IDENTIFIERS

  • Current Taxon Name (Soil Name): hardeman
  • OSD
  • Series Extent
  • User Site ID: ok065-HdmB-hardeman-1
  • User Pedon ID: s97OK-065-006 hardeman
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 97P0507
  • NCSS Pedon Lab Data NASIS Record ID - 10190
  • Print Date: 2/1/2025

    • LOCATION

  • Township: 3 north
  • Range: 18 west
  • Section: 31
  • PLSS Details: 2650 feet north and 1500 feet west of the southeast corner
  • Map Unit: HdmB—Hardeman fine sandy loam, 1 to 3 percent slopes, cool
  • Country: US—United States
  • State: Oklahoma
  • County: OK065—Jackson
  • MLRA: 78C—Central Rolling Red Plains, Eastern Part
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: OK065—Jackson County, Oklahoma
  • 7.5 Minute USGS Quad: 34099-F2—Headrick, Oklahoma

    • PEDON

  • Describers Name: Scott Keenan, Clay Salisbury, Richard Gelnar, Dwain Gelnar,Charles Cail, Dennis Ressel, Tom Reinsch
  • Current Taxonomic Class: Coarse-loamy, mixed, superactive, thermic Typic Haplustepts
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - hardeman
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - ustic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - hardeman
  • Classificaton Date - 7/17/1997
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • QA Status: level 3


    • SITE

  • Parent Material: coarse-loamy alluvium and/or eolian deposits
  • Landscape: river valley
  • Landform: terrace
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/17/1997 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    0—16

    16—279

    —-

    —-
    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

    —

    —

    431

    —

    660

    —

    210

    16.5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); light brown (7.5YR 6/4), brown (7.5YR 4/4), moist; fine sandy loam; moderate fine and medium granular structure; slightly hard, very friable; 6.0 very fine and fine roots; fragments; noneffervescent; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary.
    Bw1—15 to 43 centimeters (5.9 to 16.9 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; very fine sandy loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; slightly hard, very friable; 0.8 very fine and fine roots; 3.0 fine moderate-continuity interstitial and tubular pores; fragments; very slight effervescence; slightly alkaline, pH 7.5, hellige-truog; gradual smooth boundary.
    Bw2—43 to 79 centimeters (16.9 to 31.1 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; fine sandy loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; slightly hard, very friable; 0.1 very fine and fine roots; 6.0 fine high-continuity interstitial and tubular pores; fragments; very slight effervescence; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary.
    Bw3—79 to 117 centimeters (31.1 to 46.1 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; fine sandy loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; slightly hard, very friable; 0.1 very fine and fine roots; 6.0 fine and medium high-continuity interstitial and tubular pores; fragments; very slight effervescence; slightly alkaline, pH 7.8, hellige-truog; gradual smooth boundary.
    Bk—117 to 279 centimeters (46.1 to 109.8 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; sandy loam; weak fine and medium prismatic structure; slightly hard, very friable; 0.1 very fine and fine roots; 6.0 fine and medium high-continuity interstitial and tubular pores; 5 percent fine carbonate threads and 1 percent fine and medium carbonate concretions; fragments; strong effervescence; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. This layer split into 3 layers for sampling, 117-168 cm (46-66 in), 168-221 cm (66-87 in), and 221-279 cm (87-110 in). Effervescence increases with depth in this horizon.
    2BCk—279 to 310 centimeters (109.8 to 122.0 inches); red (2.5YR 5/6), red (2.5YR 4/6), moist; silty clay loam; weak coarse prismatic parts to weak medium subangular blocky structure; very hard, firm; 0.1 very fine roots; 0.8 very fine and fine low-continuity interstitial and tubular pores; 3 percent fine and medium carbonate masses and 3 percent fine and medium carbonate concretions; fragments; violent effervescence; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary.
    2C—310 to 330 centimeters (122.0 to 129.9 inches); red (2.5YR 5/6), red (2.5YR 4/6), moist; silty clay loam; massive; very hard, firm; fragments; violent effervescence; moderately alkaline, pH 8.0, hellige-truog. Material collected with hand auger for pedon description but not sampled for characterization. This horizon consists of weathered Permian Redbeds.