当前,营造混交林的问题日益为林业管理、生产、科研、教育部门所重视。究其原因,是因为人民在改造大自然的长期实践中,认识到混交林比纯林的优越性多,主要是:混交林能形成一个协调的、稳定的森林生态系统,有利于促进生态平衡;混交林可以充分利用空间光 Currently, the issue of creating mixed forests is increasingly valued by forestry management, production, scientific research and education departments. The reason for this is that people realize the superiority of mixed forests over pure forests in the long-term practice of transforming nature. The main reasons are: mixed forests can form a harmonious and stable forest ecosystem, which is conducive to promoting ecological balance ; Mixed forest can make full use of space light