IDENTIFIERS

  • Current Taxon Name (Soil Name): Sawtown
  • OSD
  • Series Extent
  • User Site ID: S11TX2897010
  • User Pedon ID: S11TX2897010
  • Vegetation Plot ID: S11TX2897010
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S11TX2897010
  • NCSS Pedon Lab Data NASIS Record ID - 45624
  • Print Date: 11/23/2024

    • 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: 31.1900826
  • Std. Longitude: -95.7533493
  • Datum: WGS84
  • State: Texas
  • County: TX289—Leon
  • MLRA: 87A—Texas Claypan Area, Southern Part
  • Non-MLRA Soil Survey Area: TX289—Leon County, Texas
  • 7.5 Minute USGS Quad: 31095-B7—Middleton, Texas

    • PEDON

  • Describers Name: C.T. Hallmark and Chance Robinson
  • Current Taxonomic Class: Fine-loamy, siliceous, superactive, thermic Aquic Glossudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: research site
  • Correlated Information:
  • Soil Name - Sawtown
  • PSC - 14 to 64 cm.
  • Classificaton Date - 7/12/2013
  • Classifier - Chance M. Robinson
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Derly
  • Classificaton Date - 5/16/2011
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: stream terrace
  • Microfeature: swale
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: somewhat poorly
  • Geology: Qal formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/16/2011 (actual site observation date)
  • Surface Water Kind: none observed
  • Microrelief Kind: microlow
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 29
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    BRAR5

    CAREX

    CYDA

    DIOLS

    HOPU

    LOLIU

    RUMEX

    TRFL2

    Bromus arvensis

    Carex

    Cynodon dactylon

    Dichanthelium oligosanthes var. scribnerianum

    Hordeum pusillum

    Lolium

    Rumex

    Tridens flavus

    field brome

    sedge

    Bermudagrass

    Scribner's rosette grass

    little barley

    ryegrass

    dock

    purpletop tridens

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    redox concentrations

    argillic horizon

    glossic horizon

    redox depletions with chroma 2 or less

    redox depletions with chroma 2 or less

    redox depletions with chroma 2 or less

    redox depletions with chroma 2 or less

    0—14

    0—316

    14—213

    14—32

    32—59

    96—133

    162—213

    236—263

    —-

    —-

    —-

    —-

    —-

    —-

    —-

    —-
    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

    240

    130

    54.4

    —

    113

    1094

    —

    239

    18.6

    27.2

    10.9

    —

    —

    —

    —

    —

    411596

    Centerville, Texas

    COOP A
    Ap—0 to 14 centimeters (0.0 to 5.5 inches); grayish brown (10YR 5/2) loam; weak fine subangular blocky structure; friable; 2.0 very fine roots throughout and 1.0 medium roots throughout and 3.0 fine roots throughout; 25 percent fine yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.2, pH meter; abrupt smooth boundary. Lab sample # TAMUE3984; dry when described; observed in push tube
    Bt/E—14 to 32 centimeters (5.5 to 12.6 inches); yellowish brown (10YR 5/4) loam; moderate medium subangular blocky structure; firm; 3.0 fine roots and 0.5 coarse roots; 5 percent faint brown (10YR 5/3), moist, iron depletions and 20 percent faint yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.1, pH meter; clear irregular boundary. Lab sample # TAMUE3985; dry when described; observed in push tube
    Bt1—32 to 59 centimeters (12.6 to 23.2 inches); brown (10YR 5/3) clay loam; moderate medium angular blocky structure; very firm; 0.5 fine roots; distinct dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds and 3 percent distinct grayish brown (10YR 5/2), moist, skeletans on all faces of peds; 1 percent black (10YR 2/1), moist, iron-manganese masses and 5 percent fine light brownish gray (10YR 6/2), moist, iron depletions and 5 percent distinct yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.6, pH meter; clear smooth boundary. Lab sample # TAMUE3986; dry when described; observed in push tube. discontinuous - phpvsfiid 725918; discontinuous - phpvsfiid 725919; discontinuous - phpvsfiid 725918; discontinuous - phpvsfiid 725919
    Bt2—59 to 96 centimeters (23.2 to 37.8 inches); brown (10YR 5/3) clay loam; moderate medium subangular blocky structure; firm; 0.3 very fine roots and 0.3 fine roots; distinct brown (10YR 4/3), moist, clay films on vertical faces of peds and 5 percent distinct brown (10YR 5/3), moist, skeletans on all faces of peds; 2 percent black (10YR 2/1), moist, iron-manganese masses; fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.7, pH meter; gradual smooth boundary. Lab sample # TAMUE3987; dry when described; observed in push tube. discontinuous - phpvsfiid 725920; discontinuous - phpvsfiid 725921; discontinuous - phpvsfiid 725920; discontinuous - phpvsfiid 725921
    Bt3—96 to 133 centimeters (37.8 to 52.4 inches); yellowish brown (10YR 5/4) very fine sandy loam; moderate medium subangular blocky structure; firm; 0.2 very fine roots; distinct brown (10YR 4/3), moist, clay films on vertical faces of peds and 10 percent distinct brown (10YR 5/3), moist, skeletans on all faces of peds; 1 percent black (10YR 2/1), moist, iron-manganese masses and 5 percent fine distinct grayish brown (10YR 5/2), moist, iron depletions and 5 percent dark yellowish brown (10YR 4/4), moist, iron-manganese masses; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear smooth boundary. Lab sample # TAMUE3988; dry when described; observed in push tube. continuous - phpvsfiid 725922; continuous - phpvsfiid 725923; continuous - phpvsfiid 725922; continuous - phpvsfiid 725923
    Bt4—133 to 162 centimeters (52.4 to 63.8 inches); yellowish brown (10YR 5/6) sandy clay loam; moderate medium subangular blocky structure; firm; distinct clay films on vertical faces of peds; 1 percent black (10YR 2/1), moist, iron-manganese masses and 2 percent dark yellowish brown (10YR 4/4), moist, iron-manganese masses and 3 percent faint brown (7.5YR 5/4), moist, masses of oxidized iron and 15 percent medium distinct brown (10YR 5/3), moist, iron depletions; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 7.9, pH meter; gradual smooth boundary. Lab sample # TAMUE3989; dry when described; observed in push tube. patchy - phpvsfiid 725924; patchy - phpvsfiid 725924
    Bt5—162 to 190 centimeters (63.8 to 74.8 inches); yellowish brown (10YR 5/6) clay loam; moderate medium subangular blocky structure; firm; distinct clay films on vertical faces of peds; 1 percent strong brown (7.5YR 5/8), moist, masses of oxidized iron and 2 percent black (10YR 2/1), moist, iron-manganese masses and 10 percent light brownish gray (10YR 6/2), moist, iron depletions; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 7.9, pH meter; clear smooth boundary. Lab sample # TAMUE3990; dry when described; observed in push tube. patchy - phpvsfiid 725925; patchy - phpvsfiid 725925
    Bt6—190 to 213 centimeters (74.8 to 83.9 inches); yellowish brown (10YR 5/4) sandy clay loam; weak medium subangular blocky structure; firm; distinct grayish brown (10YR 5/2), moist, clay films on vertical faces of peds; 5 percent distinct light brownish gray (10YR 6/2), moist, iron depletions and 35 percent faint yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; clear smooth boundary. Lab sample # TAMUE3991; dry when described; observed in push tube. discontinuous - phpvsfiid 725926; discontinuous - phpvsfiid 725926
    BC—213 to 236 centimeters (83.9 to 92.9 inches); brownish yellow (10YR 6/6) stratified stratified very fine sandy loam; weak coarse subangular blocky structure; friable; 30 percent brown (10YR 5/3), moist, iron depletions; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; gradual smooth boundary. Lab sample # TAMUE3992; dry when described; observed in push tube
    C1—236 to 263 centimeters (92.9 to 103.5 inches); 40 percent yellowish brown (10YR 5/4) and 30 percent brownish yellow (10YR 6/6) stratified stratified clay loam to very fine sandy loam; structureless massive; friable; 10 percent light brownish gray (10YR 6/2), moist, iron depletions and 20 percent brownish yellow (10YR 6/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, pH meter; gradual smooth boundary. Lab sample # TAMUE3993; dry when described; observed in push tube
    C2—263 to 316 centimeters (103.5 to 124.4 inches); 55 percent brownish yellow (10YR 6/6) and 40 percent pale brown (10YR 6/3) stratified stratified very fine sandy loam to fine sand; structureless massive, and structureless single grain; friable; 5 percent brownish yellow (10YR 6/8), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; strongly alkaline, pH 8.5, pH meter; gradual smooth boundary. Lab sample # TAMUE3994; dry when described; observed in push tube
    C3—316 to 336 centimeters (124.4 to 132.3 inches); very pale brown (10YR 7/3) stratified stratified fine sand; structureless single grain; loose; fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.2, pH meter. Lab sample # TAMUE3995; dry when described; observed in push tube