施田补（又名除草通） ,是美国氰胺公司在１９７１年开发成功的广谱性旱田作物除草剂 ,是一种选择性内吸局部传导型土壤处理剂。药剂通过植物的幼芽、幼茎和根系吸收 ,抑制幼芽和次生根分生组织的细胞分裂 ,从而阻碍杂草幼苗生长而死亡。施田补不仅对许多单子叶杂草和一年生莎 Shi Tian Bu (also known as weeding pass), is the United States Cyanamid developed in 1971, a broad spectrum of field crop herbicides, is a selective absorption of local conduction of soil-based agent. Pharmacy through plant buds, young stems and roots to absorb, inhibit shoots and secondary root meristem cell division, thus impeding the growth of weed seedlings and death. Shi Tian Bu not only for many monocotyledons and annual shan