IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1985IA055022
  • User Pedon ID: S1985IA0550022
  • Vegetation Plot ID: S1985IA0550022
  • User Site Association ID: NC-WAV_Fayette_Paha_PedonsNC-WAV_Downs_Paha_Pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0335
  • NCSS Pedon Lab Data NASIS Record ID - 56051
  • 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: 42.5916672
  • Std. Longitude: -91.4583359
  • Datum: WGS84
  • Township: 90N
  • Range: 5W
  • Section: 20
  • PLSS Details: 2451 feet north and 547 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 Mollic Hapludalfs
  • Current Taxon Kind: series
  • 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
  • Classificaton Date - 6/2/2014
  • Classifier - Shaunna Repking
  • Soil Taxonomic Edition - tenth edition
  • 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 - 2
  • 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: moderately 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—15

    15—86

    —-

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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

    12

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    —

    —

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    0

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); 90 percent dark brown (10YR 3/3) interior and 10 percent brown (10YR 4/3) interior silt loam; cloddy parts to weak fine granular structure; friable; few (0.5) fine roots; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 85P01601; moist when described;. 10YR 4/3 mixing
    Bt1—15 to 36 centimeters (5.9 to 14.2 inches); dark yellowish brown (10YR 4/4) interior silt loam; moderate fine subangular blocky structure; friable; few (0.5) fine roots; clay films on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 85P01602; moist when described;. discontinuous - phpvsfiid 1313701; discontinuous - phpvsfiid 1313701
    Bt2—36 to 51 centimeters (14.2 to 20.1 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; 1 percent light brownish gray (2.5Y 6/2) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; friable; few (0.5) fine roots; clay films on faces of peds; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 85P01603; moist when described;. few fine distinct 2.5Y62 mottles; common fine distinct 10YR56 mottles; continuous - phpvsfiid 1313702; continuous - phpvsfiid 1313702
    Bt3—51 to 69 centimeters (20.1 to 27.2 inches); 33 percent brown (10YR 4/3) interior and 33 percent light brownish gray (2.5Y 6/2) and 33 percent yellowish brown (10YR 5/6) silt loam; weak fine and medium subangular blocky structure; friable; few (0.5) fine roots; clay films on faces of peds; 11 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog. Lab sample # 85P01604; moist when described;. thin sand lens at lower depth; common fine iron-manganese concretions concentrations; continuous - phpvsfiid 1313703; continuous - phpvsfiid 1313703
    Bt3—69 to 86 centimeters (27.2 to 33.9 inches); 33 percent brown (10YR 4/3) interior and 33 percent light brownish gray (2.5Y 6/2) and 33 percent yellowish brown (10YR 5/6) silt loam; weak fine and medium subangular blocky structure; friable; few (0.5) fine roots; 11 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary. Lab sample # 85P01605; moist when described;. common fine iron-manganese concretions concentrations
    BC—86 to 107 centimeters (33.9 to 42.1 inches); brown (10YR 5/3) interior silt loam; 11 percent light brownish gray (2.5Y 6/2) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; friable; few (0.5) fine roots; 15 percent brown (10YR 4/3), moist, coats on faces of peds; 11 percent fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary.; moist when described;. Not sampled.; common fine iron-manganese concretions concentrations; few coats surface features on faces of peds; few fine roots; common fine distinct 2.5Y62 mottles; common fine distinct 10YR56 mottles
    C1—107 to 122 centimeters (42.1 to 48.0 inches); light brownish gray (2.5Y 6/2) interior silt loam; 11 percent light gray (2.5Y 7/2) fine faint mottles; structureless massive; friable; few (0.5) fine roots; 15 percent brown (10YR 5/3), moist, coats on faces of peds; fine iron-manganese concretions; fragments; slightly acid, pH 6.2, hellige-truog; gradual smooth boundary.; moist when described;. Not sampled.; few fine iron-manganese concretions concentrations; few coats surface features on faces of peds; few fine roots; common fine faint 2.5Y72 mottles
    C2—122 to 152 centimeters (48.0 to 59.8 inches); 50 percent light brownish gray (2.5Y 6/2) interior and 50 percent 2.5Y 7/0 (2.5Y 7/0) silt loam; structureless massive; friable; few (0.5) fine roots; medium masses of oxidized iron; fragments; slightly acid, pH 6.2, hellige-truog.; moist when described;. Not sampled. Some thin sand lenses.; few medium soft masses of iron concentrations; few fine roots