IDENTIFIERS

  • Current Taxon Name (Soil Name): Hobson
  • OSD
  • Series Extent
  • User Site ID: 1991MO057006M
  • User Pedon ID: 1991MO057006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9105706
  • Print Date: 11/24/2024
  • 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: 37.5652778
  • Std. Longitude: -93.6942306
  • Datum: WGS84
  • Township: T33N
  • Range: R25W
  • Section: 29
  • PLSS Details: 2600 feet N and 1550 feet W of the SE corner
  • Location Description: 2600 feet north and 1550 feet west of the southeast corner of sec. 29, T. 33 N., R. 25 W.
  • Map Unit: 73075—Hobson loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO057—Dade
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO057—Dade County, Missouri
  • PEDON

  • Describers Name: Max Aldrich, Charles Harwood and R. D. Chorice.
  • Current Taxonomic Class: Fine-loamy, siliceous, mesic Oxyaquic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Hobson
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Hobson
  • Taxon Kind - series
  • Classificaton Date - 4/3/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: slope alluvium derived from sandstone and/or residuum weathered from sandstone
  • Landscape: plateau
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: moderately well
  • Bedrock: sandstone, unspecified
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/3/1991 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    cambic horizon

    0—23

    23—112

    53—112

    112—152

    —-

    —-

    —-

    —-

    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

    4

    294

    270

    Ap—0 to 15 centimeters (0.0 to 5.9 inches); dark grayish brown (10YR 4/2) silt loam; moderate medium granular structure; very friable; 10.0 fine and medium roots; fragments; very strongly acid, pH 4.7, hellige-truog; abrupt smooth boundary. Lab sample # MU014900
    E—15 to 23 centimeters (5.9 to 9.1 inches); brown (10YR 4/3) silt loam; weak thin platy structure; friable; 3.0 fine and medium roots; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU014901
    Bt—23 to 53 centimeters (9.1 to 20.9 inches); dark yellowish brown (10YR 4/6) clay loam; moderate medium subangular blocky structure; firm; 0.5 fine roots; 4 percent faint clay films on faces of peds; fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU014902
    2Btx1—53 to 76 centimeters (20.9 to 29.9 inches); grayish brown (10YR 5/2) and reddish yellow (7.5YR 6/6) and dark red (2.5YR 3/6) loam; moderate very coarse prismatic parts to strong thin platy structure; firm; brittle; 0.5 fine roots in cracks; 10 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.1, hellige-truog; gradual wavy boundary. Lab sample # MU014903
    2Btx2—76 to 112 centimeters (29.9 to 44.1 inches); grayish brown (10YR 5/2) and reddish yellow (7.5YR 6/6) and dark red (2.5YR 3/6) loam; moderate very coarse prismatic parts to weak medium platy structure; firm; brittle; 0.5 fine roots in cracks; 10 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.1, hellige-truog; abrupt smooth boundary. Lab sample # MU014904
    3C—112 to 152 centimeters (44.1 to 59.8 inches); brownish yellow (10YR 6/6) and grayish brown (10YR 5/2) fine sandy loam; massive; friable; fragments; moderately acid, pH 5.6, hellige-truog. Lab sample # MU014905