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一、除草剂的分类 (一)根据除草剂对作物与杂草作用的不同分为: 1.选择性除草剂能杀除杂草,对农作物无伤害作用。如2.4-D,2甲-4氯,西马津,阿特拉津等。 2.灭生性除草剂对草、苗不分,只要植物接触到药剂均被杀死。如五氯酚钠、NaCIO_3、Na_2AsO_3等。选择性与灭生性之间的界限不是绝对的,是有条件的。
First, the classification of herbicides (A) According to the role of herbicides on crops and weeds are divided into: 1. Selective herbicides to kill weeds, no harm to crops. Such as 2.4-D, 2 A -4 chlorine, Cimazine, atrazine and so on. 2. Desiccation of herbicides on grass, seedlings, as long as the plants were exposed to the agents were killed. Such as sodium pentachlorophenate, NaCIO_3, Na_2AsO_3 and so on. The line between selectivity and emancipation is not absolute, it is conditional.