Permeability is rapid in the sandy mantle and moderately slow or moderate in the sandstone. Most areas with slopes less than 6 percent are used for cropland. Corn, soybeans, small grain, and hay are the principal crops. Most of the steeper areas are used for woodland or pastureland. Native vegetation is mixed deciduous and pine forest.
Common trees are northern pin oak and jack pine.
MLRA K91 inclusion in M105. The series is of small extent to date, but it is anticipated that as soil surveys are updated, the acreage may increase to moderately extensive in Wisconsin. Pepin County, Wisconsin, 1998. Prior to 1996, Boplain soils were mapped as the Plainbo series which is the frigid temperature regime counterpart.