论文部分内容阅读
杉木是我国特有的优良用材树种,具有生长快,材质好,用途广,抗病虫等特点。据记载我国栽培杉木的地区达16省(区),木材年产量约占全国木材总产量的四分之一,在国民经济建设中起着极其重大的作用。我省杉木栽培有着悠久的历史.但栽培范围长期以来局限于安康、汉中两地区及商洛地区南部。近几年来,我们在长安南五台引种杉木已获成功。1960年播种,1962年定植的15年生大树已连续结果5年,用自产种子育成苗木,新造幼林生长良好。
Cunninghamia lanceolata is a kind of excellent timber species that is unique to our country. It has such characteristics as fast growth, good material, wide use, resistance to pests and diseases. It has been recorded that 16 areas (districts) of cultivated fir in our country account for about one-fourth of the total output of timber in the country and play an extremely important role in the national economic construction. Cultivated fir has a long history in our province, but the cultivation range has long been confined to Ankang, Hanzhong and Shangluo regions. In recent years, we have succeeded in introducing Chinese fir plant in Chang’an South. Planted in 1960, the 15-year-old tree planted in 1962 has a continuous result of 5 years, with self-grown seedlings nursery stock, new growth of young forest good.