带岭林业实验局自从1951年开始人工更新以来,共完成更新面积11,000多公顷,其中红松造林面积占53％,到目前为止,红松林尚未大面积郁闭成林。为了更好地摸出红松更新技术和生长发育规律,根据领导指示精神,我局于1964年冬初从经营处和永翠、大青川、寒月等经营所抽调一些技术人员组成了“关于红松更新技术调查研究组”(简称调查组)。 Since the establishment of Manchurian Forestry Bureau in 1951, a total area of ​​more than 11,000 hectares has been renewed, of which pine forest has been afforested for 53% of the total area. So far, there is not yet a large area of ​​karst forest in the karst forest. In order to better understand the Korean pine regeneration technology and the law of growth and development, according to the spirit of the directives, in early winter 1964, our bureau from the management office and Yong Tsui, Daqing Chuan, Han Yue and other operations by the deployment of some of the technical staff composed of “ Loose update technology research group ”(referred to as the investigation group).