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A method for in situ soil improvement and tree planting in relocation site

A soil improvement and arbor technology, applied in the field of garden engineering, can solve problems such as environmental restoration and soil improvement difficulties, and achieve the effects of avoiding damage to farmland, increasing water retention time, and protecting land resources

Active Publication Date: 2022-02-22
SHANGHAI ACADEMY OF LANDSCAPE ARCHITECTURE SCI & PLANNING
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Problems solved by technology

[0003] Aiming at the above-mentioned technical problems in the prior art, the present invention provides a method for in-situ soil improvement and arbor planting at the relocation site. The method for in-situ soil improvement and arbor planting at the relocation site should solve the existing There are technical problems in the technology that are difficult to carry out environmental restoration, soil improvement and planting seedlings in industrial relocation sites

Method used

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  • A method for in situ soil improvement and tree planting in relocation site

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Embodiment 1

[0028] The invention provides a method for in situ soil improvement and arbor planting at the relocation site, comprising the following steps:

[0029] 1), present embodiment place selects Shanghai Sanlin wedge-shaped green space, and the dry diameter of the nursery stock used in the plot is 12cm, and according to the nursery stock specification, digs the trapezoidal tree hole that the diameter of the upper opening is 1.4m, the diameter of the lower opening is 1.2m, and 1m deep; The original soil is reserved;

[0030] 2) Continue to plow down 20cm, and at the same time, add broken construction waste with a particle size of less than 20cm and greater than 10cm and mix with the original soil evenly to form a large particle size permeable layer 1. The volume ratio of the construction waste to the original soil is 1 :10;

[0031] 3) On the large particle size seepage layer, lay construction waste with a height of 10 cm and a particle size of 5-10 cm mixed with the original soil t...

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Abstract

The invention discloses a method for in-situ soil improvement and arbor planting at a relocation site, which includes a step of digging a tree hole, and then using on-site construction waste and crushed stones to crush and screen, and lay a large-diameter permeable layer; the screened out Lay a small-particle permeable layer with a small particle size; then lay an adsorption layer; lay an original soil layer on the adsorption layer; lay a mud-resistant layer on the original soil layer; replant trees; backfill improved soil on the edge of the soil ball; According to local conditions, the present invention selects the common construction waste and gravel in the relocation place to lay the water seepage layer, and at the same time, lays the adsorption layer for the possible pollution in the relocation place. The construction process is simple, the cost is low, the effect is good, and it is easy to popularize.

Description

Technical field: [0001] The invention belongs to the field of landscape engineering and relates to a soil improvement and large tree transplanting technology, in particular to a method for in-situ soil improvement and arbor planting at a relocation site. Background technique: [0002] As my country enters the process of rapid urbanization, the rapid increase in urban population has brought about a sharp increase in the demand for residential, recreational, and commercial land types. As a result, changes in the urban functional layout have led to the relocation of industrial enterprises in the original urban-suburban combination zone, forming a large number of industrial wasteland. Due to the impact of long-term industrial production processes, this kind of land is polluted to varying degrees, and the pollution of the relocation site of chemical companies is more serious. In view of the safety of future land use, it is necessary to carry out environmental restoration of the in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02A01G17/00
CPCA01B79/005A01B79/02A01G17/005
Inventor 陈平梁晶张浪张青青何小丽徐冰伍海兵朱清
Owner SHANGHAI ACADEMY OF LANDSCAPE ARCHITECTURE SCI & PLANNING
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