IDENTIFIERS

  • Current Taxon Name (Soil Name): ALMENDRA
  • OSD
  • Series Extent
  • User Site ID: 95CA612004
  • User Pedon ID: 95CA612004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 95P0513
  • NCSS Pedon Lab Data NASIS Record ID - 67531
  • Print Date: 2/17/2025

    • 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: 39.6734842
  • Std. Longitude: -121.8121733
  • Datum: WGS84
  • Township: 21 N
  • Range: 1 E
  • Section: 13
  • PLSS Details: approximately 2300 feet north and 2100 feet west of the southeast corner
  • Location Description: about 2.0 miles north of Durham
  • Map Unit: 418—Almendra loam, 0 to 1 percent slopes
  • State: California
  • County: CA007—Butte
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Non-MLRA Soil Survey Area: CA612—Butte Area, California, Parts of Butte and Plumas Counties
  • 7.5 Minute USGS Quad: 39121-F7—Chico, California

    • PEDON

  • Describers Name: AEC, DWR, BG
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Pachic Haploxerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - ALMENDRA
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Conejo
  • Classificaton Date - 5/8/1995
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium derived from mixed
  • Landscape: valley
  • Landform: alluvial fan
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: rare flooding
  • Geology: Modesto Formation formation.
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/8/1995 (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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    0—104

    104—231

    —-

    —-
    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

    2

    —

    —

    55

    —

    225

    610

    —

    —

    16.7

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; loam; moderate medium subangular blocky parts to moderate very fine and fine granular structure; very friable, nonsticky, slightly plastic; 3.0 very fine roots and 0.5 fine and medium roots; 0.5 very fine to medium tubular pores; 2 percent by volume subrounded 2-39-75 millimeter mixed fragments; noneffervescent; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 95P3885
    Ap2—10 to 36 centimeters (3.9 to 14.2 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; loam; moderate medium subangular blocky parts to moderate very fine and fine granular structure; very friable, nonsticky, slightly plastic; 3.0 very fine to medium roots; 21.0 very fine tubular and 3.0 fine and medium tubular pores; fine spherical worm casts throughout; 1 percent by volume subrounded 2-39-75 millimeter mixed fragments; noneffervescent; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 95P3886
    Bw1—36 to 74 centimeters (14.2 to 29.1 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; loam; moderate medium subangular blocky parts to moderate very fine and fine granular structure; very friable, nonsticky, slightly plastic; 3.0 very fine roots and 0.5 fine and medium roots; 3.0 very fine to medium interstitial and 21.0 very fine tubular and 3.0 fine and medium tubular pores; fine spherical worm casts throughout; 1 percent by volume subrounded 2-39-75 millimeter mixed fragments; noneffervescent; neutral, pH 6.8, hellige-truog; clear wavy boundary. Lab sample # 95P3887
    Bw2—74 to 102 centimeters (29.1 to 40.2 inches); brown (10YR 5/3), dark brown (7.5YR 3/2), moist; loam; moderate medium subangular blocky parts to moderate very fine and fine granular structure; very friable, nonsticky, slightly plastic; 3.0 very fine roots and 0.5 fine and medium roots; 21.0 very fine to medium tubular and 21.0 very fine to medium interstitial pores; 35 percent fine irregular brown (7.5YR 4/4) masses of oxidized iron; fine spherical worm casts throughout; 1 percent by volume subrounded 2-39-75 millimeter mixed fragments; noneffervescent; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 95P3888
    Bw3—102 to 132 centimeters (40.2 to 52.0 inches); brown (10YR 5/3), brown (7.5YR 4/2), moist; loam; moderate medium subangular blocky parts to moderate very fine and fine subangular blocky structure; very friable, nonsticky, slightly plastic; 3.0 very fine roots and 0.5 fine and medium roots; 21.0 very fine to medium interstitial and 21.0 very fine to medium tubular pores; 5 percent fine irregular brown (7.5YR 4/4) masses of oxidized iron; 65 percent fine irregular dark gray (10YR 4/1); 1 percent by volume subrounded 2-39-75 millimeter mixed fragments; noneffervescent; slightly alkaline, pH 7.5, hellige-truog; clear wavy boundary. Lab sample # 95P3889
    Bw4—132 to 188 centimeters (52.0 to 74.0 inches); light brown (7.5YR 6/4), brown (7.5YR 4/3), moist; loam; weak medium subangular blocky structure; very friable, nonsticky, slightly plastic; 3.0 very fine to medium roots; 21.0 very fine to medium interstitial and 21.0 very fine to medium tubular pores; 35 percent fine and medium irregular light brownish gray (10YR 6/2); 1 percent by volume subrounded 2-39-75 millimeter mixed fragments; noneffervescent; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 95P3890
    Bw5—188 to 218 centimeters (74.0 to 85.8 inches); light brown (7.5YR 6/4), brown (7.5YR 4/3), moist; sandy loam; weak medium subangular blocky structure; very friable, nonsticky, slightly plastic; 0.5 very fine roots; 21.0 very fine to medium interstitial and 21.0 very fine to medium tubular pores; 2 percent fine irregular throughout and 10 percent fine irregular brown (7.5YR 5/2); 1 percent by volume subrounded 2-39-75 millimeter mixed fragments; noneffervescent; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 95P3891