IDENTIFIERS

  • Current Taxon Name (Soil Name): Segno
  • OSD
  • Series Extent
  • User Site ID: S12TX2911035
  • User Pedon ID: S12TX2911035
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 12N8320
  • NCSS Pedon Lab Data NASIS Record ID - 69608
  • Print Date: 11/12/2024
  • 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: 30.3720556
  • Std. Longitude: -95.0222500
  • Datum: WGS84
  • State: Texas
  • County: TX291—Liberty
  • MLRA: 152B—Western Gulf Coast Flatwoods
  • PEDON

  • Describers Name: Stacey Kloesel
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, thermic Typic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Pedon PC 5.0
  • Correlated Information:
  • Soil Name - Segno (flagged as OSD)
  • PSC - 42 to 92 cm.
  • Classificaton Date - 8/16/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Segno (flagged as OSD)
  • Taxonomic Class - Fine-loamy, siliceous, semiactive, thermic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 42 to 92 cm.
  • Classificaton Date - 8/16/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


  • SITE

  • Parent Material: loamy fluviomarine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: relict meander belt on flat coastal plain
  • Geomorphic Component Flats: rise
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/10/2012 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    E

    BE

    Bt1

    Bt2

    Bt3

    0

    11

    42

    81

    110

    157

    11

    42

    81

    110

    157

    203

    4.2

    6.2

    14.3

    24.5

    23.4

    23.5

    38.2

    34.4

    32.5

    29.5

    27.4

    26.5

    57.6

    59.4

    53.2

    46

    49.2

    50

    sieves

    sieves

    sieves

    sieves

    sieves

    sieves

    0

    0

    0

    0

    0

    0

    0

    0

    0

    0

    0

    0

    5.4

    5.4

    4.8

    5.6

    7.6

    7.2

    29.4

    28

    25.6

    21

    22

    24

    22.8

    26

    22.8

    19.4

    19.6

    18.8

    270 mesh sieve

    270 mesh sieve

    270 mesh sieve

    270 mesh sieve

    270 mesh sieve

    270 mesh sieve

    fsl

    fsl

    fsl

    l

    scl

    scl

    5.4

    5.1

    4.9

    4.8

    4.9

    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    E

    BE

    Bt1

    Bt2

    Bt3

    0

    11

    42

    81

    110

    157

    11

    42

    81

    110

    157

    203

    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    E

    BE

    Bt1

    Bt2

    Bt3

    0

    11

    42

    81

    110

    157

    11

    42

    81

    110

    157

    203

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

    ochric epipedon

    argillic horizon

    glossic horizon

    redox concentrations

    0—42

    42—203

    42—203

    42—203

    —-

    —-

    —-

    —-

    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

    A—0 to 11 centimeters (0.0 to 4.3 inches); dark grayish brown (10YR 4/2), grayish brown (10YR 5/2), dry; fine sandy loam; weak fine granular structure; loose; 8.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout and 1.0 coarse roots throughout; 2.0 fine vesicular pores; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.2; gradual smooth boundary.; moist when described; observed in pit, small
    E—11 to 42 centimeters (4.3 to 16.5 inches); brown (10YR 5/3) very fine sandy loam; weak fine granular structure; very friable; 5.0 very fine roots throughout and 1.0 fine roots throughout; 2.0 very fine vesicular pores; 1 percent by volume nonflat subrounded moderately coherent cemented ? to 5-? millimeter iron-manganese nodules fragments observed by visual inspection method; noneffervescent, by hcl, 1n; strongly acid, pH 5.1; gradual smooth boundary.; moist when described; observed in pit, small
    BE—42 to 81 centimeters (16.5 to 31.9 inches); yellowish brown (10YR 5/6) very fine sandy loam; weak medium subangular blocky structure; very friable; 2.0 fine roots throughout; fine tubular pores; 2 percent by volume nonflat subangular moderately coherent cemented ? to 5-? millimeter ironstone nodules fragments observed by visual inspection method; 15 to 25 percent albic tongues (volume percent); noneffervescent, by hcl, 1n; very strongly acid, pH 4.8; gradual smooth boundary.; moist when described; observed in pit, small
    Bt1—81 to 110 centimeters (31.9 to 43.3 inches); 50 percent yellowish brown (10YR 5/6) and 40 percent yellowish brown (10YR 5/4) loam; weak medium subangular blocky structure; very friable; 3.0 very fine roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 2.0 very fine tubular pores; 15 percent distinct yellowish brown (10YR 5/6) clay films on all faces of peds; 1 percent medium ironstone nodules with sharp boundaries in matrix and 10 percent coarse prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron with diffuse boundaries in matrix; 1 percent by volume nonflat subrounded moderately coherent cemented ? to 5-? millimeter ironstone nodules fragments observed by visual inspection method; 5 to 10 percent albic tongues (volume percent); noneffervescent, by hcl, 1n; very strongly acid, pH 4.7; clear smooth boundary.; moist when described; observed in pit, small
    Bt2—110 to 157 centimeters (43.3 to 61.8 inches); yellowish brown (10YR 5/6) sandy clay loam; moderate medium subangular blocky structure; friable; 2.0 very fine roots throughout and 1.0 medium roots throughout; 2.0 very fine tubular pores; 15 percent distinct yellowish brown (10YR 5/6) clay films on all faces of peds; 8 percent medium prominent red (2.5YR 4/8), moist, masses of oxidized iron with sharp boundaries in matrix and 20 percent coarse prominent light yellowish brown (2.5Y 6/3), moist, iron depletions with diffuse boundaries in matrix; 2 percent by volume nonflat subrounded moderately coherent cemented 2-5-25 millimeter ironstone nodules fragments observed by visual inspection method; noneffervescent, by hcl, 1n; very strongly acid, pH 4.8; gradual smooth boundary.; moist when described; observed in auger, bucket
    Bt3—157 to 203 centimeters (61.8 to 79.9 inches); yellowish brown (10YR 5/8) sandy clay loam; moderate medium subangular blocky structure; friable; 1.0 very fine tubular and 1.0 fine vesicular pores; 15 percent distinct yellowish brown (10YR 5/6) clay films on all faces of peds; 10 percent medium ironstone nodules with sharp boundaries in matrix and 15 percent coarse prominent light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix and 25 percent coarse prominent red (2.5YR 4/8), moist, masses of oxidized iron with sharp boundaries in matrix; 2 percent by volume nonflat subrounded moderately coherent cemented 2-5-15 millimeter ironstone nodules fragments observed by displacement method and 2 percent by volume nonflat subrounded moderately coherent cemented 2-5-25 millimeter ironstone nodules fragments observed by visual inspection method; noneffervescent, by hcl, 1n; very strongly acid, pH 4.8; gradual smooth boundary.; moist when described; observed in auger, bucket