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22．5％乙耕甲对移栽稻田稗草、节节菜、矮慈姑有优良的防除效果，使用剂量225g／hm2和300g／hm2对水稻安全，保产效果显著。
22.5% of Bengtongjia had good control effect on barnyardgrass, Artemia nigra and Dwarf arrowhead in paddy field. The effects of using 225g / hm2 and 300g / hm2 on the safety and yield of paddy rice were significant.