IDENTIFIERS

  • Current Taxon Name (Soil Name): Irwin
  • OSD
  • Series Extent
  • User Site ID: 89KS161045
  • User Pedon ID: 89KS161045
  • User Site Association ID: Fort Riley LCTA
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - 90P0080
  • NCSS Pedon Lab Data NASIS Record ID - 62013
  • Print Date: 2/16/2025

    • LOCATION

  • Township: 10 S
  • Range: 6 E
  • Section: 30
  • PLSS Details: 1300 feet west and 1500 feet north of the southeast corner
  • State: Kansas
  • County: KS161—Riley
  • MLRA: 26—Carson Basin and Mountains
  • Non-MLRA Soil Survey Area: KS161—Riley County, Kansas
  • 7.5 Minute USGS Quad: 39096-B7—Fort Riley NE, Kansas

    • PEDON

  • Describers Name: Fortner, J., Watt, C., Wehmueller, W.
  • Current Taxonomic Class: Fine, mixed, superactive, mesic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Purpose: research site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Irwin
  • Taxonomic Class - Fine, mixed, superactive, mesic Pachic Argiustolls
  • Taxon Kind - series
  • Classificaton Date - 10/3/1989
  • Moisture Class - ustic
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/3/1989 (actual site observation date)
  • Air Photo ID: 29
  • Surface Cover Properties:
  • 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

    0—15

    5—38

    —15—

    —33—
    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

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 5 centimeters (0.0 to 2.0 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; strong very fine and fine subangular blocky structure; very hard, firm; 10.0 fine roots throughout; fragments; abrupt smooth boundary. 90P0543
    Bt1—5 to 15 centimeters (2.0 to 5.9 inches);, very dark grayish brown (10YR 3/2) and dark brown (10YR 3/3), moist; silty clay; moderate medium and coarse subangular blocky structure; extremely hard, very firm; fragments; clear smooth boundary. 90P0544
    Bt2—15 to 38 centimeters (5.9 to 15.0 inches); silty clay; moderate medium subangular blocky structure; extremely hard, very firm; fragments. 90P0545