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生土带防火线在防止森林火灾方面虽有些作用，但收效甚微。在生土带上栽种10～15m宽的耐火树种，形成生物防火林带，防火功能更好，而且经济效益显著。
Although there are some functions of preventing the forest fire, the firebreak line of the girdle has little effect. The planted 10 ~ 15m wide fire-resistant tree species on the earthen soil to form a biological fire-resistant forest belt with better fire prevention function and remarkable economic benefits.