IDENTIFIERS

  • Current Taxon Name (Soil Name): Downs
  • OSD
  • Series Extent
  • User Site ID: 1986IL149015
  • User Pedon ID: 1986IL149015
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 86IL149015
  • NCSS Pedon Lab Data NASIS Record ID - 21987
  • Print Date: 5/20/2024

    • 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: 39.5431979
  • Std. Longitude: -90.9226629
  • Datum: WGS84
  • Township: 6S
  • Range: 5W
  • Section: 13
  • PLSS Details: 1740 feet south and 1740 feet west of northeast corner
  • Country: US—United States
  • State: Illinois
  • County: IL149—Pike
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Regional Office: NC—North Central
  • MLRA Soil Survey Area: NC-SPI—Springfield, Illinois
  • Non-MLRA Soil Survey Area: IL149—Pike County, Illinois

    • PEDON

  • Describers Name: JJ MEL
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: PedonPC
  • Pedon #: 15
  • Correlated Information:
  • Soil Name - Downs
  • PSC - 38 to 88 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Downs
  • PSC - 38 to 88 cm.
  • Classificaton Date - 4/1/1986
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Peoria loess
  • Landform: ridge
  • Hill Slope Profile: summit
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/1/1986 (actual site observation date)
  • 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
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Ap

    BE

    Bt1

    Bt2

    Bt3

    BC

    C

    0

    23

    38

    61

    86

    119

    145

    23

    38

    61

    86

    119

    145

    152

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Ap

    BE

    Bt1

    Bt2

    Bt3

    BC

    C

    0

    23

    38

    61

    86

    119

    145

    23

    38

    61

    86

    119

    145

    152

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Ap

    BE

    Bt1

    Bt2

    Bt3

    BC

    C

    0

    23

    38

    61

    86

    119

    145

    23

    38

    61

    86

    119

    145

    152

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

    ochric epipedon

    albic horizon

    argillic horizon

    0—23

    23—38

    38—119

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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

    2

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    131.6

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    270

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    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 granular structure; friable; 5.0 fine roots between peds; faint grayish brown (10YR 5/2), moist, silt coats on all faces of peds; fragments; neutral, pH 6.8, lamotte-morgan; abrupt smooth boundary. Lab sample # IL32992. discontinuous - phpvsfiid 1466099; discontinuous - phpvsfiid 1466099
    BE—23 to 38 centimeters (9.1 to 15.0 inches); brown (10YR 4/3), grayish brown (10YR 5/2), dry; silt loam; weak coarse prismatic parts to moderate fine subangular blocky structure; friable; 5.0 fine roots between peds; fragments; neutral, pH 6.7, lamotte-morgan; clear smooth boundary. Lab sample # IL32993
    Bt1—38 to 61 centimeters (15.0 to 24.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; weak coarse prismatic parts to moderate medium subangular blocky structure; friable; 5.0 fine roots between peds; faint grayish brown (10YR 5/2), moist, silt coats on all faces of peds and distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; fragments; neutral, pH 6.7, lamotte-morgan; clear smooth boundary. Lab sample # IL32994. discontinuous - phpvsfiid 1466095; discontinuous - phpvsfiid 1466096; discontinuous - phpvsfiid 1466095; discontinuous - phpvsfiid 1466096
    Bt2—61 to 86 centimeters (24.0 to 33.9 inches); yellowish brown (10YR 5/4) silt loam; weak coarse prismatic parts to moderate medium subangular blocky structure; friable; 3.0 fine roots between peds; distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; prominent masses of oxidized iron in matrix and 10 percent fine prominent iron-manganese masses in matrix; fragments; neutral, pH 6.7, lamotte-morgan; gradual smooth boundary. Lab sample # IL32995. discontinuous - phpvsfiid 1466097; discontinuous - phpvsfiid 1466097
    Bt3—86 to 119 centimeters (33.9 to 46.9 inches); dark yellowish brown (10YR 4/4) silt loam; weak coarse prismatic parts to weak medium subangular blocky structure; friable; 3.0 fine roots between peds; faint very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent medium distinct grayish brown (10YR 5/2), moist, iron depletions in matrix and 10 percent medium distinct strong brown (7.5YR 4/6), moist, masses of oxidized iron in matrix and 10 percent fine prominent iron-manganese concretions in matrix; fragments; neutral, pH 6.8, lamotte-morgan; gradual smooth boundary. Lab sample # IL32996. discontinuous - phpvsfiid 1466102; discontinuous - phpvsfiid 1466102
    BC—119 to 145 centimeters (46.9 to 57.1 inches); dark yellowish brown (10YR 4/4) silt loam; weak coarse prismatic parts to weak medium subangular blocky structure; friable; 3.0 fine roots between peds; faint black (10YR 2/1), moist, organoargillans on all faces of peds and faint very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; prominent iron-manganese concretions in matrix and 10 percent medium distinct light brownish gray (10YR 6/2), moist, iron depletions in matrix and 10 percent medium distinct red (7.5R 4/6), moist, masses of oxidized iron in matrix; fragments; strongly acid, pH 5.4, lamotte-morgan; gradual smooth boundary. Lab sample # IL32997. patchy - phpvsfiid 1466100; discontinuous - phpvsfiid 1466101; patchy - phpvsfiid 1466100; discontinuous - phpvsfiid 1466101
    C—145 to 152 centimeters (57.1 to 59.8 inches); brown (10YR 5/3) silt loam; structureless massive; friable; 0.6 fine roots between peds; faint black (10YR 2/1), moist, organoargillans on all faces of peds; 10 percent medium distinct strong brown (7.5YR 4/6), moist, masses of oxidized iron in matrix and 10 percent medium distinct light brownish gray (10YR 6/2), moist, iron depletions in matrix; fragments; neutral, pH 6.6, lamotte-morgan. Lab sample # IL32998. patchy - phpvsfiid 1466098; patchy - phpvsfiid 1466098