IDENTIFIERS

  • Current Taxon Name (Soil Name): Zulch
  • OSD
  • Series Extent
  • User Site ID: S2002TX0419507
  • User Pedon ID: S2002TX0419507
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S81TX041001
  • NCSS Pedon Lab Data NASIS Record ID - 45669
  • Print Date: 11/21/2024

    • 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: 30.5834446
  • Std. Longitude: -96.3775558
  • Datum: WGS84
  • Location Description: Range Sciences experimental area.
  • Map Unit: ZuB—Zulch fine sandy loam, 1 to 3 percent slopes
  • Country: US—United States
  • State: Texas
  • County: TX041—Brazos
  • MLRA: 87A—Texas Claypan Area, Southern Part
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: TX041—Brazos County, Texas

    • PEDON

  • Describers Name: Wilding,Hallmark,West,Thompson,Girdner,Brockmann,Abbott
  • Current Taxonomic Class: Fine, smectitic, thermic Udertic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: 2002 Brazos County Soil Survey
  • Correlated Information:
  • Soil Name - Zulch
  • PSC - 28 to 78 cm.
  • Classificaton Date - 5/21/2012
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Undesignated series
  • Classificaton Date - 1/28/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from siltstone
  • Landscape: upland
  • Runoff: very high
  • Drainage Class: somewhat poorly
  • Geology: Yegua formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/28/1981 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, savanna
  • 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

    ochric epipedon

    argillic horizon

    abrupt textural change

    salt accumulations

    0—28

    28—167

    28—28

    120—400

    —-

    —-

    —-

    —-
    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

    1.5

    —

    —

    —

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 28 centimeters (0.0 to 11.0 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; fine sandy loam; weak fine granular structure; very friable; 20.0 fine and medium roots; 1 percent by volume nonflat rounded indurated ? to 5-? millimeter chert fragments; moderately acid, pH 5.8; abrupt smooth boundary.
    Bt1—28 to 60 centimeters (11.0 to 23.6 inches);, dark grayish brown (10YR 4/2), moist; clay; moderate coarse angular blocky parts to moderate fine angular blocky structure; very hard, firm; 10.0 fine roots; 2.0 fine pores; clay films on all faces of peds; 10 percent fine prominent red (2.5YR 4/6), moist, masses of oxidized iron and 10 percent medium faint dark gray (10YR 4/1), moist, iron depletions; 1 percent by volume nonflat rounded indurated ? to 5-? millimeter chert fragments; very strongly acid, pH 4.8; clear wavy boundary. Lab sample # TAMU966. continuous - phpvsfiid 338332; continuous - phpvsfiid 338332
    Bt2—60 to 80 centimeters (23.6 to 31.5 inches);, grayish brown (10YR 5/2), moist; clay; moderate coarse prismatic parts to strong coarse angular blocky structure; very hard, firm; 2.0 fine roots in cracks; clay films on all faces of peds; fragments; very strongly acid, pH 4.8; clear wavy boundary. continuous - phpvsfiid 338333; continuous - phpvsfiid 338333
    Bt3—80 to 120 centimeters (31.5 to 47.2 inches);, grayish brown (10YR 5/2), moist; clay; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, firm; 2.0 fine roots in cracks; clay films on all faces of peds; fragments; strongly acid, pH 5.3; clear smooth boundary. discontinuous - phpvsfiid 338334; discontinuous - phpvsfiid 338334
    Bt4—120 to 167 centimeters (47.2 to 65.7 inches);, grayish brown (10YR 5/2), moist; clay loam; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, firm; 1.0 fine roots in cracks; 2 percent clay films on vertical faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # TAMU967. discontinuous - phpvsfiid 338335; discontinuous - phpvsfiid 338335
    2BC—167 to 183 centimeters (65.7 to 72.0 inches);, grayish brown (10YR 5/2), moist; clay; 10 percent grayish brown (10YR 5/2) coarse faint and 10 percent light brownish gray (10YR 6/2) coarse faint mottles; moderate medium angular blocky structure; very hard, firm; 1.0 fine roots in cracks; 1 percent clay films; fragments; slightly acid, pH 6.3; clear smooth boundary. discontinuous - phpvsfiid 338336; discontinuous - phpvsfiid 338336
    3C1—183 to 250 centimeters (72.0 to 98.4 inches);, brown (10YR 5/3), moist; clay loam; very hard, firm; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # TAMU968
    3C2—250 to 310 centimeters (98.4 to 122.0 inches); light yellowish brown (10YR 6/4), yellowish brown (10YR 5/4), moist; clay loam; fragments; gradual smooth boundary.
    3C3—310 to 400 centimeters (122.0 to 157.5 inches);, light yellowish brown (10YR 6/4), moist; clay loam; 10 percent strong brown (7.5YR 5/6) coarse distinct and 10 percent brown (7.5YR 5/4) coarse distinct mottles; fragments. Lab sample # TAMU969
    3C4—400 to 470 centimeters (157.5 to 185.0 inches);, light yellowish brown (10YR 6/4), moist; loam; 2 percent dark brown (7.5YR 3/4) fine distinct mottles; fragments. Lab sample # TAMU970
    3C5—470 to 520 centimeters (185.0 to 204.7 inches);, brown (7.5YR 5/4), moist; clay loam; 2 percent strong brown (7.5YR 4/6) fine faint mottles; fragments. Lab sample # TAMU971
    3C6—520 to 615 centimeters (204.7 to 242.1 inches);, dark greenish gray (5G 4/1), moist; clay; 20 percent dark gray (5Y 4/1) coarse distinct and 20 percent greenish gray (5GY 5/1) coarse distinct mottles; fragments. Lab sample # TAMU972