IDENTIFIERS

  • Current Taxon Name (Soil Name): Irwin
  • OSD
  • Series Extent
  • User Site ID: 06KS161001
  • User Pedon ID: 06KS161001
  • User Site Association ID: Kansas State University Laboratory PedonsKSU _ Presley dissertation
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSU
  • Lab Pedon # - 06KS161001
  • NCSS Pedon Lab Data NASIS Record ID - 40841
  • 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: 39.1377411
  • Std. Longitude: -96.8292160
  • Datum: WGS84
  • Township: 10S
  • Range: 5E
  • Section: 36
  • PLSS Details: SW 1/4
  • Map Unit: 4625—Dwight-Irwin complex, 1 to 3 percent slopes
  • State: Kansas
  • County: KS161—Riley
  • MLRA: 76—Bluestem Hills
  • Non-MLRA Soil Survey Area: KS161—Riley County, Kansas

    • PEDON

  • Describers Name: P.Abel/D.Presley
  • Current Taxonomic Class: Fine, smectitic, mesic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Irwin
  • PSC - 20 to 70 cm.
  • Classificaton Date - 10/20/2011
  • Sampled As Information:
  • Soil Name - Irwin
  • Classificaton Date - 7/6/2006
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey loess over clayey pedisediment
  • Landscape: upland
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/6/2006 (entry creation date)
  • Surface Water Kind: none observed
  • 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

    argillic horizon

    lithologic discontinuity

    paralithic contact

    0—36

    20—78

    66—

    178—

    —36—

    —58—

    —-

    —-
    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

    —

    —

    —

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 13 centimeters (0.0 to 5.1 inches);, black (10YR 2/1) exterior, moist; silty clay loam; 32 percent clay; weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 2.0 fine roots throughout; 1.0 fine dendritic tubular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # KSUR1822; observed in pit, small
    BA—13 to 20 centimeters (5.1 to 7.9 inches);, very dark gray (10YR 3/1) exterior, moist; silty clay loam; 38 percent clay; moderate fine subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 2.0 fine and medium roots throughout; 1.0 fine irregular pores; fragments; noneffervescent; abrupt smooth boundary. Lab sample # KSUR1823
    Bt—20 to 36 centimeters (7.9 to 14.2 inches);, dark brown (10YR 3/3) exterior, moist; silty clay; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 1.0 fine and medium roots throughout; 0.5 fine irregular pores; 50 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent fine prominent irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron throughout; fragments; noneffervescent; gradual wavy boundary. Lab sample # KSUR1824. continuous - phpvsfiid 328136; continuous - phpvsfiid 328136
    Btss1—36 to 53 centimeters (14.2 to 20.9 inches);, 60 percent brown (10YR 4/3) exterior and 40 percent dark brown (10YR 3/3) exterior, moist; silty clay; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 fine and medium roots throughout; 0.5 fine irregular pores; 15 percent very dark grayish brown (10YR 3/2), moist, slickensides (pedogenic) on vertical faces of peds and 40 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 2 percent fine prominent irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron throughout; fragments; noneffervescent; gradual wavy boundary. Lab sample # KSUR1825. discontinuous - phpvsfiid 328137; continuous - phpvsfiid 328138; discontinuous - phpvsfiid 328137; continuous - phpvsfiid 328138
    Btss2—53 to 66 centimeters (20.9 to 26.0 inches);, brown (10YR 4/3) exterior, moist; silty clay; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 fine and medium roots throughout; 0.5 fine irregular pores; 10 percent very dark grayish brown (10YR 3/2), moist, slickensides (pedogenic) on vertical faces of peds and 30 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent fine iron-manganese concretions throughout and 5 percent fine prominent irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron throughout; fragments; noneffervescent; gradual wavy boundary. Lab sample # KSUR1826. discontinuous - phpvsfiid 328289; continuous - phpvsfiid 328290; discontinuous - phpvsfiid 328289; continuous - phpvsfiid 328290
    2Btkss—66 to 79 centimeters (26.0 to 31.1 inches);, brown (7.5YR 4/2) exterior, moist; silty clay; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.5 fine and medium roots throughout; 0.5 fine irregular pores; 10 percent very dark grayish brown (10YR 3/2), moist, slickensides (pedogenic) on vertical faces of peds and 20 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 2 percent fine iron-manganese concretions throughout and 10 percent fine irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron throughout; 1 percent fine irregular carbonate concretions throughout; 2 percent by volume nonflat angular 5-?-20 millimeter limestone, unspecified fragments; noneffervescent; gradual wavy boundary. Lab sample # KSUR1827. discontinuous - phpvsfiid 328292; discontinuous - phpvsfiid 328293; discontinuous - phpvsfiid 328292; discontinuous - phpvsfiid 328293
    2Bt1—79 to 104 centimeters (31.1 to 40.9 inches);, brown (7.5YR 4/3) exterior, moist; silty clay; moderate medium prismatic parts to moderate fine and medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 0.2 fine and medium roots throughout; 0.5 fine irregular pores; 20 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 3 percent fine iron-manganese concretions throughout and 10 percent fine irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron throughout; 2 percent by volume nonflat angular 5-?-20 millimeter limestone, unspecified fragments; noneffervescent; gradual wavy boundary. Lab sample # KSUR1828. discontinuous - phpvsfiid 328294; discontinuous - phpvsfiid 328294
    3Bt2—104 to 132 centimeters (40.9 to 52.0 inches);, dark brown (7.5YR 3/3) exterior, moist; clay; moderate medium prismatic structure; very hard, very firm, very sticky, very plastic; 0.2 fine roots throughout; 0.5 fine irregular pores; 25 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 5 percent fine iron-manganese concretions throughout and 15 percent fine irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron throughout; 2 percent by volume nonflat angular 5-?-20 millimeter limestone, unspecified fragments; noneffervescent; gradual wavy boundary. Lab sample # KSUR1829. discontinuous - phpvsfiid 328295; discontinuous - phpvsfiid 328295
    3Bt3—132 to 178 centimeters (52.0 to 70.1 inches);, dark brown (7.5YR 3/3) exterior, moist; clay; moderate medium prismatic structure; very hard, very firm, very sticky, very plastic; 0.2 fine roots throughout; 0.5 fine irregular pores; 15 percent very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 5 percent fine iron-manganese concretions throughout and 15 percent fine irregular strong brown (7.5YR 4/6), moist, masses of oxidized iron throughout; 3 percent by volume nonflat angular 5-?-20 millimeter limestone, unspecified fragments; noneffervescent; abrupt smooth boundary. Lab sample # KSUR1830. discontinuous - phpvsfiid 328296; discontinuous - phpvsfiid 328296
    4Cr—178 to 185 centimeters (70.1 to 72.8 inches); fragments.