IDENTIFIERS

  • Current Taxon Name (Soil Name): Lamoni
  • OSD
  • Series Extent
  • User Site ID: 1982MO079005m
  • User Pedon ID: 1982MO079005m
  • User Site Association ID: Lamoni TUDS
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8207905
  • NCSS Pedon Lab Data NASIS Record ID - 31173
  • Print Date: 4/25/2025

    • 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: 40.1038895
  • Std. Longitude: -93.5458298
  • Datum: WGS84
  • Township: T61N
  • Range: R24
  • Section: 12
  • PLSS Details: 2370 feet west and 295 feet south of the northeast corner of sec. 12, T61N R24W
  • Location Description: 2370 feet west and 295 feet south of the NE corner of sec. 12, T61N, R24W
  • Map Unit: 30136—Lamoni loam, 5 to 9 percent slopes
  • State: Missouri
  • County: MO079—Grundy
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO079—Grundy County, Missouri
  • 7.5 Minute USGS Quad: 40093-A5—Trenton East, Missouri

    • PEDON

  • Current Taxonomic Class: Fine-loamy Aquic Argiudolls
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Lamoni
  • PSC - 20 to 70 cm.
  • Classificaton Date - 4/12/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Lamoni
  • Taxonomic Class - Fine, smectitic, mesic Aquertic Argiudolls
  • Taxon Kind - series
  • Classificaton Date - 4/17/2003
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over till
  • Landscape: till plain
  • Landform: hillslope
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/17/2003 (entry creation date)
  • Data Collector: Pauls, W.R.
  • Surface Cover Properties:
  • 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

    mollic epipedon

    argillic horizon

    0—28

    28—152

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    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

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; loam; weak fine subangular blocky structure; friable; 6.0 very fine and fine roots; fragments; neutral, pH 6.6, pH meter; abrupt smooth boundary. Lab sample # MU030732; moist when described;
    Bt1—20 to 28 centimeters (7.9 to 11.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; clay loam; moderate fine subangular blocky structure; friable; 6.0 very fine and fine roots; fragments; strongly acid, pH 5.3, pH meter; clear smooth boundary. Lab sample # MU030733; moist when described;. There is a significant decrease in total sand content in the horizon as compared to the adjacent horizons, due to either a sampling or lab error
    2Bt2—28 to 43 centimeters (11.0 to 16.9 inches); dark grayish brown (10YR 4/2) clay; moderate medium subangular blocky structure; firm; 6.0 very fine and fine roots; very dark gray (10YR 3/1) organic stains on all faces of peds and 10 percent faint clay films; 10 percent fine prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; strongly acid, pH 5.2, pH meter; clear smooth boundary. Lab sample # MU030734; moist when described;. few fine pebbles;
    2Bt3—43 to 76 centimeters (16.9 to 29.9 inches); grayish brown (2.5Y 5/2) clay; weak medium subangular blocky structure; very firm; 3.0 very fine and fine roots; 30 percent distinct clay films; 1 percent fine prominent strong brown (7.5YR 4/6) masses of oxidized iron and 10 percent fine black (10YR 2/1) iron-manganese masses and 10 percent fine black (10YR 2/1) iron-manganese concretions and 25 percent medium prominent yellowish brown (10YR 5/6) masses of oxidized iron; fragments; moderately acid, pH 5.8, pH meter; gradual smooth boundary. Lab sample # MU030735; moist when described;. few fine pebbles;
    2Bt4—76 to 114 centimeters (29.9 to 44.9 inches); grayish brown (2.5Y 5/2) clay; weak medium prismatic structure; very firm; 0.5 very fine roots; 30 percent distinct clay films; 10 percent medium prominent dark yellowish brown (10YR 4/6) masses of oxidized iron and 10 percent fine prominent yellowish brown (10YR 5/4) masses of oxidized iron and 10 percent fine black (10YR 2/1) iron-manganese masses and 10 percent fine black (10YR 2/1) iron-manganese concretions; fragments; moderately acid, pH 5.9, pH meter; gradual smooth boundary. Lab sample # MU030736; moist when described;. few fine pebbles;
    2Bt5—114 to 152 centimeters (44.9 to 59.8 inches); gray (5Y 5/1) clay; weak medium prismatic structure; firm; 0.5 very fine roots; 10 percent faint clay films; 10 percent fine prominent yellowish brown (10YR 5/4) and dark yellowish brown (10YR 4/6) masses of oxidized iron and 10 percent fine black (10YR 2/1) iron-manganese masses and 10 percent fine black (10YR 2/1) iron-manganese concretions; fragments; slightly acid, pH 6.5, pH meter. Lab sample # MU030737; moist when described;. few fine pebbles;