CN114080968A - Plant restoration method for severe slope of soil engineering wound surface in alpine region - Google Patents
Plant restoration method for severe slope of soil engineering wound surface in alpine region Download PDFInfo
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- CN114080968A CN114080968A CN202111197475.0A CN202111197475A CN114080968A CN 114080968 A CN114080968 A CN 114080968A CN 202111197475 A CN202111197475 A CN 202111197475A CN 114080968 A CN114080968 A CN 114080968A
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- soil
- engineering
- wound surface
- planting
- plant
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- 239000002689 soil Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 40
- 235000015097 nutrients Nutrition 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 238000010899 nucleation Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 12
- 238000010276 construction Methods 0.000 description 10
- 241000219823 Medicago Species 0.000 description 9
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 description 9
- 238000011835 investigation Methods 0.000 description 6
- 241000894007 species Species 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 241001272720 Medialuna californiensis Species 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/40—Fabaceae, e.g. beans or peas
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
Abstract
The invention discloses a plant restoration method for a steep slope of a soil engineering wound surface in a alpine region. The existing technology for repairing the soil steep slope is weak, and if the form of slope protection is selected unreasonably or is not implemented in place, serious natural and geological disasters such as water and soil loss, collapse and the like can be caused. The invention firstly trims the engineering wound surface and then digs out the planting hole; mixing water, nutrient soil and seeds and filling the planting holes; and after the plant seeds germinate, carrying out manual maintenance management on the repair area. The invention adopts the plant restoration method to restore the steep slope of the engineering wound surface of the soil texture in the alpine region, thereby reducing the engineering cost, and the vegetation coverage rate and species abundance of the engineering wound surface in the third year after restoration are basically consistent with the method for restoring the hanging net spray-seeding ecological slope protection.
Description
Technical Field
The invention belongs to the technical field of ecological restoration in alpine regions, and particularly relates to a plant restoration method for a steep slope of a soil engineering wound surface in alpine regions.
Background
The engineering wound surface is a wound surface which is generated on the earth surface along with various engineering measures implemented by human in production and life and destroys the original natural environment; the engineering wound ecological restoration is an engineering task with double meanings of wound protection and ecological restoration; the technology for repairing the wound surface of the soil steep slope engineering is weak in China.
At present, common steep slope restoration technologies include grouted rubble slope protection, arched framework slope protection, net-hanging concrete-sprayed slope protection, net-hanging spray-seeding ecological slope protection and the like. Generally, the slope protection forms can be divided into three types, namely a soil slope, a rock slope and a rock-soil mixed slope, according to the rock-soil properties (medium materials) of the slope, wherein the technology for repairing the soil steep slope is weak.
If the form of slope protection is selected unreasonably or is not implemented in place, the cost is greatly increased, and natural and geological disasters such as serious water and soil loss and slumping of a construction site can be caused, so that the local ecological environment is damaged. Therefore, the selection of proper slope protection measures has important significance for reducing water and soil loss, preventing wound surface collapse and the like.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a plant restoration method for a wound surface steep slope of a soil engineering in a alpine region, so as to prevent water and soil loss, slumping or other geological disasters.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a plant restoration method for a steep slope of a soil engineering wound surface in a alpine region comprises the following steps:
the method comprises the following steps: in the forest culture and management season of a high and cold region, the surface of a wound of a soil engineering is trimmed firstly, so that the gradient of each operation surface is 5-45 degrees, the height is 10-30 meters, and the length is 10-50 meters;
step two: digging planting holes on the operation surface in the step one according to the diameter of 10cm and the depth of 5 cm;
step three: preparing nutrient soil, adding water into the nutrient soil and uniformly stirring;
step four: adding plant seeds into the nutrient soil added with water in the third step;
step five: filling each planting hole with nutrient soil added with plant seeds in the fourth step;
step six: watering each planting hole filled with nutrient soil, wherein the watering amount is suitable for the soil to be wet;
step seven: and after the plant seeds germinate, carrying out manual maintenance management on the repair area.
Optimally, the planting holes in the second step are distributed according to contour lines, the distance between belts is 30cm, and the planting distance is 20 cm.
The invention has the beneficial effects that:
1) the invention adopts a plant restoration method to restore the steep slope of the surface of the wound of the soil engineering in the alpine region, thereby greatly reducing the engineering cost;
2) the vegetation coverage rate and species abundance of the engineering wound in the third year after the repair by the method are basically consistent with those of the method for repairing the hanging net spray-seeding ecological slope protection.
Detailed Description
The present invention will be described in detail with reference to specific embodiments. These examples are intended to illustrate the invention without limiting its scope.
A plant restoration method for a steep slope of a soil engineering wound surface in a alpine region comprises the following steps:
the method comprises the following steps: in the forest culture and management season of a high and cold region, the surface of a wound of a soil engineering is trimmed firstly, so that the gradient of each operation surface is 5-45 degrees, the height is 10-30 meters, and the length is 10-50 meters;
step two: digging a planting hole on the working surface according to the diameter of 10cm and the depth of 5 cm; planting holes are distributed according to contour lines, the distance between the planting holes is 30cm, and the planting distance is 20 cm;
step three: preparing nutrient soil, adding water into the nutrient soil and uniformly stirring;
step four: adding plant seeds into the nutrient soil added with water in the third step;
step five: filling each planting hole with nutrient soil added with plant seeds in the fourth step;
step six: watering each planting hole filled with nutrient soil, wherein the watering amount is suitable for the soil to be wet;
step seven: and after the plant seeds germinate, carrying out manual maintenance management on the repair area.
1) Example 1
The experiment is implemented in the construction of a fire ditch ecological restoration area in Xining city in a typical high and cold area, the engineering wound surface is a damaged surface formed by large excavation of a mountain by a former construction team in the construction process, and the experimental inspection engineering of the invention is carried out on the engineering wound surface with the gradient of 68 degrees in 2019 and 4-6 months.
The method comprises the following steps:
the method comprises the following steps: before implementation, the engineering wound surface is trimmed, and the soil engineering wound surface is trimmed into an ecological restoration operation area with the area of 25 multiplied by 25 square meters and the gradient of 45 degrees;
step two: digging planting holes along contour lines in the operation area according to the diameter of 10cm and the depth of 5 cm; the planting holes are dug according to a half-moon inclined fish scale pit form;
step three: the spacing between planting hole belts is 30cm, and the planting distance is 20c m;
step four: preparing nutrient soil according to a specified proportion, firstly adding water and uniformly stirring, and then adding alfalfa seeds; the planting density of the alfalfa is 8-10 grains/hole;
step five: filling each planting hole with nutrient soil added with the alfalfa seeds;
step six: watering each planting hole filled with nutrient soil, wherein the watering amount is suitable for the soil to be wet;
step seven: and after the seeds in the planting holes germinate, carrying out normal manual maintenance management on the ecological restoration area.
After the engineering wound surface is subjected to ecological restoration by the restoration method, engineering cost accounting and ecological benefit condition investigation are carried out in the current year, the next year and the third year, and the investigation result is shown in table 1. Compared with the prior art, the method has very low engineering cost, and the vegetation coverage rate and species abundance of the engineering wound surface in the third year after restoration are basically consistent with those of the mesh-hanging spray-seeding ecological slope protection restoration method.
TABLE 1 comparison of different repairing methods for wound steep slope in soil engineering in alpine region
2) Example 2
The experiment is implemented in the construction of a fire ditch ecological restoration area in Xining city in a typical high and cold area, the engineering wound surface is a damaged surface formed by large excavation of a mountain by a former construction team in the construction process, and the experimental inspection engineering of the invention is carried out on the engineering wound surface with the gradient of 65 degrees in 2019 and 4-6 months.
The method comprises the following steps:
the method comprises the following steps: before implementation, the engineering wound surface is trimmed, and the soil engineering wound surface is trimmed into an ecological restoration operation area with the area of 25 multiplied by 25 square meters and the gradient of 45 degrees;
step two: digging planting holes along contour lines in the operation area according to the diameter of 10cm and the depth of 5 cm; the planting holes are dug according to a half-moon inclined fish scale pit form;
step three: the spacing between planting hole belts is 30cm, and the planting distance is 20c m;
step four: preparing nutrient soil according to a specified proportion, firstly adding water and uniformly stirring, and then adding alfalfa seeds; the planting density of the alfalfa is 8-10 grains/hole;
step five: filling each planting hole with nutrient soil added with the alfalfa seeds;
step six: watering each planting hole filled with nutrient soil, wherein the watering amount is suitable for the soil to be wet;
step seven: and after the seeds in the planting holes germinate, carrying out normal manual maintenance management on the ecological restoration area.
After the engineering wound surface is subjected to ecological restoration by the restoration method, engineering cost accounting and ecological benefit condition investigation are carried out in the current year, the next year and the third year, and the investigation result is shown in table 2. Compared with the prior art, the method has very low engineering cost, and the vegetation coverage rate and species abundance of the engineering wound surface in the third year after restoration are basically consistent with those of the mesh-hanging spray-seeding ecological slope protection restoration method.
TABLE 2 comparison of different restoration methods for wound steep slope in soil engineering in alpine region
3) Example 3
The experiment is implemented in the construction of a fire ditch ecological restoration area in Xining city in a typical high and cold area, the engineering wound surface is a damaged surface formed by large excavation of a mountain by a former construction team in the construction process, and the experimental inspection engineering of the invention is carried out on the engineering wound surface with the gradient of 60 degrees in 2019 and 4-6 months.
The method comprises the following steps:
the method comprises the following steps: before implementation, the engineering wound surface is trimmed, and the soil engineering wound surface is trimmed into an ecological restoration operation area with the area of 25 multiplied by 25 square meters and the gradient of 45 degrees;
step two: digging planting holes along contour lines in the operation area according to the diameter of 10cm and the depth of 5 cm; the planting holes are dug according to a half-moon inclined fish scale pit form;
step three: the spacing between planting hole belts is 30cm, and the planting distance is 20c m;
step four: preparing nutrient soil according to a specified proportion, firstly adding water and uniformly stirring, and then adding alfalfa seeds; the planting density of the alfalfa is 8-10 grains/hole;
step five: filling each planting hole with nutrient soil added with the alfalfa seeds;
step six: watering each planting hole filled with nutrient soil, wherein the watering amount is suitable for the soil to be wet;
step seven: and after the seeds in the planting holes germinate, carrying out normal manual maintenance management on the ecological restoration area.
After the engineering wound surface is subjected to ecological restoration by the restoration method, engineering cost accounting and ecological benefit condition investigation are carried out in the current year, the next year and the third year, and the investigation result is shown in table 3. Compared with the prior art, the method has very low engineering cost, and the vegetation coverage rate and species abundance of the engineering wound surface in the third year after restoration are basically consistent with those of the mesh-hanging spray-seeding ecological slope protection restoration method.
TABLE 3 comparison of different restoration methods for wound steep slope in soil engineering in alpine region
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (2)
1. A plant restoration method for a steep slope of a soil engineering wound surface in a alpine region is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: in the forest culture and management season of a high and cold region, the surface of a wound of a soil engineering is trimmed firstly, so that the gradient of each operation surface is 5-45 degrees, the height is 10-30 meters, and the length is 10-50 meters;
step two: digging planting holes on the operation surface in the step one according to the diameter of 10cm and the depth of 5 cm;
step three: preparing nutrient soil, adding water into the nutrient soil and uniformly stirring;
step four: adding plant seeds into the nutrient soil added with water in the third step;
step five: filling each planting hole with nutrient soil added with plant seeds in the fourth step;
step six: watering each planting hole filled with nutrient soil, wherein the watering amount is suitable for the soil to be wet;
step seven: and after the plant seeds germinate, carrying out manual maintenance management on the repair area.
2. The method for repairing plants on the steep slope of the soil engineering wound in the alpine region according to claim 1, wherein the method comprises the following steps: and step two, the planting holes are distributed according to contour lines, the distance between belts is 30cm, and the planting distance is 20 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197475.0A CN114080968A (en) | 2021-10-14 | 2021-10-14 | Plant restoration method for severe slope of soil engineering wound surface in alpine region |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197475.0A CN114080968A (en) | 2021-10-14 | 2021-10-14 | Plant restoration method for severe slope of soil engineering wound surface in alpine region |
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| CN114080968A true CN114080968A (en) | 2022-02-25 |
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|---|---|---|---|
| CN202111197475.0A Pending CN114080968A (en) | 2021-10-14 | 2021-10-14 | Plant restoration method for severe slope of soil engineering wound surface in alpine region |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432056A (en) * | 2019-08-05 | 2019-11-12 | 广州普邦园林股份有限公司 | A kind of near-nature forest zoology green-recovery method of South China's soil-slope |
| CN112385485A (en) * | 2020-11-06 | 2021-02-23 | 内蒙古农业大学 | Permanent ecological restoration method applied to soil slope in northwest region |
-
2021
- 2021-10-14 CN CN202111197475.0A patent/CN114080968A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432056A (en) * | 2019-08-05 | 2019-11-12 | 广州普邦园林股份有限公司 | A kind of near-nature forest zoology green-recovery method of South China's soil-slope |
| CN112385485A (en) * | 2020-11-06 | 2021-02-23 | 内蒙古农业大学 | Permanent ecological restoration method applied to soil slope in northwest region |
Non-Patent Citations (2)
| Title |
|---|
| 仝晓辉等: "打穴钻孔植营养钵苗技术在高速公路边坡生态防护中的应用", 《中国水土保持》 * |
| 陈惟国等: "《山地高含硫气田生态恢复与重建》", 31 July 2016, 中国环境出版社 * |
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Application publication date: 20220225 |
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