IDENTIFIERS

  • Current Taxon Name (Soil Name): Willamette
  • OSD
  • Series Extent
  • User Site ID: S1991OR047002
  • User Pedon ID: 91OR047002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P0748
  • NCSS Pedon Lab Data NASIS Record ID - 63787
  • Print Date: 2/16/2025

    • 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: 45.0416679
  • Std. Longitude: -122.9416656
  • Datum: WGS84
  • Township: 6S
  • Range: 2W
  • Section: 20
  • State: Oregon
  • County: OR047—Marion
  • MLRA: 2—Willamette and Puget Sound Valleys

    • PEDON

  • Describers Name: Langridge, Engel
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Pachic Ultic Haploxerolls
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Willamette
  • PSC - 36 to 86 cm.
  • Classificaton Date - 6/18/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Woodburn
  • Taxonomic Class - Fine-silty, mixed, mesic Aquultic Argixeroll
  • Taxon Kind - series
  • Classificaton Date - 5/1/1991
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    36—140

    —-

    —-
    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

    —

    —

    53

    —

    0

    99

    —

    —

    11

    18

    9

    12

    19

    10

    —

    —

    —

    R7500

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches);, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; weak very fine and fine subangular blocky structure; friable, slightly sticky, slightly plastic; 5.5 very fine roots throughout and 2.5 fine roots throughout; 2.5 very fine and fine tubular and 0.5 medium and coarse tubular pores; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 91P04212. common fine roots throughout; many very fine roots throughout
    A—10 to 36 centimeters (3.9 to 14.2 inches);, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; moderate very fine and fine subangular blocky structure; friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout; 2.5 very fine and fine tubular and 0.5 medium and coarse tubular pores; 1 percent fine and medium irregular masses of dark accumulation; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 91P04213. 1% (7.5YR 4/4) burnt soil fragments; few fine and medium soft dark masses concentrations; common very fine and fine roots throughout
    Bt1—36 to 61 centimeters (14.2 to 24.0 inches);, dark brown (10YR 3/3) crushed, moist; silt loam; moderate fine subangular blocky structure; friable, slightly sticky, slightly plastic; 0.5 very fine roots; 2.5 very fine and fine tubular and 0.5 medium and coarse tubular pores; 15 percent faint dark brown (10YR 3/3), moist, clay films on faces of peds and in pores; 1 percent by volume 2-39-75 millimeter unspecified fragments; clear smooth boundary. Lab sample # 91P04214. few clay films surface features on faces of peds and in pores; few very fine roots; discontinuous - phpvsfiid 226953; discontinuous - phpvsfiid 226953
    Bt2—61 to 91 centimeters (24.0 to 35.8 inches);, dark brown (10YR 3/3) crushed, moist; silt loam; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; 2.5 very fine and fine tubular and 0.5 medium and coarse tubular pores; 15 percent faint dark brown (10YR 3/3), moist, clay films on faces of peds and in pores; fragments; clear smooth boundary. Lab sample # 91P04215. few clay films surface features on faces of peds and in pores; discontinuous - phpvsfiid 226954; discontinuous - phpvsfiid 226954
    BCtx1—91 to 109 centimeters (35.8 to 42.9 inches);, brown (10YR 4/3) crushed, moist; silt loam; 1 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; weak medium subangular blocky structure; firm, slightly sticky, slightly plastic; brittle; 2.5 very fine and fine tubular and 0.5 coarse tubular pores; 37 percent faint dark brown (10YR 3/3), moist, clay films on faces of peds and in pores; fragments; gradual smooth boundary. Lab sample # 91P04216. 30% brittle; common clay films surface features on faces of peds and in pores; few fine distinct 2.5Y42 mottles; discontinuous - phpvsfiid 226955; discontinuous - phpvsfiid 226955
    BCtx2—109 to 140 centimeters (42.9 to 55.1 inches);, brown (10YR 4/3) crushed, moist; silt loam; 30 percent dark grayish brown (2.5Y 4/2) coarse distinct mottles; weak coarse subangular blocky structure; firm, slightly sticky, slightly plastic; brittle; 2.5 very fine and fine tubular pores; 37 percent faint dark brown (10YR 3/3), moist, clay films on faces of peds and in pores; fragments. Lab sample # 91P04217. 100% brittle; band or halo of (7.5YR 6/6) 2 mm thick around grayish mottles; common clay films surface features on faces of peds and in pores; many coarse distinct 2.5Y42 mottles; discontinuous - phpvsfiid 226956; discontinuous - phpvsfiid 226956