#$%^&*AU2016210616A120160818.pdf#####ABSTRACT OF THE DISCLOSURE Provided is a method which exerts an excellent effect in controlling a pest in a field of soybean, corn or cotton, using a SDHI compound and a PPO-inhibiting compound. A method of controlling a pest (a weed and/or a plant pathogen) in a field of soybean, corn or a cotton, including treating a field before, at or after seeding with a seed of soybean, corn or cotton treated with one or more compounds selected from the group consisting of SDHI compounds, with one or more PPOinhibiting compounds selected from the group consisting of flumioxazin, sulfentrazone, saflufenacil, oxyfluorfen, fomesafen and a compound of the formula: H3CN N N1O N O CH3