广东省乐昌九峯56年以来共育杉苗39亩多,产量达881万株,合格苗平均达到75%以上,单位面积产量达22.7万株,而且苗木生长迅速和健壮,平均8—10个月便可达上山苗的标准。其主要技术经验是过好“三关”做到“一早”。“三关”即种子质量关,圃地选择整地关和抚育管理关。“一早”即提早季节播种。(一)种子质量:种子的纯度、发芽率和发芽 56 years since the establishment of Jichang, Lechang, Guangdong, a total area of ​​more than 39 acres of fir seedlings, the output reached 8.81 million, an average of more than 75% qualified seedlings, yield of 227,000 units per unit area, and the rapid growth of seedlings and robust, with an average of 8-10 Month up to the standard Miao Shan Miao. Its main technical experience is too good “three off ” to do “early morning ”. “Three off ” that is, the quality of seed, garden land selection and tending off management. Early morning sowing. (A) the quality of seeds: seed purity, germination and germination