IDENTIFIERS

  • Current Taxon Name (Soil Name): Walla Walla
  • OSD
  • Series Extent
  • User Site ID: S1986WA075006
  • User Pedon ID: 86WA075006
  • Vegetation Plot ID: S1986WA075006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0698
  • NCSS Pedon Lab Data NASIS Record ID - 58992
  • Print Date: 5/20/2024

    • 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: 46.7583351
  • Std. Longitude: -117.8083344
  • Datum: WGS84
  • Township: 15N
  • Range: 40E
  • Section: 29
  • PLSS Details: 2,150 feet S and 2,600 feet E of NW corner
  • Location Description: About 5 mi SE of Lacrosse, WA.
  • State: Washington
  • County: WA075—Whitman
  • MLRA: 8—Columbia Plateau

    • PEDON

  • Describers Name: T. E. Reedy, Rev. By H. Gentry, and R. J. Engel
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Walla Walla
  • Taxonomic Class - Coarse-silty, mixed Pachic Haploxerolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/1/1986
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: hills
  • Landform: hillside or mountainside
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1986 (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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AGSP

    FEID

    POSE

    Agropyron spicatum

    Festuca idahoensis

    Poa secunda

    —

    Idaho fescue

    Sandberg bluegrass

    —

    —

    —

    —

    —

    —

    —

    —

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

    mollic epipedon

    cambic horizon

    0—56

    56—147

    —-

    —-
    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

    31

    —

    —

    500

    —

    135

    36

    —

    —

    10

    22

    -1

    11

    23

    0

    —

    —

    —

    —

    —
    1Ap—0 to 23 centimeters (0.0 to 9.1 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate medium granular structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P04067. many very fine roots
    1A—23 to 30 centimeters (9.1 to 11.8 inches); dark grayish brown (10YR 4/2) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate medium platy structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots; 0.5 very fine tubular pores; fragments; neutral, pH 6.8, hellige-truog; gradual wavy boundary. Lab sample # 86P04068. common very fine roots
    1BA—30 to 56 centimeters (11.8 to 22.0 inches); yellowish brown (10YR 5/4) interior, dark brown (10YR 3/3) interior, moist; silt loam; moderate medium prismatic, and weak medium subangular blocky structure; slightly hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 7.2, hellige-truog; gradual smooth boundary. Lab sample # 86P04069. common very fine roots
    1Bw—56 to 147 centimeters (22.0 to 57.9 inches); light yellowish brown (10YR 6/4) interior, dark yellowish brown (10YR 4/4) interior, moist; silt loam; weak coarse prismatic structure; slightly hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 7.2, hellige-truog; abrupt wavy boundary. Lab sample # 86P04070. common very fine roots
    1Bk—147 to 160 centimeters (57.9 to 63.0 inches); very pale brown (10YR 7/3) interior, yellowish brown (10YR 5/4) interior, moist; silt loam; weak coarse prismatic structure; slightly hard, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular pores; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, hellige-truog; clear wavy boundary. Lab sample # 86P04071. common very fine roots
    1Bk—160 to 213 centimeters (63.0 to 83.9 inches); very pale brown (10YR 7/3) interior, yellowish brown (10YR 5/4) interior, moist; silt loam; massive; soft, very friable, slightly sticky, slightly plastic; 0.5 very fine tubular and 0.5 fine tubular pores; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog. Lab sample # 86P04072