IDENTIFIERS

  • Current Taxon Name (Soil Name): Slidell
  • OSD
  • Series Extent
  • User Site ID: S1957TX309090
  • User Pedon ID: S1957TX309090
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A4576
  • NCSS Pedon Lab Data NASIS Record ID - 40728
  • Print Date: 11/24/2024
  • 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: 31.3783340
  • Std. Longitude: -97.4413910
  • Datum: WGS84
  • Location Description: McGregor Livestock and Forage Research Center, .3 miles E of Neff Park Road, along E-W road on S end of farm.
  • State: Texas
  • County: TX309—McLennan
  • MLRA: 85—Grand Prairie
  • Non-MLRA Soil Survey Area: TX309—McLennan County, Texas
  • 7.5 Minute USGS Quad: 31097-D4—McGregor, Texas
  • PEDON

  • Describers Name: L. A. Nelson and C. L Godfrey
  • Current Taxonomic Class: Fine, smectitic, thermic Udic Haplusterts
  • 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 #: 90
  • Correlated Information:
  • Soil Name - Slidell
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/11/2015
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Branyon
  • Classificaton Date - 8/7/1957
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: clayey alluvium over residuum weathered from limestone
  • Landscape: upland
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/7/1957 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    slickensides

    calcic horizon

    0—112

    74—163

    112—183

    —-

    —-

    —-

    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

    247

    Ap—0 to 15 centimeters (0.0 to 5.9 inches);, dark gray (2.5Y 4/1), moist; silty clay; strong fine granular structure; hard, friable, moderately sticky, moderately plastic; many (10.0) roots; 2 percent fine carbonate concretions; 1 percent by volume 2-?-5 millimeter chert fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A34904
    A1—15 to 33 centimeters (5.9 to 13.0 inches);, very dark gray (2.5Y 3/1), moist; silty clay; moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; many (10.0) roots; 2 percent fine carbonate concretions; 1 percent by volume 2-?-5 millimeter chert fragments; strong effervescence; gradual smooth boundary. Lab sample # 40A34905
    A2—33 to 74 centimeters (13.0 to 29.1 inches);, very dark gray (2.5Y 3/1), moist; silty clay; moderate fine angular blocky structure; hard, firm, moderately sticky, moderately plastic; common (3.0) roots; 1 percent by volume 2-?-5 millimeter chert fragments; strong effervescence; gradual wavy boundary. Lab sample # 40A34906
    Bss—74 to 112 centimeters (29.1 to 44.1 inches);, dark gray (2.5Y 4/1), moist; silty clay; moderate medium angular blocky structure; hard, firm, slightly sticky, moderately plastic; common (2.0) roots; slickensides (pedogenic); 2 percent fine carbonate concretions; 1 percent by volume 2-?-5 millimeter chert fragments; strong effervescence; gradual wavy boundary. Lab sample # 40A34907
    Bkss1—112 to 137 centimeters (44.1 to 53.9 inches);, dark gray (2.5Y 4/1), moist; silty clay; weak medium angular blocky structure; hard, firm, moderately sticky, moderately plastic; slickensides (pedogenic); 5 percent carbonate masses; 1 percent by volume 2-?-5 millimeter chert fragments; strong effervescence; gradual wavy boundary. Lab sample # 40A34908
    Bkss2—137 to 163 centimeters (53.9 to 64.2 inches);, dark gray (5Y 4/1), moist; silty clay; 3 percent brown (10YR 4/3) and 3 percent brown (10YR 5/3) mottles; weak coarse angular blocky structure; hard, firm, slightly sticky, moderately plastic; slickensides (pedogenic); 2 percent iron-manganese concretions; fragments; strong effervescence; diffuse wavy boundary. Lab sample # 40A34909
    BCk—163 to 183 centimeters (64.2 to 72.0 inches);, dark grayish brown (10YR 4/2) and yellowish brown (10YR 5/4), moist; silty clay; weak coarse angular blocky structure; hard, firm, nonsticky, moderately plastic; 2 percent iron-manganese concretions and 10 percent carbonate masses; fragments; violent effervescence. Lab sample # 40A34910