IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1985IA055023
  • User Pedon ID: S1985IA0550023
  • Vegetation Plot ID: S1985IA0550023
  • User Site Association ID: 11-WAV_Fayette_Paha_Pedons11-WAV_Downs_Paha_Pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0336
  • NCSS Pedon Lab Data NASIS Record ID - 56052
  • 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: 42.5916672
  • Std. Longitude: -91.4583359
  • Datum: WGS84
  • Township: 90N
  • Range: 5W
  • Section: 20
  • PLSS Details: 2438 feet north and 331 feet east of southwest corner
  • Country: US—United States
  • State: Iowa
  • County: IA055—Delaware
  • MLRA: 104—Eastern Iowa and Minnesota Till Prairies
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-WAV—Waverly, Iowa
  • Non-MLRA Soil Survey Area: IA055—Delaware County, Iowa

    • PEDON

  • Describers Name: Unknown
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Dystric Eutrochrepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 38 to 89 cm.
  • Classificaton Date - 7/11/2007
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Downs
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • Classificaton Date - 11/1/1985
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Current Crop - corn
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 1
  • QA Status: not reviewed


    • SITE

  • Parent Material: loess
  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1985 (actual site observation date)
  • Data Collector: Unknown
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • 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

    ZEMA

    Zea mays

    corn

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    —

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    38—91

    —-

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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

    8

    —

    —

    —

    —

    0

    —

    —

    —

    —

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark brown (10YR 2/2) interior silt loam; cloddy, and weak fine granular structure; friable; few (0.5) fine roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 85P01606; moist when described;
    E—20 to 28 centimeters (7.9 to 11.0 inches); 80 percent brown (10YR 5/3) interior and 20 percent very dark grayish brown (10YR 3/2) interior silt loam; weak fine granular, and weak medium platy structure; friable; few (0.5) fine roots; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # 85P01607; moist when described;. 10YR 3/2 mixing
    BE—28 to 38 centimeters (11.0 to 15.0 inches); dark brown (10YR 3/3) interior silt loam; weak fine subangular blocky structure; friable; few (0.5) fine roots; fragments; slightly acid, pH 6.4, hellige-truog; clear smooth boundary. Lab sample # 85P01608; moist when described;
    Bt1—38 to 53 centimeters (15.0 to 20.9 inches); brown (10YR 4/3) interior silty clay loam; moderate fine subangular blocky structure; friable; few (0.5) fine roots; clay films on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 85P01609; moist when described;. discontinuous - phpvsfiid 1313706; discontinuous - phpvsfiid 1313706
    Bt2—53 to 64 centimeters (20.9 to 25.2 inches); brown (10YR 4/3) interior silty clay loam; moderate fine and medium subangular blocky structure; friable; few (0.5) fine roots; clay films on faces of peds and light gray (10YR 7/1), moist, skeletans on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog. Lab sample # 85P01610; moist when described;. continuous - phpvsfiid 1313707; continuous - phpvsfiid 1313707
    Bt2—64 to 76 centimeters (25.2 to 29.9 inches); brown (10YR 4/3) interior silty clay loam; moderate fine and medium subangular blocky structure; friable; few (0.5) fine roots; clay films on faces of peds and light gray (10YR 7/1), moist, skeletans on faces of peds; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 85P01611; moist when described;. continuous - phpvsfiid 1313709; continuous - phpvsfiid 1313709
    Bt3—76 to 91 centimeters (29.9 to 35.8 inches); yellowish brown (10YR 5/4) interior silty clay loam; 30 percent light brownish gray (2.5Y 6/2) fine distinct mottles; moderate fine and medium subangular blocky structure; friable; clay films on faces of peds and light gray (10YR 7/1), moist, skeletans on faces of peds and 15 percent brown (10YR 4/3), moist, organic stains on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 85P01612; moist when described;. many fine distinct 2.5Y62 mottles; continuous - phpvsfiid 1313711; continuous - phpvsfiid 1313711
    BC—91 to 114 centimeters (35.8 to 44.9 inches); yellowish brown (10YR 5/4) interior silt loam; 11 percent yellowish brown (10YR 5/6) fine faint and 30 percent light brownish gray (2.5Y 6/2) fine distinct mottles; weak coarse prismatic, and weak fine and medium subangular blocky structure; friable; 15 percent brown (10YR 4/3), moist, coats on faces of peds; iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary.; moist when described;. Not sampled.; few very fine and fine iron-manganese concretions concentrations; few coats surface features on faces of peds; common fine faint 10YR56 mottles; many fine distinct 2.5Y62 mottles
    C—114 to 152 centimeters (44.9 to 59.8 inches); 33 percent yellowish brown (10YR 5/4) interior and 33 percent yellowish brown (10YR 5/6) and 33 percent light brownish gray (2.5Y 6/2) silt loam; structureless massive; friable; 30 percent iron-manganese concretions; fragments; slightly acid, pH 6.4, hellige-truog.; moist when described;. Not sampled.; many very fine and fine iron-manganese concretions concentrations