#$%^&*AU2013205402B220170413.pdf#####S33519 ABSTRACT OF THE DISCLOSURE To provide a method which shows excellent effects in controlling pests in a field of soybean, corn or cotton. 5 A method for controlling weeds in a field of soybean, corn or cotton, wherein the fieldof soybean, cornor cotton is treated withat least one PPO-inhibiting compound selected from the group consisting of flumioxazin, sulfentrazone, saflufenacil, oxyfluorfen, fomesaf en-sodium, and the compound of the formula 10 (I): 0F 0 H30, )<;' I HN N N 0 i S N 0 CH3 before, at or after seeding withaseedof soybean, corn or cotton treated with one or more insecticidal compounds selected from the group consisting of fipronil, ethiprole, flupyradifurone, 15 sulfoxaflor, beta-cyfluthrin, tefluthrin, and chlorpyrifos.