01186cam a22002531 4500 agr65000080 DLC 20260227111023.0 750424s1964 xx 000 0 eng agr65000080 (OCoLC)1296308 DLC NOsU OCoLC FO OCoLC DLC premarc TP963 .U5 A 77.2:Su 7 United States. Agricultural Research Service. Soil and Water Conservation Research Division. Superphosphate; its history, chemistry, and manufacture [prepared by] Soil and Water Conservation Research Division, Agricultural Research Service, U. S. Department of Agriculture and Office of Agricultural and Chemical Development, Tennessee Valley Authority. Washington, Agricultural Research Service, U.S. Depart of Agriculture; for sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1964. iv, 349 p. illus., ports. 27 cm. Includes bibliographies. Phosphates. Fertilizer industry United States. Tennessee Valley Authority. Office of Agricultural and Chemical Development. 11982 11982