IDENTIFIERS

  • Current Taxon Name (Soil Name): Harpster
  • OSD
  • Series Extent
  • User Site ID: 1981IL147005
  • User Pedon ID: 1981IL147005
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - IL SCL
  • Lab Pedon # - 81IL147005
  • NCSS Pedon Lab Data NASIS Record ID - 21380
  • Print Date: 5/11/2024

    • 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: 40.0308556
  • Std. Longitude: -88.5030611
  • Datum: WGS84
  • Township: 18N
  • Range: 6E
  • Section: 10
  • PLSS Details: 2000 feet north and 580 feet west of the southeast corner
  • Location Description: 73 feet north of field road and 580 feet east of center of road
  • State: Illinois
  • County: IL147—Piatt
  • MLRA: 108—Illinois and Iowa Deep Loess and Drift
  • Non-MLRA Soil Survey Area: IL147—Piatt County, Illinois
  • 7.5 Minute USGS Quad: 40088-A5—Monticello, Illinois

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Calciaquolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Harpster
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/23/2014
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Harpster
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Calciaquolls
  • Taxon Kind - series
  • Classificaton Date - 1/1/1981
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: calcareous loess
  • Landscape: till plain
  • Landform: depression
  • Hill Slope Profile: toeslope
  • Runoff: negligible
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: yes

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1981 (actual site observation date)
  • Air Photo ID:
  • 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
  • Yield Study ID -
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    calcic horizon

    aquic conditions

    cambic horizon

    0—38

    0—58

    38—152

    58—94

    —38—

    —58—

    —114—

    —36—
    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

    —

    —

    213

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Akp—0 to 23 centimeters (0.0 to 9.1 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; weak coarse granular structure; friable; few (0.5) fine roots; 1 percent shell fragments throughout; fragments; violent effervescence; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # IL28482
    Ak—23 to 38 centimeters (9.1 to 15.0 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; moderate medium granular structure; friable; few (0.5) medium roots; 1 percent shell fragments throughout; fragments; violent effervescence; moderately alkaline, pH 8.0; clear smooth boundary. Lab sample # IL28483
    Bkg—38 to 58 centimeters (15.0 to 22.8 inches); dark gray (10YR 4/1) silty clay loam; moderate fine subangular blocky structure; friable; few (0.5) fine roots; 35 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 1 percent fine distinct yellowish brown (10YR 5/4), moist, masses of oxidized iron in matrix; 1 percent shell fragments throughout; fragments; violent effervescence; slightly alkaline, pH 7.7; clear smooth boundary. Lab sample # IL28484
    Bg1—58 to 74 centimeters (22.8 to 29.1 inches); olive gray (5Y 4/2) silty clay loam; moderate medium subangular blocky structure; friable; few (0.5) fine roots; 50 percent distinct very dark gray (5Y 3/1), moist, organic stains on all faces of peds; 1 percent fine prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron in matrix and 1 percent fine iron-manganese masses throughout; 1 percent shell fragments throughout; fragments; slight effervescence; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # IL28485
    Bg2—74 to 84 centimeters (29.1 to 33.1 inches); light brownish gray (2.5Y 6/2) silty clay loam; moderate coarse subangular blocky, and moderate medium subangular blocky structure; friable; few (0.5) fine roots; 35 percent distinct very dark grayish brown (2.5Y 3/2), moist, organic stains on all faces of peds; 1 percent fine iron-manganese masses throughout and 10 percent medium prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron in matrix; fragments; strong effervescence; slightly alkaline, pH 7.6; clear smooth boundary.
    BCg—84 to 94 centimeters (33.1 to 37.0 inches); light brownish gray (2.5Y 6/2) silt loam; weak coarse subangular blocky structure; friable; few (0.5) fine roots; 1 percent fine iron-manganese masses throughout and 25 percent medium prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron in matrix; fragments; strong effervescence; slightly alkaline, pH 7.8; gradual smooth boundary.
    Cg—94 to 152 centimeters (37.0 to 59.8 inches); light brownish gray (2.5Y 6/2) silt loam; structureless massive; friable; few (0.5) fine roots; 1 percent fine iron-manganese masses throughout and 25 percent medium prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron in matrix; fragments; strong effervescence; moderately alkaline, pH 8.0.