Side slope vegetation recovery method applicable to construction in spring and summer

Abstract

The invention discloses a side slope vegetation recovery method applicable to construction in spring and summer. The method comprises the following steps of 1 arranging a slope surface, 2 hanging a net, 3 reinforcing an anchor nail, 4 erecting a vegetation plate, 5 spraying a base material and 6 spraying a seed layer, wherein plant seeds to be sprayed are a mixture of pioneer seeds, edificator andground covers. Seed germination rate experiments show that when the germination rates of the three sets of seeds are not lower than 80%, 20-100 g of pioneer seeds, 20-60 g of edificator and 10-30 g of ground covers are mixed per square meter, the pioneer seeds are one or more of smartweed, violet and digitalis, the edificator is one or more of thus javanica L., chrysanthemum flowers, cassia toraand Magnolia multiflora, and the ground covers are one or more of bluegrass, Tiflawn, Formosan grass, Bermuda grass, Eremochloa ophiuroides, Stenotaphrum helferi and buffalo grass; the ground is covered with a non-woven fabric. An existing technological process is not changed, on the premise that no construction cost is increased, the better side slope recovery effect is obtained, and rapid formation and sustainable development of target colonies are promoted.

Description

technical field [0001] The invention relates to a slope vegetation restoration method suitable for construction in spring and summer. Background technique [0002] During the construction of the expressway, the mountain body was excavated, and a large number of exposed high and steep slopes were formed along the temporary sidewalk of the wind farm. These slopes have the following characteristics: [0003] (1) The slope is steep, and it is not suitable for people to plant on the slope. The slope of most slopes is i>1:1, some even reach i=1:0.75, some reach i=1:0.5 or more. On this kind of steep slope, people can hardly stand stably, it is not suitable for planting operations on the slope, and the planting of plants is also unstable, and it is difficult to restore vegetation on high and steep slopes. [0004] (2) The soil layer on the slope is thin, so it is not suitable to plant plants directly on the slope. The formation of a stable steep slope requires high compactne...

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Problems solved by technology

On this kind of steep slope, people can hardly stand stably, it is not suitable for planting operations on the slope, and the planting of plants is also unstable, and it is difficult to restore vegetation on high and steep slopes

[0004] (2) The soil layer on the slope is thin, so it is not suitable for planting plants directly on the slope

The formation of a stable steep slope requires high compactness of the soil on the slope, but operations such as excavating planting holes and covering soil when planting plants on the slope seriously damage the compactness of the slope soil and make the slope unstable.

[0005] (3) The vegetation restoration project on high and steep slopes has almost no maintenance and management conditions in the later stage

[0006] Based on the above reasons, the commonly used technical measure for vegetation restoration on high and steep slopes is the thick substrate spraying method, but in this process, the key is to choose the plant seeds according to the rules, and only after the plant seeds are selected can they be more targeted. According to the existing established selection method, it is based on the target plant community, that is to say, the type of plant seeds is selected based on the type and distribution results of the hoped-for slope vegetation. However, after construction in this way, the ideal plant community cannot be formed for a long time, resulting in poor vegetation recovery on the slope. Moreover, after the construction, there is no plant cover for a long time, and the rain washes away after the rainfall. The destabilization of the bare slope is caused, the seeds are washed away by the rain, and it is impossible to achieve the ideal slope vegetation restoration effect in the later stage

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