IDENTIFIERS

  • Current Taxon Name (Soil Name): Prade
  • OSD
  • Series Extent
  • User Site ID: S2017TX265005
  • User Pedon ID: S2017TX265005
  • Vegetation Plot ID: S2017tx265005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 17N0889
  • Print Date: 12/9/2025

    • 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: 30.2754967
  • Std. Longitude: -99.4762467
  • Datum: WGS84
  • State: Texas
  • County: TX265—Kerr
  • MLRA: 81B—Edwards Plateau, Central Part
  • 7.5 Minute USGS Quad: 30099-C4—Old Noxville, Texas

    • PEDON

  • Describers Name: Travis Waiser, Ashley Newsome, and Geraldine Vega Pizarro
  • Current Taxonomic Class: Clayey-skeletal, smectitic, thermic, shallow Petrocalcic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Prade
  • Taxonomic Class - Clayey-skeletal, smectitic, thermic, shallow Petrocalcic Calciustolls
  • Taxon Kind - series
  • PSC - 0 to 29 cm.
  • Classificaton Date - 8/17/2017
  • Classifier - Travis Waiser
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from limestone
  • Landscape: dissected plateau
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: well
  • Surface Fragments: 5.00 percent nonflat subangular strongly coherent cemented 2- to 75-millimeter petrocalcic fragments, 1.00 percent nonflat subangular strongly coherent cemented 75- to 250-millimeter petrocalcic fragments,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/2017 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - 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

    Bw

    Bkkm1

    Bkkm2

    0

    11

    29

    38

    11

    29

    38

    100

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    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

    Bw

    Bkkm1

    Bkkm2

    0

    11

    29

    38

    11

    29

    38

    100

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    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

    Bw

    Bkkm1

    Bkkm2

    0

    11

    29

    38

    11

    29

    38

    100

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARPU9

    BORI

    HIBE

    NALE3

    OPENL

    PSAU3

    QULA

    QUSIB

    QUVI

    SCPA

    SPASD

    Aristida purpurea

    Bouteloua rigidiseta

    Hilaria belangeri

    Nassella leucotricha

    Opuntia engelmannii var. lindheimeri

    Pseudognaphalium austrotexanum

    Quercus laceyi

    Quercus sinuata var. breviloba

    Quercus virginiana

    Schedonnardus paniculatus

    Sporobolus asper var. drummondii

    purple threeawn

    Texas grama

    curly-mesquite

    Texas wintergrass

    Texas pricklypear

    Texas rabbit-tobacco

    Lacey oak

    bastard oak

    live oak

    tumblegrass

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    petrocalcic

    moderately coherent

    29 - 100

    - 71 -

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

    mollic epipedon

    petrocalcic horizon

    0—29

    29—100

    —29—

    —-
    Site Soil Temperature
    Site Obs. Date Depth Sensor Kind Temperature
    cm C

    8/1/2017

    29

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    29.3
    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

    2

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    679.3

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    100

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    A—0 to 11 centimeters (0.0 to 4.3 inches); very dark gray (7.5YR 3/1), black (7.5YR 2.5/1), moist; clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; 2.0 very fine roots throughout and 2.0 fine roots throughout; 5 percent by volume nonflat subangular moderately coherent cemented 2-15-75 millimeter petrocalcic fragments fragments; very slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 17N04357; moist when described; observed in trench
    Bw—11 to 29 centimeters (4.3 to 11.4 inches); dark brown (7.5YR 3/2), very dark brown (7.5YR 2.5/2), moist; extremely channery clay loam; moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; 2.0 very fine roots and 1.0 medium roots and 2.0 fine roots; 10 percent by volume flat subangular 150-200-380 millimeter petrocalcic fragments fragments and 55 percent by volume flat subangular 2-35-150 millimeter petrocalcic fragments fragments; strong effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 17N04358; moist when described; observed in trench
    Bkkm1—29 to 38 centimeters (11.4 to 15.0 inches); pale pinkish white (7.5YR 9.5/2), pink (7.5YR 7/3), moist; cemented material; moderately coherent; 0.5 very fine roots in cracks and 1.0 medium roots top of horizon and 1.0 fine roots in cracks; fragments; violent effervescence, by hcl, 1n; abrupt smooth boundary.; observed in trench
    Bkkm2—38 to 100 centimeters (15.0 to 39.4 inches); white (7.5YR 9.5/1), pale pinkish white (7.5YR 9/2), moist; cemented material; moderately coherent; 2.0 medium roots top of horizon and 1.0 coarse roots top of horizon; fragments; violent effervescence, by hcl, 1n. Lab sample # 17N04359; observed in pit, small