IDENTIFIERS

  • Current Taxon Name (Soil Name): Humeston
  • OSD
  • Series Extent
  • User Site ID: 1983MO079011m
  • User Pedon ID: 1983MO079011m
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8307911
  • NCSS Pedon Lab Data NASIS Record ID - 31169
  • Print Date: 2/16/2025

    • 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: 40.0486107
  • Std. Longitude: -93.6183319
  • Datum: WGS84
  • Township: T61N
  • Range: R24
  • Section: 29
  • PLSS Details: 900 feet north and 1600 feet west of the SE corner of sec. 29, T61N R24W
  • Location Description: 900 feet north and 1600 feet west of the SE corner of sec. 29, T61N, R24W
  • Map Unit: 36016—Humeston silt loam, 0 to 2 percent slopes, occasionally flooded
  • State: Missouri
  • County: MO079—Grundy
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: MO079—Grundy County, Missouri

    • PEDON

  • Current Taxonomic Class: Fine Argiaquic Argialbolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Humeston
  • PSC - 51 to 101 cm.
  • Classificaton Date - 4/12/2012
  • Soil Taxonomic Edition - ninth edition
  • Sampled As Information:
  • Soil Name - Humeston
  • Classificaton Date - 4/18/2003
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/18/2003 (entry creation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; silt loam; weak fine subangular blocky parts to weak fine granular structure; friable; 3.0 very fine and fine roots; fragments; slightly acid, pH 6.3, pH meter; clear smooth boundary. Lab sample # MU030759; moist when described;
    A—18 to 33 centimeters (7.1 to 13.0 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; weak fine subangular blocky parts to weak fine granular structure; friable; 3.0 very fine and fine roots; fragments; strongly acid, pH 5.5, pH meter; clear smooth boundary. Lab sample # MU030760; moist when described;
    E—33 to 51 centimeters (13.0 to 20.1 inches); dark gray (10YR 4/1) silt loam; weak fine subangular blocky parts to weak thin platy structure; friable; 3.0 very fine and fine roots; light gray (10YR 7/1) silt coats on all faces of peds; 10 percent fine distinct dark brown (7.5YR 3/2) iron-manganese masses; fragments; strongly acid, pH 5.3, pH meter; clear smooth boundary. Lab sample # MU030761; moist when described;
    Bt1—51 to 66 centimeters (20.1 to 26.0 inches); very dark gray (10YR 3/1) silty clay loam; weak fine subangular blocky structure; firm; 3.0 very fine and fine roots; light gray (10YR 7/1) silt coats on all faces of peds and 30 percent distinct clay films; 10 percent fine yellowish brown (10YR 5/4) and black (10YR 2/1) iron-manganese masses and 10 percent fine yellowish brown (10YR 5/4) and black (10YR 2/1) iron-manganese concretions; fragments; very strongly acid, pH 5.0, pH meter; gradual smooth boundary. Lab sample # MU030762; moist when described;
    Bt2—66 to 97 centimeters (26.0 to 38.2 inches); black (10YR 2/1) silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 very fine and fine roots; light gray (10YR 7/1) silt coats on all faces of peds and 30 percent distinct clay films; 10 percent fine yellowish brown (10YR 5/4) and black (10YR 2/1) iron-manganese masses and 10 percent fine yellowish brown (10YR 5/4) and black (10YR 2/1) iron-manganese concretions; fragments; very strongly acid, pH 4.5, pH meter; gradual smooth boundary. Lab sample # MU030763; moist when described;
    Bt3—97 to 127 centimeters (38.2 to 50.0 inches); black (10YR 2/1) silty clay; weak fine subangular blocky structure; firm; 0.5 very fine and fine roots; 30 percent distinct clay films; 10 percent fine yellowish brown (10YR 5/4) and black (10YR 2/1) iron-manganese masses and 10 percent fine yellowish brown (10YR 5/4) and black (10YR 2/1) iron-manganese concretions; fragments; very strongly acid, pH 5.0, pH meter; gradual smooth boundary. Lab sample # MU030764; moist when described;
    Bt4—127 to 152 centimeters (50.0 to 59.8 inches); very dark gray (10YR 3/1) silty clay; moderate fine subangular blocky structure; firm; 10 percent distinct clay films; 10 percent fine yellowish brown (10YR 5/4) masses of oxidized iron and 10 percent fine yellowish brown (10YR 5/6) and black (10YR 2/1) iron-manganese masses and 10 percent fine yellowish brown (10YR 5/6) and black (10YR 2/1) iron-manganese concretions; fragments; strongly acid, pH 5.4, pH meter. Lab sample # MU030765; moist when described;