Arid soils are one of the most prevalent soil orders of the world.Due to limited moisture and accumulated soluble salts, these soils are generally not suited for major crop production.
forest soil:Productive soils are the foundation of sustainable
forests throughout the United States. Forest soils
are generally subjected to fewer disturbances than
agricultural soils, particularly those that are tilled, so
forest soils tend to have better preserved A-horizons than