IDENTIFIERS

  • Current Taxon Name (Soil Name): Walla Walla
  • OSD
  • Series Extent
  • User Site ID: S1986WA075002
  • User Pedon ID: 86WA075002
  • Vegetation Plot ID: S1986WA075002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0694
  • NCSS Pedon Lab Data NASIS Record ID - 58988
  • Print Date: 6/2/2024

    • 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: 46.7374992
  • Std. Longitude: -117.8000031
  • Datum: WGS84
  • Township: 14N
  • Range: 40E
  • Section: 4
  • PLSS Details: 1,200 feet W and 350 feet S of NE corner
  • Location Description: About 7 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 #: 2
  • Sampled As Information:
  • Soil Name - Walla Walla
  • Taxonomic Class - Coarse-silty, mixed Calcic 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—36

    36—109

    —-

    —-
    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

    16

    —

    —

    525

    —

    90

    38

    —

    —

    10

    22

    -1

    11

    23

    0

    —

    —

    —

    —

    —
    1Ap—0 to 18 centimeters (0.0 to 7.1 inches); brown (10YR 4/3) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate medium granular structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P04039. common very fine roots
    1A—18 to 23 centimeters (7.1 to 9.1 inches); brown (10YR 4/3) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; weak medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P04040. common very fine roots
    1AB—23 to 36 centimeters (9.1 to 14.2 inches); brown (10YR 5/3) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate medium prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots; 5.5 very fine tubular pores; fragments; neutral, pH 7.3, hellige-truog; gradual wavy boundary. Lab sample # 86P04041. many very fine roots
    1Bw—36 to 97 centimeters (14.2 to 38.2 inches); light yellowish brown (10YR 6/4) interior, dark brown (10YR 3/3) interior, moist; silt loam; moderate coarse prismatic, and moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 5.5 very fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; abrupt smooth boundary. Lab sample # 86P04042. many very fine roots
    1Bw—97 to 109 centimeters (38.2 to 42.9 inches); very pale brown (10YR 7/3) interior, yellowish brown (10YR 5/4) interior, moist; silt loam; massive; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 5.5 very fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; gradual wavy boundary. Lab sample # 86P04043. many very fine roots
    1Bk—109 to 173 centimeters (42.9 to 68.1 inches); pale brown (10YR 6/3) interior, yellowish brown (10YR 5/4) interior, moist; silt loam; massive; slightly hard, firm, slightly sticky, slightly plastic; 2.5 very fine roots; 5.5 very fine tubular pores; 30 percent fine threadlike carbonate concretions and 30 percent fine threadlike silica concretions; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 86P04044. many fine lime concretions concentrations; many fine silica concretions concentrations; common very fine roots
    1Bk—173 to 203 centimeters (68.1 to 79.9 inches); pale brown (10YR 6/3) interior, yellowish brown (10YR 5/4) interior, moist; silt loam; massive; very hard, very firm, slightly sticky, slightly plastic; 30 percent fine threadlike carbonate concretions and 30 percent fine threadlike silica concretions; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog. Lab sample # 86P04045. 1-3 mm thick of lime-silica in cracks (10YR 8/2).; many fine lime concretions concentrations; many fine silica concretions concentrations