IDENTIFIERS

  • Current Taxon Name (Soil Name): Irwin
  • OSD
  • Series Extent
  • User Site ID: 06KS079012
  • User Pedon ID: 06KS079012
  • User Site Association ID: Irwin, Ladysmith, Dwight, Konza DeAnn Presley PhD studyKansas State University Laboratory PedonsKSU _ Presley dissertation
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSU
  • Lab Pedon # - 06KS079012
  • NCSS Pedon Lab Data NASIS Record ID - 40825
  • Print Date: 4/17/2025

    • 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: 38.0449905
  • Std. Longitude: -97.1621399
  • Datum: WGS84
  • Township: 23S
  • Range: 2E
  • Section: 13
  • PLSS Details: SW1/4 of SE1/4
  • State: Kansas
  • County: KS079—Harvey
  • MLRA: 75—Central Loess Plains
  • Non-MLRA Soil Survey Area: KS079—Harvey County, Kansas
  • 7.5 Minute USGS Quad: 38097-A2—Elbing, Kansas

    • PEDON

  • Describers Name: DeAnn Presley
  • Current Taxonomic Class: Fine, smectitic, mesic Pachic Paleustolls
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Irwin
  • Taxonomic Class - Fine, smectitic, mesic Pachic Paleustolls
  • PSC - 48 to 98 cm.
  • Classificaton Date - 8/12/2006
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey loess over colluvium
  • Hill Slope Profile: shoulder
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Sumner group .
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/12/2006 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    redox concentrations

    slickensides

    secondary carbonates

    lithologic discontinuity

    0—

    48—

    48—

    94—170

    127—198

    198—

    —-

    —-

    —-

    —-

    —-

    —-
    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

    —

    —

    434

    —

    225

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 16 centimeters (0.0 to 6.3 inches);, very dark grayish brown (10YR 3/2), moist; silt loam; 20 percent clay; weak fine granular structure; friable, slightly sticky, slightly plastic; 0.2 very fine roots throughout; fragments; noneffervescent, by hcl, 1n; clear boundary. Lab sample # KSUR2011; observed in push tube
    A—16 to 48 centimeters (6.3 to 18.9 inches);, very dark grayish brown (10YR 3/2), moist; silt loam; 26 percent clay; weak fine subangular blocky structure; friable, moderately sticky, moderately plastic; 0.2 very fine roots throughout; fragments; noneffervescent, by hcl, 1n; clear boundary. Lab sample # KSUR2012; observed in push tube
    Bt—48 to 63 centimeters (18.9 to 24.8 inches);, very dark brown (10YR 2/2), moist; silty clay loam; 36 percent clay; moderate medium prismatic structure; firm, very sticky, very plastic; 0.2 very fine roots between peds; 20 percent faint very dark brown (10YR 2/2), moist, organoargillans on all faces of peds; 2 percent fine faint black (N 2.5/), moist, iron-manganese nodules and 2 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; clear boundary. Lab sample # KSUR2013; observed in push tube. discontinuous - phpvsfiid 337416; discontinuous - phpvsfiid 337416
    Bt2—63 to 94 centimeters (24.8 to 37.0 inches);, black (10YR 2/1), moist; silty clay; 44 percent clay; moderate medium prismatic structure; very firm, very sticky, very plastic; 0.2 very fine roots between peds; 25 percent faint black (10YR 2/1), moist, organoargillans on all faces of peds; 2 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron and 2 percent fine faint black (N 2.5/), moist, iron-manganese nodules; fragments; noneffervescent, by hcl, 1n; clear boundary. Lab sample # KSUR2014; observed in push tube. discontinuous - phpvsfiid 337417; discontinuous - phpvsfiid 337417
    Btss—94 to 127 centimeters (37.0 to 50.0 inches);, very dark gray (10YR 3/1), moist; silty clay; 48 percent clay; moderate medium prismatic structure; very firm, very sticky, very plastic; 0.2 very fine roots between peds; 5 percent slickensides (pedogenic) and 25 percent faint very dark gray (10YR 3/1), moist, clay films on all faces of peds; 2 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron and 2 percent fine faint black (N 2.5/), moist, iron-manganese nodules; fragments; noneffervescent, by hcl, 1n; clear boundary. Lab sample # KSUR2015; observed in push tube. continuous - phpvsfiid 337418; continuous - phpvsfiid 337418
    Btkss—127 to 170 centimeters (50.0 to 66.9 inches);, very dark gray (10YR 3/1), moist; silty clay; 48 percent clay; moderate medium prismatic structure; very firm, very sticky, very plastic; 5 percent slickensides (pedogenic) and 25 percent faint very dark gray (10YR 3/1), moist, clay films on all faces of peds; 2 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron and 2 percent fine faint black (N 2.5/), moist, iron-manganese nodules; 1 percent fine distinct carbonate nodules; fragments; noneffervescent, by hcl, 1n; clear boundary. Lab sample # KSUR2016; observed in push tube. continuous - phpvsfiid 337421; continuous - phpvsfiid 337421
    Btk—170 to 198 centimeters (66.9 to 78.0 inches);, very dark gray (10YR 3/1), moist; silty clay; 44 percent clay; moderate medium prismatic structure; very firm, very sticky, very plastic; 25 percent faint very dark gray (10YR 3/1), moist, clay films on all faces of peds; 2 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron and 2 percent fine faint black (N 2.5/), moist, iron-manganese nodules; 1 percent fine distinct carbonate nodules; fragments; noneffervescent, by hcl, 1n; clear boundary. Lab sample # KSUR2017; observed in push tube. continuous - phpvsfiid 337423; continuous - phpvsfiid 337423
    2Bt—198 to 254 centimeters (78.0 to 100.0 inches);, very dark grayish brown (10YR 3/2), moist; silty clay; 44 percent clay; moderate medium prismatic structure; very firm, very sticky, very plastic; 5 percent faint very dark brown (10YR 2/2), moist, clay films on all faces of peds; 5 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n. Lab sample # KSUR2018; observed in push tube. patchy - phpvsfiid 337424; patchy - phpvsfiid 337424