IDENTIFIERS

  • Current Taxon Name (Soil Name): Czar
  • OSD
  • Series Extent
  • User Site ID: 83C-TX131-112Ac
  • User Pedon ID: S01TX-131-001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 01N0874
  • NCSS Pedon Lab Data NASIS Record ID - 15161
  • Print Date: 10/31/2024
  • 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: 28.0312500
  • Std. Longitude: -98.2893906
  • Datum: WGS84
  • Location Description: Duval County, Texas; from the intersection of Texas Highway 359 and Texas Highway 339 in Benavides, 24.4 miles northwest on Texas Highway 339 to Freer, 34.3 miles northeast on US Highway 59 to the intersection of Farm Road 624, then east 4.4 miles on Farm Road 624 to the entrance of a private ranch road, south 8.6 miles on gravel road, then west 0.2 miles on ranch road; site is 200 feet south along drainageway.
  • Map Unit: 112A—Czar-Clareville soils, 0 to 1 percent slopes, rarely flooded
  • Country: US—United States
  • State: Texas
  • County: TX131—Duval
  • MLRA: 83C—Central Rio Grande Plain
  • Non-MLRA Soil Survey Area: TX131—Duval County, Texas
  • 7.5 Minute USGS Quad: 28098-A3—Clegg, Texas
  • PEDON

  • Describers Name: Paul Holland
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, hyperthermic Pachic Argiustolls
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Czar
  • PSC - 23 to 73 cm.
  • Classificaton Date - 8/26/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Geomorphic Component Terraces: riser
  • Hill Slope Profile: toeslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: rare flooding for very brief periods
  • Ponding: none ponding
  • Geology: Alluvium formation of the Holocene group.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/21/2001 (actual site observation date)
  • Air Photo ID: 5C
  • Surface Cover Properties:
  • 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

    secondary carbonates

    argillic horizon

    calcic horizon

    0—76

    9—236

    23—127

    60—236

    —-

    —-

    —-

    —-

    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

    30

    30

    122

    330

    611

    290

    22

    29

    14

    TX0690

    Benavides 2, TX0690

    TAPS

    A1—0 to 9 centimeters (0.0 to 3.5 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; sandy clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 very fine tubular pores; 1 percent shell fragments; fragments; very slight effervescence; clear smooth boundary. Lab sample # 01N04668
    A2—9 to 23 centimeters (3.5 to 9.1 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; sandy clay loam; weak fine subangular blocky, and strong medium subangular blocky parts to weak medium subangular blocky, and strong coarse subangular blocky parts to weak medium subangular blocky structure; hard; 2.0 very fine roots throughout and 2.0 medium roots throughout and 2.0 fine roots throughout; 1.0 very fine tubular pores; 1 percent fine irregular carbonate masses; fragments; very slight effervescence; clear smooth boundary. Lab sample # 01N04669
    Bt1—23 to 39 centimeters (9.1 to 15.4 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; sandy clay loam; weak medium subangular blocky, and weak fine subangular blocky structure; hard; 2.0 very fine roots throughout and 2.0 fine roots throughout; 1.0 very fine tubular pores; 3 percent distinct clay films on vertical faces of peds; 1 percent fine irregular carbonate masses; fragments; noneffervescent; clear smooth boundary. Lab sample # 01N04670. discontinuous - phpvsfiid 415535; discontinuous - phpvsfiid 415535
    Bt2—39 to 60 centimeters (15.4 to 23.6 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; sandy clay loam; weak medium prismatic parts to weak medium subangular blocky, and weak medium prismatic parts to weak fine subangular blocky structure; very hard; 1.0 very fine roots throughout and 1.0 fine roots throughout; 2.0 very fine tubular pores; 5 percent distinct clay films on vertical faces of peds; 1 percent fine irregular carbonate masses; fragments; noneffervescent; clear smooth boundary. Lab sample # 01N04671. discontinuous - phpvsfiid 415536; discontinuous - phpvsfiid 415536
    Btk1—60 to 76 centimeters (23.6 to 29.9 inches); very dark grayish brown (10YR 3/2), very dark brown (10YR 2/2), moist; clay loam; moderate medium prismatic parts to moderate medium angular blocky, and moderate medium prismatic parts to moderate fine angular blocky structure; extremely hard; 1.0 very fine roots throughout; 2.0 very fine tubular pores; 3 percent faint clay films on vertical faces of peds; 1 percent irregular shell fragments and 2 percent fine irregular carbonate masses and 1 percent fine spherical carbonate nodules and 1 percent medium spherical carbonate nodules; fragments; strong effervescence; clear smooth boundary. Lab sample # 01N04672. discontinuous - phpvsfiid 415537; discontinuous - phpvsfiid 415537
    Btk2—76 to 105 centimeters (29.9 to 41.3 inches); 60 percent brown (10YR 5/3) and 40 percent pale brown (10YR 6/3), 60 percent brown (10YR 4/3) and 40 percent brown (10YR 5/3), moist; clay loam; strong medium prismatic parts to moderate medium angular blocky structure; extremely hard; 1.0 very fine roots throughout; 2.0 very fine tubular pores; 3 percent faint clay films on vertical faces of peds; 1 percent irregular shell fragments and 3 percent coarse spherical carbonate nodules and 2 percent fine spherical carbonate nodules and 4 percent medium irregular carbonate masses and 2 percent medium spherical carbonate nodules and 3 percent very coarse spherical carbonate nodules; 10 percent by volume nonflat rounded very strongly coherent cemented carbonate nodules fragments; violent effervescence; clear smooth boundary. Lab sample # 01N04673. discontinuous - phpvsfiid 415538; discontinuous - phpvsfiid 415538
    Btk3—105 to 127 centimeters (41.3 to 50.0 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; moderate medium prismatic parts to weak medium subangular blocky, and moderate medium prismatic parts to weak medium angular blocky, and moderate coarse prismatic parts to weak medium subangular blocky, and moderate coarse prismatic parts to weak medium angular blocky structure; extremely hard; 1.0 very fine roots throughout; 2.0 very fine tubular pores; 1 percent faint clay films on vertical faces of peds; 2 percent irregular shell fragments and 3 percent fine irregular carbonate masses and 1 percent fine spherical carbonate nodules; fragments; strong effervescence; gradual smooth boundary. Lab sample # 01N04674. discontinuous - phpvsfiid 415539; discontinuous - phpvsfiid 415539
    Bk1—127 to 177 centimeters (50.0 to 69.7 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; clay loam; weak coarse prismatic parts to weak medium angular blocky structure; extremely hard; 1.0 very fine roots throughout; 2.0 very fine tubular pores; 1 percent irregular shell fragments and 2 percent fine spherical carbonate nodules and 4 percent medium irregular carbonate masses and 2 percent medium spherical carbonate nodules; fragments; strong effervescence; gradual smooth boundary. Lab sample # 01N04675
    Bk2—177 to 209 centimeters (69.7 to 82.3 inches); pale brown (10YR 6/3), brown (10YR 5/3), moist; sandy clay loam; weak medium prismatic parts to weak medium subangular blocky, and weak medium prismatic parts to weak fine subangular blocky structure; extremely hard; 1.0 very fine roots throughout; 2.0 very fine tubular pores; 2 percent fine irregular carbonate masses and 2 percent fine spherical carbonate nodules; fragments; strong effervescence; clear smooth boundary. Lab sample # 01N04676
    Bk3—209 to 236 centimeters (82.3 to 92.9 inches); very pale brown (10YR 7/3), pale brown (10YR 6/3), moist; sandy clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; hard; 1.0 very fine roots throughout; 2.0 very fine tubular pores; 2 percent fine irregular carbonate masses; fragments; strong effervescence. Lab sample # 01N04677