TY - SER AU - Lopes,U.P. AU - Zambolin,L. AU - Souza Neto,P.N. AU - Souza,A.F. AU - Capucho,A.S. AU - Rodrigues,F.de A. TI - Effect of foliar application of potassium silicate on the progress of coffee leaf rust KW - CAFE KW - FERRUGEM KW - POTASSIO KW - SILICIO KW - APLICAÇÃO AEREA ER -