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丁草胺是一种内吸传导型选择性芽前除草剂.60％丁草胺乳油亩施一般不超过100毫升。在杂草二叶前有较好的防除效果。因此,一定要在二叶前施药。在秧田或直播田切不可播种当天或播前一天施药,不然易产生药害。在麦田、油菜田使用要求土壤,湿润,不宜在露籽麦多的田块使用。另外,丁草胺对鱼高毒,具易燃性。杀草丹是一种内吸传导型的选择性除草剂。主要通过植物幼芽和根吸收,对生长点产生很强的抑制性。一般亩施50％乳油200～250毫升。对稻麦种子萌芽有抑制作用,不能在播种至1叶前施用。杀稗草应在2叶1心以前使用,麦田除草可与绿麦隆混用,控制晚稻秧田虫草可与呋喃丹混用,但不可与2、4滴混用。
Butachlor is a selective pre-emergence herbicide with a transmission of 60% butachlor cream. Generally, it does not exceed 100 ml. In the weeds two leaves before a better control effect. Therefore, be sure to give medicine before the second leaf. In seedling or direct seeding field must not sow the same day or sowing the day before spraying, or easy to produce phytotoxicity. In the wheat field, rapeseed field use requires soil, moist, should not be used in the field of dew seed wheat more. In addition, butachlor high toxicity to fish, flammable. Sulfatide is a systemic herbicidal and selective herbicide. Mainly through the plant sprouts and root absorption, the growth point has a strong inhibitory. General Mushi 50% EC 200 ~ 250 ml. Rice seed germination inhibition, can not be sown until the first leaf application. Barnyardgrass should be used before the 2 leaf 1 heart, wheat weeding can be mixed with green wheat, control late rice seedling Cordyceps can be mixed with carbofuran, but not with 2, 4 drops of mixed use.