六十年代初,我省少数国营林场开始营造试验性的混交林。七十年代以后,面积有了扩大,混交树种也增多。以杉木为主的混交林树种有檫树、樟树、紫树、木荷、泡桐、南酸枣、苦楝、枳梖、黄柏、杜仲、楠木、拟赤杨、黑荆树、鹅掌楸、火力楠、油桐、漆树、毛竹、山苍子、南岭黄檀等;以马尾松为主的混交林树种有木荷、麻栎、小叶栎、火力楠、胡枝子等。混合林的形成有 In the early 1960s, a few state-owned forest farms in our province started to create experimental mixed forests. After the seventies, the area has been expanded, mixed tree species also increased. Cunninghamia lanceolata, camphor tree, purple tree, Schima superba, Paulownia, southern jujube, neem, Hovenia dulcis Thunb, Eucommia ulmoides, Phoebe, Alder, black wattle, Liriodendron, Fire Nan , Tung tree, sumac, bamboo, Litsea cubeba, Nanling Dalbergia, etc .; to Pinus massoniana mixed tree species are Schima superba, Quercus, Quercus glaucae, fire Nan, Lespedeza and so on. The formation of mixed forest there