IDENTIFIERS

  • Current Taxon Name (Soil Name): Kuma
  • OSD
  • Series Extent
  • User Site ID: S1985NE101020
  • User Pedon ID: S1985NE101020
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0840
  • NCSS Pedon Lab Data NASIS Record ID - 57106
  • Print Date: 4/24/2025
  • 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: 41.1533583
  • Std. Longitude: -101.9300389
  • Datum: WGS84
  • Township: 14N
  • Range: 40W
  • Section: 29
  • PLSS Details: 2300 feet east and 1700 feet north of the southwest corner
  • Location Description: 2 mi W and 4 mi N of Brule.
  • Map Unit: 1650—Kuma loam, 0 to 1 percent slopes
  • State: Nebraska
  • County: NE101—Keith
  • MLRA: 72—Central High Tableland
  • Non-MLRA Soil Survey Area: NE101—Keith County, Nebraska
  • 7.5 Minute USGS Quad: 41101-B8—Brule NW, Nebraska
  • PEDON

  • Describers Name: JR Culver, LG Ragon, NP Helzer, SA Scheinost
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Pachic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 20
  • Sampled As Information:
  • Soil Name - Kuma
  • Taxonomic Class - Fine-silty, mixed, superactive, mesic Pachic Argiustolls
  • Taxon Kind - series
  • PSC - 13 to 63 cm.
  • Classificaton Date - 2/9/2016
  • Classifier - Tom Cochran
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - ustic
  • Moisture SUBClass - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 3
  • QA Status: level 3


  • SITE

  • Parent Material: loess derived from mixed-calcareous
  • Landscape: tableland
  • Landform: plain
  • Slope Shape Down: linear
  • Runoff: very low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1985 (actual site observation date)
  • Air Photo ID: 48
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    lithologic discontinuity

    free carbonates

    secondary carbonates

    0—61

    13—75

    30—170

    61—170

    75—91

    —61—

    —62—

    —140—

    —109—

    —16—

    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

    1

    1118

    90

    48

    10

    5

    256200

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) crushed, very dark brown (10YR 2/2) crushed, moist; loam; 20 percent sand; 56 percent silt; 24 percent clay; weak fine granular structure; soft, very friable; common fine roots throughout; common fine discontinuous tubular pores; fragments; abrupt smooth boundary. Lab sample # 85P04520; moist when described;. (11-13 cm is weak fine platy structure)
    Bt1—13 to 21 centimeters (5.1 to 8.3 inches); dark grayish brown (10YR 4/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; loam; 18 percent sand; 54 percent silt; 28 percent clay; weak coarse prismatic, and moderate medium subangular blocky structure; slightly hard, friable; common fine roots throughout; common fine discontinuous tubular pores; fragments; clear smooth boundary. Lab sample # 85P04521; moist when described;
    Bt2—21 to 30 centimeters (8.3 to 11.8 inches); dark grayish brown (10YR 4/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; clay loam; 18 percent sand; 53 percent silt; 29 percent clay; weak coarse prismatic, and moderate medium subangular blocky structure; slightly hard, friable; common fine roots throughout; common fine discontinuous tubular pores; fragments; clear smooth boundary. Lab sample # 85P04522; moist when described;
    Btb1—30 to 48 centimeters (11.8 to 18.9 inches); dark grayish brown (10YR 4/2) interior, black (10YR 2/1) interior, moist; clay loam; 18 percent sand; 52 percent silt; 30 percent clay; weak coarse prismatic, and moderate and strong medium subangular blocky structure; slightly hard, friable; common fine roots throughout; common fine discontinuous tubular pores; 55 percent faint black (10YR 2/1) organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # 85P04523; dry when described;. continuous - phpvsfiid 1462097; continuous - phpvsfiid 1462097
    Btb2—48 to 61 centimeters (18.9 to 24.0 inches); dark grayish brown (10YR 4/2) interior, very dark brown (10YR 2/2) interior, moist; loam; 18 percent sand; 56 percent silt; 26 percent clay; weak coarse prismatic, and weak and moderate medium and coarse subangular blocky structure; slightly hard, friable; common fine roots throughout; common fine discontinuous tubular pores; 55 percent faint very dark brown (10YR 2/2) organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # 85P04524; dry when described;. continuous - phpvsfiid 1462098; continuous - phpvsfiid 1462098
    Btb3—61 to 75 centimeters (24.0 to 29.5 inches); grayish brown (10YR 5/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; 20 percent sand; 56 percent silt; 24 percent clay; weak coarse prismatic, and moderate medium subangular blocky structure; slightly hard, friable; few fine roots throughout; fragments; slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 85P04525; dry when described;. 25% cicada casts; effervescence is discontinuous
    Bkb—75 to 91 centimeters (29.5 to 35.8 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; silt loam; 20 percent sand; 57 percent silt; 23 percent clay; weak coarse prismatic, and weak coarse subangular blocky structure; slightly hard, friable; few fine roots throughout; fine threadlike carbonate masses; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 85P04526; dry when described;. 20% cicada casts; effervescence is continuous
    Cb1—91 to 125 centimeters (35.8 to 49.2 inches); very pale brown (10YR 7/3) crushed, brown (10YR 5/3) crushed, moist; silt loam; 25 percent sand; 53 percent silt; 22 percent clay; weak coarse prismatic structure; soft, very friable; few fine roots throughout; fragments; violent effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # 85P04527; dry when described;. effervescence is continuous
    Cb2—125 to 170 centimeters (49.2 to 66.9 inches); light gray (10YR 7/2) crushed, grayish brown (10YR 5/2) crushed, moist; loam; 30 percent sand; 50 percent silt; 20 percent clay; massive; soft, very friable; few fine roots throughout; fragments; strong effervescence, by hcl, 1n. Lab sample # 85P04528; moist when described;. effervescence is continuous