林木人工抚育是一项繁重的工作 ,不仅劳动强度大 ,而且费工费时 ,有时还会由于除草不及时 ,严重影响林木生长。使用化学抚育则可以解决人工抚育中的不足 ,使林木抚育达到高效、省工、及时 ,对提高森林经营水平 ,保护森林资源 ,改善生态环境起着重要的作用。广西六万林场自 1987 Tree artificial tending is a heavy work, not only labor-intensive, but also time-consuming work, and sometimes due to weeding is not timely, seriously affecting the growth of trees. The use of chemical tending can solve the problem of artificial tending, and make the tending of forest trees efficient, labor-saving and timely, which play an important role in raising forest management level, protecting forest resources and improving ecological environment. Guangxi Liuwan Forest Farm since 1987