Holdrege -- Nebraska State Soil
Holdrege Soil Profile
Surface layer: dark grayish brown silt loam
soils are extensive, making up about 1.8 million acres in south-central
Nebraska. Most areas of these soils are used for crops, pasture, or
rangeland. Corn, soybeans, and small grain are the main crops grown under
dryland conditions. Many areas are irrigated.
The Holdrege series consists of deep, nearly level to gently sloping, well-drained soils on uplands. These soils formed in silty, calcareous loess. Slopes typically range from 0 to 6 percent, but they are as much as 15 percent in some areas. The average annual precipitation is about 22 inches, and the annual average snowfall is about 22 inches. The average annual air temperature is about 50 degrees.
The Holdrege series was established in Phelps County, Nebraska, in 1917. it is named after a community in the county. It was selected as the Nebraska State soil in 1979.