In this paper, the biomass and productivity of a 16-year-old Metasequoia glyphotrobodes stand have been studied. The results show that after the stand was tended and thinned twice,the existing density of the stand is 1 300 tree/hm2,the productivity of the stand is 9. 87 t/hm2 ·a. The M. glyphotrododes trees in this forest farm grow very well,having fine ...