Dothan and Orangeburg soils are very extensive in the eastern part of the Lower Coastal Plains. They have loamy subsoils and sandy loam or loamy sand surface layers. Smithdale and Bama soils are very extensive in the western part. These soils have loamy subsoils and sandy loam surface layers. Most slopes are less than 15 percent.
Major crops are corn, peanuts, cotton, soybeans and horticulture crops.
Timber products and hogs are very important. Elevations range from sea level to 500 feet. These soils were derived from alkaline, Selma chalk or acid marine clays. Acid and alkaline soils are intermingled throughout the area. Sumter soils, which are typical of the alkaline soils, are clayey throughout and have a dark-colored surface layer and a yellowish brown subsoil.