Afforestation and ecological remediation method for saline and alkaline land on muddy coast

A technology for ecological restoration and saline-alkali land, applied in the fields of agronomy and ecological engineering, can solve problems such as poor visual effect of landscape, waste of natural resources, environmental pollution, etc., to achieve good ecological landscape effect and reduce wind speed.

Inactive Publication Date: 2019-04-26
RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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Problems solved by technology

Large areas of exposed mud flats not only cause waste of natural resources, but al

Method used

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Embodiment 1

[0017] Example 1: A method for afforestation and ecological restoration of saline-alkali land on muddy coast

[0018] 1) First carry out site improvement, specifically physical improvement, chemical improvement and biological improvement, among which, A) physical improvement: weeding and site preparation, turning the cleaned weeds into the bottom layer as a barrier layer to prevent salt return; reasonable layout of ditches and filling of depressions Raise the ground, lower the groundwater level, wash and discharge salt, and quickly reduce the salt content of the soil. The specific operation positions: ①Ditching design: every 100 meters is a standard section, and a drainage ditch is set every 5 meters in the horizontal direction, with a specification of 40× 30cm; open a vertical drainage ditch every 50 meters, with a size of 80×60cm; ②Terrain treatment: level the land according to the actual terrain, use the earthwork of the ditch to shape each planting site into a turtle-back s...

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Abstract

The invention discloses an afforestation and ecological remediation method for a saline and alkaline land on a muddy coast and belongs to the technical fields of agriculture and ecological engineering. The afforestation and ecological remediation method comprises the following process steps: 1) on-site improvement; 2) tree species selection; 3) forest planting; and 4) nursing management. The afforestation and ecological remediation method for the saline and alkaline land on the muddy coast is reasonable in design; when the method is used for afforestation and ecological remediation for the saline and alkaline land on the muddy coast, the soil can be effectively improved, and the salt content of the soil can be reduced; due to the action of the vegetation cover rate, the community structureand species diversity of native herbaceous plants on the saline and alkaline land on the muddy coast are effectively changed, and native plants in a research area are promoted to enter a new succession progress; and the afforestation and ecological remediation method is beneficial to maintenance of biological diversity, improvement on ecological functions such as water and soil retention and water source conservation and promotion of construction of coastal beautiful scenery lines.

Description

technical field [0001] The invention belongs to the technical field of agronomy and ecological engineering, and in particular relates to a method for afforestation and ecological restoration of saline-alkali land on muddy coast. Background technique [0002] my country has a continental coastline of more than 18,000 kilometers, of which muddy coasts account for about 48.5%. Mud flat areas are greatly affected by typhoons, storm surges, etc. The soil has high salinity, insufficient fresh water, and few suitable tree species. Therefore, it is a difficult point for vegetation construction and afforestation all over the world. Large areas of exposed mud flats not only cause a waste of natural resources, but also cause poor visual effects and frequent environmental pollution. When other conditions are uncontrollable, afforestation and ecological restoration of saline-alkali land by selecting suitable plant materials can help improve the ecological environment, build a beautiful ...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G17/00A01G20/00
CPCA01B79/02A01G17/005A01G20/00Y02P60/40Y02A40/22
Inventor 张建锋吴统贵单奇华孙士咏陈光才汪庆兵王荣嘉
Owner RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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