IDENTIFIERS

  • Current Taxon Name (Soil Name): Walla Walla
  • OSD
  • Series Extent
  • User Site ID: S1986WA075003
  • User Pedon ID: 86WA075003
  • Vegetation Plot ID: S1986WA075003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0695
  • NCSS Pedon Lab Data NASIS Record ID - 58989
  • 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: 46.7249985
  • Std. Longitude: -117.8000031
  • Datum: WGS84
  • Township: 14N
  • Range: 40E
  • Section: 4
  • PLSS Details: 2,200 feet N and 1,500 feet W of SE corner
  • Location Description: About 8 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 #: 3
  • 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: backslope
  • Slope Position: middle 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—48

    48—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

    30

    476

    45

    38

    10

    22

    -1

    11

    23

    0

    1Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (10YR 4/3) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; weak medium subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P04046. many very fine roots
    1Ap—20 to 28 centimeters (7.9 to 11.0 inches); brown (10YR 4/3) interior, very dark grayish brown (10YR 3/2) interior, moist; silt loam; weak medium subangular blocky structure; hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P04047. many very fine roots
    1BA—28 to 48 centimeters (11.0 to 18.9 inches); yellowish brown (10YR 5/4) interior, dark brown (10YR 3/3) interior, moist; silt loam; strong medium prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots; 2.5 very fine tubular pores; fragments; neutral, pH 7.2, hellige-truog; gradual wavy boundary. Lab sample # 86P04048. many very fine roots
    1Bw—48 to 109 centimeters (18.9 to 42.9 inches); pale brown (10YR 6/3) interior, brown (10YR 4/3) interior, moist; silt loam; moderate coarse prismatic structure; hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots; 2.5 very fine tubular pores; fragments; slightly alkaline, pH 7.6, hellige-truog; clear wavy boundary. Lab sample # 86P04049. many very fine roots
    1Bk—109 to 163 centimeters (42.9 to 64.2 inches); pale brown (10YR 6/3) interior, yellowish brown (10YR 5/4) interior, moist; silt loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots; 5.5 very fine tubular pores; 30 percent irregular lime masses; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 86P04050. many soft masses of lime concentrations; many very fine roots
    1Bk—163 to 183 centimeters (64.2 to 72.0 inches); very pale brown (10YR 7/3) interior, yellowish brown (10YR 5/4) interior, moist; silt loam; massive; soft, friable, slightly sticky, slightly plastic; 5.5 very fine roots; 5.5 very fine tubular pores; 30 percent irregular lime masses; fragments; violent effervescence, by hcl, 1n; strongly alkaline, pH 8.8, hellige-truog; clear wavy boundary. Lab sample # 86P04051. many soft masses of lime concentrations; many very fine roots
    1Bk—183 to 213 centimeters (72.0 to 83.9 inches); pale brown (10YR 6/3) interior, dark yellowish brown (10YR 4/4) interior, moist; silt loam; weak medium angular blocky structure; very hard, firm, slightly sticky, slightly plastic; 2.5 very fine tubular pores; 30 percent fine threadlike carbonate concretions; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.4, hellige-truog. Lab sample # 86P04052. many fine lime concretions concentrations