IDENTIFIERS

  • Current Taxon Name (Soil Name): Irwin
  • OSD
  • Series Extent
  • User Site ID: 05KS161010
  • User Pedon ID: 05KS161010
  • 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 # - 05KS161010
  • NCSS Pedon Lab Data NASIS Record ID - 40803
  • 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: 39.4212914
  • Std. Longitude: -96.7725525
  • Datum: WGS84
  • Township: 7S
  • Range: 6E
  • Section: 28
  • PLSS Details: NW 1/4 of NW 1/4
  • Location Description: Site is located one mile south of the town of Randolph, Kansas.
  • State: Kansas
  • County: KS161—Riley
  • MLRA: 76—Bluestem Hills
  • Non-MLRA Soil Survey Area: KS161—Riley County, Kansas
  • 7.5 Minute USGS Quad: 39096-D7—Randolph, Kansas

    • PEDON

  • Describers Name: DeAnn Presley
  • Current Taxonomic Class: Fine, smectitic, mesic Typic Paleustolls
  • Pedon Purpose: research site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Irwin
  • Taxonomic Class - Fine, smectitic, mesic Typic Paleustolls
  • PSC - 25 to 75 cm.
  • Classificaton Date - 7/9/2005
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey loess over colluvium over colluvium over residuum
  • Landscape: upland
  • Landform: hillside
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: backslope
  • Slope Complexity: complex
  • Runoff: high
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: at 242cm
  • Geology: Chase group .
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/9/2005 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • 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

    secondary carbonates

    gypsum accumulations

    lithologic discontinuity

    lithologic discontinuity

    lithologic discontinuity

    paralithic contact

    0—48

    25—242

    25—242

    76—114

    114—216

    114—177

    177—242

    242—

    242—

    —48—

    —217—

    —217—

    —38—

    —102—

    —63—

    —65—

    —-

    —-
    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

    —

    —

    380

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1) broken face silty clay loam; 35 percent clay; moderate fine subangular blocky parts to moderate medium subangular blocky structure; slightly hard, friable; 1.0 fine roots top of horizon; 0.5 fine dendritic tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR0944; observed in push tube
    Bt1—25 to 48 centimeters (9.8 to 18.9 inches);, very dark grayish brown (10YR 3/2) broken face and dark grayish brown (10YR 4/2) broken face, moist; silty clay; 42 percent clay; moderate fine prismatic structure; moderately hard, friable; 0.5 fine roots top of horizon; 0.5 fine irregular pores; 5 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent fine distinct iron-manganese masses; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR0945; observed in push tube. continuous - phpvsfiid 327347; continuous - phpvsfiid 327347
    Bt2—48 to 76 centimeters (18.9 to 29.9 inches);, dark grayish brown (10YR 4/2) broken face, moist; clay; 55 percent clay; moderate medium prismatic structure; very hard, very firm; 0.5 very fine roots between peds; 0.5 fine irregular pores; 10 percent distinct dark brown (10YR 3/3), moist, clay films on all faces of peds; 1 percent fine faint dark yellowish brown (10YR 4/6), moist, masses of oxidized iron and 1 percent fine distinct iron-manganese masses; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR0946; observed in push tube. continuous - phpvsfiid 327348; continuous - phpvsfiid 327348
    Btk—76 to 114 centimeters (29.9 to 44.9 inches);, brown (7.5YR 4/3) broken face, moist; silty clay; 44 percent clay; moderate medium prismatic structure; moderately hard, firm; 0.5 very fine roots between peds; 0.5 fine irregular pores; 10 percent distinct dark brown (7.5YR 3/3), moist, clay films on all faces of peds; 1 percent fine faint brown (10YR 5/3), moist, iron-manganese masses and 10 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; 2 percent fine dendritic carbonate masses and 5 percent fine dendritic carbonate nodules; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR0947; observed in push tube. continuous - phpvsfiid 327349; continuous - phpvsfiid 327349
    2Bt—114 to 140 centimeters (44.9 to 55.1 inches);, dark brown (7.5YR 3/3) broken face, moist; silty clay; 40 percent clay; moderate fine prismatic structure; slightly hard, friable; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent distinct dark brown (7.5YR 3/2), moist, clay films on all faces of peds; 5 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; 2 percent fine distinct light brownish gray (10YR 6/2), moist, gypsum masses; 5 percent by volume unspecified fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0948; observed in push tube. continuous - phpvsfiid 327350; continuous - phpvsfiid 327350
    2Bty1—140 to 177 centimeters (55.1 to 69.7 inches);, dark brown (7.5YR 3/3) broken face, moist; silty clay; 40 percent clay; moderate medium subangular blocky structure; slightly hard, friable; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent distinct dark brown (7.5YR 3/2), moist, clay films on all faces of peds; 5 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; 2 percent fine distinct light brownish gray (10YR 6/2), moist, gypsum masses; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0949; observed in push tube. continuous - phpvsfiid 327351; continuous - phpvsfiid 327351
    3Bty2—177 to 216 centimeters (69.7 to 85.0 inches);, reddish brown (5YR 4/4) broken face, moist; silty clay; 40 percent clay; moderate fine prismatic structure; very hard, very firm; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent distinct dark reddish brown (5YR 3/3), moist, clay films on all faces of peds; 2 percent fine distinct yellowish red (5YR 4/6), moist, masses of oxidized iron and 5 percent fine distinct masses of oxidized iron; 1 percent fine distinct light brownish gray (10YR 6/2), moist, gypsum masses; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0950; observed in push tube. continuous - phpvsfiid 327352; continuous - phpvsfiid 327352
    3Bt—216 to 242 centimeters (85.0 to 95.3 inches);, yellowish red (5YR 4/6) broken face and (5YR 4/4) broken face, moist; clay; 50 percent clay; weak fine subangular blocky structure; extremely hard, extremely firm; 0.2 very fine roots between peds; 0.5 fine irregular pores; 10 percent distinct dark reddish brown (5YR 3/3), moist, clay films on all faces of peds; 2 percent fine distinct yellowish red (5YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0951; observed in push tube. continuous - phpvsfiid 327353; continuous - phpvsfiid 327353
    4Cr—242 to 255 centimeters (95.3 to 100.4 inches); 0.2 very fine roots between peds; fragments; noneffervescent, by hcl, 1n.; observed in push tube