Highly erodible land
In United States agricultural policy, Highly erodible land refers to land that is very susceptible to erosion, including fields that have at least 1/3 or of soils with a natural erosion potential of at least 8 times their T value. About of cropland meet this definition of HEL, according to the 1997 National Resources Inventory. Farms cropping highly erodible land and under production flexibility contracts must be in compliance with a conservation plan that protects this cropland.