我县一些主要杉树产区历来习惯采用插条的方法营造杉林。一九六六年,我县从贵州黎平引进贵州杉种,推广贵州良种杉实生苗造林。一九七四年四月底,对我县永宁公社的社队和林场于一九六六年用本地杉插条苗造的林、一九六七年用贵州 Some of the major cedar producing areas in our county have always been accustomed to using the cuttings to create the fir forest. In 1966, our county introduced Guizhou Cunninghamia species from Liping, Guizhou Province to promote afforestation of Guizhou Cunninghamia lanceolata seedlings. At the end of April 1974, the brigade and forestry farm at Yongning commune in our county were planted with native cedar spruce seedlings in 1966, Guizhou in 1967,