孟滦林场每年有近4000亩的造林任务和3000亩的三项作业任务。为提高造林成活率和保存率及幼林抚育水平,该场坚持将科技应用于生产,改进抚育措施取得了明显的效果。 1996年该场对造林苗木采用ABT生根粉浸根技术,效果非常明显。在总结经验的基础上,1997年全面推广此项科技。通过跟踪调查,用ABT生根粉浸根的苗木,栽植后 Mengluuan forest farm each year nearly 4000 acres of afforestation tasks and 3000 acres of the three tasks. In order to improve the survival rate and preservation rate of afforestation and the level of young forest raising, the field has made remarkable achievements in applying science and technology to production and improving tending measures. In 1996 the field of seedlings using ABT rooting powder soaked root technology, the effect is very obvious. Based on the experience gained, this technology was fully promoted in 1997. Through the follow-up survey, rooting seedlings with ABT rooting powder after planting