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Method of vegetation restoration of red soil eroded degraded site

A technique of vegetation restoration and red soil, applied in the fields of site preparation methods, botanical equipment and methods, gardening, etc., can solve problems such as low soil organic matter content, difficult vegetation restoration, and sparse mountain vegetation, so as to accelerate plant growth, promote vegetation restoration, The effect of retaining water and soil

Inactive Publication Date: 2013-05-01
WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] The invention mainly solves the problems of serious water and soil loss, sparse mountain vegetation, low soil organic matter content and difficult vegetation recovery in red soil erosion areas in southern China.

Method used

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Experimental program
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Embodiment 1

[0031] A kind of method for the vegetation recovery of red soil erosion degraded site, its steps are:

[0032] 1. Screening of plant varieties:

[0033] 1) Species selection: Investigate the distribution and characteristics of miscanthus across the country, and collect some miscanthus at the same time. Planting and breeding in Hubei, planting 1 Miscanthus per square meter, crossing Miscanthus (M.sinensis) with good growth and M.sacchariflorus during the growth of Miscanthus, and selecting Miscanthus with good growth in Hetian, Changting County, Fujian Province Different patterns of planting were carried out on different red soil erosion sites in the town. The growth height, leaf-to-stem ratio, biomass, sugar conversion and other physiological characteristics of Miscanthus were monitored in the middle, and the growth status of Miscanthus was evaluated.

[0034] 2) Variety screening: mainly consider four aspects ① Plants should have the characteristics of adapting to the growt...

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Abstract

The invention discloses a method of vegetation restoration of a red soil eroded degraded site, which comprises: firstly screening plant varieties, including comprehensive analysis on restoration vegetation species and planting modes of different red soil eroded sites in south China and screening red soil restoration species of different granite red soil eroded sites, secondly constructing planting modes, including a water conservation grass planting mode which is a mixed mode of arbor shrub grasses in the extremely highly red soil eroded site, a near-nature reforming mode of runtish pine trees in the highly red soil eroded site, and a grass mulching mode of economic forest in the slightly red soil eroded site, and thirdly monitoring and estimating growth condition and water-soil conservation of constructed vegetational communities. The method is feasible and simple in operation, improves the eroded degraded red soil, reduces water and soil loss, enhances the water conservation function, improves the suitability of the red soil to plant growth, highly efficiently restores vegetation in the degraded red soil area, and promotes quick restoration of the vegetation.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration engineering, and more specifically relates to a method for restoring vegetation in red soil erosion and degraded sites, in particular, by screening red soil restoration varieties suitable for different red soil erosion sites and constructing reasonable planting patterns to improve erosion and degradation soils, To prevent soil erosion and facilitate vegetation restoration. Background technique [0002] The area of ​​mountains and hills in the subtropical red soil area in southern my country accounts for a large proportion, with many slopes and steep slopes, and the potential risk of soil erosion is very high. source of rainfall erosion. The subtropical red soil itself has low organic matter content, fast transformation speed, poor quality of soil humus, small molecular weight of soil humus, simple structure, acidic reaction of soil, and low soil nutrient storage and supply capacity,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02A01G1/00
CPCY02P60/20
Inventor 程晓莉王伟波窦晓琳张全发
Owner WUHAN BOTANICAL GARDEN CHINESE ACAD OF SCI
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