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马尾松是我国南方红壤丘陵山地造林的先锋树种.但是种植马尾松纯林,常常发生松毛虫的大片危害,严重影响林木的生长,大大降低了木材的产量和质量.同时马尾松落下的松针难腐烂分解,因此,马尾松纯林的生长对于改良土壤和涵养水源的能力都很低.为了解决以上的矛盾,为国家提供更多的优质木材,在立地环境中等的红壤丘陵地区,大力营造马尾松和阔叶树混交林,并在地力不断得到改善的情况下,逐步以优良的阔叶树来代替马尾松,是我国南方红壤丘陵地区造林事业上的一个方向.
Pinus massoniana is a pioneer tree species afforestation in the red soil hilly region of southern China.However, planting Pinus massoniana pure forest, often dendrite damage, seriously affecting the growth of trees, greatly reducing the timber yield and quality.At the same time pine needle pine needles falling hard Therefore, the growth of Pinus massoniana pure forest is very poor for soil improvement and water conservation.In order to solve the above contradictions, it provides more high-quality timber to the country and vigorously builds the horsetail Pine and broad-leaved mixed forest, and with the continuous improvement of soil conditions, the gradual replacement of masson pine with excellent broad-leaved trees is a direction in the afforestation of red soil hilly areas in southern China.