IDENTIFIERS

  • Current Taxon Name (Soil Name): Grassna
  • OSD
  • Series Extent
  • User Site ID: 74ND029002
  • User Pedon ID: 74ND029002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NDSU
  • Lab Pedon # - 74ND029002
  • NCSS Pedon Lab Data NASIS Record ID - 69132
  • 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: 45.9702778
  • Std. Longitude: -100.1497222
  • Datum: WGS84
  • Location Description: 350 feet south and 45 feet west of the NE corner of sec. 26, T. 129 N., R. 76 W.
  • Country: US—United States
  • State: North Dakota
  • County: ND029—Emmons
  • MLRA: 53B—Central Dark Brown Glaciated Plains
  • Non-MLRA Soil Survey Area: ND029—Emmons County, North Dakota
  • PEDON

  • Describers Name: FS, SRB, WCL, LCB, TCA, EHE, NJL
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Grassna
  • Classificaton Date - 8/15/1974
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landform: plain
  • Hill Slope Profile: toeslope
  • Slope Shape Down: concave
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/15/1974 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    calcic horizon

    0—86

    46—86

    86—112

    —-

    —-

    —-

    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

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; silt loam; weak fine and medium subangular blocky parts to weak fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 3.0 very fine tubular pores; fragments; abrupt smooth boundary. Lab sample # NDSU0101; moist when described;
    A—23 to 46 centimeters (9.1 to 18.1 inches); very dark brown (10YR 2/2), dark grayish brown (10YR 4/2), dry; silt loam; weak very coarse prismatic parts to weak coarse and very coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 3.0 very fine tubular and 0.1 medium tubular pores; fragments; clear wavy boundary. Lab sample # NDSU0102; dry when described;. A has moderate medium platy structure in the upper 3 inches.
    Bw1—46 to 69 centimeters (18.1 to 27.2 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak coarse prismatic parts to moderate medium subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 0.5 very fine roots throughout and 3.0 fine roots; 3.0 very fine and 0.1 medium pores; fragments; gradual wavy boundary. Lab sample # NDSU0103; dry when described;
    Bw2—69 to 86 centimeters (27.2 to 33.9 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; weak coarse prismatic parts to moderate medium subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 0.1 very fine roots throughout and 0.1 medium roots throughout; 3.0 very fine tubular pores; fragments; 1 percent krotovinas (volume percent); clear wavy boundary. Lab sample # NDSU0104; dry when described;
    Bk1—86 to 112 centimeters (33.9 to 44.1 inches); light olive brown (2.5Y 5/3), light yellowish brown (2.5Y 6/3), dry; silt loam; weak very coarse prismatic, and weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.1 very fine roots throughout; 3.0 very fine and 0.1 fine pores; 10 percent fine and medium irregular lime masses throughout; fragments; 1 percent krotovinas (volume percent); violent effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # NDSU0105; dry when described;
    Bk2—112 to 152 centimeters (44.1 to 59.8 inches); olive brown (2.5Y 4/4), light yellowish brown (2.5Y 6/3), dry; silt loam; 1 percent brownish yellow (10YR 6/6) medium prominent and 1 percent strong brown (7.5YR 5/6) medium prominent and 10 percent gray (5Y 6/1) medium prominent and 10 percent olive gray (5Y 5/2) medium distinct mottles; weak very coarse prismatic parts to weak coarse subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 0.1 very fine roots throughout; 3.0 very fine tubular pores; fragments; strong effervescence, by hcl, unspecified. Lab sample # NDSU0106