IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1998MO203030M
  • User Pedon ID: 1998MO203030M
  • User Site Association ID: 8609
  • Transect:
  • User Transect ID - shannon-72C1
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9861330
  • NCSS Pedon Lab Data NASIS Record ID - 31616
  • Print Date: 6/2/2024

    • 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: 37.1089306
  • Std. Longitude: -91.3167389
  • Datum: WGS84
  • Township: T28N
  • Range: R3W
  • Section: 7
  • PLSS Details: 3100 feet E and 1900 feet N of the SW corner
  • Location Description: 3,100 feet east and 1,900 feet north of the southwest corner of sec. 7, T. 28 N., R. 3 W.
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-A3—Winona, Missouri

    • PEDON

  • Describers Name: LT,MS,BM,SE
  • Current Taxonomic Class: Fine-loamy, siliceous, active, mesic Typic Fragiudalfs
  • 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 - Hobson
  • PSC - 25 to 75 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Hobson
  • Taxonomic Class - Fine-loamy, siliceous, active, mesic Oxyaquic Fragiudalfs
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 3/26/1998
  • Moisture Class - udic
  • Moisture SUBClass - oxyaquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 21.4 percent of Percent clay in the control section and 3.5 Percent rock fragments in the control section (vol) and 42 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: pedisediment and/or residuum weathered from mixed and/or slope alluvium
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Bedrock: h slight weathered mixed-igneous and sedimentary
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/26/1998 (actual site observation date)
  • Air Photo ID: 20
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    noncoherent

    81 - 107

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

    ochric epipedon

    argillic horizon

    fragipan

    0—25

    25—203

    81—107

    —-

    —-

    —-
    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

    —

    —

    274

    —

    244

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); dark grayish brown (10YR 4/2) and dark yellowish brown (10YR 4/6) silt loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; 2 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU061591
    Bt1—25 to 41 centimeters (9.8 to 16.1 inches); yellowish brown (10YR 5/6) silt loam; weak fine granular structure; very friable; 7.0 fine and medium roots and 3.0 coarse roots; 3.0 medium vesicular and 7.0 fine vesicular pores; 2 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds and 10 percent distinct dark grayish brown (10YR 4/2) coats on faces of peds; 10 percent by volume nonflat angular indurated 2-?-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # MU061592
    Bt2—41 to 58 centimeters (16.1 to 22.8 inches); strong brown (7.5YR 5/6) silt loam; weak fine subangular blocky structure; friable; 3.0 medium and coarse roots and 7.0 fine roots; 3.0 medium vesicular and 7.0 fine vesicular pores; 10 percent distinct brown (10YR 5/3) coats on faces of peds and 20 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds; 12 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU061593
    Bt3—58 to 71 centimeters (22.8 to 28.0 inches); dark yellowish brown (10YR 4/6) silt loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 3.0 medium vesicular and 7.0 fine vesicular pores; 10 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds and 10 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds; 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU061594
    Bt4—71 to 81 centimeters (28.0 to 31.9 inches); strong brown (7.5YR 4/6) gravelly silt loam; moderate medium subangular blocky structure; friable; 0.9 very fine and fine roots; 3.0 fine and medium vesicular pores; 1 percent distinct black (N 2/0) manganese or iron-manganese stains on lower surfaces of peds or rocks and 20 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds and 30 percent distinct yellowish brown (10YR 5/6) clay films on faces of peds; 20 percent fine irregular noncoherent cemented very pale brown (10YR 7/3) iron depletions between peds; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU061595
    2Btx—81 to 107 centimeters (31.9 to 42.1 inches); dark yellowish brown (10YR 4/6) extremely gravelly silt loam; weak fine subangular blocky structure; firm; brittle; 0.9 very fine and fine roots in cracks; 1.0 very fine and fine vesicular pores; 10 percent distinct brown (10YR 5/3) clay films on rock fragments and 15 percent distinct light brownish gray (10YR 6/2) silt coats on rock fragments and 20 percent distinct yellowish brown (10YR 5/6) clay films on rock fragments; 5 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 55 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU061596
    3Bt5—107 to 145 centimeters (42.1 to 57.1 inches); dark red (2.5YR 3/6) very gravelly clay; weak medium subangular blocky structure; very firm; 0.9 very fine and fine roots; 1.0 very fine and fine vesicular pores; 15 percent distinct dark red (2.5YR 3/6) clay films on faces of peds and 35 percent distinct brown (7.5YR 4/4) clay films on lower surfaces of peds or rocks and 35 percent distinct pinkish gray (7.5YR 6/2) silt coats on rock fragments; 10 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU061597
    3Bt6—145 to 185 centimeters (57.1 to 72.8 inches); dark red (2.5YR 3/6) clay; weak fine angular blocky, and strong coarse subangular blocky structure; very firm; 0.9 very fine and fine roots; 1.0 very fine and fine vesicular pores; 15 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds and 40 percent distinct dark yellowish brown (10YR 3/6) clay films on faces of peds; 10 percent by volume nonflat indurated 2-76-150 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU061598
    3Bt7—185 to 203 centimeters (72.8 to 79.9 inches); dark red (2.5YR 3/6) very gravelly clay; moderate medium angular blocky structure; very firm; 0.9 fine and medium roots; 3.0 very fine and fine vesicular pores; 15 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds and 60 percent distinct dark yellowish brown (10YR 3/6) clay films on faces of peds; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments. Lab sample # MU061599