IDENTIFIERS

  • Current Taxon Name (Soil Name): Pawnee
  • OSD
  • Series Extent
  • User Site ID: S1990NE159007
  • User Pedon ID: 90NE159007
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 90P0704
  • NCSS Pedon Lab Data NASIS Record ID - 62637
  • Print Date: 5/20/2024
  • LOCATION

  • Location Description: Seward County, NE. Twin Lakes.
  • State: Nebraska
  • County: NE159—Seward
  • PEDON

  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 7
  • Sampled As Information:
  • Soil Name - Pawnee
  • Taxonomic Class - Fine, montmorillonitic Aquic Argiudolls
  • Classificaton Date - 6/1/1990
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Hill Slope Profile: shoulder
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1990 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • 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

    5

    135

    A—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2), dark grayish brown (10YR 4/2), dry; silty clay loam; 1 percent dark brown (10YR 3/3) fine faint mottles; strong fine granular structure; friable, slightly sticky, moderately plastic; 5.5 fine and medium roots; fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 90P04125. many fine and medium roots; few fine faint 10YR33 mottles
    AE—13 to 20 centimeters (5.1 to 7.9 inches); very dark gray (10YR 3/1) and dark brown (10YR 3/3), dark grayish brown (10YR 4/2), dry; silty clay loam; 1 percent dark yellowish brown (10YR 3/6) fine distinct mottles; moderate medium granular structure; friable, slightly sticky, moderately plastic; 5.5 very fine and fine roots and 0.5 medium roots; fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. few medium roots; many very fine and fine roots; few fine distinct 10YR36 mottles
    Bt1—20 to 38 centimeters (7.9 to 15.0 inches); very dark gray (10YR 3/1) and brown (10YR 4/3), brown (10YR 4/3), dry; clay; 11 percent dark yellowish brown (10YR 4/4) medium faint mottles; weak medium subangular blocky, and moderate medium granular structure; friable, moderately sticky, moderately plastic; 2.5 fine and medium roots; fragments; neutral, pH 7.0, hellige-truog; gradual smooth boundary. Lab sample # 90P04126. common fine and medium roots; common medium faint 10YR44 mottles
    Bt2—38 to 53 centimeters (15.0 to 20.9 inches); dark brown (10YR 3/3) clay loam; 1 percent dark yellowish brown (10YR 4/6) fine distinct mottles; moderate medium subangular blocky, and moderate medium angular blocky structure; friable, moderately sticky, moderately plastic; 2.5 fine and medium roots; fragments; slightly alkaline, pH 7.4, hellige-truog; gradual smooth boundary. common fine and medium roots; few fine distinct 10YR46 mottles
    Bt3—53 to 79 centimeters (20.9 to 31.1 inches); very dark grayish brown (10YR 3/2) and brown (10YR 4/3) clay loam; 11 percent brown (7.5YR 4/4) fine distinct mottles; moderate medium angular blocky structure; friable, moderately sticky, moderately plastic; 0.5 medium roots and 2.5 fine roots; fragments; slightly alkaline, pH 7.8, hellige-truog; gradual wavy boundary. few medium roots; common fine roots; common fine distinct 7.5YR44 mottles
    79 to 91 centimeters (31.1 to 35.8 inches); olive gray (5Y 5/2) clay loam; 1 percent dark yellowish brown (10YR 4/6) fine prominent and 11 percent olive brown (2.5Y 4/4) fine distinct mottles; moderate medium angular blocky structure; friable, moderately sticky, moderately plastic; fragments; moderately alkaline, pH 7.9, hellige-truog; gradual wavy boundary. few fine prominent 10YR46 mottles; common fine distinct 2.5Y44 mottles
    91 to 97 centimeters (35.8 to 38.2 inches); light olive brown (2.5Y 5/4) sandy clay; 1 percent dark grayish brown (2.5Y 4/2) medium distinct and 11 percent 2.5Y 2/0 (2.5Y 2/0) fine prominent mottles; strong medium angular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 fine vesicular pores; fragments; moderately alkaline, pH 8.0, hellige-truog. few medium distinct 2.5Y42 mottles; common fine prominent 2.5Y20 mottles
    97 to 109 centimeters (38.2 to 42.9 inches); dark grayish brown (2.5Y 4/2) clay loam; 11 percent 2.5Y 2/0 (2.5Y 2/0) fine prominent and 11 percent dark yellowish brown (10YR 4/6) fine prominent mottles; fragments; moderately alkaline, pH 8.0, hellige-truog. common fine prominent 10YR46 mottles; common fine prominent 2.5Y20 mottles
    109 to 117 centimeters (42.9 to 46.1 inches); dark grayish brown (2.5Y 4/2) clay loam; 1 percent dark yellowish brown (10YR 4/6) fine prominent and 11 percent black (10YR 2/1) fine prominent mottles; fragments; moderately alkaline, pH 8.0, hellige-truog. few fine prominent 10YR46 mottles; common fine prominent 10YR21 mottles