盐碱地区速生优良新树种─—中山杉池杉和落羽杉在长江中、下游各省（市）及以南地区，广泛用于平原、丘陵造林和园林绿化。早期栽植的池杉或落羽杉，现已成林成材，有的已采伐利用，取得了较大的经济效益和较好的生态效益，并对缓解当地木材供需矛盾起了一定的作用。但这... Salt and alkali areas of new and excellent species of fast-growing ─ ─ Zhongshan cedar fir and Taxodiums in the middle and lower reaches of the Yangtze River provinces (cities) and south of the region, widely used in plains, hills afforestation and landscaping. Early planted Taxodiums or Taxodium distichum, timber has become a success, and some have been harvested, and achieved greater economic benefits and better ecological benefits, and to alleviate the contradiction between supply and demand of local timber has played a role. But this ...