Analysis on Afforestation Techniques of Picea asperata Mast.
Picea asperata is a unique tree species in China,with high cold and drought resistance properties and high application value.It is mainly used for afforestation in barren mountains,urban greening,water conservation and forest regeneration.Starting from the selection of afforestation sites and the composition and density of afforestation plants,the steps of spruce afforestation were introduced,including spruce seedling breeding and planting methods,and the methods of renewal afforestation were expounded,so as to provide reference for the utilization of spruce plants and environmental optimization.