IDENTIFIERS

  • Current Taxon Name (Soil Name): Darmstadt
  • OSD
  • Series Extent
  • User Site ID: S1991IL035048
  • User Pedon ID: S1991IL035048
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - LIMS
  • Lab Pedon # - 91P0552
  • NCSS Pedon Lab Data NASIS Record ID - 63594
  • Print Date: 2/16/2025

    • 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: 39.1989056
  • Std. Longitude: -88.4169611
  • Datum: WGS84
  • Township: 9N
  • Range: 7E
  • Section: 28
  • Location Description: This soil was sampled as the Darmstadt Series for the Sodium Research Study in Cumberland County, Illinois
  • Map Unit: 889A—Bluford-Darmstadt silt loams, 0 to 2 percent slopes
  • Country: US—United States
  • State: Illinois
  • County: IL035—Cumberland
  • MLRA: 113—Central Claypan Areas
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: IL035—Cumberland County, Illinois
  • 7.5 Minute USGS Quad: 39088-B4—Teutopolis, Illinois

    • PEDON

  • Describers Name: Robert Tegeler & crew
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aquic Natrudalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: research site
  • Pedon Record Orgin: Pedon PC 6.2
  • Correlated Information:
  • Soil Name - Darmstadt
  • PSC - 23 to 73 cm.
  • Classificaton Date - 5/5/2015
  • Classifier - RTegeler
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Taxonomic Class - Fine-silty, mixed, mesic Aquic Natrudalfs
  • Taxon Kind - taxadjunct
  • Classificaton Date - 3/25/1991
  • Classifier - RTegeler, L Staley
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Medium textured loess that is high in sodium; & some Roxana Silts in the lower part
  • Landscape: till plain
  • Landform: ground moraine
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/25/2015 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • 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

    Btn

    Btng

    2BCng

    0

    23

    46

    117

    23

    46

    117

    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

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    2BCng

    0

    23

    46

    117

    23

    46

    117

    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

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    2BCng

    0

    23

    46

    117

    23

    46

    117

    152

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

    ochric epipedon

    natric horizon

    0—23

    23—152

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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

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    Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; moderate medium granular structure; friable; common (3.0) very fine roots between peds; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # 91P03151
    Btn—23 to 46 centimeters (9.1 to 18.1 inches); pale brown (10YR 6/3) silty clay loam; moderate fine subangular blocky structure; firm; common (3.0) very fine roots between peds; 25 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent fine distinct irregular yellowish brown (10YR 5/6), moist, masses of oxidized iron with sharp boundaries in matrix and 10 percent prominent cylindrical light gray (10YR 7/2), dry, clay depletions with sharp boundaries on faces of peds; fragments; slight effervescence; moderately alkaline, pH 8.2; clear smooth boundary. Lab sample # 91P03151. continuous - phpvsfiid 1414078; continuous - phpvsfiid 1414078
    Btng—46 to 117 centimeters (18.1 to 46.1 inches); light brownish gray (2.5Y 6/2) silty clay loam; moderate medium subangular blocky structure; firm; few (0.8) very fine roots between peds; 15 percent distinct dark grayish brown (2.5Y 4/2), moist, clay films on all faces of peds; 10 percent medium prominent irregular yellowish brown (10YR 5/6) masses of oxidized iron with clear boundaries in matrix and 10 percent prominent cylindrical light gray (10YR 7/2), dry, clay depletions with clear boundaries on faces of peds; fragments; strong effervescence; moderately alkaline, pH 8.2; gradual smooth boundary. Lab sample # 91P03152. discontinuous - phpvsfiid 1414079; discontinuous - phpvsfiid 1414079
    2BCng—117 to 152 centimeters (46.1 to 59.8 inches); variegated 60 percent light brownish gray (10YR 6/2) and 40 percent strong brown (7.5YR 5/6) silt loam; weak coarse prismatic structure; friable; few (0.8) very fine roots top of horizon; fragments; strong effervescence; moderately alkaline, pH 8.4. Lab sample # 91P03152. about 15 percent sand (Roxana Silts); The 7.5YR second matrix color is outside the RIC