Platte soils are shallow to coarse sand, gravelly sand or gravelly coarse sand. Ord soils have sand at 20 to 35 inches and are more clacareous. Wann soils are somewhat poorly drained. The seasonal high water table ranges from a depth of l.5 feet in most wet years to 3.5 feet in most dry years. Runoff is slow.
Permeability is moderately rapid.
Flooding is rare or common and for brief durations. Most of the acreage is in cultivated crops. The principal crops are alfalfa, corn, grain sorghum, and soybeans. Many areas are irrigated. A smaller acreage is in native grass and used for grazing or hay meadow.