IDENTIFIERS

  • Current Taxon Name (Soil Name): Iva
  • OSD
  • Series Extent
  • User Site ID: S1987IL033006
  • User Pedon ID: 87IL033006
  • Vegetation Plot ID: S1987IL033006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0551
  • NCSS Pedon Lab Data NASIS Record ID - 59846
  • Print Date: 4/26/2025

    • 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: 39.0361099
  • Std. Longitude: -87.7055588
  • Datum: WGS84
  • Township: 7N
  • Range: 12W
  • Section: 23
  • PLSS Details: About 2000 feet south and 1200 feet west of the northeast corner
  • Location Description: Atlas Sheet 30.
  • State: Illinois
  • County: IL033—Crawford

    • PEDON

  • Describers Name: RAL
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Ochraqualfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Iva
  • PSC - 41 to 91 cm.
  • Classificaton Date - 1/11/2010
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Iva
  • Taxonomic Class - Fine-silty, mixed, mesic Aeric Ochraqualf
  • Taxon Kind - series
  • Classificaton Date - 4/1/1987
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1987 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    TRITI

    Triticum

    wheat

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

    ochric epipedon

    argillic horizon

    0—23

    41—114

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    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

    —

    —

    —

    154

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    1Ap—0 to 23 centimeters (0.0 to 9.1 inches); brown (10YR 5/3) interior, yellow (10YR 7/6) interior, dry; silt loam; moderate fine granular structure; friable; 2.5 fine roots; 1 percent fine spherical iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 87P02929. few fine soft masses of iron-manganese concentrations; common fine roots
    1E—23 to 41 centimeters (9.1 to 16.1 inches); pale brown (10YR 6/3) interior, very pale brown (10YR 8/2) interior, dry; silt loam; 11 percent yellowish brown (10YR 5/6) fine distinct mottles; moderate fine subangular blocky structure; friable; 0.5 fine roots; 37 percent faint light brownish gray (10YR 6/2) coats on faces of peds; 11 percent fine spherical iron-manganese masses; fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary. Lab sample # 87P02930. common fine soft masses of iron-manganese concentrations; common coats surface features on faces of peds; few fine roots; common fine distinct 10YR56 mottles
    1Bt1—41 to 64 centimeters (16.1 to 25.2 inches); yellowish brown (10YR 5/6) interior silty clay loam; strong fine and medium angular blocky structure; friable; 2.5 fine roots; 37 percent distinct light brownish gray (10YR 6/2), moist, coats on faces of peds and 55 percent distinct brown (10YR 5/3), moist, clay films on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # 87P02931. few fine soft masses of iron-manganese concentrations; many clay films surface features on faces of peds; common coats surface features on faces of peds; common fine roots; continuous - phpvsfiid 222021; continuous - phpvsfiid 222021
    1Bt2—64 to 89 centimeters (25.2 to 35.0 inches); yellowish brown (10YR 5/6) interior silty clay loam; 11 percent brown (10YR 5/3) fine distinct mottles; strong medium angular blocky structure; firm; 2.5 fine roots; 37 percent distinct light brownish gray (10YR 6/2), moist, coats on faces of peds and 55 percent distinct pale brown (10YR 6/3), moist, clay films on faces of peds; 1 percent medium spherical iron-manganese masses and 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # 87P02932. common fine soft masses of iron-manganese concentrations; few medium soft masses of iron-manganese concentrations; many clay films surface features on faces of peds; common coats surface features on faces of peds; common fine roots; common fine distinct 10YR53 mottles; continuous - phpvsfiid 222023; continuous - phpvsfiid 222023
    1Bt3—89 to 114 centimeters (35.0 to 44.9 inches); yellowish brown (10YR 5/6) interior silty clay loam; 11 percent brown (10YR 5/3) fine distinct and 11 percent strong brown (7.5YR 5/8) fine distinct mottles; moderate medium angular blocky structure; firm; 0.5 fine roots; 37 percent distinct brown (10YR 5/3), moist, clay films on faces of peds and 37 percent distinct strong brown (10YR 6/2), moist, coats on faces of peds; 1 percent medium spherical iron-manganese masses and 11 percent fine spherical iron-manganese masses; fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # 87P02933. At top of horizon between horizon 4 and 5 there was material that was gray and silty with abrupt boundaries. It was an up and down channel krotovina; (10YR 4/2) was color when taken in horizon 6. It was a small round spot after face of pit w; common fine soft masses of iron-manganese concentrations; few medium soft masses of iron-manganese concentrations; common clay films surface features on faces of peds; common coats surface features on faces of peds; few fine roots; common fine distinct 10YR53 mottles; common fine distinct 7.5YR58 mottles; continuous - phpvsfiid 222025; continuous - phpvsfiid 222025
    2BC—114 to 150 centimeters (44.9 to 59.1 inches); strong brown (7.5YR 5/6) interior and brown (10YR 5/3) interior silty clay loam; 11 percent light brownish gray (2.5Y 6/2) medium prominent mottles; weak medium subangular blocky structure; friable; 0.5 fine roots; 15 percent distinct grayish brown (10YR 5/2), moist, clay films on faces of peds and 37 percent distinct light brownish gray (10YR 6/2), moist, coats on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; strongly acid, pH 5.3, hellige-truog; gradual smooth boundary. Lab sample # 87P02934. Same has above horizon silty material; spots were larger (8 to 10 cm in diameter); they had darker clay skins on them than the (10YR 5/2); sand picks up in this horizon.; few fine soft masses of iron-manganese concentrations; few clay films surface features on faces of peds; common coats surface features on faces of peds; few fine roots; common medium prominent 2.5Y62 mottles; patchy - phpvsfiid 222027; patchy - phpvsfiid 222027
    2C—150 to 173 centimeters (59.1 to 68.1 inches); brownish yellow (10YR 6/6) interior and strong brown (7.5YR 5/8) interior silt loam; 11 percent light brownish gray (2.5Y 6/2) medium prominent mottles; weak fine subangular blocky structure; friable; 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films in root channels and/or pores and 37 percent distinct light brownish gray (10YR 6/2), moist, coats on faces of peds; 1 percent fine spherical iron-manganese masses; fragments; strongly acid, pH 5.3, hellige-truog. Lab sample # 87P02935. Sand increases (much fine or very fine sand present).; few fine soft masses of iron-manganese concentrations; few clay films surface features in root channels and/or pores; common coats surface features on faces of peds; common medium prominent 2.5Y62 mottles; discontinuous - phpvsfiid 222029; discontinuous - phpvsfiid 222029