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杉木是我国的特有用材树种,已有1600多年的栽培历史,生长快、材质好、易加工,被群众誉为“万能之木”。是我国南部16个省、区群众最喜爱的树木,成为致富的当家树种。目前栽培面积已达3亿亩。在土壤深厚、质地疏松、富有有机质的湿润排水良好的酸性(PH4.5～6)土壤上造林10年就可利用。历史上一些地方人们习惯于插条造林,但后来逐渐地用种子造林的比例不断提高,目前绝大多数地方都使用种子造林。实际上,杉木种
Cunninghamia lanceolata is a kind of special timber species in our country. It has been cultivated for more than 1,600 years. It grows fast, has good materials and is easy to be processed. It is praised by the masses as the “universal wood”. Is the favorite tree in the 16 provinces and autonomous regions in the southern part of our country and has become a popular tree species for prosperity. The current cultivation area has reached 300 million mu. In the soil is deep, loose texture, rich organic matter of the wet well drained acid (PH4.5 ~ 6) soil afforestation for 10 years can be used. In some parts of history, people used to cutting cuttings. However, the proportion of seed reforestation gradually increased. At present, most places use seed reforestation. In fact, fir species