#$%^&*AU2013206108B220161117.pdf#####ABSTRACT OF THE DISCLOSURE To provide a method which exerts excellent controlling effects onnoxious organisms inafieldof soybean, cornorcotton. A method for controlling noxious organisms in a field of soybean, corn or cotton, wherein at least one PPO inhibitor compound selected from the group consisting of flumioxazin, sulfentrazone, saflufenacil, oxyfluorfen, fomesafen-sodium, and a compound represented by formula (I): F 0 H3C' NI Ot S N N 0 (1) CH3 is applied to the field before, at or after sowing a soybean, corn or cotton seed treated with fludioxonil.