IDENTIFIERS

  • Current Taxon Name (Soil Name): Uvalde
  • OSD
  • Series Extent
  • User Site ID: S1984TX463001
  • User Pedon ID: 84TX463001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0456
  • NCSS Pedon Lab Data NASIS Record ID - 54700
  • 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: 29.2444444
  • Std. Longitude: -99.7513889
  • Datum: WGS84
  • Location Description: Uvalde County, Texas. 1.0 mile east on US Highway 90 from its junction with FM 1023 in Uvalde, 1.3 miles north on county road, 0.6 miles east on paved road, 0.3 miles south on field road to irrigation well, 0.3 mile east on field road, 100 feet south in cropland.
  • State: Texas
  • County: TX463—Uvalde
  • MLRA: 83A—Northern Rio Grande Plain
  • Non-MLRA Soil Survey Area: TX463—Uvalde County, Texas
  • 7.5 Minute USGS Quad: 29099-A2—Wilson Ranch, Texas

    • PEDON

  • Describers Name: Jack W. Stevens and Terry Whigham
  • Current Taxonomic Class: Fine-silty, mixed, superactive, hyperthermic Aridic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Uvalde
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/27/2015
  • Classifier - Gary Harris
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Uvalde
  • Taxonomic Class - Fine-silty, mixed, hyperthermic Aridic Calciustolls
  • Taxon Kind - series
  • Classificaton Date - 8/18/1983
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous loamy alluvium
  • Landscape: inland coastal plain
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/18/1983 (actual site observation date)
  • Surface Cover Properties:
  • 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

    0.5

    —

    —

    289.6

    —

    610

    —

    256

    21.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay loam; 22 percent sand; 48 percent silt; 30 percent clay; weak fine and medium subangular blocky structure; hard, friable; 0.5 fine roots; fragments; slightly alkaline, pH 7.6, phenol red; abrupt smooth boundary. Lab sample # 84P02429
    A—15 to 30 centimeters (5.9 to 11.8 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; clay; 17 percent sand; 50 percent silt; 33 percent clay; weak fine and medium subangular blocky structure; hard, friable; 0.1 fine roots; fragments; slightly alkaline, pH 7.5, phenol red; clear smooth boundary. Lab sample # 84P02430
    Bk1—30 to 45 centimeters (11.8 to 17.7 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay; 16 percent sand; 45 percent silt; 39 percent clay; moderate fine and medium subangular blocky structure; very hard, firm; 0.5 fine roots; 0.5 fine pores; fragments; slightly alkaline, pH 7.5, phenol red. Lab sample # 84P02431
    Bk1—45 to 60 centimeters (17.7 to 23.6 inches); brown (10YR 5/3), brown (10YR 4/3), moist; clay; 15 percent sand; 42 percent silt; 43 percent clay; moderate fine and medium subangular blocky structure; very hard, firm; 0.5 fine roots; 0.5 fine pores; fragments; slightly alkaline, pH 7.5, phenol red; gradual wavy boundary. Lab sample # 84P02432
    Bk2—61 to 91 centimeters (24.0 to 35.8 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay; 15 percent sand; 40 percent silt; 45 percent clay; weak fine and medium subangular blocky structure; very hard, firm; 0.5 fine pores; fragments; slightly alkaline, pH 7.4, phenol red; gradual wavy boundary. Lab sample # 84P02433
    Bk3—91 to 122 centimeters (35.8 to 48.0 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; clay loam; 17 percent sand; 43 percent silt; 40 percent clay; weak fine and medium subangular blocky structure; very hard, firm; fragments; neutral, pH 7.3, phenol red; gradual wavy boundary. Lab sample # 84P02434
    Ck—122 to 178 centimeters (48.0 to 70.1 inches); very pale brown (10YR 7/4), yellowish brown (10YR 5/4), moist; silty clay; very hard, firm; fragments.