LOCATION CLEMAN WA
Established Series
Rev. TER/CDL/RJE/RWL
09/2019
CLEMAN SERIES
Landscape--valleys
Landform--alluvial fans, flood plains
Slope--0 to 15 percent
Parent material--alluvium
Mean annual precipitation--about 250 mm
Mean annual air temperature--about 10 degrees C
Depth class--very deep
Drainage class--well drained
Soil moisture regime--aridic
Soil temperature regime--mesic
Soil moisture subclass--xeric
TAXONOMIC CLASS: Coarse-loamy, mixed, superactive, mesic Torrifluventic Haploxerolls
TYPICAL PEDON: Cleman very fine sandy loam in an area of irrigated cropland
Ap--0 to 25 cm; very fine sandy loam, grayish brown (10YR 5/2) dry, dark brown (10YR 3/3) moist; weak fine granular structure; soft, very friable, slightly sticky and slightly plastic; few very fine roots; common fine pores; slightly alkaline (pH 7.4); clear wavy boundary
C1--25 to 64 cm; fine sandy loam, brown (10YR 5/3) dry, dark brown (10YR 3/3) moist; massive; soft, very friable, nonsticky and nonplastic; few medium roots; slightly alkaline (pH 7.6); abrupt wavy boundary
C2--64 to 71 cm; silt loam, brown (10YR 5/3) dry, dark brown (10YR 3/3) moist; massive; soft, very friable, nonsticky and nonplastic; slightly alkaline (pH 7.6); abrupt wavy boundary
C3--71 to 102 cm; sandy loam, yellowish brown (10YR 5/4) dry, dark yellowish brown (10YR 3/4) moist; massive; soft, very friable, nonsticky and nonplastic; slightly alkaline (pH 7.6) clear wavy boundary
C4--102 to 114 cm; fine sandy loam, brown (10YR 5/3) dry, dark brown (10YR 3/3) moist; massive; soft, very friable, nonsticky and nonplastic; slightly alkaline (pH 7.8); clear wavy boundary
C5--114 to 140 cm; sandy loam, yellowish brown (10YR 5/4) dry, dark yellowish brown (10YR 3/4) moist; single grain; loose; slightly alkaline (pH 7.8) abrupt wavy boundary
C6--140 to 150 cm; very fine sandy loam, yellowish brown (10YR 5/4) dry, dark yellowish brown (10YR 3/4) moist; massive; soft, very friable, slightly sticky and nonplastic; slightly alkaline (pH 7.8)
TYPE LOCATION: Yakima County, Washington, about 9.5 km southeast of Moxee; about 210 m west and 30 m north of the southeast corner of section 13, T. 12 N., R. 20 E., Willamette Meridian
RANGE IN CHARACTERISTICS:
Mean annual soil temperature at a depth of 50 cm--9 to 12 degrees C
Soil moisture--dry in all parts between depths of 10 and 35 cm more than half the time the soil temperature is higher than 5 degrees C (105 to 115 days)
Thickness of mollic epipedon--25 to 50 cm
Rock fragment content in particle-size control section--0 to 5 percent
Ap horizon
Value--4 or 5 dry, 2 or 3 moist
Chroma--2 or 3 moist or dry
Reaction--6.6 to 7.8
Thickness--25 to 50 cm
Some pedons have a thin B horizon.
C horizon
Hue--10YR, 2.5Y
Value--5 or 6 dry, 3 or 4 moist
Chroma--2, 3, or 4 moist or dry
Texture--stratified silt loam to loamy fine sand above a depth of 100 cm; stratified silt loam to sand and 0 to 40 percent rock fragments below a depth of 100 cm
Reaction--6.6 to 7.8 above a depth of 100 cm; 6.6 to 8.4 below a depth of 100 cm
Combined thickness--100 cm or more
COMPETING SERIES:
Beetville--redoximorphic features within a depth of 100 to 183 cm
Circlevalley--calcareous throughout particle-size control section
Dressler--redoximorphic features within a depth of 76 to 127 cm
Kimberly--slightly calcareous or moderately calcareous throughout particle-size control section
Kodak--calcareous throughout particle-size control section; 50 to 100 cm deep to a buried A horizon; shell fragments throughout
Ravendog--secondary carbonates and 5 to 15 percent durinodes within a depth of 50 to 100 cm
Sheepskin--20 to 35 percent rock fragments in particle-size control section
GEOGRAPHIC SETTING:
Elevation--120 to 610 m
Climate--dry, semiarid
Mean annual precipitation--200 to 300 mm
Mean January air temperature--about -3 degrees C
Mean July air temperature--about 22 degrees C
Mean annual air temperature--9 to 12 degrees C
Frost-free season--135 to 200 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Ashue--more than 18 percent clay; on low terraces
Roza--more than 18 percent clay; on alluvial fans
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--well drained
Saturated hydraulic conductivity (Ksat)--high
Flooding--none to rare
USE AND VEGETATION:
Use--mainly production of irrigated orchard crops and hay and pasture; some livestock grazing and nonirrigated crop production
Native vegetation--bluebunch wheatgrass, Wyoming big sagebrush
DISTRIBUTION AND EXTENT: South-central Washington; MLRAs 7 and 8; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Portland, Oregon
SERIES ESTABLISHED: Yakima County, Washington; 1947
REMARKS:
Diagnostic horizons and other features recognized in this pedon
*Mollic epipedon--zone from the surface to a depth of 25 cm
*Particle-size control section--zone from 25 to 100 cm
It is assumed that these soils have an irregular decrease in organic carbon content as depth increases.
National Cooperative Soil Survey
U.S.A.