IDENTIFIERS

  • Current Taxon Name (Soil Name): Edna
  • OSD
  • Series Extent
  • User Site ID: S2010TX1575064
  • User Pedon ID: S2010TX1575064
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 10N0976
  • NCSS Pedon Lab Data NASIS Record ID - 43227
  • Print Date: 6/2/2024

    • 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: 29.4488888
  • Std. Longitude: -95.9492188
  • Datum: WGS84
  • State: Texas
  • County: TX157—Fort Bend
  • MLRA: 150A—Gulf Coast Prairies
  • 7.5 Minute USGS Quad: 29095-D8—Kendleton, Texas

    • PEDON

  • Describers Name: Nelson Rolong, Kenneth Hall
  • Current Taxonomic Class: Fine, mixed, active, hyperthermic Chromic Vertic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Edna
  • Taxonomic Class - Fine, mixed, active, hyperthermic Chromic Vertic Hapludalfs
  • Taxon Kind - taxadjunct
  • PSC - 24 to 74 cm.
  • Classificaton Date - 3/17/2010
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: loamy fluviomarine deposits derived from sandstone and shale
  • Landscape: coastal plain
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Ponding: frequent ponding for brief periods begining in jan
  • Geology: Beaumont formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/17/2010 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    slickensides

    0—24

    24—172

    101—116

    —24—

    —148—

    —15—
    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

    1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 24 centimeters (0.0 to 9.4 inches); dark grayish brown (10YR 4/2) fine sandy loam; weak medium subangular blocky structure; friable; 4.0 very fine roots throughout; 3.0 very fine high-continuity tubular pores; 5 percent fine prominent cylindrical reddish brown (2.5YR 4/4) masses of oxidized iron with sharp boundaries on surfaces along root channels; fragments; noneffervescent; abrupt smooth boundary. Lab sample # 10N04638; moist when described;
    Bt1—24 to 35 centimeters (9.4 to 13.8 inches); dark gray (10YR 4/1) clay loam; moderate medium subangular blocky structure; firm; 3.0 very fine roots throughout; 3.0 very fine high-continuity tubular pores; 5 percent faint clay films on all faces of peds and 5 percent faint clay bridges between sand grains; 10 percent fine prominent cylindrical red (2.5YR 4/6), moist, masses of oxidized iron with sharp boundaries on surfaces along root channels; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 10N04639; moist when described;. discontinuous - phpvsfiid 1330138; discontinuous - phpvsfiid 1330139; discontinuous - phpvsfiid 1330138; discontinuous - phpvsfiid 1330139
    Bt2—35 to 68 centimeters (13.8 to 26.8 inches); dark grayish brown (10YR 4/2) clay; strong coarse prismatic parts to strong coarse angular blocky structure; firm; 2.0 very fine roots throughout; 2.0 very fine moderate-continuity tubular pores; 30 percent faint clay films on all faces of peds; 20 percent medium faint irregular masses of oxidized iron with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 10N04640; moist when described;. continuous - phpvsfiid 1330140; continuous - phpvsfiid 1330140
    Bt3—68 to 101 centimeters (26.8 to 39.8 inches); dark grayish brown (10YR 4/2) clay loam; strong coarse prismatic parts to strong coarse angular blocky structure; firm; 2.0 fine roots throughout; 2.0 very fine moderate-continuity tubular pores; 60 percent faint clay films on all faces of peds; 5 percent fine distinct irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N04641; moist when described;. continuous - phpvsfiid 1330141; continuous - phpvsfiid 1330141
    Btss—101 to 116 centimeters (39.8 to 45.7 inches); dark grayish brown (10YR 4/2) sandy clay loam; strong coarse wedge, and strong coarse prismatic structure; very firm; 1.0 very fine roots between peds; 1.0 very fine low-continuity interstitial pores; 25 percent distinct slickensides (pedogenic) on vertical faces of peds and 60 percent faint clay films on all faces of peds; 2 percent fine prominent irregular masses of oxidized iron with sharp boundaries in matrix; 1 percent medium distinct cylindrical moderately coherent cemented light brownish gray (10YR 6/2), moist, carbonate nodules with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 10N04642; moist when described;. continuous - phpvsfiid 1330142; continuous - phpvsfiid 1330143; continuous - phpvsfiid 1330142; continuous - phpvsfiid 1330143
    Btk1—116 to 140 centimeters (45.7 to 55.1 inches); yellowish brown (10YR 5/4) sandy clay loam; strong coarse subangular blocky structure; firm; 1.0 fine roots between peds; 1.0 fine moderate-continuity irregular pores; 20 percent faint clay bridges between sand grains and 40 percent faint clay films on all faces of peds; 2 percent fine distinct spherical moderately coherent cemented yellowish brown (10YR 5/6), moist, iron-manganese nodules in matrix and 10 percent medium prominent irregular noncoherent cemented 2.5Y 4/8 (2.5Y 4/8), moist, masses of oxidized iron with sharp boundaries in matrix; 5 percent coarse distinct cylindrical moderately coherent cemented light gray (10YR 7/2), moist, carbonate nodules with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 10N04643; moist when described;. discontinuous - phpvsfiid 1330145; continuous - phpvsfiid 1330144; discontinuous - phpvsfiid 1330145; continuous - phpvsfiid 1330144
    Btk2—140 to 172 centimeters (55.1 to 67.7 inches); yellowish brown (10YR 5/6) fine sandy loam; moderate medium subangular blocky structure; firm; 2.0 very fine roots between peds; 2.0 fine low-continuity irregular pores; 20 percent faint clay bridges between sand grains; 20 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/6), moist, masses of oxidized iron with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear wavy boundary. Lab sample # 10N04644; moist when described;. discontinuous - phpvsfiid 1330146; discontinuous - phpvsfiid 1330146
    Bw—172 to 200 centimeters (67.7 to 78.7 inches); light yellowish brown (10YR 6/4) fine sandy loam; weak fine subangular blocky structure; firm; 2.0 fine low-continuity irregular pores; 10 percent medium prominent irregular noncoherent cemented strong brown (7.5YR 5/8), moist, masses of oxidized iron with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n. Lab sample # 10N04645; moist when described;