IDENTIFIERS

  • Current Taxon Name (Soil Name): Trigo
  • OSD
  • Series Extent
  • User Site ID: S1969CA061003
  • User Pedon ID: S1969CA061003
  • Vegetation Plot ID: S1969CA061003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 69C0013
  • NCSS Pedon Lab Data NASIS Record ID - 43604
  • 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: 38.7663879
  • Std. Longitude: -121.3550034
  • Datum: WGS84
  • Township: 10N
  • Range: 6E
  • Section: 30
  • PLSS Details: 38 feet north and 700 feet east of SW corner
  • Location Description: John Fiddyment ranch approximately 3.7 miles northwest of Roseville, California.
  • State: California
  • County: CA061—Placer
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA620—Placer County, California, Western Part
  • PEDON

  • Describers Name: G. M. Kennedy, T. M. Ryan
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, thermic Entic Durochrepts
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Trigo
  • PSC - 0 to 36 cm.
  • Classificaton Date - 7/23/2007
  • Sampled As Information:
  • Soil Name - Trigo Hardpan
  • Classificaton Date - 5/6/1969
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: terrace
  • Runoff: high
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/6/1969 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    MEPO3

    TRHI4

    TRIN3

    Medicago polymorpha

    Trifolium hirtum

    Trifolium incarnatum

    burclover

    rose clover

    crimson clover

    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

    5

    32

    135

    635

    16.1

    AP—0 to 23 centimeters (0.0 to 9.1 inches); brown (7.5YR 4/4) and dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; loam; 3 percent very pale brown (10YR 7/3) fine faint mottles; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots; 21.0 very fine interstitial and tubular pores; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # 69C00063; moist when described;
    B—23 to 36 centimeters (9.1 to 14.2 inches); brown (7.5YR 4/4), pale brown (10YR 6/3), dry; loam; 3 percent very pale brown (10YR 7/4) fine distinct mottles; massive; slightly hard, friable, slightly sticky, moderately plastic; 0.5 very fine roots; 21.0 very fine and 3.0 fine interstitial and tubular pores; fragments; slightly acid, pH 6.5, unspecified; abrupt smooth boundary. Lab sample # 69C00064; moist when described;
    2C1SIM—36 to 51 centimeters (14.2 to 20.1 inches); light olive brown (2.5Y 5/4), very pale brown (10YR 8/3), dry; silt loam; massive; extremely hard, very firm, slightly sticky, slightly plastic; 0.5 very fine and fine tubular pores; very pale brown (10YR 7/4) black stains and 1 percent clay films on rock fragments; fragments; moderately alkaline, pH 8.0, unspecified; abrupt smooth boundary. Lab sample # 69C00065; moist when described;
    2C2SI—51 to 79 centimeters (20.1 to 31.1 inches); yellowish brown (10YR 5/4), light gray (2.5Y 7/2), dry; sandy loam; massive; slightly hard, firm, nonsticky, nonplastic; 0.5 very fine and fine tubular pores; clay bridges between sand grains and 1 percent clay films in root channels and/or pores; fragments; slightly alkaline, pH 7.7, unspecified; clear smooth boundary. Lab sample # 69C00066; moist when described;
    2C3—79 to 105 centimeters (31.1 to 41.3 inches); brown (10YR 4/3), light gray (2.5Y 7/2), dry; loamy sand; massive; hard when dry, very firm, nonsticky, nonplastic; fragments; slightly alkaline, pH 7.5, unspecified; clear wavy boundary. Lab sample # 69C00067; moist when described;