IDENTIFIERS

  • Current Taxon Name (Soil Name): Portneuf
  • OSD
  • Series Extent
  • User Site ID: S1981ID083002
  • User Pedon ID: 81ID083002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 81P0482
  • NCSS Pedon Lab Data NASIS Record ID - 49326
  • 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: 42.5397224
  • Std. Longitude: -114.3458328
  • Datum: WGS84
  • Location Description: Site is between the field capacity plots of J. Wrights and J. Hanks 1980 and 81 wheat corn and alfalfa study.
  • 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 #: 2
  • 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 25 centimeters (0.0 to 9.8 inches);, brown (10YR 4/3) interior, moist; silt loam; weak fine and medium granular structure; hard, very friable; 2.5 fine roots; 0.5 fine tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear smooth boundary. Lab sample # 81P02809. common fine roots
    1Bca—25 to 43 centimeters (9.8 to 16.9 inches);, pale brown (10YR 6/3) interior, moist; silt loam; moderate medium platy, and weak fine subangular blocky structure; hard, friable; brittle; 2.5 fine roots; 0.5 medium tubular and 2.5 fine tubular pores; 15 percent light brownish gray (10YR 6/2), moist, manganese or iron-manganese stains on bottoms of plates and 15 percent light brownish gray (10YR 6/2), moist, manganese or iron-manganese stains on nodules and 15 percent yellowish brown (10YR 5/4), moist, black stains; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 81P02810. few manganese or iron-manganese stains surface features on bottoms of plates; few manganese or iron-manganese stains surface features on nodules; few black stains surface features; common fine roots
    1C1ca—43 to 91 centimeters (16.9 to 35.8 inches);, brown (10YR 5/3) interior, moist; silt loam; moderate coarse platy structure; extremely hard; 0.5 fine roots; 0.5 medium and coarse tubular and 2.5 fine tubular pores; 37 percent yellowish brown (10YR 5/4), moist, black stains; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 81P02811. Plates and nodules are brittle and compact in places but are surrounded by a friable matrix. Horizon gets less brittle with depth.; common black stains surface features; few fine roots
    1C1ca—91 to 137 centimeters (35.8 to 53.9 inches);, brown (10YR 5/3) interior, moist; silt loam; weak coarse platy structure; very hard; brittle; 2.5 very fine and fine tubular pores; 37 percent brown (10YR 4/3), moist, black stains; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; gradual wavy boundary. Lab sample # 81P02812. Compact and brittle in about 20 percent of the mass and friable between plates. Few brittle nodules.; common black stains surface features
    1C3—137 to 198 centimeters (53.9 to 78.0 inches);, yellowish brown (10YR 5/4) interior, moist; silt loam; weak medium platy structure; hard, friable; brittle; 2.5 very fine and fine tubular pores; 15 percent brown (10YR 4/3), moist, black stains; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog; diffuse wavy boundary. Lab sample # 81P02813. few black stains surface features
    1C4—198 to 244 centimeters (78.0 to 96.1 inches);, yellowish brown (10YR 5/4) interior, moist; silt loam; massive; hard, friable; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, hellige-truog. Lab sample # 81P02814