营造速生用材林,是以集约经营,达到短期内收获合格的木材为目的。怎样才能使林木速生,除了每一树种各有其不同生长特性而外,人为的措施是很重要的。我们的工作就是要摸清树种特性和环境条件,掌握其生长规律,在造林实践中,人为地克服不利因素,加强有利因素,使林木快速生长,短 To create a fast-growing timber plantation is to operate intensively and achieve the goal of harvesting qualified timber in a short period of time. How to make trees grow fast, in addition to each tree species have their own different growth characteristics, the artificial measures are very important. Our job is to understand the characteristics of trees and environmental conditions, to grasp the law of their growth in afforestation practice, artificially overcome unfavorable factors, strengthen the favorable factors, so that the rapid growth of trees, short