IDENTIFIERS

  • Current Taxon Name (Soil Name): Readlyn
  • OSD
  • Series Extent
  • User Site ID: 1964IA089001
  • User Pedon ID: S1964IA089001
  • User Site Association ID: NC-WAV_Readlyn_Pedons
  • Transect:
  • Transect Stop Number - 1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X45-399-1
  • NCSS Pedon Lab Data NASIS Record ID - 75260
  • 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: 43.4704400
  • Std. Longitude: -92.5530190
  • Datum: WGS84
  • Country: US—United States
  • State: Iowa
  • County: IA089—Howard
  • 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: IA089—Howard County, Iowa

    • PEDON

  • Describers Name: RL Buckner, Voy
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, mesic Aquic Hapludolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Digital Pen
  • Correlated Information:
  • Soil Name - Readlyn
  • Classificaton Date - 11/18/2013
  • Classifier - Neil Sass
  • Sampled As Information:
  • Soil Name - Readlyn
  • Taxonomic Class - Fine-loamy, mixed, superactive, mesic Aquic Hapludolls
  • Taxon Kind - series
  • Classificaton Date - 8/25/1964
  • Classifier - Voy
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: not certified
  • QC Status: level 1


    • SITE

  • Parent Material: pedisediment and/or till
  • Landscape: dissected till plain
  • Landform: upland flat
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/25/1964 (actual site observation date)
  • Data Collector: Voy and Buckner
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

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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

    —

    —

    —

    —

    180

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1) loam; fine granular structure; friable; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # ISU03578
    A1—18 to 33 centimeters (7.1 to 13.0 inches); very dark brown (10YR 2/2) and reddish black (10R 2/1) loam; moderate fine granular structure; friable; black (10YR 2/1) organic stains on all faces of peds; fragments; moderately acid, pH 5.8; gradual smooth boundary. Lab sample # ISU03579
    Bw1—33 to 48 centimeters (13.0 to 18.9 inches); very dark grayish brown (2.5Y 3/2) loam; 1 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; moderate fine subangular blocky structure; friable; very dark grayish brown (10YR 3/2) organic stains on all faces of peds; fragments; moderately acid, pH 5.8; clear smooth boundary. Lab sample # ISU03580
    2Bw2—48 to 58 centimeters (18.9 to 22.8 inches); olive brown (2.5Y 4/4) loam; 1 percent dark grayish brown (2.5Y 4/2) fine faint mottles; moderate medium prismatic, and moderate fine subangular blocky structure; firm; fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # ISU03581
    2Bw3—58 to 94 centimeters (22.8 to 37.0 inches); yellowish brown (10YR 5/6) loam; 1 percent dark grayish brown (2.5Y 4/2) fine distinct mottles; moderate medium prismatic structure; firm; dark grayish brown (2.5Y 4/2) on all faces of peds and very dark gray (10YR 3/1) clay films on surfaces along root channels; 1 percent medium weakly coherent cemented iron-manganese nodules; medium ; fragments; slightly acid, pH 6.3; clear wavy boundary. Lab sample # ISU03583, ISU03582
    2Bw4—94 to 117 centimeters (37.0 to 46.1 inches); yellowish brown (10YR 5/8) loam; 25 percent grayish brown (2.5Y 5/2) fine distinct mottles; moderate medium prismatic structure; firm; olive gray (5Y 5/2) on all faces of peds; 1 percent medium 5YR 4/8 (5YR 4/8) iron-manganese nodules and 12 percent coarse dark reddish brown (5YR 2/2) iron-manganese nodules; coarse and medium ; 3 percent by volume unspecified fragments; slightly acid, pH 6.3; gradual smooth boundary. Lab sample # ISU03585, ISU03584
    2BC—117 to 140 centimeters (46.1 to 55.1 inches); gray (5Y 5/1) and light olive brown (2.5Y 5/4) and yellowish brown (10YR 5/6) loam; weak medium prismatic structure; firm; 1 percent medium dark reddish brown (5YR 2/2) iron-manganese nodules; medium ; 3 percent by volume unspecified fragments; moderately alkaline, pH 8.1; clear wavy boundary. Lab sample # ISU03586
    2C—140 to 183 centimeters (55.1 to 72.0 inches); brownish yellow (10YR 6/8) and yellowish brown (10YR 5/6) and gray (5Y 6/1) loam; massive; firm; 3 percent medium carbonate concretions; 3 percent by volume unspecified fragments; strong effervescence; moderately alkaline, pH 8.1. Lab sample # ISU03587