IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1998MO203035M
  • User Pedon ID: 1998MO203035M
  • User Site Association ID: 8609
  • Transect:
  • User Transect ID - shannon-72C1
  • Transect Stop Number - 6
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9861335
  • NCSS Pedon Lab Data NASIS Record ID - 31613
  • Print Date: 11/21/2024

    • 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: 37.3127778
  • Std. Longitude: -91.4242778
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-C4—Round Spring, Missouri

    • PEDON

  • Describers Name: RLT BM JSE
  • Current Taxonomic Class: Fine-loamy, siliceous, active, mesic Typic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Hobson
  • PSC - 28 to 78 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 - 28 to 78 cm.
  • Classificaton Date - 4/1/1998
  • 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: 20.4 Percent rock fragments in the control section (vol) and 11.9 percent of Percent clay in the control section and 50 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: pedisediment and/or residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hill
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1998 (actual site observation date)
  • Surface Cover Properties:
  • 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 - 142

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

    ochric epipedon

    argillic horizon

    fragipan

    0—28

    28—203

    81—142

    —-

    —-

    —-
    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

    3

    —

    —

    —

    —

    356

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) gravelly silt loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU061616
    E—15 to 28 centimeters (5.9 to 11.0 inches); brown (10YR 5/3) gravelly silt loam; weak fine subangular blocky structure; very friable; 7.0 fine to coarse roots; 7.0 fine tubular pores; 3 percent distinct dark yellowish brown (10YR 4/4) clay films on faces of peds and 5 percent distinct dark grayish brown (10YR 4/2) organic stains on faces of peds; 15 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # MU061617
    Bt1—28 to 61 centimeters (11.0 to 24.0 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak fine subangular blocky structure; very friable; 7.0 fine to coarse roots; 7.0 fine and medium tubular pores; 10 percent distinct dark yellowish brown (10YR 4/4) 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 # MU061618
    Bt2—61 to 81 centimeters (24.0 to 31.9 inches); 40 percent yellowish brown (10YR 5/4) and 60 percent strong brown (7.5YR 4/6) extremely gravelly loam; weak fine subangular blocky structure; friable; 3.0 fine and medium roots; 7.0 fine and medium tubular pores; 2 percent distinct dark yellowish brown (10YR 4/6) clay films on faces of peds and 5 percent distinct gray (10YR 6/1) clay films on faces of peds; 5 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 20 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU061619
    2Btx1—81 to 104 centimeters (31.9 to 40.9 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent strong brown (7.5YR 4/6) very gravelly silt loam; weak fine subangular blocky structure; friable; brittle; 0.9 fine and medium roots; 7.0 fine and medium tubular pores; 20 percent distinct brown (7.5YR 4/4) clay films on faces of peds and 50 percent distinct pale brown (10YR 6/3) silt coats on faces of peds; 20 percent by volume rounded 2-39-75 millimeter sandstone, unspecified fragments and 35 percent by volume nonflat subrounded indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU061620
    2Btx2—104 to 142 centimeters (40.9 to 55.9 inches); strong brown (7.5YR 4/6) very gravelly loam; weak fine angular blocky structure; friable; brittle; 0.9 fine roots; 7.0 fine and medium tubular pores; 3 percent distinct dark yellowish brown (10YR 3/6) clay films on faces of peds and 10 percent distinct yellowish red (5YR 4/6) clay films on faces of peds; 10 percent by volume subrounded 2-39-75 millimeter sandstone, unspecified fragments and 10 percent by volume rounded 2-39-75 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat rounded indurated 2-40-75 millimeter chert fragments and 20 percent by volume nonflat subrounded indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU061621
    3Bt3—142 to 180 centimeters (55.9 to 70.9 inches); 30 percent strong brown (7.5YR 4/6) and 70 percent yellowish red (5YR 4/6) very gravelly clay loam; weak fine subangular blocky structure; firm; 0.9 fine roots; 3.0 fine and medium tubular pores; 30 percent distinct red (2.5YR 4/6) clay films on faces of peds and 50 percent distinct brown (7.5YR 4/4) clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU061622
    3Bt4—180 to 203 centimeters (70.9 to 79.9 inches); 40 percent strong brown (7.5YR 5/6) and 60 percent red (2.5YR 4/6) clay; moderate medium subangular blocky structure; very firm; 3.0 fine tubular pores; 1 percent distinct pinkish gray (7.5YR 7/2) clay films in root channels and/or pores and 10 percent distinct red (2.5YR 4/6) clay films on faces of peds; 5 percent yellowish brown (10YR 5/8) masses of oxidized iron; fragments. Lab sample # MU061623