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One of the main management methods to prevent the selection of resistant weeds is the use of pre-emergence herbicides. To choose which pre-emergence herbicide to use in soybean crops, it is necessary to know which weed species are dominant in that system. The target of pre-emergence herbicides is the soil to control the germination and emergence of weeds. Some examples of pre-emergence herbicides in soybeans are clomazone, trifluralin, sulfentrazone, diclosulam, and flumetsulam.