大树移植的方法及技巧请求定论(国外英文资料).doc

大树移植的方法及技术要求定论(国外英文资料) The methods and techniques of tree transplantation are determined Lu jian: assistant engineer of the garden: qu jing kirin 201301016 With the increase of the green level of the city and the accelerating pace of the green construction, it is required that the landscaping be short and quick. To this end, the proper transplanting tree, the formation of the green space skeleton has become an important means to accelerate the afforestation and beautification of the city. However, many regional trees are now planted in the wind, causing the bad consequences of destroying the original habitat of the tree. In addition, due to the unreasonable use of long-distance transportation and mining methods, large Numbers of tree deaths have been caused and the ecological resources have been seriously damaged, which should not be advocated. Therefore, it is unfavorable to overplant the tree in the landscaping project. The concept of tree transplantation Definition of the tree According to the rules and regulations of botanical garden afforestation construction lO ~ 20 cm diameter at breast height and base diameter known as the large size of nursery stock, deciduous tree diameter at breast height is greater than 20 cm, evergreen tree diameter at breast height, base diameter) for more than 15 cm is called a tree. The origin and growth of the tree, From the urban green space Trees are rarely cultivated from garden nurseries, most of which are trees that need to be adjusted in landscaping projects for decades. Most of these seedlings were cultivated by nurseries, and after many transplants, the roots were more developed and the survival rate was high. Planting matrix soil is good, easy to excavate soil ball or box plank seedling platform. In general, the difficulty of transplanting a large tree is smaller and the survival rate is higher. It comes from the country mountain forest Now there is a demand for big trees everywhere, so in the countryside, for decades, tre