IDENTIFIERS

  • Current Taxon Name (Soil Name): Yeguas
  • OSD
  • Series Extent
  • User Site ID: S1984CA079033
  • User Pedon ID: 84CA079033
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0928
  • NCSS Pedon Lab Data NASIS Record ID - 55716
  • 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: 35.3791656
  • Std. Longitude: -120.0333328
  • Datum: WGS84
  • Township: 29S
  • Range: 18E
  • Section: 22
  • PLSS Details: 793 meters E and 18 meters N of the SW corner
  • Location Description: LA Panza NE Quad
  • State: California
  • County: CA079—San Luis Obispo
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • PEDON

  • Describers Name: Eric Vinson and Richard Johnson
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Mollic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 33
  • Correlated Information:
  • Soil Name - Yeguas
  • PSC - 47 to 90 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Yeguas
  • Taxonomic Class - Fine-loamy, mixed, thermic Mollic Haploxeralf
  • Taxon Kind - series
  • Classificaton Date - 9/1/1984
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: bolson
  • Landform: plain
  • Anthropogenic Feature: leveled land
  • Slope Shape Down: linear
  • Runoff: low
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1984 (actual site observation date)
  • Microrelief Elevation: 1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—47

    47—90

    —-

    —-

    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

    2

    631

    90

    200

    15

    25

    8

    18

    25

    11

    1Ap1—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2), moist; loam; strong coarse and very coarse cloddy structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 0.5 very fine and fine discontinuous tubular pores; fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 84P05258; dry when described;. few very fine roots throughout
    1Ap2—8 to 28 centimeters (3.1 to 11.0 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2), moist; loam; massive; very hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 0.5 very fine discontinuous tubular pores; fragments; slightly alkaline, pH 7.5, hellige-truog; gradual smooth boundary. Lab sample # 84P05259; dry when described;. few very fine roots throughout
    1A—28 to 47 centimeters (11.0 to 18.5 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2), moist; loam; massive; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 2.5 very fine discontinuous tubular and 0.5 fine and medium discontinuous tubular pores; fragments; slightly alkaline, pH 7.5, hellige-truog; gradual wavy boundary. Lab sample # 84P05260; moist when described;. few very fine roots throughout
    1Bt1—47 to 60 centimeters (18.5 to 23.6 inches); 50 percent light brownish gray (10YR 6/2) exterior and 50 percent light yellowish brown (10YR 6/4) interior, 50 percent dark grayish brown (10YR 4/2) and 50 percent yellowish brown (10YR 5/4) interior, moist; clay loam; massive; very hard, friable, moderately sticky, moderately plastic; 0.5 very fine roots throughout; 2.5 very fine discontinuous tubular pores; 15 percent , moist, clay films in root channels and/or pores and 15 percent , moist, clay films on faces of peds; fragments; slightly alkaline, pH 7.5, hellige-truog; gradual wavy boundary. Lab sample # 84P05261; moist when described;. few clay films surface features in root channels and/or pores; few clay films surface features on faces of peds; few very fine roots throughout
    1Bt2—60 to 90 centimeters (23.6 to 35.4 inches); light yellowish brown (10YR 6/4) exterior, yellowish brown (10YR 5/4), moist; clay loam; strong medium angular blocky, and strong coarse angular blocky structure; very hard, friable, very sticky, moderately plastic; 0.5 very fine roots throughout; 0.5 very fine discontinuous tubular pores; 55 percent , moist, clay films on faces of peds; fragments; slightly alkaline, pH 7.5, hellige-truog; clear wavy boundary. Lab sample # 84P05262; moist when described;. The upper 4 of this horizon has tonguing of (10YR 4/2) moist colors on ped faces and also this color is found randomly in some spots of this horizon, might be O.M. stains.; many clay films surface features on faces of peds; few very fine roots throughout
    1C—90 to 113 centimeters (35.4 to 44.5 inches); light yellowish brown (10YR 6/4) exterior, yellowish brown (10YR 5/4), moist; loam; moderate fine angular blocky, and moderate medium angular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine and fine discontinuous tubular pores; fragments; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 84P05263; moist when described;
    1Ck—113 to 129 centimeters (44.5 to 50.8 inches); very pale brown (10YR 7/4) exterior, yellowish brown (10YR 5/4), moist; loam; moderate medium angular blocky structure; hard, friable, slightly sticky, slightly plastic; 11 percent fine irregular lime masses; fragments, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog; clear wavy boundary. Lab sample # 84P05264; moist when described;. common fine soft masses of lime concentrations
    2C—129 to 154 centimeters (50.8 to 60.6 inches); very pale brown (10YR 7/4) exterior, yellowish brown (10YR 5/4), moist; gravelly coarse sandy loam; massive; loose, loose, nonsticky, nonplastic; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 84P05265; moist when described;