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A kind of afforestation method suitable for urban afforestation in northern China

A technology for urban greening and soil improvement, which is applied in the fields of site preparation, botanical equipment and methods, gardening, etc., can solve the problems of reducing green area and function, poor drainage effect, poor soil permeability, etc., and achieve the expansion of green area, Good surface coverage and air quality improvement

Active Publication Date: 2018-05-15
五河县杰硕种养殖专业合作社
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AI Technical Summary

Problems solved by technology

In the park greening, the green forest area accounts for an average of 50-60% of the whole park's green area, which not only reduces the green area and function in disguise, but also produces serious surface dust.
The main reason for this phenomenon is that the surface of the green forest has strong shading, many roots of trees have a strong ability to compete for nutrients, poor soil permeability, poor drainage, and the plants planted under the forest are not shade-tolerant. exposed forest subsurface soil

Method used

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Embodiment 1

[0036] Embodiment 1 A kind of method that is suitable for afforestation under forest of urban afforestation in northern area

[0037] The method includes the following steps

[0038] (1) Greening method under trees

[0039] 1. Classification: Trees are divided into two categories according to the diameter at breast height: small trees with diameter at breast height < 20 cm, and large trees with diameter at breast height ≥ 20 cm.

[0040] 2. Soil improvement under the tree: The big tree takes the trunk at the base as the center of the circle, and extends outwards within a radius of 0.6-0.8m as the soil improvement area for the big tree. Sand is first spread in the soil improvement area for the big tree, with a thickness of 4-6cm, and then artificially used Mix the sand with the soil 9-11cm below the surface layer with the pickaxe; the small tree takes the trunk at the base as the center of a circle, and extends outward a radius of 1.0-1.2m as the soil improvement area for the ...

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Abstract

The invention relates to a greening method suitable for a greening forest of a northern city. According to the technical scheme, (1) a method for greening under trees comprises soil improvement, graveling, building of enclosing walls, earth filling, watering, settlement, earth supplementation and planting and management of fragrant plantain lily herbs; (2) a method for greening among trees comprises construction of water storage layers, modeling around the trees, soil improvement, planting and management of potentilla centigrana for slopes around the trees and planting and management of mixed ground cover plants of festuca rubra and sedum sarmentosum bunge among tree slopes. According to the method, the exposed earth surface of the greening forest is covered with green plants by virtue of special technical measures according to a multilayer greening mode under the condition that an urban planned greening area is kept unchanged, so that the greening area is enlarged, raising dust on the exposed earth surface is prevented, and the air quality is improved.

Description

technical field [0001] The invention relates to a greening technology for bare ground under urban greening forests, in particular to a greening method suitable for long-term bare ground under urban greening forests in northern regions. The method can not only effectively increase the urban greening area, improve the quality of the green space, but also avoid the dust pollution caused by the bare forest land. Background technique [0002] At present, the problem of air pollution in our country is very serious, especially with the increase of industrial waste gas, vehicle exhaust, dust and other tiny particles that can be inhaled into the human body, the phenomenon of smog occurs from time to time, which has a serious impact on human health. Both developed and developing countries attach great importance to the control of environmental pollution. my country is taking various measures to control air pollution. [0003] It is one of effective measures to control and improve ai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/60A01G17/00A01B79/00A01B79/02
CPCA01B79/00A01B79/02A01G17/005A01G22/00
Inventor 王杰张丽梅陈忠林关伟朱红华张雨张利红孟伟曲洋
Owner 五河县杰硕种养殖专业合作社
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