湖北林业科技

Abstracts:We carried out the investigation on the plantation of Camptotheca acuminata in Guihua Forest Farm in Chongyang County of Hubei Province,from which we selected 30 standard trees,and then analyzed their the stem.Through aralyzing growth increment and rate of the diameter at breast height, tree height and volume of C. acuminata，their growth rhythm were studied．The results showed that C. acuminata grew fast in 10 years and kept in a state of steady growth in the middle 10 to 15 years and grew slowly after 15 years．