雪松,是一种珍贵的观赏树种,引进我国已有64年的历史,在全国十六个省、市、自治区的三十多个大、中城市都有种植。雪松结实晚,种子来之不易,育苗难度较大。为了探索高产壮苗经验,1984年我们进行了育苗试验。当年苗高18—20厘米,地径0.3—0.4厘米,亩产7000多株。主要技术措施 Cedar, is a precious ornamental species, the introduction of our country has 64 years of history, in the country’s 16 provinces, municipalities and autonomous regions in more than 30 large and medium-sized cities have planted. Cedar sturdy late, the seeds hard-earned, nursery difficulty more. In order to explore high-yielding strong seedling experience, we conducted a nursery test in 1984. 18-20 cm in height that year, diameter 0.3-0.4 cm, more than 7000 strains per mu. The main technical measures