IDENTIFIERS

  • Current Taxon Name (Soil Name): Irwin
  • OSD
  • Series Extent
  • User Site ID: S1986KS115004
  • User Pedon ID: 86KS115004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0025
  • NCSS Pedon Lab Data NASIS Record ID - 59321
  • Print Date: 11/21/2024

    • 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: 38.2458344
  • Std. Longitude: -97.2047195
  • Datum: WGS84
  • Township: 21S
  • Range: 2E
  • Section: 10
  • PLSS Details: 455 feet E and 1965 feet N of the SW corner of the NW quarter
  • State: Kansas
  • County: KS115—Marion
  • MLRA: 75—Central Loess Plains

    • PEDON

  • Describers Name: D. Swanson
  • Current Taxonomic Class: Fine, mixed, mesic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Irwin
  • PSC - 25 to 75 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Irwin
  • Taxonomic Class - Fine, mixed, mesic Pachic Argiustoll
  • Taxon Kind - series
  • Classificaton Date - 10/1/1986
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Flooding: frequent flooding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1986 (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
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—91

    25—91

    —-

    —-
    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

    —

    —

    430

    —

    0

    —

    —

    —

    13

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    1A1—0 to 18 centimeters (0.0 to 7.1 inches); dark gray (10YR 4/1) interior, very dark gray (10YR 3/1) interior, moist; silty clay loam; 28 percent clay; moderate medium granular structure; slightly hard, friable; 5.5 fine roots throughout; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 87P00129. many fine roots throughout
    1A2—18 to 25 centimeters (7.1 to 9.8 inches); dark gray (10YR 4/1) interior, very dark gray (10YR 3/1) interior, moist; silty clay loam; 32 percent clay; moderate medium granular structure; slightly hard, friable; 5.5 fine roots throughout; fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # 87P00129. many fine roots throughout
    1Bt1—25 to 53 centimeters (9.8 to 20.9 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silty clay; 48 percent clay; 1 percent dark yellowish brown (10YR 3/4) fine faint mottles; moderate medium angular blocky structure; very hard, very firm; 2.5 fine roots throughout; 1 percent spherical carbonate concretions; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 87P00130. few lime concretions concentrations; common fine roots throughout; few fine faint 10YR34 mottles
    1Bt2—53 to 91 centimeters (20.9 to 35.8 inches); brown (10YR 4/3) interior, dark brown (10YR 3/3) interior, moist; silty clay; 50 percent clay; 1 percent dark yellowish brown (10YR 4/4) fine faint mottles; moderate medium angular blocky structure; very hard, very firm; 0.5 fine roots throughout; 1 percent spherical carbonate concretions; fragments; slightly alkaline, pH 7.7, hellige-truog; gradual smooth boundary. Lab sample # 87P00131. few lime concretions concentrations; few fine roots throughout; few fine faint 10YR44 mottles
    1BC—91 to 114 centimeters (35.8 to 44.9 inches); brown (10YR 5/3) interior, brown (10YR 4/3) interior, moist; silty clay; 49 percent clay; weak medium angular blocky structure; very hard, very firm; 0.5 fine roots throughout; 1 percent spherical carbonate concretions; fragments; moderately alkaline, pH 7.9, hellige-truog; gradual smooth boundary. Lab sample # 87P00132. few lime concretions concentrations; few fine roots throughout
    1C1—114 to 132 centimeters (44.9 to 52.0 inches); light yellowish brown (10YR 6/4) interior, yellowish brown (10YR 5/4) interior, moist; silty clay; 48 percent clay; massive; very hard, very firm; 1 percent spherical carbonate concretions; fragments; moderately alkaline, pH 7.9, hellige-truog; gradual smooth boundary. Lab sample # 87P00133. few lime concretions concentrations
    1C2—132 to 152 centimeters (52.0 to 59.8 inches); light gray (2.5Y 7/2) interior, light brownish gray (2.5Y 6/2) interior, moist; silty clay; 47 percent clay; 11 percent olive yellow (2.5Y 6/6) coarse distinct mottles; massive; very hard, very firm; 1 percent carbonate masses; fragments; moderately alkaline, pH 7.9, hellige-truog. Lab sample # 87P00134. few soft masses of carbonate concentrations; common coarse distinct 2.5Y66 mottles