method for pest control. A method for controlling weeds in a soybean, corn or cotton field, comprising applying at least one ppo inhibitor compound selected from the group consisting of flumioxazine, sulfentrazone, saflufenacil, oxyfluorfen, fomessaphen sodium and the compound of formula (i): an agricultural field before, during or after sowing with soybean, maize or cottonseed treated with one or more insecticidal compounds selected from the group consisting of fiprionyl, etiprole, flupiradifurone, sulfoxaflor, beta-cyfluthrin, tefluthrin and chlorpyrifos. A method for controlling pests in a soybean, maize or cotton field, comprising the steps of: treating soybean, maize or cottonseed with one or more insecticidal compounds selected from the group consisting of fipronil, etiprol, flupiradifurone, sulfoxaflor, potato-cyfluthrin , tefluthrin and chlorpyrifos, and treating a soybean, maize or cotton field with one or more ppo inhibitor compounds selected from the group consisting of flumioxazine, sulfentrazone, saflufenacil, oxyfluorfen, fomessaphen sodium and the compound of formula (i): control according to claim 1 or claim 2, wherein the insecticidal compound is fipronil or flupiradifurone. control method according to claim 3, wherein the ppo inhibitor compound is flumioxazine. A control method according to claim 2, wherein the step is to treat a soybean, corn or cotton field with the powder inhibitor compound prior to sowing with soybean, corn or cotton seed. A control method according to claim 2, wherein the step is to treat a soybean, corn or cotton field with the powder inhibitor compound during sowing with soybean, corn or cotton seed. A control method according to claim 2, wherein the step is to treat a soybean, corn or cotton field with the powder inhibitor compound after sowing with soybean, corn or cotton seed. control method according to claim 2, wherein the pest is a weed and / or a harmful arthropod. control method according to claim 2, wherein the pest