TY - SER AU - Francisco,E.A.B. AU - Prochnow,L.I. AU - Toledo,M.C.M.de AU - Ferrari,V.C. AU - Jesus,S.L.de TI - Thermal, treatment of aluminous phosphates of the crandallite group and itis effect on phosphorus solubility KW - FERTILIZANTE FOSFATADO KW - TRATAMENTO TÉRMICO KW - SOLUBILIDADE ER -