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example 8
coarse-silty, mixed, superactive,
frigid
Vitrandic Fragixeralf
(Santa series)
This soil has formed in loess
and has silty textures throughout. Native vegetation consists of
grand fir and ninebark. The subsoil fragipan, with a bulk density
around 1.8 g/cm3, creates problems for the use and management
of these soils. Perched zones of saturation form above the fragipan
during winter and persist into late spring, causing erosion hazards
on steeper slopes.Land use planning for these soils must take into
account the special erosion and nutrient-management issues created
by the presence of these saturated zones.
Click
here for more information on the Santa series, and click
here for a map of this soil's geographic extent.
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