IDENTIFIERS

  • Current Taxon Name (Soil Name): Varna
  • OSD
  • Series Extent
  • User Site ID: 1977IL075002
  • User Pedon ID: 1977IL075002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 77IL075002
  • NCSS Pedon Lab Data NASIS Record ID - 20910
  • Print Date: 6/3/2024
  • 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: 40.9849776
  • Std. Longitude: -88.0090234
  • Datum: WGS84
  • Township: 29N
  • Range: 11E
  • Section: 19
  • PLSS Details: 142 feet S & 2583 feet W of the NE corner
  • State: Illinois
  • County: IL075—Iroquois
  • MLRA: 110—Northern Illinois and Indiana Heavy Till Plain
  • Non-MLRA Soil Survey Area: IL075—Iroquois County, Illinois
  • 7.5 Minute USGS Quad: 40088-H1—Piper City NE, Illinois
  • PEDON

  • Current Taxonomic Class: Fine, illitic, mesic Oxyaquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Varna
  • PSC - 25 to 75 cm.
  • Classificaton Date - 2/28/2019
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Varna
  • Classificaton Date - 1/1/1977
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Peoria loess over Wisconsinan till
  • Landscape: till plain
  • Landform: hillslope
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1977 (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

    argillic horizon

    densic contact

    0—25

    25—112

    112—112

    —25—

    —87—

    —0—

    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

    3

    212

    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (10YR 3/2) and grayish brown (10YR 5/2) silt loam; moderate very fine granular structure; friable; many (6.0) fine roots; rounded strongly coherent cemented mixed fragments; noneffervescent; moderately acid, pH 5.8; abrupt smooth boundary. Lab sample # IL24842
    Bt1—25 to 43 centimeters (9.8 to 16.9 inches); yellowish brown (10YR 5/4) silty clay loam; weak fine prismatic parts to moderate very fine subangular blocky structure; friable; common (4.0) fine roots; 25 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds and 50 percent faint brown (10YR 5/3), moist, clay films on all faces of peds; fragments; noneffervescent; very strongly acid, pH 4.7; clear smooth boundary. Lab sample # IL24843
    2Bt2—43 to 56 centimeters (16.9 to 22.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; moderate fine prismatic parts to moderate very fine subangular blocky structure; firm; common (4.0) fine roots; 50 percent distinct dark brown (10YR 3/3), moist, organoargillans on all faces of peds; 10 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron on faces of peds and 10 percent fine distinct dark grayish brown (10YR 4/2) iron depletions on faces of peds; fragments; noneffervescent; moderately acid, pH 5.8; clear smooth boundary. Lab sample # IL24844
    2Bt3—56 to 79 centimeters (22.0 to 31.1 inches); brown (10YR 4/3) silty clay loam; strong medium prismatic parts to moderate medium subangular blocky structure; firm; few (1.0) fine roots; 25 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds and 50 percent faint brown (10YR 4/3), moist, clay films on all faces of peds; 10 percent fine prominent black (7.5YR 2.5/1) iron-manganese concretions in matrix and 10 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron on faces of peds and 10 percent fine faint dark grayish brown (10YR 4/2) iron depletions on faces of peds; fragments; noneffervescent; neutral, pH 7.0; clear smooth boundary. Lab sample # IL24845
    2Bt4—79 to 102 centimeters (31.1 to 40.2 inches); brown (10YR 5/3) silty clay loam; strong medium prismatic parts to moderate medium subangular blocky structure; firm; few (1.0) fine roots; 25 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds; 10 percent fine prominent iron-manganese concretions in matrix and 10 percent fine faint grayish brown (10YR 5/2) iron depletions in matrix and 10 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron in matrix; fragments; slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL24846
    2BCt—102 to 112 centimeters (40.2 to 44.1 inches); brown (10YR 4/3) silty clay loam; moderate medium prismatic parts to weak medium subangular blocky structure; firm; 25 percent distinct very dark grayish brown (10YR 3/2), moist, organoargillans on all faces of peds; 1 percent medium prominent strong brown (7.5YR 5/6) masses of oxidized iron in matrix and 1 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron in matrix and 10 percent fine faint grayish brown (10YR 5/2) iron depletions in matrix; fragments; slight effervescence, by hcl, unspecified; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL24847
    2Cd—112 to 152 centimeters (44.1 to 59.8 inches); brown (10YR 4/3) silty clay loam; structureless massive; firm; 1 percent medium prominent strong brown (7.5YR 5/6) masses of oxidized iron in matrix and 1 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron in matrix and 10 percent fine faint grayish brown (10YR 5/2) iron depletions in matrix; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.1. Lab sample # IL24848