TY - SER AU - Martins,J.F.da AU - Mattos,M.L.T. AU - Silva,F.F.da S. AU - Büttow,G.T. TI - Fipronil residual content in the soil for the control of Oryzophagus oryzae in subsequent flooded rice crops KW - ARROZ IRRIGADO KW - SOLO KW - PRAGA DE PLANTA KW - INSETICIDA KW - BICHEIRA ER -