IDENTIFIERS

  • Current Taxon Name (Soil Name): Tama
  • OSD
  • Series Extent
  • User Site ID: S1974IA045100
  • User Pedon ID: S1974IA045100
  • Vegetation Plot ID: S1974IA045100
  • User Site Association ID: 11-WAV_Tama_PedonsMLRA 105 - Deep Loess Soils - Glaciated Uplands - FY21 Proj
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X23-120B
  • NCSS Pedon Lab Data NASIS Record ID - 75071
  • Print Date: 12/11/2024

    • 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: 41.7744100
  • Std. Longitude: -90.3358685
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 81N
  • Range: 5E
  • Section: 35
  • PLSS Details: 880 feet north and 130 feet west of the southeast corner
  • Location Description: LOCATION SUSPECT see site text notes
  • Country: US—United States
  • State: Iowa
  • County: IA045—Clinton
  • 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: IA045—Clinton County, Iowa

    • PEDON

  • Describers Name: Larry Johnson, Larry Sabata, Louis Boeckman
  • 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 - 48 to 98 cm.
  • Classificaton Date - 3/14/2022
  • Classifier - Shaunna Repking
  • Soil Taxonomic Edition - twelfth 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 - 48 to 98 cm.
  • Classificaton Date - 9/9/1974
  • Classifier - Larry Johnson
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Agronomic Feature - close grown annual crop, or crop-fallow
  • Current Crop - alfalfa
  • Hydric: no
  • Certification Status: not certified
  • QC Status: not reviewed
  • QA Status: not reviewed


    • SITE

  • Parent Material: Peoria silty loess
  • Landscape: upland
  • 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

    SITE OBSERVATION

  • Observation Date: 9/9/1974 (actual site observation date)
  • Data Collector: Larry K Johnson
  • Surface Water Kind: none observed
  • Hydrology Status: unaltered
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - hayland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    MEDIC

    Medicago

    alfalfa

    forb

    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

    4

    —

    —

    —

    —

    270

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00131635

    CLINTON NUMBER 1, IA US

    NOAA
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); black (10YR 2/1) silt loam; cloddy structure; friable; fragments; neutral, pH 7.2, unspecified; abrupt smooth boundary. Lab sample # ISU03920
    A—20 to 36 centimeters (7.9 to 14.2 inches); very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2) silty clay loam; weak fine granular, and weak very fine granular structure; friable; fragments; neutral, pH 7.1, unspecified; clear smooth boundary. Lab sample # ISU03921. light silty clay loam; slightly acid
    AB—36 to 48 centimeters (14.2 to 18.9 inches); very dark grayish brown (10YR 3/2) and brown (10YR 4/3) silty clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable; fragments; neutral, pH 6.9, unspecified; clear smooth boundary. Lab sample # ISU03922. light silty clay loam; medium acid
    Bt1—48 to 69 centimeters (18.9 to 27.2 inches); brown (10YR 4/3) and very dark grayish brown (10YR 3/2) silty clay loam; weak fine subangular blocky, and weak medium subangular blocky structure; friable; very dark grayish brown (10YR 3/2), moist, coats on all faces of peds; fragments; neutral, pH 6.7, unspecified; clear smooth boundary. Lab sample # ISU03923. light silty clay loam; medium acid
    Bt2—69 to 86 centimeters (27.2 to 33.9 inches); brown (10YR 4/3) silty clay loam; weak medium subangular blocky, and weak fine subangular blocky structure; friable; thin clay films and thin silt coats; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU03924. light silty clay loam; medium acid; discontinuous - phpvsfiid 1124106; discontinuous - phpvsfiid 1375378; discontinuous - phpvsfiid 1124106; discontinuous - phpvsfiid 1375378
    Bt3—86 to 112 centimeters (33.9 to 44.1 inches); brown (10YR 4/3) silty clay loam; yellowish brown (10YR 5/6) medium faint mottles; weak medium prismatic parts to weak fine subangular blocky, and weak medium prismatic parts to weak medium subangular blocky structure; friable; thin clay films and silt coats; fragments; neutral, pH 6.8, unspecified; clear smooth boundary. Lab sample # ISU03925. discontinuous - phpvsfiid 1124107; discontinuous - phpvsfiid 1124108; discontinuous - phpvsfiid 1124107; discontinuous - phpvsfiid 1124108
    C—112 to 152 centimeters (44.1 to 59.8 inches); dark yellowish brown (10YR 4/4) silty clay loam; light brownish gray (10YR 6/2) fine faint and grayish brown (10YR 5/2) fine faint mottles; structureless massive; friable; fragments; neutral, pH 6.8, unspecified. Lab sample # ISU03926. light silty clay loam; slightly acid