云南松适应性强、对土壤,气候等条件要求不高.在我省分布最广、蓄积量最大,既是我省荒山造林的先锋树种,也是我省的主要用材树种。我省森工企业自从开始采伐至今,一直都是以云南松为主要采伐对象的。云南松有地盘松、扭松两个低劣类型,这两种松树生长稀疏、树冠低矮、受光强、结实量多,采 Yunnan pine adaptability, the soil, climate and other conditions less demanding in our province the most widely distributed, the largest volume, both the pioneers of afforestation in the province of barren hills, but also the main timber species in our province. Since the start of logging in our province, the forestry enterprises have always been using Yunnan pine as the main harvesting target. Pinus yunnanensis has loose, twisted loose two types of poor, these two kinds of pine sparse growth, low crown, by the light intensity, the amount of fruit and more mining