IDENTIFIERS

  • Current Taxon Name (Soil Name): Irwin
  • OSD
  • Series Extent
  • User Site ID: 06KS017011
  • User Pedon ID: 06KS017011
  • 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 # - 06KS017011
  • NCSS Pedon Lab Data NASIS Record ID - 40822
  • Print Date: 2/1/2025

    • 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: 38.4277954
  • Std. Longitude: -96.4349518
  • Datum: WGS84
  • Township: 19S
  • Range: 9E
  • Section: 5
  • PLSS Details: SW 1/4 of NE 1/4
  • State: Kansas
  • County: KS017—Chase
  • MLRA: 76—Bluestem Hills
  • Non-MLRA Soil Survey Area: KS017—Chase County, Kansas
  • 7.5 Minute USGS Quad: 38096-D4—Saffordville, Kansas

    • PEDON

  • Describers Name: DeAnn Presley
  • Current Taxonomic Class: Fine, smectitic, mesic Pachic Argiustolls
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Irwin
  • Taxonomic Class - Fine, smectitic, mesic Pachic Argiustolls
  • PSC - 14 to 64 cm.
  • Classificaton Date - 2/7/2006
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey loess over colluvium over colluvium over non-calcareous residuum weathered from shale
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: at 138cm
  • Geology: Neva member of the Grenola formation in the Council Grove group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/7/2006 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    abrupt textural change

    argillic horizon

    redox concentrations

    secondary carbonates

    lithologic discontinuity

    lithologic discontinuity

    lithologic discontinuity

    paralithic contact

    0—51

    7—8

    14—138

    35—138

    51—73

    83—99

    99—138

    138—

    138—

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    —-
    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

    2

    —

    —

    376

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 7 centimeters (0.0 to 2.8 inches);, black (10YR 2/1) rubbed, moist; silt loam; 20 percent clay; weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; 5.0 fine roots throughout; 5.0 fine dendritic tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1464; observed in push tube
    BA—7 to 14 centimeters (2.8 to 5.5 inches);, black (10YR 2/1) broken face, moist; silty clay loam; 38 percent clay; moderate fine subangular blocky structure; firm, moderately sticky, moderately plastic; 5.0 fine roots throughout; 1.0 fine irregular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1465; observed in push tube
    Bt1—14 to 35 centimeters (5.5 to 13.8 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silty clay; 48 percent clay; moderate medium prismatic structure; very firm, very sticky, very plastic; 1.0 fine roots throughout; 0.5 fine irregular pores; 5 percent faint very dark brown (10YR 2/2), moist, organoargillans; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1466; observed in push tube. patchy - phpvsfiid 329325; patchy - phpvsfiid 329325
    Bt2—35 to 51 centimeters (13.8 to 20.1 inches);, dark brown (10YR 3/3) broken face, moist; silty clay; 44 percent clay; moderate medium prismatic structure; very firm, very sticky, very plastic; 1.0 fine roots between peds; 0.5 fine irregular pores; 5 percent faint very dark grayish brown (10YR 3/2), moist, organoargillans; 2 percent fine distinct black (N 2.5/0), moist, iron-manganese nodules; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1467; observed in push tube. patchy - phpvsfiid 329326; patchy - phpvsfiid 329326
    Btk—51 to 73 centimeters (20.1 to 28.7 inches);, brown (10YR 4/3) broken face, moist; silty clay; 42 percent clay; moderate medium subangular blocky structure; very firm, very sticky, very plastic; 0.5 fine roots between peds; 0.5 fine irregular pores; 5 percent faint dark brown (10YR 3/3), moist, organoargillans; 1 percent fine distinct dark yellowish brown (10YR 4/6), moist, masses of oxidized iron and 2 percent fine distinct black (N 2.5/0), moist, iron-manganese nodules; 2 percent fine light gray (10YR 7/2), moist, carbonate nodules and medium light gray (10YR 7/2), moist, carbonate nodules; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1468; observed in push tube. patchy - phpvsfiid 329327; patchy - phpvsfiid 329327
    Bt—73 to 83 centimeters (28.7 to 32.7 inches);, brown (10YR 4/3) broken face, moist; silty clay loam; 38 percent clay; moderate medium subangular blocky structure; firm, very sticky, very plastic; 0.5 fine roots between peds; 0.5 fine irregular pores; 5 percent faint dark brown (10YR 3/3), moist, organoargillans; 2 percent fine distinct 7.5YR 4/8 (7.5YR 4/8), moist, masses of oxidized iron and 5 percent fine distinct black (N 2.5/0), moist, iron-manganese nodules; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR1469; observed in push tube. patchy - phpvsfiid 329328; patchy - phpvsfiid 329328
    2Bt2—83 to 99 centimeters (32.7 to 39.0 inches);, brown (7.5YR 4/3) broken face, moist; silty clay; 40 percent clay; moderate medium subangular blocky structure; very firm, very sticky, very plastic; 0.5 fine roots between peds; 0.5 fine irregular pores; 25 percent faint dark brown (10YR 3/3), moist, clay films; 10 percent fine distinct black (N 2.5/0), moist, iron-manganese masses and 15 percent fine distinct 7.5YR 4/8 (7.5YR 4/8), moist, masses of oxidized iron; 2 percent by volume chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR1470; observed in push tube. continuous - phpvsfiid 329329; continuous - phpvsfiid 329329
    3Bt3—99 to 138 centimeters (39.0 to 54.3 inches);, dark brown (7.5YR 3/3) broken face, moist; silty clay loam; 35 percent clay; moderate medium subangular blocky structure; very firm, very sticky, very plastic; 0.5 fine roots between peds; 0.5 fine irregular pores; 50 percent faint dark brown (7.5YR 3/2), moist, clay films; 10 percent fine distinct black (N 2.5/0), moist, iron-manganese masses and 25 percent fine prominent 7.5YR 4/8 (7.5YR 4/8), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1471; observed in push tube. continuous - phpvsfiid 329330; continuous - phpvsfiid 329330
    4Cr—138 to 143 centimeters (54.3 to 56.3 inches);, yellowish brown (10YR 5/4) broken face, moist; shale, unspecified fragments; noneffervescent, by hcl, 1n.; observed in push tube