混交林树种的选择解庆珂营造混交林是提高森林生产率的主要途径，也是改善森林环境，减少病虫害和火灾的措施之一。当前我国人工林中纯林多，混交林少，树种单一，病虫害严重，这个问题应引起高度重视。在营造混交林方面，存在着理论与实践分离的问题。理论上，所有的林业... Choosing a mixed tree species solution Qingke creating mixed forest is the main way to improve forest productivity, but also to improve the forest environment, reduce pests and fire one of the measures. At present, there are only more pure forests in mixed plantations in our country, fewer mixed forests, single tree species and serious pests and diseases. This issue should be given high priority. In the construction of mixed forest, there is a problem of separation of theory and practice. In theory, all forestry ...