IDENTIFIERS

  • Current Taxon Name (Soil Name): Red Bluff
  • OSD
  • Series Extent
  • User Site ID: S1945CA103010
  • User Pedon ID: S1945CA103010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2912
  • NCSS Pedon Lab Data NASIS Record ID - 37491
  • Print Date: 11/23/2024

    • 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: 40.1497231
  • Std. Longitude: -122.3063889
  • Datum: WGS84
  • Township: 27N
  • Range: 4W
  • Section: 34
  • PLSS Details: NE1/4 SW1/4
  • State: California
  • County: CA103—Tehama
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Non-MLRA Soil Survey Area: CA645—Tehama County, California

    • PEDON

  • Describers Name: R. C. Roberts and R. A. Gardner
  • Current Taxonomic Class: Fine, kaolinitic, thermic Ultic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 10
  • Correlated Information:
  • Soil Name - Red Bluff
  • PSC - 39 to 89 cm.
  • Classificaton Date - 7/23/2007
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - RED BLUFF
  • Classificaton Date - 4/4/1945
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: valley
  • Landform: terrace
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/4/1945 (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
    • 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

    —

    —

    —

    122

    —

    610

    —

    —

    16.7

    27.8

    7.2

    —

    —

    —

    —

    —

    —

    —

    —
    AP—0 to 20 centimeters (0.0 to 7.9 inches); reddish brown (5YR 4/4), dark reddish brown (2.5YR 3/4), moist; gravelly clay loam; granular structure; slightly hard, friable, slightly plastic; 21.0 roots; fragments; strongly acid, pH 5.1, unspecified; clear smooth boundary. Lab sample # 40A22962; moist when described;. manganese oxide present.
    A12—20 to 39 centimeters (7.9 to 15.4 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/4), moist; gravelly clay loam; granular structure; slightly hard, friable, slightly plastic; 21.0 roots; fragments; very strongly acid, pH 4.7, unspecified; gradual boundary. Lab sample # 40A22963; moist when described;. manganese oxide present.
    B1T—39 to 58 centimeters (15.4 to 22.8 inches); reddish brown (5YR 4/4), reddish brown (5YR 4/4), moist; gravelly clay loam; granular structure; slightly hard, friable, slightly plastic; 21.0 roots; fragments; very strongly acid, pH 4.9, unspecified; abrupt irregular boundary. Lab sample # 40A22964; moist when described;. manganese oxide present, concentrations appears to be highest in this layer.
    B21T—58 to 81 centimeters (22.8 to 31.9 inches); red (10R 4/6), dark red (10R 3/6), moist; clay; strong subangular blocky structure; hard when dry, firm, weakly coherent, moderately plastic; fragments; very strongly acid, pH 5.0, unspecified; gradual boundary. Lab sample # 40A22965; moist when described;. manganese oxide present; layer contains numerous cavities that appear to be old rodent runways.
    B22T—81 to 102 centimeters (31.9 to 40.2 inches); red (10R 4/6), red (10R 4/6), moist; gravelly clay; strong subangular blocky structure; hard when dry, firm, weakly coherent, moderately plastic; 0.5 fine roots; fragments; very strongly acid, pH 5.0, unspecified; gradual boundary. Lab sample # 40A22966; moist when described;. layer contains numerous cavities that appear to be old rodent runways.
    B23T—102 to 137 centimeters (40.2 to 53.9 inches); red (2.5YR 4/6), red (10R 4/6), moist; gravelly clay loam; strong subangular blocky structure; hard when dry, firm, weakly coherent, moderately plastic; 0.5 fine roots; fragments; very strongly acid, pH 4.6, unspecified; gradual boundary. Lab sample # 40A22967; moist when described;. layer contains numerous cavities that appear to be old rodent runways, these appear to be more numerous in this layer than in other layers.
    B24T—137 to 152 centimeters (53.9 to 59.8 inches); red (2.5YR 4/6), red (10R 4/6), moist; gravelly clay loam; strong subangular blocky structure; hard when dry, firm, weakly coherent, moderately plastic; 0.1 roots; fragments; very strongly acid, pH 4.6, unspecified. Lab sample # 40A22968; moist when described;. some reticulate mottling; manganese oxide present.