湿地松、火炬松是亚热带速生树种。木材材质优良,干型好,可以采割松脂,产脂量比马尾松高,我国南方早在三十年代就开始引种,现已有10个省区栽植,并已开始用材和采脂。一九七四、一九七五年我省较大的引种湿地松、火炬松(群众称国外松)。引种地理范围从北纬28度到31度,分布在省内16个地(市)近40个引种点。遵照毛主席关于“一切经过试验”的教导,在各级党委领导下,各点由领导、工人、技术人员组成三结 Slash pine, loblolly pine is a subtropical fast-growing tree species. Wood material is good, dry good, you can cut loose fat, fat production than the Masson pine, southern China began as early as the thirties introduction, now 10 provinces planted, and has begun to timber and grease. In 1974, 1975, the province introduced a larger pine, loblolly pine (the masses said the foreign pine). Geographical range of introduction from 28 degrees north latitude to 31 degrees, distributed in the province of 16 (cities) nearly 40 introductory points. In accordance with Chairman Mao’s teachings on “all tests,” under the leadership of party committees at all levels, the three knots formed by leaders, workers and technicians