IDENTIFIERS

  • Current Taxon Name (Soil Name): Vertrees
  • OSD
  • Series Extent
  • User Site ID: 2018KY227011
  • User Pedon ID: 2018KY227011
  • User Site Association ID: WKU Collegiate Soil Judging2018 SE Collegiate Soil Judging Contest
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - 6-OWN
  • Print Date: 12/7/2025

    • 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: 36.9253861
  • Std. Longitude: -86.4747889
  • Datum: WGS84
  • Location Description: WKU Farm; in pasture along farm entrance road for composting area
  • Map Unit: VrC3—Vertrees silty clay loam, 6 to 12 percent slopes, severely eroded
  • Country: US—United States
  • State: Kentucky
  • County: KY227—Warren
  • MLRA: 122—Highland Rim and Pennyroyal
  • MLRA Soil Survey Area: SE-COO—Cookeville, Tennessee
  • Non-MLRA Soil Survey Area: KY227—Warren County, Kentucky
  • 7.5 Minute USGS Quad: 36086-H4—Bowling Green South, Kentucky

    • PEDON

  • Describers Name: David Gehring, Matt McCauley
  • Current Taxonomic Class: Fine, mixed, semiactive, mesic Typic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Vertrees
  • PSC - 22 to 72 cm.
  • Classificaton Date - 9/30/2017
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Vertrees
  • Taxonomic Class - Fine, mixed, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 22 to 72 cm.
  • Classificaton Date - 9/17/2018
  • Classifier - David Gehring
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty noncalcareous loess over clayey residuum weathered from limestone
  • Landscape: upland
  • Landform: ridge
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: St. Genevieve Limestone formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/17/2018 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • 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 % % % % % % % % % % % % %

    Ap

    Bt1

    2Bt2

    2Bt3

    2Bt4

    0

    21

    44

    77

    115

    21

    44

    77

    115

    165

    —

    —

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    —

    —

    David Gehring

    David Gehring

    David Gehring

    David Gehring

    David Gehring

    29

    41

    51

    57

    57

    0

    0

    0

    0

    0

    61

    46

    42

    37

    38

    39

    34

    28

    27

    27

    22

    12

    14

    10

    11

    10

    13

    7

    6

    5

    hydrometer

    hydrometer

    hydrometer

    hydrometer

    hydrometer

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    5

    7

    4

    3

    3

    hydrometer

    hydrometer

    hydrometer

    hydrometer

    hydrometer

    sicl

    sic

    sic

    c

    c

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    6.4

    6.7

    6.9

    6.3

    5.3
    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

    Ap

    Bt1

    2Bt2

    2Bt3

    2Bt4

    0

    21

    44

    77

    115

    21

    44

    77

    115

    165

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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 %

    Ap

    Bt1

    2Bt2

    2Bt3

    2Bt4

    0

    21

    44

    77

    115

    21

    44

    77

    115

    165

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    0.11

    0.02

    0.03

    0.04

    0.04

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

    ec meter, 1:1 water

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

    ochric epipedon

    argillic horizon

    0—21

    21—165

    —21—

    —144—
    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

    5

    —

    —

    168.6

    —

    2

    1267

    —

    201

    14.4

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    150909

    Bowling Green Warren County AP

    coop
    Ap—0 to 21 centimeters (0.0 to 8.3 inches); dark brown (7.5YR 3/4), brown (7.5YR 4/4), dry; silty clay loam; 10 percent sand; 61 percent silt; 29 percent clay; moderate medium subangular blocky parts to moderate fine granular structure; friable; 5.0 fine roots throughout; fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.4, pH meter; clear wavy boundary.
    Bt1—21 to 44 centimeters (8.3 to 17.3 inches); reddish brown (2.5YR 4/4) silty clay; 13 percent sand; 46 percent silt; 41 percent clay; moderate medium subangular blocky structure; friable; 5.0 fine roots throughout; 15 percent faint dark reddish brown (2.5YR 3/4), moist, clay films on all faces of peds; 2 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries in matrix; fragments; noneffervescent, by hcl, 1n; neutral, pH 6.7, pH meter; clear wavy boundary.
    2Bt2—44 to 77 centimeters (17.3 to 30.3 inches); red (2.5YR 4/6) silty clay; 7 percent sand; 42 percent silt; 51 percent clay; moderate medium angular blocky structure; firm; 3.0 fine roots throughout; 50 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on all faces of peds; 5 percent fine prominent spherical weakly coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries in matrix; 3 percent by volume nonflat subrounded very strongly coherent cemented 2-4-5 millimeter chert fragments; noneffervescent, by hcl, 1n; neutral, pH 6.9, pH meter; gradual wavy boundary.
    2Bt3—77 to 115 centimeters (30.3 to 45.3 inches); dark red (2.5YR 3/6) clay; 6 percent sand; 37 percent silt; 57 percent clay; weak medium angular blocky structure; firm; 0.5 fine roots throughout; 70 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on all faces of peds; 8 percent fine prominent irregular moderately coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries in matrix; 5 percent by volume nonflat subrounded very strongly coherent cemented 2-4-5 millimeter chert fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.3, pH meter; gradual wavy boundary.
    2Bt4—115 to 165 centimeters (45.3 to 65.0 inches); dark red (2.5YR 3/6) clay; 5 percent sand; 38 percent silt; 57 percent clay; weak medium angular blocky structure; friable; 0.5 very fine roots throughout; 60 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on all faces of peds; 10 percent fine prominent irregular moderately coherent cemented black (10YR 2/1), moist, manganese masses with sharp boundaries in matrix; 5 percent by volume nonflat subrounded very strongly coherent cemented 2-4-5 millimeter chert fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.3, pH meter.