IDENTIFIERS

  • Current Taxon Name (Soil Name): PLACENTIA
  • OSD
  • Series Extent
  • User Site ID: S1965CA053014
  • User Pedon ID: S1965CA053014
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A2916
  • NCSS Pedon Lab Data NASIS Record ID - 37495
  • 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: 36.5344429
  • Std. Longitude: -121.4255524
  • Datum: WGS84
  • Location Description: 40 feet NW of fence, 300 feet SW from base of Reservoir 0.47 mile NE, .72 mile NW from intersection Iverson and Johnson Canyon Roads.
  • State: California
  • County: CA053—Monterey
  • MLRA: 14—Central California Coastal Valleys
  • Non-MLRA Soil Survey Area: CA053—Monterey County, California

    • PEDON

  • Describers Name: Lewis C. Leifer
  • Current Taxonomic Class: Fine, smectitic, thermic Typic Natrixeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 14
  • Correlated Information:
  • Soil Name - PLACENTIA
  • PSC - 33 to 83 cm.
  • Classificaton Date - 11/29/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Placentia
  • Classificaton Date - 5/21/1965
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/21/1965 (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
    • 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

    4

    —

    —

    91

    —

    270

    305

    —

    —

    14.4

    18.3

    10

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 13 centimeters (0.0 to 5.1 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/2), moist; sandy loam; massive; hard when dry, very friable, slightly sticky, slightly plastic; 21.0 very fine roots and 0.5 fine roots; 0.5 very fine to medium tubular and 21.0 very fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 40A22998; dry when described;. *
    Ap2—13 to 32 centimeters (5.1 to 12.6 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/2), moist; sandy loam; weak medium subangular blocky structure; hard when dry, very friable, slightly sticky, slightly plastic; 21.0 very fine roots; 3.0 very fine and fine tubular and 21.0 very fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 40A22999; dry when described;. roots much more numerous in the granular material.
    A2—32 to 33 centimeters (12.6 to 13.0 inches); brown (10YR 5/3), brown (7.5YR 4/4), moist; sandy loam; weak medium platy structure; hard when dry, very friable, slightly sticky, slightly plastic; 0.5 very fine tubular and 21.0 very fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; abrupt smooth boundary. Lab sample # 40A23000; dry when described;. not sampled.
    B21T—33 to 51 centimeters (13.0 to 20.1 inches); dark reddish brown (5YR 3/4), dark reddish brown (5YR 3/4), moist; clay; moderate coarse prismatic structure; extremely hard, very firm, very sticky, very plastic; 21.0 very fine roots; 0.5 very fine tubular and 0.5 very fine interstitial pores; clay films and 30 percent clay bridges on faces of peds; fragments; noneffervescent; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A23001; dry when described;. continuous - phpvsfiid 186904; continuous - phpvsfiid 186905; continuous - phpvsfiid 186904; continuous - phpvsfiid 186905
    B22T—51 to 74 centimeters (20.1 to 29.1 inches); dark reddish brown (5YR 3/3), dark brown (7.5YR 3/4), moist; clay; strong coarse angular blocky structure; extremely hard, very firm, very sticky, very plastic; 21.0 very fine roots; 0.5 very fine tubular and 0.5 very fine interstitial pores; clay films and 10 percent manganese or iron-manganese stains on faces of peds and 30 percent clay bridges on faces of peds; fragments; noneffervescent; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 40A23002; dry when described;. continuous - phpvsfiid 186896; continuous - phpvsfiid 186897; continuous - phpvsfiid 186896; continuous - phpvsfiid 186897
    B24T—56 to 86 centimeters (22.0 to 33.9 inches); strong brown (7.5YR 5/6), dark reddish brown (5YR 3/4), moist; sandy clay loam; moderate medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 21.0 very fine interstitial pores; clay bridges on faces of peds and 75 percent clay films; fragments; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 40A23004; dry when described;. few lime seams trailing down from B23tca.; continuous - phpvsfiid 186895; continuous - phpvsfiid 186895
    B23TCA—74 to 91 centimeters (29.1 to 35.8 inches); reddish brown (5YR 4/4) clay loam; moderate medium angular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 3.0 very fine tubular and 3.0 very fine interstitial pores; clay bridges on faces of peds and 75 percent clay films; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A23003; dry when described;. continuous - phpvsfiid 186893; continuous - phpvsfiid 186893
    B3T—110 to 150 centimeters (43.3 to 59.1 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; sandy clay loam; massive; very hard, friable, moderately sticky, moderately plastic; 0.1 very fine roots; 0.5 very fine and 21.0 very fine interstitial and 0.5 medium tubular pores; clay bridges and 30 percent clay films; fragments; noneffervescent; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 40A23005; dry when described;. this horizon somewhat brittle with weak duripan features.
    C—150 to 175 centimeters (59.1 to 68.9 inches); strong brown (7.5YR 5/6), brown (7.5YR 4/4), moist; gravelly sandy loam; massive; hard when dry, very friable, slightly sticky, slightly plastic; 0.0 roots; 21.0 very fine interstitial and 0.5 fine tubular pores; clay bridges and 30 percent clay films; fragments; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 40A23006; dry when described;. augered to depth of 100 inches without change.
    240 to 255 centimeters (94.5 to 100.4 inches); fragments. Lab sample # 40A23007; dry when described;. auger sample from below base of pit.