繁育苗木时,对苗圃中杂草使用除草剂除草,成本低,效果好, 值得大力推广。但是在使用过程中要注意根据苗木的生长习性、生物学特性和栽培方式科学用药,否则易伤害苗木,造成损失。一、选择适当的除草剂种类苗木播后出苗前除草,选用封地性除草剂;杂草出苗后 Breeding seedlings, nursery weeds in the use of weeds herbicides, low cost, good effect, it is worth promoting. However, in the course of the use of seedlings should pay attention to the growth habits, biological characteristics and cultivation methods of scientific medication, otherwise easy to damage seedlings, resulting in loss. First, choose the appropriate type of herbicide Seedlings after sowing pre-emergence weeding, selection of geothermic herbicides; weeds after emergence