Zylstra soil series
Typical profile of a Zylstra soil. This soil is similar to the Elwha soil except that the Zylstra soil is somewhat poorly drained and thus the redoximorphic features (red and orange stains) are at a shallower depth. The compacted dense horizon is at a depth of about 95 centimeters. (Soil Survey of Island County, Washington; by Bruce Lindsay, Erik Dahlke, and Toby Rodgers, Natural Resources Conservation Service)
The Zylstra series consists of moderately deep to densic contact, somewhat poorly drained soils formed in compacted glacial drift underlain by dense glaciomarine deposits. Zylstra soils are on hillslopes and outwash plains at elevations from 40 to 90 meters. Slopes are 0 to 15 percent. The mean annual precipitation is about 813 mm. The mean annual temperature is about 9 degrees C.
TAXONOMIC CLASS: Coarse-loamy, isotic, mesic Aquic Humixerepts
Mean annual soil temperature - 10 to 11 degrees C
Depth to redoximorphic features - 23 to 46 cm
Umbric epipedon thickness - 25 to 38 cm
Depth to densic contact - 50 to 100 cm
Reaction - strongly acid to neutral
Particle size control section:
Clay content - 5 to 18 percent
Rock fragments - 0 to 25 percent gravel and 0 to 10 percent cobbles
USE AND VEGETATION: Zylstra soils are used for home sites, timber production, crop production, and livestock grazing. Potential natural vegetation is western redcedar, Douglas-fir, grand fir, lodgepole pine, red alder, common snowberry, trailing blackberry, salmonberry, stinging nettle, salal, swordfern, and bracken fern.
DISTRIBUTION AND EXTENT: Northwestern Washington; MLRA 2. Series is of small extent. Most of the area mapped as Zylstra was previously mapped as Swantown in the 1950 Island County soil survey. Swantown soils are loamy-skeletal and have a Bsm, or cemented horizon.
For additional information about the survey area, visit:
www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/washington/isl...
For a detailed soil description, visit:
soilseries.sc.egov.usda.gov/OSD_Docs/Z/ZYLSTRA.html
For acreage and geographic distribution, visit:
Zylstra soil series
Typical profile of a Zylstra soil. This soil is similar to the Elwha soil except that the Zylstra soil is somewhat poorly drained and thus the redoximorphic features (red and orange stains) are at a shallower depth. The compacted dense horizon is at a depth of about 95 centimeters. (Soil Survey of Island County, Washington; by Bruce Lindsay, Erik Dahlke, and Toby Rodgers, Natural Resources Conservation Service)
The Zylstra series consists of moderately deep to densic contact, somewhat poorly drained soils formed in compacted glacial drift underlain by dense glaciomarine deposits. Zylstra soils are on hillslopes and outwash plains at elevations from 40 to 90 meters. Slopes are 0 to 15 percent. The mean annual precipitation is about 813 mm. The mean annual temperature is about 9 degrees C.
TAXONOMIC CLASS: Coarse-loamy, isotic, mesic Aquic Humixerepts
Mean annual soil temperature - 10 to 11 degrees C
Depth to redoximorphic features - 23 to 46 cm
Umbric epipedon thickness - 25 to 38 cm
Depth to densic contact - 50 to 100 cm
Reaction - strongly acid to neutral
Particle size control section:
Clay content - 5 to 18 percent
Rock fragments - 0 to 25 percent gravel and 0 to 10 percent cobbles
USE AND VEGETATION: Zylstra soils are used for home sites, timber production, crop production, and livestock grazing. Potential natural vegetation is western redcedar, Douglas-fir, grand fir, lodgepole pine, red alder, common snowberry, trailing blackberry, salmonberry, stinging nettle, salal, swordfern, and bracken fern.
DISTRIBUTION AND EXTENT: Northwestern Washington; MLRA 2. Series is of small extent. Most of the area mapped as Zylstra was previously mapped as Swantown in the 1950 Island County soil survey. Swantown soils are loamy-skeletal and have a Bsm, or cemented horizon.
For additional information about the survey area, visit:
www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/washington/isl...
For a detailed soil description, visit:
soilseries.sc.egov.usda.gov/OSD_Docs/Z/ZYLSTRA.html
For acreage and geographic distribution, visit: