IDENTIFIERS

  • Current Taxon Name (Soil Name): Portneuf
  • OSD
  • Series Extent
  • User Site ID: S1981ID083100
  • User Pedon ID: 81ID083100
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0481
  • NCSS Pedon Lab Data NASIS Record ID - 49325
  • Print Date: 11/21/2024
  • 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: 42.5455551
  • Std. Longitude: -114.3472214
  • Datum: WGS84
  • Location Description: Site is near neutron tube number 2 of J. Wrights 1978 Wheat Study on the Snake River.
  • State: Idaho
  • County: ID083—Twin Falls
  • MLRA: 25—Owyhee High Plateau
  • PEDON

  • Describers Name: L.F. Ratliff
  • Current Taxonomic Class: Coarse-silty, mixed, mesic Durixerollic Calciorthids
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 100
  • Correlated Information:
  • Soil Name - Portneuf
  • Classificaton Date - 7/11/2007
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Portneuf
  • Taxonomic Class - Coarse-silty, mixed, mesic Durixerollic Calciorthi
  • Taxon Kind - series
  • Classificaton Date - 6/1/1981
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: upland slope
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1981 (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
  • 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

    0

    1200

    1Ap—0 to 28 centimeters (0.0 to 11.0 inches);, very dark grayish brown (10YR 3/2) interior, moist; silt loam; weak fine and medium granular structure; hard, very friable; 5.5 fine and medium roots; 11 percent worm casts; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual smooth boundary. Lab sample # 81P02801. common worm casts concentrations; many fine and medium roots
    1Bca—28 to 58 centimeters (11.0 to 22.8 inches);, pale brown (10YR 6/3) interior, moist; silt loam; weak coarse platy, and weak fine subangular blocky structure; very hard, friable; 5.5 fine and medium roots; 2.5 fine and medium tubular pores; 37 percent light brownish gray (10YR 6/2), moist, clay films on bottoms of plates and 37 percent light brownish gray (10YR 6/2), moist, clay films on nodules; 1 percent worm casts; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 81P02802. Few rounded and brittle nodules. Dark brown and yellowish brown stains around roots.; few worm casts concentrations; common clay films surface features on bottoms of plates; common clay films surface features on nodules; many fine and medium roots
    1C1ca—58 to 102 centimeters (22.8 to 40.2 inches);, pale brown (10YR 6/3) interior, moist; silt loam; 1 percent yellowish brown (10YR 5/4) fine faint mottles; moderate coarse platy structure; extremely hard, very firm; 2.5 very fine and fine roots; 2.5 very fine and fine tubular and 0.5 coarse tubular pores; 1 percent threadlike carbonate concretions; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 81P02803. Plates are brittle but surrounded by a friable matrix. Common rounded and brittle nodules are ittevularly distribute throughout the horizon.; few lime concretions concentrations; common very fine and fine roots; few fine faint 10YR54 mottles
    1C2ca—102 to 165 centimeters (40.2 to 65.0 inches);, pale brown (10YR 6/3) interior, moist; silt loam; weak coarse platy structure; very hard, firm; 2.5 fine and medium roots; 2.5 very fine and fine tubular and 0.5 coarse tubular pores; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; diffuse wavy boundary. Lab sample # 81P02804. Slightly compact in places. 20 percent by volume of brittle plates in a friable matrix. Few rounded and brittle nodules. Sample 4a is 81P2805.; common fine and medium roots
    1C3—165 to 216 centimeters (65.0 to 85.0 inches);, brown (10YR 5/3) interior, moist; silt loam; massive; hard, friable; brittle; 0.5 fine roots; 2.5 fine tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 81P02806. Sample 5a is 81P2807.; few fine roots
    1C4ca—216 to 254 centimeters (85.0 to 100.0 inches);, brown (10YR 5/3) interior, moist; silt loam; massive; hard, friable; 2.5 fine tubular pores; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 81P02808. About 20 percent coarse brittle plates consisting of layers of white CaCO3 and brown silica.