IDENTIFIERS

  • Current Taxon Name (Soil Name): Lamotte
  • OSD
  • Series Extent
  • User Site ID: 1991MO123045M
  • User Pedon ID: 1991MO123045M
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9112345
  • NCSS Pedon Lab Data NASIS Record ID - 31377
  • Print Date: 11/27/2024

    • 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: 37.6247215
  • Std. Longitude: -90.3119736
  • Datum: WGS84
  • Township: T34N
  • Range: R6E
  • Section: 25
  • PLSS Details: 100 feet W and 4400 feet N of the SE corner
  • Location Description: 100 ft. W. and 4400 ft. N. of the SE corner of sec, 25, T. 34 N., R. 6 E.
  • Map Unit: 73148—Jonca silt loam, 3 to 8 percent slopes31C—Lamotte silt loam, 3 to 9 percent slopes
  • State: Missouri
  • County: MO123—Madison
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO123—Madison County, Missouri
  • 7.5 Minute USGS Quad: 37090-E3—Fredericktown, Missouri

    • PEDON

  • Describers Name: KEB, MLC, CGM, RDC and DB.
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Aquic Hapludults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Lamotte
  • PSC - 26 to 76 cm.
  • Classificaton Date - 3/28/2011
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Lamotte
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Ultic Hapludalfs
  • Taxon Kind - series
  • PSC - 26 to 76 cm.
  • Classificaton Date - 11/4/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 52 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: loess over solid rock derived from sandstone
  • Landscape: basin
  • Landform: ridge
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/4/1991 (actual site observation date)
  • Air Photo ID: C-2
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • 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

    1—25

    25—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

    6

    —

    —

    251

    —

    220

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments.
    A1—1 to 6 centimeters (0.4 to 2.4 inches); dark brown (10YR 3/3) and brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; moderate fine granular structure; very friable; 10.0 very fine to medium roots; fragments; very strongly acid, pH 4.7, hellige-truog; abrupt wavy boundary. Lab sample # MU042057
    A2—6 to 14 centimeters (2.4 to 5.5 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silt loam; weak medium subangular blocky parts to moderate fine granular structure; very friable; 10.0 fine and medium roots; fragments; very strongly acid, pH 4.5, hellige-truog; clear wavy boundary. Lab sample # MU042058
    E—14 to 26 centimeters (5.5 to 10.2 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; silt loam; weak fine subangular blocky parts to moderate very fine granular structure; very friable; 10.0 fine and medium roots and 0.5 coarse roots; 1 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU042059
    2Bt1—26 to 59 centimeters (10.2 to 23.2 inches); strong brown (7.5YR 4/6) loam; moderate fine subangular blocky structure; friable; 3.0 fine and medium roots; 15 percent faint clay films; fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU042060. 10 percent more sand was observed in the upper part of this horizon and mixing from above horizon.
    2Bt2—59 to 77 centimeters (23.2 to 30.3 inches); yellowish brown (10YR 5/4) loam; 1 percent strong brown (7.5YR 5/8) fine prominent mottles; moderate fine subangular blocky structure; friable; 3.0 fine roots; 15 percent distinct clay films; 30 percent coarse noncoherent cemented grayish brown (10YR 5/2) iron depletions; 1 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.3, hellige-truog; clear wavy boundary. Lab sample # MU042061
    2Bt3—77 to 95 centimeters (30.3 to 37.4 inches); yellowish brown (10YR 5/6) loam; 10 percent dark yellowish brown (10YR 4/6) medium and coarse faint mottles; weak coarse prismatic parts to moderate fine subangular blocky structure; firm; 0.5 very fine roots; faint and 15 percent distinct clay films; 10 percent very coarse and extremely coarse noncoherent cemented grayish brown (10YR 5/2) iron depletions; 1 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.3, hellige-truog; clear wavy boundary. Lab sample # MU042062
    2Bt4—95 to 120 centimeters (37.4 to 47.2 inches); yellowish brown (10YR 5/6) loam; 10 percent strong brown (7.5YR 5/8) fine and medium prominent mottles; moderate coarse prismatic parts to moderate fine subangular blocky structure; friable; 0.5 very fine and fine roots; 15 percent faint clay films and 35 percent prominent clay films on vertical faces of peds and 35 percent iron stains; 30 percent coarse noncoherent cemented gray (10YR 5/1) iron depletions; 1 percent by volume 2-39-75 millimeter unspecified fragments; extremely acid, pH 4.3, hellige-truog; gradual wavy boundary. Lab sample # MU042063. Gray (10YR 5/1) streaks have a higher percentage of clay. Roots are located in these seams.
    2Bt5—120 to 143 centimeters (47.2 to 56.3 inches); strong brown (7.5YR 5/8) fine sandy loam; moderate coarse prismatic parts to weak medium subangular blocky structure; firm; 0.5 fine roots; 15 percent distinct clay films and 35 percent iron stains; 1 percent coarse noncoherent cemented gray (10YR 5/1) iron depletions and 10 percent coarse noncoherent cemented gray (10YR 6/1) iron depletions; 1 percent by volume 2-39-75 millimeter unspecified fragments; 10 BT; extremely acid, pH 4.1, hellige-truog; abrupt wavy boundary. Lab sample # MU042064. Gray colors are vertical streaks. Roots are located in these seams.
    2BC—143 to 164 centimeters (56.3 to 64.6 inches); yellowish brown (10YR 5/4) fine sandy loam; 10 percent strong brown (7.5YR 5/8) medium prominent mottles; moderate coarse prismatic structure; firm; 0.5 very fine roots; 15 percent faint clay films; 30 percent very coarse and extremely coarse noncoherent cemented gray (10YR 6/1) iron depletions; 5 percent by volume 75-162-250 millimeter sandstone, unspecified fragments; extremely acid, pH 4.0, hellige-truog. Lab sample # MU042065