IDENTIFIERS

  • Current Taxon Name (Soil Name): Tama
  • OSD
  • Series Extent
  • User Site ID: S1978IA061006
  • User Pedon ID: S1978IA061006
  • Vegetation Plot ID: S1978IA061006
  • User Site Association ID: 11-WAV_Tama_PedonsLoamy-Silty Uplands (MN, IA, WI) DSP Project 2021-2024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X61120B
  • NCSS Pedon Lab Data NASIS Record ID - 74822
  • Print Date: 12/4/2024
  • 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: 42.3818258
  • Std. Longitude: -90.6831380
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 87N
  • Range: 2E
  • Section: 1
  • PLSS Details: 160 feet south and 420 feet east of the northwest corner
  • Country: US—United States
  • State: Iowa
  • County: IA061—Dubuque
  • MLRA: 105—Upper Mississippi River Bedrock Controlled Uplands and Valleys
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-ONA—Onalaska, Wisconsin
  • Non-MLRA Soil Survey Area: IA061—Dubuque County, Iowa
  • PEDON

  • Describers Name: Unknown
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Pedon PC 5.1
  • Correlated Information:
  • Soil Name - Tama
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/14/2013
  • Classifier - Unknown
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Tama
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Typic Argiudolls
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 2/14/2013
  • Classifier - Unknown
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Agronomic Feature - crop row on bed or ridge
  • Current Crop - corn
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


  • SITE

  • Parent Material: Peoria silty loess
  • Landform: ridge
  • Hill Slope Profile: summit
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • Plot/Site Set Up By - Unknown
  • Plot or Site Recorder - Unknown
  • VEGETATION

  • Vegplot Text Note(s): A scan of the original data (i.e. field sheet(s), edits, manuscripts, notes, and other associated data) is available in the scans archive.
  • SITE OBSERVATION

  • Observation Date: 7/21/1978 (actual site observation date)
  • Data Collector: Unknown
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • 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
  • Extra Moisture Source: none
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ZEMA

    Zea mays

    corn

    grass/grasslike

    100

    overstory

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

    mollic epipedon

    argillic horizon

    redox depletions with chroma 2 or less

    —-

    —-

    —-

    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

    135

    899

    155

    8

    22

    -5

    12

    22

    2

    558

    NOAA

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; silt loam; weak fine granular structure; friable; fragments; abrupt smooth boundary. Lab sample # ISU03882. slightly acid
    A1—20 to 30 centimeters (7.9 to 11.8 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate fine granular structure; friable; fragments; clear smooth boundary. slightly acid
    A2—30 to 46 centimeters (11.8 to 18.1 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; silt loam; moderate fine subangular blocky, and moderate medium granular structure; friable; dark brown (10YR 3/3), moist, coats on all faces of peds; fragments; clear smooth boundary. medium acid
    BA—46 to 58 centimeters (18.1 to 22.8 inches); brown (10YR 4/3) and very dark grayish brown (10YR 3/2) silt loam; 26 percent clay; moderate fine subangular blocky structure; friable; fragments; clear smooth boundary. strongly acid
    Bt1—58 to 79 centimeters (22.8 to 31.1 inches); yellowish brown (10YR 5/4) silty clay loam; 28 percent clay; moderate medium subangular blocky structure; friable; thin brown (10YR 4/3), moist, clay films; fragments; clear smooth boundary. strongly acid; discontinuous - phpvsfiid 1110836; discontinuous - phpvsfiid 1110836
    Bt2—79 to 97 centimeters (31.1 to 38.2 inches); yellowish brown (10YR 5/4) silty clay loam; 30 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; friable; thin brown (10YR 4/3), moist, clay films; fragments; clear smooth boundary. strongly acid; discontinuous - phpvsfiid 1110837; discontinuous - phpvsfiid 1110837
    BC—97 to 124 centimeters (38.2 to 48.8 inches); yellowish brown (10YR 5/4) silt loam; grayish brown (10YR 5/2) fine faint mottles; weak coarse prismatic structure; friable; fine black (10YR 2/1), moist, iron-manganese concretions; fragments; gradual smooth boundary. few very fine black (10YR 2/1) concretions (manganese oxide); strongly acid
    C—124 to 152 centimeters (48.8 to 59.8 inches); yellowish brown (10YR 5/4) silt loam; grayish brown (10YR 5/2) fine faint mottles; massive; friable; fine black (10YR 2/1), moist, iron-manganese concretions; 3-?-12 millimeter chert fragments observed by visual inspection method. few fine black (10YR 2/1) concretions (manganese oxide); few one-eighth to one-half inch chert fragments; medium acid