IDENTIFIERS

  • Current Taxon Name (Soil Name): Willamette
  • OSD
  • Series Extent
  • User Site ID: S2012OR003002
  • User Pedon ID: S2012OR003002
  • User Site Association ID: PMC cover crop study
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 13N0420
  • NCSS Pedon Lab Data NASIS Record ID - 73051
  • Print Date: 12/17/2024
  • 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: 44.6259840
  • Std. Longitude: -123.2173030
  • Datum: WGS84
  • Map Unit: 169—Willamette silt loam, 0 to 3 percent slopes
  • State: Oregon
  • County: OR003—Benton
  • MLRA: 2—Willamette and Puget Sound Valleys
  • Regional Office: 1—Portland, OR
  • MLRA Soil Survey Area: NW-SAL—Salem, Oregon
  • Non-MLRA Soil Survey Area: OR003—Benton County, Oregon
  • PEDON

  • Describers Name: Ron Raney
  • 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: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Willamette
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Pachic Ultic Argixerolls
  • Taxon Kind - series
  • PSC - 61 to 111 cm.
  • Classificaton Date - 10/16/2012
  • Classifier - Ron Raney
  • Soil Taxonomic Edition - eleventh edition
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Agronomic Feature - alleyway with cover
  • Current Crop - grass-clover
  • Residue Description - grass strip between fields
  • Hydric: no


  • SITE

  • Landform: broad valley terrace
  • Geomorphic Component Terraces: tread
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/19/2012 (actual site observation date)
  • Data Collector: Ron Raney
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 29
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—61

    61—111

    —-

    —-

    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

    68

    Ap1—0 to 12 centimeters (0.0 to 4.7 inches);, dark brown (10YR 3/3) broken face, moist; silt loam; 24 percent clay; moderate fine granular, and moderate medium granular structure; hard, friable, slightly sticky, moderately plastic; many (20.0) very fine roots and common (1.0) medium roots and common (2.0) fine roots; many (15.0) very fine interstitial and common (2.0) fine interstitial pores; fragments; abrupt smooth boundary. Lab sample # 13N01689; slightly dry when described; observed in trench
    Ap2—12 to 33 centimeters (4.7 to 13.0 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 24 percent clay; moderate fine subangular blocky structure; hard, friable, slightly sticky, moderately plastic; many (15.0) very fine roots and common (1.0) medium roots and common (1.0) fine roots; many (15.0) very fine interstitial and many (5.0) fine interstitial pores; fragments; clear smooth boundary. Lab sample # 13N01690; slightly moist when described; observed in trench
    BA—33 to 61 centimeters (13.0 to 24.0 inches);, 10Y 3/3 (10Y 3/3) broken face, moist; silt loam; 25 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; many (10.0) very fine roots and common (1.0) medium roots and common (1.0) fine roots; many (10.0) very fine dendritic tubular and common (1.0) medium tubular pores; fragments; clear wavy boundary. Lab sample # 13N01691; slightly moist when described; observed in trench
    2Bt1—61 to 76 centimeters (24.0 to 29.9 inches);, 10Y 4/3 (10Y 4/3) broken face, moist; silty clay loam; 29 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, friable, slightly sticky, moderately plastic; many (10.0) very fine roots and common (1.0) fine roots; common (5.0) very fine tubular and common (1.0) medium dendritic tubular pores; 5 percent distinct clay films on all faces of peds and 10 percent distinct clay films on surfaces along pores; fragments; clear wavy boundary. Lab sample # 13N01692; slightly moist when described; observed in trench
    2Bt2—76 to 97 centimeters (29.9 to 38.2 inches);, brown (7.5YR 4/3) broken face, moist; silty clay loam; 29 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, friable, slightly sticky, moderately plastic; many (8.0) very fine roots and common (1.0) fine roots; many (10.0) very fine dendritic tubular and common (1.0) medium tubular pores; 5 percent distinct clay films on surfaces along pores and 20 percent distinct clay films on all faces of peds; fragments; clear wavy boundary. Lab sample # 13N01693; moist when described; observed in trench
    3BCt1—97 to 125 centimeters (38.2 to 49.2 inches);, brown (7.5YR 4/3) broken face, moist; silty clay loam; 29 percent clay; moderate coarse subangular blocky, and weak coarse prismatic structure; hard, friable, slightly sticky, moderately plastic; many (5.0) very fine roots and common (1.0) fine roots; many (5.0) very fine dendritic tubular and common (1.0) medium tubular pores; 5 percent distinct clay films on vertical faces of peds and 5 percent faint clay films on surfaces along root channels; fragments; clear wavy boundary. Lab sample # 13N01694; moist when described; observed in trench
    3BCt2—125 to 160 centimeters (49.2 to 63.0 inches);, brown (10YR 4/3) broken face, moist; silt loam; 26 percent clay; weak coarse subangular blocky structure; slightly sticky, moderately plastic; many (5.0) very fine roots and common (1.0) fine roots; many (5.0) very fine dendritic tubular pores; 5 percent faint clay films on vertical faces of peds; 1 percent fine prominent dark yellowish brown (10YR 4/6), moist, iron-manganese masses; fragments; clear wavy boundary. Lab sample # 13N01695; moist when described; observed in trench