采用化学除草是发展园林生产的重要措施之一。苗圃化学除草效果好、成本低,使用方便,用途也越来越广泛,特别是在幼林抚育上,杂草是幼林生产的大敌,小苗出圃后,如不及时除草抚育,会使小苗生长严重受阻,而实行化学除草是提高功效,节省劳力,促进林木生产,提高经济效益的有效措施。但是,园林施用除草剂,也容易产生药害,因此,除草剂在园林苗圃中的施用是一项技术性很强的工作,必须掌握以下几点。 The use of chemical weeding is one of the important measures to develop garden production. Nursery chemical weeding effect is good, low cost, easy to use, use more and more widely, especially in young forest tending, weeds are the enemy of young forest production, Nursery out nursery, if not timely weeding, will cause serious growth of nursery Blocked, and the implementation of chemical weeding is to improve efficiency, save labor, promote forest production, improve economic efficiency and effective measures. However, the use of herbicides in gardens is also prone to phytotoxicity. Therefore, the application of herbicides in garden nurseries is a highly technical work and the following points must be met.