一般而言,树木胸径是指主干在距地面1.3米处的直径,相当于成年人胸部的高度,它是测定林水材积及苗木种植规格的重要技术指标。近年来,有些地方喜欢栽种大规格苗木,引大树进城。不可否认,大树能在短时期内形成绿化景观.起到立竿见影的效果, In general, the DBH refers to the diameter of the trunk at a distance of 1.3 m from the ground, which is equivalent to the height of the adult’s chest. It is an important technical indicator for measuring the volume of forest water and planting specifications. In recent years, some places like planting large-size seedlings, cited trees into the city. Admittedly, trees can form a green landscape in a short period of time. Play an immediate effect,