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档案库房周围栽种什么树能有利地保护档案呢?我带着这个问题,走访了一些林业专家,查阅了有关树种及病虫害方面的资料,并进行一些实践,认为还是栽种樟树为最好。一、樟树的特征与特性。樟树,又名香樟,是我国珍贵树种之一。它为常绿乔木,高达50米,胸径3米;树皮幼时绿色,光滑,老时变为黄褐色或灰褐色,纵裂;树叶互生,卵形或椭圆形,离基三出羽状脉,脉液有腺体,叶薄革质;4—5月开花,圆锥花序液生,花小而呈淡黄绿色;10—11月
With this question, I visited some forestry experts, consulted with information on tree species and pests and diseases, carried out some practices and considered that it is best to grow camphor trees. First, the characteristics and characteristics of camphor tree. Camphor, also known as camphor, is one of our precious species. It is evergreen trees, up to 50 meters, diameter at breast height 3 meters; bark when young green, smooth, old to brown or tawny, longitudinal; leaves alternate, ovate or oval, base three pinnate , The veins have glands, leaves thinly leathery; April-May flowering, panicles liquid, flowers small and yellowish green; October-November