section: 30
  • Map Unit: 8961—Woodson silt loam, 0 to 1 percent slopes
  • Country: US—United States
  • State: Kansas
  • County: KS059—Franklin
  • MLRA: 112—Cherokee Prairies
  • Regional Office: 11—Indianapolis, IN
  • MLRA Soil Survey Area: NC-CLI—Clinton, Missouri
  • Non-MLRA Soil Survey Area: KS059—Franklin County, Kansas
  • 7.5 Minute USGS Quad: 38095-E2—Peoria, Kansas

    • PEDON

  • Describers Name: B. Nester, G. Campbell, D. Kohake, J. Warner, J. Hellerich
  • Current Taxonomic Class: Fine, smectitic, thermic Abruptic Argiaquolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Woodson
  • Taxonomic Class - Fine, smectitic, thermic Abruptic Argiaquolls
  • Taxon Kind - series
  • PSC - 50 to 100 cm.
  • Classificaton Date - 7/24/2019
  • Classifier - B. Nester
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over alluvium over residuum
  • Landscape: river valley
  • Landform: paleoterrace
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/23/2019 (actual site observation date)
  • Data Collector: B. Nester, D. Kohake, J. Warner, J. Hellerich, G. Campbell
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    —

    50 - 50

    - 0 -

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

    mollic epipedon

    aquic conditions

    redox concentrations

    argillic horizon

    abrupt textural change

    lithologic discontinuity

    slickensides

    reduced matrix

    gypsum accumulations

    secondary carbonates

    lithologic discontinuity

    0—121

    0—200

    36—200

    50—200

    50—50

    50—50

    75—152

    121—200

    121—152

    152—200

    152—152

    —121—

    —200—

    —164—

    —150—

    —0—

    —0—

    —77—

    —79—

    —31—

    —48—

    —0—
    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

    1

    —

    —

    298

    —

    80

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 15 centimeters (0.0 to 5.9 inches); black (10YR 2/1) interior silt loam; 25 percent clay; weak coarse platy parts to weak fine subangular blocky, and weak coarse platy parts to weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; deformable; common (3.0) very fine roots throughout; many (7.0) medium dendritic tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt wavy boundary. Lab sample # 19N03304; very moist when described; observed in pit, small
    Ap2—15 to 36 centimeters (5.9 to 14.2 inches); black (10YR 2/1) interior silt loam; 26 percent clay; weak coarse platy parts to weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; deformable; common (3.0) very fine roots throughout; many (7.0) fine dendritic tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt wavy boundary. Lab sample # 19N03305; very moist when described; observed in pit, small
    AB—36 to 50 centimeters (14.2 to 19.7 inches); black (10YR 2/1) interior silty clay loam; 32 percent clay; moderate medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; semideformable; common (2.0) very fine roots throughout; common (4.0) fine dendritic tubular pores; 1 percent very fine distinct spherical noncoherent cemented dark brown (10YR 3/3), moist, masses of oxidized iron with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; abrupt wavy boundary. Lab sample # 19N03306; very moist when described; observed in pit, small
    2Bt—50 to 75 centimeters (19.7 to 29.5 inches); black (10YR 2/1) interior silty clay; 54 percent clay; moderate medium subangular blocky structure; hard, very firm, very sticky, very plastic; semideformable; common (2.0) very fine roots throughout; common (1.0) very fine dendritic tubular pores; 30 percent distinct pressure faces on all faces of peds and 50 percent distinct very dark gray (10YR 3/1), moist, clay films on all faces of peds; 1 percent very fine distinct spherical noncoherent cemented dark brown (10YR 3/3), moist, masses of oxidized iron with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 19N03307; very moist when described; observed in pit, small
    2Btss—75 to 121 centimeters (29.5 to 47.6 inches); very dark gray (2.5Y 3/1) interior silty clay; 53 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, very firm, very sticky, very plastic; semideformable; common (1.0) very fine roots throughout; common (1.0) very fine dendritic tubular pores; 50 percent prominent black (2.5Y 2.5/1), moist, clay films on all faces of peds and 50 percent prominent slickensides (pedogenic) on all faces of peds; 3 percent fine faint irregular noncoherent cemented black (10YR 2/1), moist, manganese masses with clear boundaries in matrix and 5 percent very fine distinct irregular noncoherent cemented olive brown (2.5Y 4/4), moist, masses of oxidized iron with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 19N03308; very moist when described; observed in pit, small
    2Btssyg—121 to 152 centimeters (47.6 to 59.8 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 51 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; hard, very firm, very sticky, very plastic; semideformable; common (1.0) very fine roots throughout; common (1.0) very fine dendritic tubular pores; 5 percent prominent black (10YR 2/1), moist, organoargillans on surfaces along pores and 5 percent prominent slickensides (pedogenic) on all faces of peds and 50 percent prominent very dark grayish brown (2.5Y 3/2), moist, clay films on all faces of peds; 3 percent fine distinct irregular noncoherent cemented black (10YR 2/1), moist, manganese masses with clear boundaries in matrix and 10 percent very fine distinct irregular noncoherent cemented light olive brown (2.5Y 5/4), moist, masses of oxidized iron with diffuse boundaries in matrix; 2 percent fine prominent irregular noncoherent cemented white (10YR 8/1), moist, gypsum masses with diffuse boundaries in matrix; 2 percent by volume nonflat rounded indurated 2-4-5 millimeter chert fragments observed by visual inspection method; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 19N03309; very moist when described; observed in pit, small
    3Btkg1—152 to 173 centimeters (59.8 to 68.1 inches); grayish brown (2.5Y 5/2) interior silty clay; 48 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; moderately hard, firm, very sticky, very plastic; semideformable; common (1.0) very fine roots throughout; common (1.0) very fine dendritic tubular pores; 30 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 3 percent very fine distinct irregular noncoherent cemented black (10YR 2/1), moist, manganese masses with clear boundaries in matrix and 40 percent medium faint irregular noncoherent cemented light olive brown (2.5Y 5/3), moist, masses of oxidized iron with diffuse boundaries in matrix; 3 percent medium prominent irregular noncoherent cemented white (10YR 8/1), moist, carbonate masses with diffuse boundaries in matrix; 2 percent by volume nonflat rounded indurated 2-4-5 millimeter chert fragments observed by visual inspection method; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 19N03310; very moist when described; observed in pit, small
    3Btkg2—173 to 200 centimeters (68.1 to 78.7 inches); grayish brown (2.5Y 5/2) interior silty clay; 44 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; moderately hard, firm, very sticky, very plastic; semideformable; common (1.0) very fine roots throughout; common (1.0) very fine dendritic tubular pores; 30 percent prominent gray (10YR 5/1), moist, slickensides (pedogenic) on all faces of peds; 3 percent very fine distinct irregular noncoherent cemented black (10YR 2/1), moist, iron-manganese masses with clear boundaries in matrix and 45 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 4/6), moist, and brownish yellow (10YR 6/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 2 percent fine prominent irregular noncoherent cemented white (10YR 8/1), moist, carbonate masses with diffuse boundaries in matrix; 2 percent by volume nonflat rounded indurated 2-4-5 millimeter chert fragments observed by visual inspection method; noneffervescent, by hcl, 1n. Lab sample # 19N03311; very moist when described; observed in pit, small