IDENTIFIERS

  • Current Taxon Name (Soil Name): Gridley taxadjunct
  • OSD
  • Series Extent
  • User Site ID: S2014CA101001
  • User Pedon ID: S2014CA101001A
  • Vegetation Plot ID: S2014CA101001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 15N0281
  • NCSS Pedon Lab Data NASIS Record ID - 79541
  • User Project ID: 2015-CHI-DSP-01
  • Project Name: DSP - MLRA 17 - CA 2014 Sutter County Prune Orchard
  • 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: 39.1744444
  • Std. Longitude: -121.6893611
  • Datum: WGS84
  • Location Description: Atwell Farm off of Township Rd. North West of Yuba City, California.
  • Map Unit: 174—Tisdale clay loam, 0 to 2 percent slopes
  • State: California
  • County: CA101—Sutter
  • MLRA: 17—Sacramento and San Joaquin Valleys
  • Regional Office: SW—Southwest
  • MLRA Soil Survey Area: SW-CHI—Chico, California
  • Non-MLRA Soil Survey Area: CA101—Sutter County, California
  • 7.5 Minute USGS Quad: 39121-B6—Sutter, California
  • PEDON

  • Describers Name: Andrew Conlin, Ryan Miebach
  • Current Taxonomic Class: Clayey, mixed, superactive, thermic, shallow Typic Haploxeralfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Sampled As Information:
  • Soil Name - Gridley taxadjunct
  • Taxonomic Class - Clayey, mixed, superactive, thermic, shallow Typic Haploxeralfs
  • Taxon Kind - taxadjunct
  • PSC - 17 to 33 cm.
  • Classificaton Date - 11/6/2014
  • Classifier - Andrew conlin
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Pedon Vegetation and Crop Cover Information:
  • Current Crop - prunes
  • Hydric: no


  • SITE

  • Parent Material: Late Pleistocene alluvium over middle Pleistocene alluvium over sandy and silty alluvium from redeposited glaciolacustrine sediments all from igneous and metamorphic rock
  • Landscape: valley
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • Plot Estab. Year: 2014
  • RaCA Information:
  • DSP Plot ID - CT-1
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/7/2014 (actual site observation date)
  • Data Collector: Andrew Conlin, Ryan Miebach
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - crop trees
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PRUNU

    2BARE

    Prunus

    plum

    Bare Ground

    overstory

    understory

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    densic material

    duripan

    noncoherent

    weakly coherent

    46 - 145

    145 - 200

    - 99 -

    - 55 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    densic materials

    lithologic discontinuity

    duripan

    0—17

    17—33

    33—33

    46—145

    46—46

    145—200

    —17—

    —16—

    —-

    —99—

    —-

    —55—

    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

    0.5

    17

    533

    16.6

    Ap—0 to 5 centimeters (0.0 to 2.0 inches); light gray (10YR 7/2), dark grayish brown (10YR 4/2), moist; silty clay loam; 30 percent clay; moderate very fine subangular blocky, and moderate fine subangular blocky, and moderate medium subangular blocky structure; extremely hard, friable, noncoherent, moderately sticky, moderately plastic; many very fine roots and few fine roots; common very fine irregular and common very fine tubular pores; fragments; noneffervescent; neutral, pH 7.2, pH indicator solutions; clear smooth boundary. Lab sample # 15N01685; dry when described; observed in trench
    Atp—5 to 17 centimeters (2.0 to 6.7 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; silty clay loam; 33 percent clay; moderate very coarse prismatic parts to strong coarse subangular blocky, and moderate very coarse prismatic parts to strong very coarse subangular blocky structure; extremely hard, friable, noncoherent, moderately sticky, moderately plastic; many very fine roots and few fine roots; common very fine irregular and common very fine tubular and few fine tubular pores; 30 percent faint clay films on all faces of peds; fragments; noneffervescent; neutral, pH 7.0, pH indicator solutions; clear smooth boundary. Lab sample # 15N01686; dry when described; observed in trench
    Bt—17 to 33 centimeters (6.7 to 13.0 inches); brown (10YR 5/3), brown (10YR 4/3), moist; silty clay loam; 39 percent clay; moderate very coarse prismatic parts to strong fine subangular blocky, and moderate very coarse prismatic parts to strong medium subangular blocky, and moderate very coarse prismatic parts to strong coarse subangular blocky, and moderate very coarse prismatic parts to strong very coarse subangular blocky structure; extremely hard, friable, noncoherent, very sticky, very plastic; common very fine roots and few medium roots and few fine roots and few coarse roots; common very fine irregular and common very fine tubular and few medium tubular and few fine tubular pores; 60 percent distinct clay films on all faces of peds; 3 percent by volume nonflat subangular noncoherent cemented 20-30-75 millimeter unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.8, pH indicator solutions; clear smooth boundary. Lab sample # 15N01687; slightly dry when described; observed in trench
    2Btk—33 to 46 centimeters (13.0 to 18.1 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; clay loam; 35 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, friable, noncoherent, moderately sticky, moderately plastic; few very fine roots and few medium roots and few fine roots and few coarse roots; many very fine irregular and many very fine tubular and few fine tubular and few fine irregular pores; 10 percent prominent light brown (7.5YR 6/4), dry, clay films on rock fragments and 20 percent distinct brown (10YR 5/3), dry, clay films on all faces of peds; 5 percent medium distinct irregular very weakly coherent cemented carbonate concretions with clear boundaries in matrix; 5 percent by volume nonflat subangular noncoherent cemented 5-10-20 millimeter unspecified fragments observed by visual inspection method and 5 percent by volume nonflat subangular noncoherent cemented 20-50-75 millimeter unspecified fragments observed by visual inspection method; noneffervescent; slightly alkaline, pH 7.8, pH indicator solutions; abrupt smooth boundary. Lab sample # 15N01688; slightly dry when described; observed in trench
    3Btdk—46 to 91 centimeters (18.1 to 35.8 inches); light gray (2.5Y 7/2), light olive brown (2.5Y 5/3), moist; loam; 22 percent clay; structureless massive; extremely hard, very firm, noncoherent, slightly sticky, slightly plastic; many very fine tubular pores; 3 percent prominent light brown (7.5YR 6/4), dry, clay films on surfaces along pores; 5 percent fine distinct threadlike noncoherent cemented carbonate concretions with sharp boundaries lining pores; fragments; noneffervescent; moderately alkaline, pH 8.0, pH indicator solutions; abrupt smooth boundary. Lab sample # 15N01689; slightly dry when described; observed in trench
    3Bdq—91 to 145 centimeters (35.8 to 57.1 inches); light gray (2.5Y 7/2), light olive brown (2.5Y 5/3), moist; fine sandy loam; 10 percent clay; structureless massive; moderately hard, friable, noncoherent, nonsticky, nonplastic; many very fine tubular pores; 7 percent coarse distinct threadlike noncoherent cemented masses of oxidized iron lining pores and 8 percent medium distinct threadlike noncoherent cemented masses of oxidized iron lining pores; 3 percent fine distinct threadlike noncoherent cemented silica masses with sharp boundaries lining pores; fragments; noneffervescent; neutral, pH 7.3, pH indicator solutions; gradual smooth boundary. Lab sample # 15N01690; slightly dry when described; observed in trench
    3Bkqm—145 to 200 centimeters (57.1 to 78.7 inches); white (2.5Y 8/1), light gray (2.5Y 7/2), moist; cemented loam; 16 percent clay; structureless massive; very hard, firm, weakly coherent by silica, slightly sticky, slightly plastic; many very fine tubular pores; 7 percent coarse distinct threadlike noncoherent cemented masses of oxidized iron lining pores and 8 percent medium distinct threadlike noncoherent cemented masses of oxidized iron lining pores; 3 percent fine distinct threadlike noncoherent cemented carbonate concretions with sharp boundaries lining pores; fragments; noneffervescent; neutral, pH 7.2, pH indicator solutions. Lab sample # 15N01691; slightly dry when described; observed in trench