Mohall and Tremant soils have argillic horizons. Irrigated areas are used for the production of alfalfa, cotton, citrus, fruits, vegetables, and small grains. Native areas are used for limited livestock grazing. The native vegetation is mesquite, creosotebush, bursage and cacti. Sixweeks grama, filaree, and Indianwheat are common following rains.
Valencia soils are moderately extensive.