Both have an abrupt textural change between the A and B horizons and are less well drained. Holdrege soils are on slopes above Detroit soils. Holdrege soils are fine-silty and have a thinner mollic epipedon. Moderately well drained. Runoff is slow or medium.
Permeability is slow.
Flooding is rare on the high floodplains. Most of the soils are cultivated. Principal crops are wheat, alfalfa, and sorghums. Native vegetation was tall grasses with some deciduous trees. The series is extensive, slightly more than 100,000 acres.