01186cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040003700111042001200148050001500160086001600175110009900191245026700290260015200557300003900709504002900748650001600777650004000793710008200833999001700915agr65000080 DLC20260227111023.0750424s1964 xx 000 0 eng  aagr65000080  a(OCoLC)1296308 aDLCcNOsUdOCoLCdFOdOCoLCdDLC apremarc00aTP963b.U50 aA 77.2:Su 71 aUnited States.bAgricultural Research Service.bSoil and Water Conservation Research Division.00aSuperphosphate;bits history, chemistry, and manufacturec[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. aWashington,bAgricultural Research Service, U.S. Depart of Agriculture; for sale by the Superintendent of Documents, U.S. Govt. Print. Off.,c1964. aiv, 349 p.billus., ports.c27 cm. aIncludes bibliographies. 0aPhosphates. 0aFertilizer industryzUnited States.2 aTennessee Valley Authority.bOffice of Agricultural and Chemical Development. c11982d11982