IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: S1982IA105017
  • User Pedon ID: S1982IA105017
  • Vegetation Plot ID: S1982IA105017
  • User Site Association ID: MLRA 105 - Deep Loess Soils - Glaciated Uplands - FY21 Proj
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - ISU2015
  • Lab Pedon # - X53-162-2
  • NCSS Pedon Lab Data NASIS Record ID - 74773
  • Print Date: 11/24/2024

    • 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: 42.2867437
  • Std. Longitude: -91.0478582
  • Datum: WGS84
  • GPS - Positional Error: 10.00
  • Township: 86N
  • Range: 2W
  • Section: 2
  • PLSS Details: 600 feet south and 1215 feet west of the center
  • Country: US—United States
  • State: Iowa
  • County: IA105—Jones
  • 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: IA105—Jones 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 - Downs
  • PSC - 33 to 83 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 - Downs
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • PSC - 33 to 83 cm.
  • Classificaton Date - 7/8/1982
  • Classifier - Unknown
  • 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: level 1
  • QA Status: not reviewed


    • SITE

  • Parent Material: Peoria silty loess
  • Landscape: upland
  • 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: 7/8/1982 (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

    ochric epipedon

    argillic horizon

    —

    —

    —-

    —-
    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

    6

    —

    —

    —

    —

    135

    899

    —

    155

    8

    22

    -5

    12

    22

    2

    558

    —

    00131257

    CASCADE, IA US

    NOAA
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak fine subangular blocky parts to weak fine granular, and platy structure; friable; fragments; slightly alkaline, pH 7.4, unspecified; abrupt smooth boundary. Lab sample # ISU01051. thin lenses of weak platy structure in the lower part
    BE—23 to 33 centimeters (9.1 to 13.0 inches); brown (10YR 4/3) silty clay loam; weak thin platy parts to weak fine granular structure; friable; very dark grayish brown (10YR 3/2), moist, coats on surfaces along root channels and very dark grayish brown (10YR 3/2), moist, coats on all faces of peds; fragments; slightly alkaline, pH 7.4, unspecified; clear smooth boundary. Lab sample # ISU01052
    Bt1—33 to 76 centimeters (13.0 to 29.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate fine subangular blocky structure; friable; clay films on all faces of peds; fragments; slightly alkaline, pH 7.4, unspecified; gradual smooth boundary. Lab sample # ISU01053. discontinuous - phpvsfiid 1260265; discontinuous - phpvsfiid 1260265
    Bt2—76 to 107 centimeters (29.9 to 42.1 inches); dark yellowish brown (10YR 4/4) silt loam; yellowish brown (10YR 5/6) fine faint mottles; weak medium subangular blocky structure; friable; clay films on all faces of peds and light gray (10YR 7/1), dry, silt coats; fragments; neutral, pH 6.8, unspecified; gradual smooth boundary. Lab sample # ISU01054. discontinuous - phpvsfiid 1260266; discontinuous - phpvsfiid 1260266
    BC—107 to 137 centimeters (42.1 to 53.9 inches); yellowish brown (10YR 5/4) silt loam; yellowish brown (10YR 5/6) fine distinct mottles; weak coarse prismatic parts to weak medium subangular blocky, and weak fine subangular blocky structure; friable; light gray (10YR 7/1), dry, silt coats; fragments; slightly acid, pH 6.2, unspecified; gradual smooth boundary. Lab sample # ISU01055
    C—137 to 152 centimeters (53.9 to 59.8 inches); yellowish brown (10YR 5/4) silt loam; massive; friable; fragments; slightly acid, pH 6.2, unspecified. Lab sample # ISU01056. some vertical cleavage