IDENTIFIERS

  • Current Taxon Name (Soil Name): Gachado
  • OSD
  • Series Extent
  • User Site ID: S1971AZ019002
  • User Pedon ID: S1971AZ019002
  • Vegetation Plot ID: S1971AZ019002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 71C0003
  • NCSS Pedon Lab Data NASIS Record ID - 13223
  • 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: 31.9833336
  • Std. Longitude: -112.8080521
  • Datum: WGS84
  • Township: 16S
  • Range: 5W
  • Section: 32
  • PLSS Details: Approximately 5/16 mile east of the SW corner
  • Location Description: about 6 miles north of Lukeville just east of Highway 85.
  • State: Arizona
  • County: AZ019—Pima

    • PEDON

  • Describers Name: Y. H. Havens
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Gachado
  • Taxonomic Class - Loamy, mixed Lithic Haplargids
  • Classificaton Date - 4/5/1971
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/5/1971 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • 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

    CAGI7

    PARKI2

    PARKI2

    Carnegia gigantea

    Parkinsonia

    Parkinsonia

    saguaro

    paloverde

    paloverde

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    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

    6

    —

    —

    564

    —

    180

    254

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    21.7

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    A—0 to 5 centimeters (0.0 to 2.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; very gravelly sandy loam; weak medium platy structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots; 3.0 fine vesicular pores; 90 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; moderately alkaline, pH 8.0, thymol-blue; abrupt wavy boundary. Lab sample # 71C00013; dry when described;. 50 to 90 percent of surface is covered with gravel
    B21T—5 to 11 centimeters (2.0 to 4.3 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; gravelly sandy clay loam; moderate fine and medium subangular blocky structure; hard when dry, friable, slightly sticky, moderately plastic; 0.5 very fine and fine roots; 0.5 very fine tubular and 3.0 interstitial pores; 20 percent by volume 2-39-75 millimeter unspecified fragments; noneffervescent; moderately alkaline, pH 8.0, thymol-blue; clear wavy boundary. Lab sample # 71C00014; dry when described;
    B22T—11 to 21 centimeters (4.3 to 8.3 inches); yellowish red (5YR 4/6), yellowish red (5YR 4/6), moist; clay loam; moderate medium prismatic parts to moderate medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 0.5 very fine tubular pores; 10 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.0, thymol-blue; clear wavy boundary. Lab sample # 71C00015; dry when described;
    B3TCA—21 to 33 centimeters (8.3 to 13.0 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; very gravelly sandy clay loam; weak medium and coarse subangular blocky structure; hard when dry, friable, slightly sticky, moderately plastic; 0.5 very fine roots; 3.0 fine interstitial and 0.5 fine tubular pores; 20 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.3, thymol-blue; abrupt irregular boundary. Lab sample # 71C00016; dry when described;
    R—33 to 43 centimeters (13.0 to 16.9 inches); dark gray (5YR 4/1), very dark gray (7.5YR 3/1), moist; extremely hard; pinkish white (7.5YR 8/2) carbonate coats; fragments. Lab sample # 71C00017; dry when described;. with thin pinkish white lime coatings on upper surface