啄木鸟是清除害虫的,但啄木鸟啄出的虫子越多,被蛀空的树洞也越多;虫子长出后,用啄木鸟除之,其实是无奈的选择,而从土壤、气候着眼,保持大树健康生长的环境,使虫子不能生存、不能生长则是最佳的选择。 Woodpecker is to clear the pests, but the peck woodpeckers peck out the more insects, the more eaten tree holes; insects grow, with the exception of woodpeckers, in fact, helpless choice, but from the soil, climate, maintain large Tree healthy growth environment, insects can not survive, can not grow is the best choice.