Tree Species Configuration for Afforestation of Small-and Medium-Diameter Bamboo Forests for Shoot Producing in Zhaotong City,Yunnan Province
Based on the review of research results on small and medium-diameter bamboo such as Chimonobambusa utilis and Ch.tumidissinoda,and in view of the actual situation in Zhaotong city,Yunnan province,this paper analyzes the characteristics of small-and medium-diameter bamboo forests for shoot producing and the role of trees in the forests,and summarizes the principles and methods of tree species configuration in the forest.Small-and medium-diameter bamboo forests have shallow bamboo rhizomes,and higher more tolerance to shade,so they can be often mixed with trees or shrubs.Planting trees in small-and medium-diameter bamboo forests has the functions of providing shade,increasing soil fertility,improving soil structure,enhancing community stability,and increasing bamboo forest biomass.The selection of tree species should follow the principles of fast growth,high value,long lifespan,deep root,preference for light,and deciduous trees dominance.The appropriate configuration should be determined based on the biological characteristics of the tree species,canopy density of the tree layer,and the consideration of the purpose and the level of forest management.A total of 19 tree species are recommended for afforestation of smalls and medium-diameter bamboo forests for shoot producing in Zhaotong city,with a suitable planting density of 5-42 trees/667 m2.
small-and medium-sized bamboo forests for shoot producingtreemixed forestplanting densityZhaotong city,Yunnan province