1. A method for controlling weeds in a cultivation area of soybean, the method comprising applying trifludimoxazin and saflufenacil to growing weeds in the cultivation area of soybean, wherein an application rate of trifludimoxazin is approximately 10 to approximately 12.5 g/ha and an application rate of saflufenacil is approximately 20 to approximately 25 g/ha.