IDENTIFIERS

  • Current Taxon Name (Soil Name): Roxbury
  • OSD
  • Series Extent
  • User Site ID: S2019KS195101
  • User Pedon ID: S2019KS195101
  • User Site Association ID: DSP-KS19-C
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 20N0064
  • User Project ID: FY19RND3
  • Project Name: MLRA 73 - Benchmark Soils Roxbury FY19 Phase 1
  • Print Date: 12/6/2025

    • 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: 38.9191710
  • Std. Longitude: -99.6737760
  • Datum: WGS84
  • Township: 13
  • Range: 21
  • Section: 17
  • PLSS Details: 1770 feet north and 1195 feet west of the southeast corner of SE quarter
  • Map Unit: Rf—ROXBURY SILT LOAM, RARELY FLOODED2375—Roxbury silt loam, rarely flooded2375—Roxbury silt loam, rarely flooded
  • Country: US—United States
  • State: Kansas
  • County: KS195—Trego
  • MLRA: 73—Rolling Plains and Breaks
  • Non-MLRA Soil Survey Area: KS195—Trego County, Kansas
  • 7.5 Minute USGS Quad: 38099-H6—Ogallah, Kansas

    • PEDON

  • Describers Name: Laura Bricknell
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Cumulic Haplustolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Roxbury
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Cumulic Haplustolls
  • Taxon Kind - series
  • PSC - 25 to 100 cm.
  • Classificaton Date - 10/15/2019
  • Classifier - R. Still
  • Soil Taxonomic Edition - twelfth edition
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Current Crop - wheat, winter-fallow
  • Hydric: no
  • Field Measured Properties: 26 percent of control section clay


    • SITE

  • Parent Material: alluvium
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Flooding: rare flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • RaCA Information:
  • DSP Plot ID - Ro-C2

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/30/2019 (actual site observation date)
  • Data Collector: L. Bricknell, R. Still
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    secondary carbonates

    free carbonates

    0—57

    36—210

    36—210

    —57—

    —164—

    —164—
    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

    0

    —

    —

    618.2

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap11—0 to 5 centimeters (0.0 to 2.0 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 22 percent clay; weak medium granular structure; fragments; 1.24 g/cm3 of average OD bulk density; 34.23 micrometers per second of average KSAT; 3.49 percent of average OM; noneffervescent, by hcl, 1n. Lab sample # 20N00254; observed in push tube
    Ap12—5 to 10 centimeters (2.0 to 3.9 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 22 percent clay; weak medium granular structure; fragments; noneffervescent, by hcl, 1n. Lab sample # 20N00255; observed in push tube
    Ap2—10 to 19 centimeters (3.9 to 7.5 inches);, black (10YR 2/1) broken face, moist; silt loam; 24 percent clay; moderate fine granular structure; fragments; 1.41 g/cm3 of average OD bulk density; 17.28 micrometers per second of average KSAT; 2.67 percent of average OM; noneffervescent, by hcl, 1n. Lab sample # 20N00256; observed in push tube
    A—19 to 36 centimeters (7.5 to 14.2 inches);, very dark brown (10YR 2/2) broken face, moist; silt loam; 24 percent clay; weak medium subangular blocky parts to weak fine granular structure; 1.0 very fine moderate-continuity dendritic tubular pores; fragments; 1.43 Oven dry bulk density; noneffervescent, by hcl, 1n. Lab sample # 20N00257; observed in push tube
    Bk1—36 to 57 centimeters (14.2 to 22.4 inches);, very dark grayish brown (10YR 3/2) broken face, moist; silt loam; 26 percent clay; weak medium prismatic structure; 1.0 very fine roots throughout; 1.0 very fine moderate-continuity dendritic tubular and 1.0 fine moderate-continuity dendritic tubular pores; 5 percent medium spherical noncoherent cemented worm casts lining pores and 1 percent very fine threadlike noncoherent cemented white (10YR 8/1), moist, carbonate masses throughout; fragments; 1.37 g/cm3 of average OD bulk density; 11.16 micrometers per second of average KSAT; 1.6 percent of average OM; strong effervescence, by hcl, 1n. Lab sample # 20N00258; observed in push tube
    Bk2—57 to 91 centimeters (22.4 to 35.8 inches);, 70 percent dark grayish brown (10YR 4/2) broken face and 30 percent very dark grayish brown (10YR 3/2) broken face, moist; silty clay loam; 28 percent clay; weak medium prismatic structure; 1.0 very fine roots throughout; 2.0 very fine moderate-continuity dendritic tubular and 1.0 fine moderate-continuity dendritic tubular pores; 2 percent very fine threadlike noncoherent cemented white (10YR 8/1), moist, carbonate masses throughout; fragments; strong effervescence, by hcl, 1n.; observed in push tube
    2Bk3—91 to 117 centimeters (35.8 to 46.1 inches);, 95 percent dark grayish brown (10YR 4/2) broken face and 5 percent very dark grayish brown (10YR 3/2) broken face, moist; silty clay loam; 28 percent clay; weak medium prismatic structure; 1.0 very fine moderate-continuity dendritic tubular and 1.0 fine moderate-continuity dendritic tubular pores; 1 percent fine threadlike noncoherent cemented white (10YR 8/1), moist, carbonate masses throughout; fragments; 2.8 micrometers per second of average KSAT; strong effervescence, by hcl, 1n.; observed in push tube
    2Bk4—117 to 150 centimeters (46.1 to 59.1 inches);, 70 percent weak red (7.5R 4/2) broken face and 30 percent very dark grayish brown (10YR 3/2) broken face, moist; silty clay loam; 29 percent clay; weak medium prismatic structure; 1.0 very fine roots throughout; 2.0 very fine moderate-continuity dendritic tubular and 1.0 fine moderate-continuity dendritic tubular pores; 3 percent fine threadlike noncoherent cemented white (10YR 8/1), moist, carbonate masses throughout; fragments; violent effervescence, by hcl, 1n.; observed in push tube
    2Bk5—150 to 186 centimeters (59.1 to 73.2 inches);, 70 percent pale brown (10YR 6/3) broken face and 30 percent grayish brown (10YR 5/2) broken face, moist; silt loam; 22 percent clay; weak medium prismatic structure; 1 percent fine threadlike noncoherent cemented white (10YR 8/1), moist, carbonate masses throughout and 4 percent medium spherical noncoherent cemented worm casts lining pores; fragments; violent effervescence, by hcl, 1n.; observed in push tube
    2Bk6—186 to 210 centimeters (73.2 to 82.7 inches);, pale brown (10YR 6/3) broken face, moist; stratified stratified silt loam; 20 percent clay; weak very coarse prismatic structure; 3.0 very fine moderate-continuity dendritic tubular pores; 1 percent medium irregular noncoherent cemented white (10YR 8/1), moist, carbonate masses throughout; fragments; violent effervescence, by hcl, 1n.; observed in push tube