Vegetation protection and recovery technology for plateau high-cold steppe area

A technology, high-cold technology, applied in the field of vegetation protection and restoration construction of highway and railway engineering projects, which can solve the problems of slow increase of vegetation coverage and poor restoration effect.

Inactive Publication Date: 2011-04-27
CHINA RAILWAY 16TH BUREAU GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After overwintering and summering in the plateau alpine grassland area of ​​my country, the vegetation coverage increases slowly, and the recovery effect is poor
The Erga Highway and the Chaimu Railway Project are located in the plateau alpine grassland area. There is no precedent at home and abroad for th...

Method used

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Embodiment Construction

[0005] 1. Species selection technology and establishment selection technology

[0006] In the semi-arid, humid and semi-humid plateau alpine grasslands, the surface soil is severely disturbed, although there are many other plant seeds in the surrounding environment that can reach the road area through wind, insect, animal, rain and human activities. , but generally will not germinate and grow smoothly, and the natural recovery process of vegetation is slow. It is necessary to develop planting techniques from two aspects: selecting suitable plant combinations and improving plant growth environment (mainly soil environment). The present invention adopts the plant combination technology combining herbaceous plants and woody plants, and through the two vegetation restoration construction techniques of turf transplantation and grass seed planting, the two techniques are used together in the vegetation protection and ecological restoration construction in the plateau alpine grasslan...

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Abstract

The invention relates to a vegetation protection and recovery technology for a plateau high-cold steppe area, which comprises a turf and grass seed selecting technology and a planting technology. The invention is characterized in that the planting technology adopts superior grass for vegetation recovery in an off-line project, adopts grass that livestock dislike to graze for roadbed protection and vegetation recovery, and adopts two construction technologies of turf transplantation and grass seed planting as frozen soil protecting measures. In the invention, species and planting technologies can be selected for different road area environments, the survival rate of plants at the early stage is improved, the capacities of living through the summer and winter are enhanced, the species diversity is increased, the recovery progress of vegetation at the early stage is accelerated, the operation is simple, and the working efficiency is high. The invention has the beneficial effects that a temporary steel protecting cylinder pulling technology with a steel pipe column ensures accurate positioning of a middle column, and the cost is reduced by turnover and reuse of the steel protecting cylinder.

Description

technical field [0001] The invention belongs to the field of civil engineering, and in particular relates to vegetation protection and restoration construction technology for highway and railway engineering projects in plateau alpine grassland areas. Background technique [0002] At present, Russia, the United States, Canada, Norway, Denmark and other countries only adopt transplanting, planting, cultivation, sowing and spraying techniques for environmental protection projects such as new ground vegetation protection and restoration in alpine regions. After overwintering and oversummering in the plateau alpine grassland area of ​​my country, the vegetation coverage increases slowly, and the recovery effect is poor. The Erga Highway and the Chaimu Railway Project are located in the plateau alpine grassland area. There is no precedent at home and abroad for the comprehensive supporting construction technology of road and railway engineering vegetation protection and restoratio...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 张军刘国玉徐存良马栋陈丽敏
Owner CHINA RAILWAY 16TH BUREAU GRP CO LTD
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