The correlation analysis between the density of Chinese fir stump-root and the tree height and base diameter ( BD) of its saplings proved that Chinese fir stump-root s had a negative impact on the growth of the next generation of Chinese fir plantations. 将田间调查的杉木树高、地径与根桩密度进行相关分析证明杉木根桩保留在造林地上,不利于下一代杉木的生长。