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苗木质量关系重大

网址:www.dzyangguang.com.cn  2022-06-08  作者:admin    阅读:

苗木质量关系重大,要注意选择枝条健壮、芽体饱满,无病虫害形、形态优美的苗木。另外,因用于补植,苗木规格应与周边苗木的规格相统一协调,补植的乔木,特别是行道树,分枝节的高度要统一,树形尽量丰满。
Seedling quality is of great importance. We should pay attention to the selection of seedlings with strong branches, full buds, no diseases and pests, and beautiful shape. In addition, because it is used for supplementary planting, the specifications of seedlings should be unified and coordinated with the specifications of surrounding seedlings. The height of branches and nodes of supplementary planted trees, especially street trees, should be unified, and the tree shape should be as plump as possible.
起挖
Excavation
树木起挖前一周浇一次透水,让其补足水分,以避免起苗后过早脱水。起挖苗木一般要带土球。土球直径一般应按胸径的8至10倍计算,落叶树种也可用露根苗,根系长度也为胸径的8至10倍。起挖时沿规定的根幅外圈垂直向下挖。起挖过程中,遇粗根时用手锯锯断,以免根部劈裂,尽量不伤根皮和须根,保留原土。
The trees shall be watered once a week before excavation to make up the water, so as to avoid premature dehydration after seedling emergence. When digging seedlings, it is generally necessary to bring soil balls. Generally, the diameter of soil ball shall be calculated as 8-10 times of DBH. Deciduous tree species can also use open root seedlings, and the root length is also 8-10 times of DBH. When excavating, dig vertically downward along the outer ring of the specified root width. In the process of excavation, in case of thick roots, cut them off with a hand saw to avoid root splitting, try not to damage the root skin and fibrous roots, and retain the original soil.

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