IDENTIFIERS

  • Current Taxon Name (Soil Name): Willamette
  • OSD
  • Series Extent
  • User Site ID: 08-DRJ-05
  • User Pedon ID: S2008OR071001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0802
  • NCSS Pedon Lab Data NASIS Record ID - 24482
  • Print Date: 5/30/2024
  • 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: 45.2247772
  • Std. Longitude: -123.2312241
  • Datum: WGS84
  • Township: 4 S.
  • Range: 4 W.
  • Section: 18
  • Country: US—United States
  • State: Oregon
  • County: OR071—Yamhill
  • MLRA: 2—Willamette and Puget Sound Valleys
  • Non-MLRA Soil Survey Area: OR071—Yamhill County, Oregon
  • PEDON

  • Describers Name: David Johnson
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Pachic Ultic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Willamette
  • Classificaton Date - 6/15/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Willamette
  • Classificaton Date - 12/8/2006
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: glaciolacustrine deposits
  • Landscape: valley
  • Landform: terrace
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/8/2006 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Air Temp - 9
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—58

    58—152

    —-

    —-

    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

    1

    51.5

    A—0 to 33 centimeters (0.0 to 13.0 inches); grayish brown (10YR 5/2), dark brown (10YR 3/3), moist; silt loam; 5 percent sand; 70 percent silt; 25 percent clay; moderate medium subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 10.0 very fine roots and 4.0 fine roots; fragments; abrupt wavy boundary. Lab sample # 09N02693; moist when described; observed in pit, small
    BA—33 to 58 centimeters (13.0 to 22.8 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; silty clay loam; 5 percent sand; 67 percent silt; 28 percent clay; moderate coarse subangular blocky structure; moderately hard, friable, slightly sticky, moderately plastic; 4.0 very fine roots and 1.0 fine roots; 50 percent gray (10YR 6/1), dry, silt coats on all faces of peds; fragments; clear wavy boundary. Lab sample # 09N02694; moist when described; observed in pit, small
    Bt—58 to 93 centimeters (22.8 to 36.6 inches);, brown (10YR 4/3), moist; silty clay loam; 5 percent sand; 66 percent silt; 29 percent clay; moderate coarse subangular blocky, and weak coarse prismatic structure; very hard, friable, moderately sticky, moderately plastic; 2.0 very fine roots and 0.5 fine roots; 10 percent brown (7.5YR 4/4), dry, and brown (10YR 4/3), moist, clay films on all faces of peds and 10 percent brown (10YR 4/3), moist, and brown (7.5YR 4/4), dry, clay films on surfaces along pores; fragments; clear wavy boundary. Lab sample # 09N02695; moist when described; observed in pit, small
    BCt—93 to 152 centimeters (36.6 to 59.8 inches);, brown (10YR 4/3), moist; silty clay loam; 5 percent sand; 62 percent silt; 33 percent clay; moderate coarse subangular blocky, and moderate very coarse subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 1.0 very fine roots; 50 percent brown (10YR 4/3), moist, and brown (7.5YR 4/4), dry, clay films on surfaces along pores and 50 percent brown (10YR 4/3), moist, and brown (7.5YR 4/4), dry, clay films on all faces of peds; 5 percent olive gray (5Y 5/2) iron depletions on faces of peds; fragments. Lab sample # 09N02696; moist when described; observed in pit, small