IDENTIFIERS

  • Current Taxon Name (Soil Name): HUMESTON
  • OSD
  • Series Extent
  • User Site ID: S1971IA185002
  • User Pedon ID: S1971IA185002
  • Vegetation Plot ID: S1971IA185002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1483
  • NCSS Pedon Lab Data NASIS Record ID - 35091
  • 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: 40.8194427
  • Std. Longitude: -93.4325027
  • Datum: WGS84
  • Township: 70N
  • Range: 22W
  • Section: 31
  • PLSS Details: 250 feet N and 100 feet west of the southeast corner of the NE1/4
  • Location Description: on a nearly level bottom land.
  • State: Iowa
  • County: IA185—Wayne
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: IA185—Wayne County, Iowa

    • PEDON

  • Describers Name: J.D. Highland, L.D. Lockridge, and J.R. Worster
  • Current Taxonomic Class: Fine, montmorillonitic, mesic Argiaquic Argialbolls
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - HUMESTON
  • PSC - 79 to 129 cm.
  • Classificaton Date - 7/16/2007
  • Sampled As Information:
  • Soil Name - Humeston
  • Classificaton Date - 10/1/1971
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Slope Shape Down: linear
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1971 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    POA

    Poa

    bluegrass

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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

    1

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    A11—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) silty clay loam; weak fine subangular blocky parts to weak fine granular structure; friable; fragments; moderately acid, pH 5.6, unspecified; clear smooth boundary. Lab sample # 40A11547
    A12—18 to 33 centimeters (7.1 to 13.0 inches); very dark gray (10YR 3/1) silty clay loam; 10 percent dark brown (7.5YR 3/2) fine distinct mottles; moderate thin platy parts to moderate fine granular structure; friable; gray (10YR 6/1) silt coats and light gray (10YR 7/1), dry, silt coats; fragments; moderately acid, pH 5.6, unspecified; clear wavy boundary. Lab sample # 40A11548. fine sand coatings on peds.; discontinuous - phpvsfiid 191738; discontinuous - phpvsfiid 191739; discontinuous - phpvsfiid 191738; discontinuous - phpvsfiid 191739
    A21—33 to 46 centimeters (13.0 to 18.1 inches); dark gray (10YR 4/1) silt loam; 10 percent dark brown (7.5YR 3/2) fine distinct mottles; moderate thin platy structure; friable; 0.5 fine pores; light gray (10YR 7/1), dry, silt coats; fragments; strongly acid, pH 5.4, unspecified; clear smooth boundary. Lab sample # 40A11549. fine sand coatings on peds.; discontinuous - phpvsfiid 191740; discontinuous - phpvsfiid 191740
    A22—46 to 66 centimeters (18.1 to 26.0 inches); dark gray (10YR 4/1) silt loam; 1 percent dark brown (7.5YR 3/2) fine distinct mottles; weak medium subangular blocky structure; friable; light gray (10YR 7/1), dry, silt coats; fragments; very strongly acid, pH 5.0, unspecified; clear wavy boundary. Lab sample # 40A11550. some horizontal cleavage; fine sand coatings on peds.; continuous - phpvsfiid 191741; continuous - phpvsfiid 191741
    B&A—66 to 79 centimeters (26.0 to 31.1 inches); very dark gray (10YR 3/1) silty clay loam; weak medium subangular blocky structure; friable; 15 percent dark brown (10YR 3/3) oxide coats and 37 percent light gray (10YR 7/1), dry, silt coats; fragments; very strongly acid, pH 4.8, unspecified; clear wavy boundary. Lab sample # 40A11551. fine sand coatings on peds and accumulations in root channels.; continuous - phpvsfiid 191742; continuous - phpvsfiid 191742
    B21t—79 to 91 centimeters (31.1 to 35.8 inches); very dark gray (10YR 3/1) silty clay loam; weak medium prismatic parts to weak fine subangular blocky structure; firm; faint light gray (10YR 7/1), dry, silt coats and 37 percent dark brown (10YR 3/3) oxide coats; fragments; very strongly acid, pH 4.8, unspecified; clear smooth boundary. Lab sample # 40A11552. fine sand coatings on peds which are thicker and more pronounced on the prism faces.; patchy - phpvsfiid 191744; patchy - phpvsfiid 191744
    B22t—91 to 114 centimeters (35.8 to 44.9 inches); black (10YR 2/1) silty clay loam; weak medium prismatic parts to moderate fine subangular blocky structure; firm; faint clay films and 15 percent faint light gray (10YR 7/1), dry, silt coats; fragments; very strongly acid, pH 4.8, unspecified; gradual smooth boundary. Lab sample # 40A11553. fine sand coatings on peds.; discontinuous - phpvsfiid 175403; discontinuous - phpvsfiid 175404; discontinuous - phpvsfiid 175403; discontinuous - phpvsfiid 175404
    B23t—114 to 152 centimeters (44.9 to 59.8 inches); black (N 2/0) silty clay loam; moderate medium prismatic structure; firm; 15 percent faint clay films; fragments; strongly acid, pH 5.4, unspecified; gradual smooth boundary. Lab sample # 40A11554. discontinuous - phpvsfiid 175405; discontinuous - phpvsfiid 175405
    B31gt—152 to 178 centimeters (59.8 to 70.1 inches); very dark gray (10YR 3/1) silty clay loam; 1 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; weak coarse prismatic parts to weak coarse subangular blocky structure; firm; 15 percent faint clay films and 15 percent black (10YR 2/1) coats in root channels and/or pores; fragments; moderately acid, pH 5.6, unspecified; gradual smooth boundary. Lab sample # 40A11555. discontinuous - phpvsfiid 175406; discontinuous - phpvsfiid 175406
    B32gt—178 to 203 centimeters (70.1 to 79.9 inches); dark gray (10YR 4/1) silty clay loam, sand; 1 percent olive brown (2.5Y 4/4) fine distinct mottles; weak coarse prismatic parts to weak medium subangular blocky structure; firm; black (10YR 2/1) coats in root channels and/or pores and very dark gray (10YR 3/1) coats in root channels and/or pores; fragments; moderately acid, pH 5.6, unspecified. Lab sample # 40A11556. discontinuous - phpvsfiid 175408; discontinuous - phpvsfiid 175409; discontinuous - phpvsfiid 175408; discontinuous - phpvsfiid 175409