Superphosphate; its history, chemistry, and manufacture - United States. Agricultural Research Service. Soil and Water Conservation Research Division; Tennessee Valley Authority. Office of Agricultural and Chemical Development (Washington, Agricultural Research Service, U.S. Depart of Agriculture; for sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1964)
Includes bibliographies.
Keywords: Phosphates; Fertilizer industry -- United States