Planting method for transplanted big trees in arid areas

Abstract

The invention relates to a planting method for transplanted big trees in arid areas. The planting method comprises the following steps: digging a planting pit at a natural soil layer, and after the planting pit is dug, spraying a layer of a liquid soil curing agent at the bottom and the inner wall of the planting pit by utilizing a high-pressure spray gun to form a curing layer with a thickness of 5-10cm, wherein the curing layer is a soil salt-return inhibiting structural layer which prevents salts from migrating upward; covering the bottom of the planting pit with improved backfill soil with a thickness of 10-20cm, then putting a soil ball at the bottom of the big tree to the planting pit, and backfilling and covering the planting pit by utilizing improved backfill soil; and covering the surface layer of the planting pit with a layer of a geotextile and spreading rubble for fixation, and then conducting conventional maintenance. Compared with a conventional planting method for transplanted big trees, the planting method provided in the invention has remarkable improvement on soil fertility, the soil moisture content is improved by 10%, water is kept, and salt return is reduced at the same time, the transplanted big trees quickly recover vigor, and maintenance costs after the big trees are transplanted are reduced.

Description

technical field [0001] The invention relates to a seedling planting method, in particular to a planting method for transplanting large trees in arid areas. Background technique [0002] With the continuous acceleration of the urbanization process, in order to build urban landscaping landscapes in a short period of time, it is often necessary to transplant large trees. The transplanting of large trees can achieve greening effect and play an ecological function in a short period of time, and plays an important role in improving the urban landscape. Large tree transplanting refers to the transplanting of deciduous trees with a diameter at breast height of more than 20 cm and evergreen trees with a diameter at breast height of more than 15 cm. [0003] Transplanting large trees in arid areas is an important way to improve the soil in arid areas and improve the local ecological environment. However, due to the dry climate in arid areas, low rainfall, large evaporation and other...

AI Technical Summary

Problems solved by technology

Among them, laying plastic film in the planting hole can effectively trap water near the root system, which is convenient for plants to absorb water, and at the same time prevents rainwater from infiltrating rapidly and improves soil moisture conservation. However, there are the following disadvantages: First, when rainfall is large, rainwater will A large amount of accumulation near the root system affects the air permeability of the soil and is not conducive to the respiration of the root system. In severe cases, root retting will occur; second, as the root system grows, the plastic film is not conducive to the downward rooting of the root system and the absorption of nutrients; the third is that the plastic film is generally not easy Degradation, long-term residue in the soil will affect the soil structure

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