IDENTIFIERS

  • Current Taxon Name (Soil Name): Edna
  • OSD
  • Series Extent
  • User Site ID: S2009TX1574051
  • User Pedon ID: S09TX1574051
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 10N0612
  • NCSS Pedon Lab Data NASIS Record ID - 41204
  • Print Date: 2/17/2025
  • 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: 29.4828892
  • Std. Longitude: -95.6953583
  • Datum: WGS84
  • Country: US—United States
  • State: Texas
  • County: TX157—Fort Bend
  • Non-MLRA Soil Survey Area: TX157—Fort Bend County, Texas
  • PEDON

  • Describers Name: Jon Wiedenfeld
  • Current Taxonomic Class: Fine-loamy, active, hyperthermic Typic Vermaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 4051
  • Sampled As Information:
  • Soil Name - Edna
  • Taxonomic Class - Fine-loamy, active, hyperthermic Typic Vermaqualfs
  • Taxon Kind - taxadjunct
  • PSC - 20 to 70 cm.
  • Classificaton Date - 11/10/2009
  • Soil Taxonomic Edition - twelfth edition
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: loamy fluviomarine deposits
  • Landscape: coastal plain
  • Anthropogenic Feature: leveled land
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Beaumont formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/10/2009 (actual site observation date)
  • Surface Water Kind: none observed
  • 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
  • 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

    0.2

    45

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); grayish brown (10YR 5/2) loam; weak medium subangular blocky structure; friable; 1 percent fine faint masses of oxidized iron lining pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # 10N02727; moist when described; observed in pit, small
    Bt—20 to 44 centimeters (7.9 to 17.3 inches); dark gray (10YR 4/1) silt loam; moderate medium subangular blocky, and moderate coarse angular blocky structure; friable; 10 percent distinct dark gray (10YR 4/1) clay films on all faces of peds; 1 percent medium prominent yellowish red (5YR 5/6) masses of oxidized iron in matrix and 3 percent fine prominent dark yellowish brown (10YR 4/6) masses of oxidized iron with sharp boundaries lining pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # 10N02728; moist when described; observed in pit, small
    Btnz1—44 to 79 centimeters (17.3 to 31.1 inches); 60 percent dark gray (10YR 4/1) and 30 percent gray (10YR 5/1) silt loam;—Error in Exists On—structure; hard, firm; 10 percent distinct dark gray (10YR 4/1) clay films on all faces of peds; 1 percent fine prominent dark yellowish brown (10YR 4/6) masses of oxidized iron with sharp boundaries lining pores and 2 percent medium distinct dark yellowish brown (10YR 4/4) masses of oxidized iron in matrix; 3 percent fine threadlike salt masses; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02729; slightly moist when described; observed in pit, small
    Btnz2—79 to 120 centimeters (31.1 to 47.2 inches); 60 percent gray (10YR 5/1) and 30 percent dark gray (10YR 4/1) loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; hard, firm; 10 percent distinct gray (10YR 5/1) clay films on all faces of peds; 1 percent fine prominent brownish yellow (10YR 6/8) masses of oxidized iron with clear boundaries in matrix and 1 percent medium prominent black (7.5YR 2.5/1) iron-manganese masses in matrix surrounding redox concentrations and 1 percent medium prominent strong brown (7.5YR 4/6) masses of oxidized iron with sharp boundaries in matrix; 5 percent fine threadlike salt masses; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02730; slightly moist when described; observed in pit, small
    Btnz3—120 to 140 centimeters (47.2 to 55.1 inches); gray (10YR 5/1) clay loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; friable; 20 percent distinct gray (10YR 5/1) clay films on all faces of peds; 5 percent medium prominent yellowish brown (10YR 5/8) masses of oxidized iron with clear boundaries in matrix and 8 percent coarse prominent yellow (10YR 7/8) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations; 2 percent fine threadlike salt masses; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02731; slightly moist when described; observed in pit, small
    B't—140 to 167 centimeters (55.1 to 65.7 inches); gray (10YR 6/1) clay loam; moderate coarse prismatic parts to moderate coarse angular blocky structure; friable; 20 percent distinct gray (10YR 5/1) clay films on all faces of peds; 3 percent medium prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries in matrix and 5 percent medium prominent strong brown (7.5YR 5/8) masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations and 15 percent coarse prominent brownish yellow (10YR 6/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02732; slightly moist when described; observed in pit, small
    Btk1—167 to 194 centimeters (65.7 to 76.4 inches); light gray (2.5Y 7/2) clay loam; strong coarse prismatic parts to strong coarse angular blocky structure; friable; 25 percent prominent light gray (2.5Y 7/2) clay films on vertical faces of peds; 5 percent medium prominent brownish yellow (10YR 6/6) masses of oxidized iron with diffuse boundaries in matrix surrounding redox concentrations and 10 percent medium prominent yellowish red (5YR 5/8) masses of oxidized iron with sharp boundaries in matrix and 20 percent coarse prominent strong brown (7.5YR 5/8) masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations; 1 percent coarse very pale brown (10YR 8/2) carbonate nodules and 1 percent fine threadlike white (10YR 8/1) carbonate masses and 1 percent medium white (10YR 8/1) carbonate masses; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. Lab sample # 10N02733; slightly moist when described; observed in pit, small
    Btk2—194 to 203 centimeters (76.4 to 79.9 inches); light gray (2.5Y 7/2) loam; strong very coarse prismatic parts to strong very coarse angular blocky structure; friable; 50 percent prominent light gray (2.5Y 7/2) clay films on vertical faces of peds; 2 percent medium prominent black (7.5YR 2.5/1) iron-manganese masses with sharp boundaries in matrix and 10 percent medium prominent brownish yellow (10YR 6/8) masses of oxidized iron with sharp boundaries in matrix surrounding redox concentrations and 20 percent coarse prominent strong brown (7.5YR 5/8) masses of oxidized iron with sharp boundaries in matrix; 1 percent coarse very pale brown (10YR 8/2) carbonate nodules; fragments; noneffervescent, by hcl, 1n. Lab sample # 10N02734; slightly moist when described; observed in pit, small