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根据稻田王、快杀稗、农得时及对照药剂丁草胺4种除草剂对杂草的相对防效，筛选出了除治水稻秧田、本田杂草的最佳药剂，找出了稻田王、快杀稗、农得时的田间最佳使用剂量，并对各除草剂的相对防效进行方差分析及多重比较，为大面积推广提供理论依据。
According to the relative control effect of 4 herbicides of Butachlor, Fagopyrumdratum, Agrocybe aegerita and control herbicide Butachlor on weeds, we screened out the best medicaments except rice seedling and Honda weed, , Fast kill barnyard grass, farmland when the best use of the dose, and the relative control effect of each herbicide analysis of variance and multiple comparison, provide a theoretical basis for large-scale promotion.