IDENTIFIERS

  • Current Taxon Name (Soil Name): Blackford
  • OSD
  • Series Extent
  • User Site ID: 10KY107 Blackford-OSD
  • User Pedon ID: 10KY107 Blackford-OSD
  • Vegetation Plot ID: 10KY107 Blackford-OSD
  • Transect:
  • User Transect ID - T09KY047-Cu-002
  • Transect Stop Number - 1
  • Transect Interval - 24.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UK
  • Lab Pedon # - 10KY-107-001
  • NCSS Pedon Lab Data NASIS Record ID - 46426
  • Print Date: 2/16/2025

    • 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: 37.2760417
  • Std. Longitude: -87.7992722
  • Datum: WGS84
  • Map Unit: Cu—Cuba silt loam
  • Country: US—United States
  • State: Kentucky
  • County: KY107—Hopkins
  • MLRA: 120A—Kentucky and Indiana Sandstone and Shale Hills and Valleys, Southern Part
  • MLRA Soil Survey Area: NE-OWN—Owensboro, Kentucky
  • Non-MLRA Soil Survey Area: KY107—Hopkins County, Kentucky
  • 7.5 Minute USGS Quad: 37087-C7—Dalton, Kentucky

    • PEDON

  • Describers Name: Matt McCauley and Steve Neyhouse
  • Current Taxonomic Class: Coarse-silty, mixed, active, mesic Fluventic Dystrudepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Blackford (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 4/13/2012
  • Classifier - Matt McCauley
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Blackford (flagged as OSD)
  • Taxonomic Class - Coarse-silty, mixed, active, mesic Fluventic Dystrudepts
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/8/2010
  • Classifier - Matt McCauley
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: acid coarse-silty alluvium
  • Landscape: river valley
  • Landform: flood plain
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: frequent flooding for brief periods
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/8/2010 (actual site observation date)
  • Data Collector: Matt McCauley, Steve Neyhouse
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    GLMA4

    Glycine max

    soybean

    —

    —

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

    ochric epipedon

    cambic horizon

    0—22

    22—225

    —22—

    —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

    0.2

    —

    —

    110

    —

    270

    1223

    —

    190

    14.4

    —

    —

    —

    —

    —

    —

    —

    KY5067

    Madisonville

    coop
    Ap—0 to 22 centimeters (0.0 to 8.7 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 5 percent sand; 80 percent silt; 15 percent clay; moderate fine granular structure; friable; 0.5 medium roots throughout and 1.0 fine roots throughout; 1 percent fine prominent irregular moderately coherent cemented N 2/1 (N 2/1), moist, iron-manganese concretions with diffuse boundaries in matrix; fragments; moderately acid, pH 5.8, pH meter; abrupt smooth boundary. Lab sample # KY0445; observed in push tube
    Bw1—22 to 48 centimeters (8.7 to 18.9 inches); dark yellowish brown (10YR 4/6) silt loam; 5 percent sand; 82 percent silt; 13 percent clay; weak fine subangular blocky structure; friable; 0.5 medium roots throughout; 1 percent fine prominent irregular moderately coherent cemented N 2/1 (N 2/1), moist, iron-manganese concretions with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.8, pH meter; clear smooth boundary. Lab sample # KY0446; observed in push tube
    Bw2—48 to 86 centimeters (18.9 to 33.9 inches); dark yellowish brown (10YR 4/6) silt loam; 5 percent sand; 82 percent silt; 13 percent clay; weak medium subangular blocky structure; friable; 0.5 fine roots throughout; 1 percent fine prominent irregular moderately coherent cemented N 2/1 (N 2/1), moist, iron-manganese concretions with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.7, pH meter; clear smooth boundary. Lab sample # KY0447; observed in push tube
    Bw3—86 to 133 centimeters (33.9 to 52.4 inches); yellowish brown (10YR 5/4) silt loam; 5 percent sand; 82 percent silt; 13 percent clay; weak medium subangular blocky structure; friable; 0.2 very fine roots between peds; 5 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; 2 percent fine prominent irregular moderately coherent cemented N 2/1 (N 2/1), moist, iron-manganese concretions with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.6, pH meter; clear smooth boundary. Lab sample # KY0448; observed in push tube. continuous - phpvsfiid 683319; continuous - phpvsfiid 683319
    Bw4—133 to 194 centimeters (52.4 to 76.4 inches); yellowish brown (10YR 5/6) silt loam; 7 percent sand; 77 percent silt; 16 percent clay; weak medium subangular blocky structure; friable; 0.2 very fine roots between peds; 2 percent prominent light gray (10YR 7/2), moist, silt coats on all faces of peds; 2 percent fine prominent irregular moderately coherent cemented N 2/1 (N 2/1), moist, iron-manganese concretions with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.6, pH meter; clear smooth boundary. Lab sample # KY0449; observed in push tube. continuous - phpvsfiid 683320; continuous - phpvsfiid 683320
    BC—194 to 225 centimeters (76.4 to 88.6 inches); yellowish brown (10YR 5/4) silt loam; 7 percent sand; 71 percent silt; 22 percent clay; weak fine subangular blocky structure; friable; 2 percent fine prominent irregular moderately coherent cemented N 2/1 (N 2/1), moist, iron-manganese concretions with diffuse boundaries in matrix and 5 percent fine faint irregular weakly coherent cemented dark grayish brown (10YR 4/2), moist, masses of reduced iron with diffuse boundaries in matrix and 5 percent fine distinct irregular weakly coherent cemented strong brown (7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; fragments; very strongly acid, pH 4.6, pH meter. Lab sample # KY0450; observed in push tube