洞庭平原区,自六十年代末开始对杉木进行引种栽培,其结果初步表明,杉木在湖区生长良好。为进一步证明湖区适宜栽培杉木并能获得速生丰产,我局从1974年起对杉木进行了速生丰产栽培试验。 Dongting plain area, since the late 1960s, introduction and cultivation of Chinese fir, the results showed that the initial growth of fir in the Lake District. In order to further prove that the lake is suitable for planting Chinese fir and obtain fast-growing and high-yielding, our bureau conducted fast-growing and high-yield cultivation experiment on Chinese fir since 1974.