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大树是指胸径15厘米以上的常绿乔木或胸径20厘米以上的落叶乔木。移栽期间的乔木多数正处于树木生长发育的旺盛期,这时的适应性和再生能力都较强。大树能移植成活,便能在最短的时间内改变当地环境的自然面貌,充分发挥绿色景观效果,这对新兴工业园区建设尤为重要。一、移植技术移植前准备。在大树移植前必须掌握以下几点:一是树种、树龄、定植时间、移植后的养护管理情况、其生长情况、根系生长情况及病虫害防治情况等。二是树木对周围环境的适应情
Tree refers to evergreen trees with a diameter above 15 cm or deciduous trees with a diameter above 20 cm. Most trees during transplanting are in the vigorous growth and development of trees, when the adaptability and regeneration ability are strong. Tree can be transplanted to survive, we can in the shortest possible time to change the natural landscape of the local environment, give full play to green landscape effect, which is particularly important for the construction of new industrial parks. First, transplant technology Preparation before transplantation. Before transplanting large trees, we must grasp the following points: First, tree species, tree age, planting time, conservation and management after transplantation, its growth, root growth and pest and disease control and so on. Second, trees adapt to the surrounding environment