ARCPACS Certified Soil Classifier- soil scientist who is certified as a soil classifier by ARCPACS
(A Federation of Certifying Boards in Agronomy, Biology, Earth and Environmental Sciences. This designation is the only acceptable credential of the Oregon Department of Agriculture, Administrative rules.
High-Value Farmland- land in a tract composed predominantly of soils that are prime, unique, Class I or II, and other soils as specified in the rule. These other soils include the wet clay soils on valley terraces that are generally used for grass seed production, and moderately sloping soils on low foothills.
Prime Farmland- the best soils from a national perspective--easy to farm, suitable for a wide variety of crops, producing the highest yields.