我区在林业上应用化学药剂除草试验已近10年,实践证明,应用化学药剂除草是消灭圃地杂草,提高劳动效率,减轻劳动强度,降低育苗成本,提高苗木质量行之有效的措施。但也有因使药不当,出现药害或效果不佳,为此,观将近几年林业上经试验应用的几种化学除草剂使用方法简要介绍如下: 1.扑草净:杀草范围广,可有效地防除多种一年生杂草和某些多年生杂草,如马唐、狗尾草等,是旱田、水田较好的内吸传 The application of chemical herbicides in forestry in our region has been conducted for nearly 10 years. Practice has proved that the application of chemical herbicides to weed control is an effective measure to eliminate weeds in nurseries, improve labor efficiency, reduce labor intensity, reduce seedling cost and improve nursery stock quality. However, due to improper medicine, there is injury or poor performance, therefore, the view of the past few years on the experimental application of several methods of chemical herbicides are described as follows: 1. Prometryn: to kill a wide range of grass, Can effectively control a variety of annual weeds and some perennial weeds, such as Crabgrass, Setaria, etc., is dry, paddy field better absorption