IDENTIFIERS

  • Current Taxon Name (Soil Name): Luana
  • OSD
  • Series Extent
  • User Site ID: S1976IA043004
  • User Pedon ID: S1976IA043004
  • Vegetation Plot ID: S1976IA043004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X22-902-1
  • NCSS Pedon Lab Data NASIS Record ID - 75061
  • Print Date: 3/2/2025

    • 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: 43.0626422
  • Std. Longitude: -91.3738914
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 95N
  • Range: 5W
  • Section: 12
  • PLSS Details: 20 feet south and 980 feet west of the northeast corner SE1/4NE1/4
  • Country: US—United States
  • State: Iowa
  • County: IA043—Clayton
  • 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: IA043—Clayton 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: Pedon PC 6.0B
  • Correlated Information:
  • Soil Name - Luana
  • PSC - 28 to 78 cm.
  • Classificaton Date - 8/20/1976
  • Classifier - Unknown
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Luana
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • PSC - 28 to 78 cm.
  • Classificaton Date - 8/20/1976
  • Classifier - Unknown
  • 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
  • Geomorphic Component Hills: side slope
  • Slope Complexity: simple
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent
  • 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: 8/20/1976 (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 - 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 Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    —

    —

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

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    paralithic contact

    paralithic materials

    —

    —

    —

    —

    —

    —-

    —-

    —-

    —-

    —-
    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

    10

    —

    —

    —

    —

    45

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00132603

    ELKADER 6 SSW, IA US

    NOAA
    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) and brown (10YR 4/3) silt loam; weak fine subangular blocky structure; friable; fragments; moderately acid, pH 5.8, unspecified; abrupt smooth boundary. Lab sample # ISU00700
    AB—20 to 28 centimeters (7.9 to 11.0 inches); brown (10YR 4/3) silt loam; weak fine subangular blocky structure; friable; fragments; moderately acid, pH 5.8, unspecified; clear smooth boundary. Lab sample # ISU00701
    Bt1—28 to 46 centimeters (11.0 to 18.1 inches); yellowish brown (10YR 5/6) silt loam; moderate fine subangular blocky structure; friable; coats and dark yellowish brown (10YR 4/4), moist, coats; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # ISU00702. heavy sil
    Bt2—46 to 71 centimeters (18.1 to 28.0 inches); yellowish brown (10YR 5/6) silty clay loam; moderate fine subangular blocky structure; friable; dark yellowish brown (10YR 4/4), moist, coats and brown (10YR 4/3), moist, clay films; fragments; neutral, pH 6.6, unspecified; clear smooth boundary. Lab sample # ISU00703. lt. sicl; discontinuous - phpvsfiid 1248821; discontinuous - phpvsfiid 1248821
    Bt3—71 to 79 centimeters (28.0 to 31.1 inches); brownish yellow (10YR 6/6) silty clay; strong medium angular blocky structure; very firm; yellowish brown (10YR 5/6), moist, coats and dark brown (7.5YR 3/2), moist, clay films; fragments; neutral, pH 6.6, unspecified; abrupt wavy boundary. Lab sample # ISU00704. continuous - phpvsfiid 1248823; continuous - phpvsfiid 1248823
    2Cr—79 to 152 centimeters (31.1 to 59.8 inches); yellow (10YR 7/8) sandy loam; massive; firm; 30 percent by volume limestone, arenaceous fragments observed by visual inspection method; slightly alkaline, pH 7.8, unspecified. Lab sample # ISU00705. arenaecous limestone; about 20-30% hard limestone fragments