益阳地区林业部门,从一九七三年以来,先后在南县、沅江、益阳等县的平湖区和国营大通湖、北洲子,金盆、茶盘洲、千山红等五个农场共推广水杉造林达3000万株。经过间伐和更新后,现在还保存2074万株,其中成片林900万株, The forestry department of Yiyang Prefecture has been promoting a total of five farms in Pinghu District in counties of Nan County, Yuanjiang and Yiyang and state-owned Chase Lake, Beizhouzhou, Jinpen, Chapanzhou and Qianshanhong since 1973 Metasequoia afforestation reached 30 million. After thinning and updating, 20.74 million are still preserved, of which 9 million have become pieces of forest,