IDENTIFIERS

  • Current Taxon Name (Soil Name): Huichica
  • OSD
  • Series Extent
  • User Site ID: S1961CA097008
  • User Pedon ID: S1961CA097008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2858
  • NCSS Pedon Lab Data NASIS Record ID - 37437
  • Print Date: 4/28/2025

    • 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: 38.4780540
  • Std. Longitude: -122.7644424
  • Datum: WGS84
  • Township: 7N
  • Range: 8W
  • Section: 5
  • PLSS Details: Northwest corner of SE1/4, SE1/4
  • Location Description: (Matteri Ranch). 165 feet west of fence corner.
  • State: California
  • County: CA097—Sonoma
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA097—Sonoma County, California

    • PEDON

  • Current Taxonomic Class: Fine-loamy, mixed, thermic Typic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 8
  • Correlated Information:
  • Soil Name - Huichica
  • PSC - 61 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Huichica
  • Classificaton Date - 6/26/1961
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Runoff: low
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/26/1961 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    —

    —

    41

    —

    737

    —

    —

    14.4

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; loam; massive; slightly hard, very friable, slightly sticky, moderately plastic; 21.0 very fine and fine roots; 21.0 very fine and fine interstitial and tubular pores; fragments; strongly acid, pH 5.3, unspecified; clear wavy boundary. Lab sample # 40A22560
    A12—20 to 48 centimeters (7.9 to 18.9 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; silt loam; massive; slightly hard, very friable, moderately sticky, moderately plastic; 21.0 very fine and fine roots; 21.0 fine interstitial and tubular pores; 1 percent fine spherical iron-manganese concretions; 21 percent worm casts; fragments; strongly acid, pH 5.3, unspecified; clear wavy boundary. Lab sample # 40A22561
    A2—48 to 61 centimeters (18.9 to 24.0 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; silty clay loam; massive; very friable, moderately sticky, moderately plastic; 21.0 very fine and fine roots; 21.0 fine interstitial and tubular pores; 1 percent spherical iron-manganese concretions; fragments; moderately acid, pH 5.7, unspecified; abrupt wavy boundary. Lab sample # 40A22562. A thin white layer concentrated at bottom of this horizon is only a few millimeters thick, too thin to sample.
    B2t—61 to 79 centimeters (24.0 to 31.1 inches); light brownish gray (10YR 6/2), brown (10YR 5/3), moist; sandy clay loam; 3 percent yellowish brown (10YR 5/4) fine distinct mottles; weak coarse prismatic, and columnar parts to weak angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 21.0 very fine and fine roots; 3.0 very fine and fine tubular pores; clay films on faces of peds and in pores; 1 percent spherical iron-manganese concretions; fragments; moderately acid, pH 5.7, unspecified; diffuse irregular boundary. Lab sample # 40A22563. continuous - phpvsfiid 187251; continuous - phpvsfiid 187251
    B3tg—79 to 107 centimeters (31.1 to 42.1 inches); light brownish gray (10YR 6/2) and light gray (10YR 7/2), grayish brown (2.5Y 5/2), moist; gravelly clay loam; 3 percent light yellowish brown (10YR 6/4) fine distinct mottles; massive parts to weak coarse prismatic; firm, slightly sticky, slightly plastic; 21.0 roots; 3.0 very fine and fine interstitial and tubular pores; dusky red (10R 3/3), moist, manganese or iron-manganese stains and clay films on faces of peds and in pores; fragments; clear wavy boundary. Lab sample # 40A22564. Roots are dead; small lenses and knots of weakly cemented material in this horizon.; continuous - phpvsfiid 187253; continuous - phpvsfiid 187253
    C1mg—107 to 122 centimeters (42.1 to 48.0 inches); grayish brown (2.5Y 5/2), light olive brown (2.5Y 5/4), moist; gravelly clay loam; 3 percent light olive brown (2.5Y 5/4) fine distinct mottles; massive; nonsticky, nonplastic; 3.0 very fine and fine interstitial and tubular pores; dusky red (10R 3/3), moist, manganese or iron-manganese stains and clay films in root channels and/or pores; fragments; moderately acid, pH 5.7, unspecified; abrupt wavy boundary. Lab sample # 40A22565. Dead roots in fracture planes; spotty weak cementation and thin cemented layer at top of horizon.; continuous - phpvsfiid 196776; continuous - phpvsfiid 196776
    IIC2mg—122 to 137 centimeters (48.0 to 53.9 inches); light brownish gray (2.5Y 6/2), dark grayish brown (10YR 4/2), moist; 3 percent grayish brown (2.5Y 5/2) fine faint mottles; massive; strongly coherent, nonsticky, nonplastic; very fine and fine roots; 3.0 very fine and fine interstitial and tubular pores; dusky red (10R 3/3), moist, manganese or iron-manganese stains and clay films on vertical faces of peds; fragments; moderately acid, pH 6.0, unspecified; clear irregular boundary. Lab sample # 40A22566. Roots are dead; this is a strongly cemented layer so texture is not recorded.; continuous - phpvsfiid 187240; continuous - phpvsfiid 187240
    IIC3—137 to 168 centimeters (53.9 to 66.1 inches); light brownish gray (2.5Y 6/2), olive brown (2.5Y 4/4), moist; gravelly clay loam; 3 percent olive brown (2.5Y 4/4) fine faint mottles; massive; slightly sticky, slightly plastic; 3.0 very fine and fine tubular pores; dusky red (10R 3/3), moist, manganese or iron-manganese stains and clay films in root channels and/or pores; 1 percent iron-manganese concretions; fragments; slightly acid, pH 6.5, unspecified. Lab sample # 40A22567. weak spotty cementation; dead roots on fracture planes.; continuous - phpvsfiid 187242; continuous - phpvsfiid 187242