IDENTIFIERS

  • Current Taxon Name (Soil Name): Walla Walla
  • OSD
  • Series Extent
  • User Site ID: S1986WA075101
  • User Pedon ID: 86WA075101
  • Vegetation Plot ID: S1986WA075101
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0693
  • NCSS Pedon Lab Data NASIS Record ID - 58987
  • Print Date: 11/21/2024

    • 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: 46.7416649
  • Std. Longitude: -117.8000031
  • Datum: WGS84
  • Township: 15N
  • Range: 40E
  • Section: 33
  • PLSS Details: 1,000 feet W and 300 feet N of SE 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 #: 101
  • 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: summit
  • Slope Position: upper third
  • Slope Shape Down: convex
  • Runoff: medium
  • 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—104

    104—213

    —-

    —-

    —-
    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

    19

    —

    —

    525

    —

    135

    38

    —

    —

    10

    22

    -1

    11

    23

    0

    —

    —

    —

    —

    —
    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate medium granular structure; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P04032. (10YR 2/2) coats at interface of Ap and A horizons.; common very fine roots
    1A—20 to 36 centimeters (7.9 to 14.2 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2) interior, moist; silt loam; moderate medium subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 2.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 86P04033. common very fine roots
    1Bw—36 to 104 centimeters (14.2 to 40.9 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4) interior, moist; silt loam; moderate medium prismatic structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 roots; 5.5 very fine tubular pores; fragments; neutral, pH 7.3, hellige-truog; abrupt wavy boundary. Lab sample # 86P04034. common roots
    1Bk—104 to 152 centimeters (40.9 to 59.8 inches); very pale brown (10YR 7/3), yellowish brown (10YR 5/4) interior, moist; silt loam; weak coarse prismatic structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots; 5.5 very fine tubular pores; 30 percent medium irregular lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, hellige-truog; clear wavy boundary. Lab sample # 86P04035. many medium soft masses of lime concentrations; common very fine roots
    1Bk—152 to 183 centimeters (59.8 to 72.0 inches); very pale brown (10YR 8/2), pale brown (10YR 6/3) interior, moist; silt loam; strong medium subangular blocky structure; hard, firm, slightly sticky, slightly plastic; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog; clear wavy boundary. Lab sample # 86P04036
    1Bk—183 to 213 centimeters (72.0 to 83.9 inches); very pale brown (10YR 7/3), yellowish brown (10YR 5/4) interior, moist; silt loam; massive; soft, very friable, slightly sticky, slightly plastic; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog. Lab sample # 86P04037