当前混交造林日益为林业生产、科研及教学部门所重视。我省自然条件多种多样,在建设以杉木为主的用材林基地的同时,应该根据不同的立地条件选择适宜的造林树种,进行多种形式的混交造林。所谓混交林就是由二种以上的树种组成 The current mixed afforestation is increasingly valued by forestry production, research and teaching departments. Natural conditions in our province varied, in the construction of fir-based timber base at the same time, should be based on different site conditions to select the appropriate afforestation species, multiple forms of mixed afforestation. The so-called mixed forest is composed of more than two species