CN114215076B - Construction method of three-dimensional soil engineering grass planting revetment - Google Patents
Construction method of three-dimensional soil engineering grass planting revetment Download PDFInfo
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- CN114215076B CN114215076B CN202111363936.7A CN202111363936A CN114215076B CN 114215076 B CN114215076 B CN 114215076B CN 202111363936 A CN202111363936 A CN 202111363936A CN 114215076 B CN114215076 B CN 114215076B
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- 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
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- 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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
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- 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
- E02D17/202—Securing of slopes or inclines with flexible securing means
Abstract
The invention discloses a construction method of a three-dimensional soil engineering grass planting revetment, which comprises the following steps: slope surface finishing, (2) nailing a net cushion, (3) backfilling, and (4) spray-seeding grass and irrigating seeds: uniformly spraying the seed liquid on the three-dimensional net slope surface; the seed liquid consists of gibberellin, fungus bags, compound fertilizers, seaweed powder, cyclodextrin, grass seeds and water; and (5) covering the non-woven fabric and (6) maintaining and managing. According to the construction method, the base fertilizer, the organic soil and the seed liquid are improved, so that the grass seed germination rate and the grass seedling survival rate of the three-dimensional geotechnical grass planting protection slope are improved, meanwhile, the initial maintenance watering time is prolonged, the difficulty of initial maintenance management is reduced, the construction cost is saved, and the engineering quality is improved.
Description
Technical Field
The invention relates to a construction method of a revetment, in particular to a construction method of a three-dimensional geotechnical grass planting revetment.
Background
The three-dimensional geotechnical net pad grass planting refers to a new technology for constructing a protection system with self growth capacity on a slope by utilizing active plants and combining engineering materials such as geosynthetic materials and the like and reinforcing a side slope through the growth of the plants. According to the characteristics of the landform, the soil property and the regional climate of the side slope, a layer of geosynthetic material is covered on the surface of the side slope, and various plants are planted according to a certain combination and spacing. The purpose of root system reinforcement and stem leaf erosion prevention is achieved through the growth activity of plants, dense vegetation cover can be formed on a slope surface through the treatment of an ecological slope protection technology, root systems with root-coiling staggered joints are formed on a surface soil layer, the erosion of storm runoff on a side slope is effectively inhibited, the shear strength of a soil body is increased, the pore water pressure and the soil body self-gravity are reduced, and therefore the stability and the erosion resistance of the side slope are greatly improved.
With the enhancement of the consciousness of 'ecological green', the technology of grass planting and slope protection by three-dimensional geonet pads becomes a hot spot of research in the year. For example, CN212896409U discloses a three-dimensional geotechnical net pad grass planting slope protection structure, which comprises a plurality of three-dimensional geotechnical net pads laid and fixed on a slope protection, backfilled earth is arranged in and above meshes of the three-dimensional geotechnical net pads, a grass seed layer is arranged above the backfilled earth, and non-woven fabrics are covered above the grass seed layer; the top of slope and the toe punishment of bank protection are equipped with the slot respectively, and three-dimensional geotechnological net pad extends to the ditch inslot and fixes.
CN213952182U discloses a composite geonet, which includes: a three-dimensional geonet comprising: a flat-layer web structure comprising a first surface and a second surface disposed opposite one another; the reticular convex structure is fixedly connected with the flat-layer reticular structure and protrudes out of the first surface; the geogrid and the three-dimensional geonet are arranged in a stacked mode; and the geogrid is fixedly connected with the flat-layer net structure and is arranged on one side adjacent to the second surface. This kind of compound geotechnological net utilizes geogrid, can fix the position of three-dimensional geotechnological net to geogrid and three-dimensional geotechnological net all can fix soil jointly, in order to reduce soil and because of the displacement to the force that applies to three-dimensional geotechnological net, ensure three-dimensional geotechnological net's structural integrity, thereby can be applied to higher domatic with this compound geotechnological net, in order to provide effectual protection to domatic, prevent soil erosion and water loss.
The existing three-dimensional soil engineering grass planting protection process mostly focuses on the structure improvement of the grass planting protection slope and the structure improvement of the three-dimensional soil engineering net, and the attention on the survival rate of grass seeds and the later maintenance is less. In actual engineering, most of three-dimensional geotechnical grass planting slope protection engineering is in remote places, the slope situation is complex, the survival rate of grass seeds is low, the later maintenance is difficult and the like, so that the actual effect of the three-dimensional geotechnical grass planting slope protection is poor, and the application of the actual engineering is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the construction method of the three-dimensional soil engineering grass planting revetment, which has good revetment effect and simple maintenance.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a construction method of a three-dimensional geotechnical grass planting revetment comprises the following steps:
(1) Slope surface finishing:
cleaning and flattening the slope surface, and removing impurities with the diameter larger than 2cm, such as pumice, tree roots and the like, so as to be beneficial to the combination of the base material and the rock slope surface;
(2) Nailing a mesh pad:
the upper end of the three-dimensional geonet pad is embedded into the soil, and the lower end of the three-dimensional geonet pad is reserved as a horizontal plane; placing the net pad on the top of the slope, and then pulling out the net pad along the slope from top to bottom to the bottom of the slope;
the lapping joint between the net pad and the net pad is not less than l0cm, and the net pad is tightly attached to the slope surface without hanging and folding phenomena;
(3) Backfill soil
After the net pad is fixed, spraying the uniformly mixed organic soil on the fixed three-dimensional net slope surface by using a spraying machine;
when in injection, the injection is carried out from the front side, the concave-convex part and the dead angle part are fully injected, so that the formed new soil layer can completely cover the three-dimensional geonet pad, and the phenomenon of exposing the net bag can not occur;
(4) Spray-seeding grass irrigation seed
Uniformly spraying the seed liquid on the three-dimensional net slope surface; the seed liquid consists of gibberellin, fungus bags, compound fertilizers, seaweed powder, cyclodextrin, grass seeds and water;
(5) Covering non-woven fabric
(6) And (5) maintenance management.
Preferably, after the slope surface is finished in the step (1), a base fertilizer is applied, wherein the base fertilizer contains 2-5% of the water-retaining agent composition by mass percent.
Further preferably, the water-retaining agent composition is prepared by mixing the following components in a mass ratio of 1-3:1 seaweed meal and polyglutamic acid; most preferably 2:1.
preferably, the spraying in the step (3) is carried out in a mass ratio of 1:0.4-0.5.
Preferably, the organic soil includes sludge, humic acid, sodium carbonate, starch, compound fertilizer and cement.
Further preferably, the organic soil comprises the following components in parts by weight: 100 parts of sludge, 8-12 parts of humic acid, 0.3-0.8 part of sodium carbonate, 15-25 parts of starch, 0.01-0.05 part of compound fertilizer and 1-3 parts of cement.
Most preferably, the organic soil comprises the following components in parts by weight: 100 parts of sludge, 10 parts of humic acid, 0.5 part of sodium carbonate, 20 parts of starch, 0.03 part of compound fertilizer and 1 part of cement.
Preferably, the seed liquid in the step (4) comprises the following components in percentage by mass: gibberellin 0.1-0.2%, fungus bag 30-50%, compound fertilizer 0.01-0.03%, seaweed meal 10-20%, cyclodextrin 1-3%, grass seed 10-15% and water in balance.
Further preferably, the seed liquid comprises the following components in percentage by mass: gibberellin 1%, fungus bags 45%, compound fertilizer 0.02%, seaweed meal 15%, cyclodextrin 2%, grass seeds 12% and the balance of water.
Preferably, the early stage of the spray irrigation water curing in the step (6) is 40 days, and water is sprayed every 7 to 12 days.
The invention has the beneficial effects that:
according to the construction method, the base fertilizer, the organic soil and the seed liquid are improved, so that the grass seed germination rate and the grass seedling survival rate of the three-dimensional geotechnical grass planting protection slope are improved, meanwhile, the initial maintenance watering time is prolonged, the difficulty of initial maintenance management is reduced, the construction cost is saved, and the engineering quality is improved.
Detailed Description
For a better understanding of the present invention, the present invention is further illustrated below with reference to the following examples, which are set forth only to help provide an understanding of the method of the present invention and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The following description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Accordingly, the invention is not to be limited to the embodiments shown herein.
When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any value therebetween can be selected unless the invention otherwise indicated. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The sludge is bottom sludge for cleaning a river channel, and the solid content is 50-60%; the seaweed powder is prepared by drying and crushing enteromorpha prolifera and kelp leftover materials, the adopted grass seeds are ryegrass, and the fungus bags are waste fungus bags obtained by fermenting oyster mushrooms.
Example 1
A construction method of a three-dimensional soil engineering grass planting revetment comprises the following steps:
(1) Slope surface finishing:
cleaning and flattening the slope surface, and removing impurities with the diameter larger than 2cm, such as pumice, tree roots and the like, so as to be beneficial to the combination of the base material and the rock slope surface;
after the slope surface is finished, paving a base fertilizer of 5cm on the slope surface to provide a basic growth environment for grass growth, wherein the base fertilizer contains a water-retaining agent composition with the mass percentage of 3%; the water-retaining agent composition is prepared from the following components in percentage by mass: 1 and polyglutamic acid.
(2) Nailing a mesh pad:
the upper end of the three-dimensional geonet pad is embedded into the soil, and the lower end of the three-dimensional geonet pad is reserved as a horizontal plane; placing the net pad on the top of the slope, and then pulling out the net pad along the slope from top to bottom to the bottom of the slope;
the lapping joint between the net pad and the net pad is not less than l0cm, and the net pad is tightly attached to the slope surface without hanging and folding phenomena;
(3) Backfilling
After the net pad is fixed, spraying the uniformly mixed organic soil on the fixed three-dimensional net slope surface by using a spraying machine; during spraying, the amount of water is manually controlled through a switch on a spray gun, and the mass ratio of water to organic soil is 1:0.45 of;
the organic soil comprises the following components in parts by weight: 100 parts of sludge, 10 parts of humic acid, 0.5 part of sodium carbonate, 20 parts of starch, 0.03 part of compound fertilizer and 1 part of cement;
when the three-dimensional geotechnical mesh pad is sprayed, the spraying is carried out from the front side, the concave-convex part and the dead angle part are fully sprayed, the formed new soil layer is ensured to completely cover the three-dimensional geotechnical mesh pad, and the phenomenon that a mesh bag is exposed cannot occur.
(4) Spray-seeding grass irrigation seed
Uniformly spraying the seed liquid on the three-dimensional net slope surface;
the seed liquid comprises the following components in percentage by mass: 1% of gibberellin, 45% of fungus bag, 0.02% of compound fertilizer, 15% of seaweed meal, 2% of cyclodextrin, 12% of grass seeds and the balance of water.
(5) Covering non-woven fabric
(6) Maintenance management:
ensuring the moisture required by the germination and growth of the seeds, and spraying water once every 12 days, wherein the spray irrigation water conservation is 40 days in the early stage; during the middle period, the water is sprayed for 1 time per month and during the later period, the water is sprayed for 1 time per month if the drought occurs.
Example 2
A construction method of a three-dimensional geotechnical grass planting revetment comprises the following steps:
(1) Slope surface finishing:
cleaning and leveling the slope surface, and removing impurities such as pumice, tree roots and the like with the diameter of more than 2cm so as to be beneficial to the combination of the base material and the rock slope surface;
after the slope surface is finished, paving a base fertilizer of 6cm on the slope surface to provide a basic growth environment for grass growth, wherein the base fertilizer contains a water-retaining agent composition with the mass percent of 2%; the water-retaining agent composition is prepared from the following components in percentage by mass of 1:1 and polyglutamic acid.
(2) Nailing a mesh pad:
the upper end of the three-dimensional geonet pad is embedded into the soil, and the lower end of the three-dimensional geonet pad is reserved as a horizontal plane; placing the net pad on the top of the slope, and then pulling out the net pad along the slope from top to bottom to the bottom of the slope;
the lapping joint between the net pad and the net pad is not less than l0cm, and the net pad is tightly attached to the slope surface without hanging and folding phenomena;
(3) Backfilling
After the net pad is fixed, spraying the uniformly mixed organic soil on the fixed three-dimensional net slope surface by using a spraying machine; during spraying, the amount of water is manually controlled through a switch on a spray gun, and the mass ratio of water to organic soil is 1:0.4;
the organic soil comprises the following components in parts by weight: 100 parts of sludge, 12 parts of humic acid, 0.8 part of sodium carbonate, 25 parts of starch, 0.05 part of compound fertilizer and 3 parts of cement;
when in injection, the injection is carried out from the front, the concave-convex part and the dead angle part are fully injected, the formed new soil layer is ensured to completely cover the three-dimensional geotechnical net pad, and the phenomenon of exposing the net bag is avoided.
(4) Spray-seeding grass irrigation seed
Uniformly spraying the seed liquid on the three-dimensional net slope surface;
the seed liquid comprises the following components in percentage by mass: gibberellin 0.2%, fungus bag 30%, compound fertilizer 0.01%, seaweed meal 20%, cyclodextrin 1%, grass seeds 10% and the balance of water.
(5) Covering non-woven fabric
(6) Maintenance management:
the moisture required by seed germination and growth is ensured, the early-stage spray irrigation water conservation is 40 days, and water is sprayed once every 9 days; during the middle period, the water is sprayed for 1 time per month and during the later period, the water is sprayed for 1 time per month if the drought occurs.
Example 3
A construction method of a three-dimensional geotechnical grass planting revetment comprises the following steps:
(1) Slope surface finishing:
cleaning and leveling the slope surface, and removing impurities such as pumice, tree roots and the like with the diameter of more than 2cm so as to be beneficial to the combination of the base material and the rock slope surface;
after the slope surface is finished, paving 7cm of base fertilizer on the slope surface to provide a basic growth environment for grass growth, wherein the base fertilizer contains 5 mass percent of water-retaining agent composition; the water-retaining agent composition is prepared from the following components in percentage by mass: 1 and polyglutamic acid.
(2) Nailing a mesh pad:
the upper end of the three-dimensional geonet pad is embedded into the soil, and the lower end of the three-dimensional geonet pad is reserved as a horizontal plane; placing the net pad on the top of the slope, and then pulling out the net pad along the slope from top to bottom to the bottom of the slope;
the lapping joint between the net pad and the net pad is not less than l0cm, and the net pad is tightly attached to the slope surface without hanging and folding phenomena;
(3) Backfilling
After the net pad is fixed, spraying the uniformly mixed organic soil on the fixed three-dimensional net slope surface by using a spraying machine; during spraying, the amount of water is manually controlled through a switch on a spray gun, and the mass ratio of water to organic soil is 1:0.5;
the organic soil comprises the following components in parts by weight: 100 parts of sludge, 8 parts of humic acid, 0.3 part of sodium carbonate, 15 parts of starch, 0.01 part of compound fertilizer and 1 part of cement;
when in injection, the injection is carried out from the front, the concave-convex part and the dead angle part are fully injected, the formed new soil layer is ensured to completely cover the three-dimensional geotechnical net pad, and the phenomenon of exposing the net bag is avoided.
(4) Spray-seeding grass irrigation seed
Uniformly spraying the seed liquid on the three-dimensional net slope surface;
the seed liquid comprises the following components in percentage by mass: gibberellin 0.15%, fungus bag 30%, compound fertilizer 0.03%, seaweed meal 20%, cyclodextrin 2.5%, grass seeds 15% and the balance of water.
(5) Covering non-woven fabric
(6) Maintenance management:
the moisture required by seed germination and growth is ensured, the early-stage spray irrigation water conservation is 40 days, and water is sprayed once every 7 days; the middle stage is maintained by natural rainwater, if drought occurs, water is sprayed for 1 time per month, and the later stage is maintained by spraying water for 1 time per month.
Comparative example 1
The comparative example is different from example 1 in that the water-retaining agent composition is prepared by mixing the following components in a mass ratio of 4:1 seaweed meal and polyglutamic acid;
the organic soil comprises the following components in parts by weight: 100 parts of sludge, 7 parts of humic acid, 0.9 part of sodium carbonate, 20 parts of starch, 0.03 part of compound fertilizer and 1 part of cement;
the seed liquid comprises the following components in percentage by mass: gibberellin 0.25%, fungus bag 25%, compound fertilizer 0.03%, seaweed meal 25%, cyclodextrin 4%, grass seeds 9% and water in balance.
The early stage of spray irrigation water conservation is 40 days, and water is sprayed every 7 days.
Comparative example 2
The comparative example is different from example 1 in that the water-retaining agent composition is prepared by mixing the following components in a mass ratio of 0.5:1 seaweed meal and polyglutamic acid; the organic soil comprises the following components in parts by weight: 100 parts of sludge, 15 parts of humic acid, 0.2 part of sodium carbonate, 20 parts of starch, 0.03 part of compound fertilizer and 1 part of cement;
the seed solution comprises the following components in percentage by mass: gibberellin 0.05%, fungus bag 55%, compound fertilizer 0.03%, seaweed meal 8%, cyclodextrin 0.5%, grass seeds 18% and the balance of water;
the early stage of spray irrigation water conservation is 40 days, and water is sprayed every 7 days.
Comparative example 3
In the conventional construction method disclosed in CN212896409U, the early stage of sprinkling irrigation water curing is 40 days, and water is sprayed once every 7 days.
Three-dimensional geonet grass planting revetment is adopted for treating side slopes at river bank pile numbers 1+ 628m-1 +778m in the treatment of the baizu dry-flow river channel, the slope is 33.5 degrees, each test zone is 25m, the germination rate of grass seeds and the survival rate of grass seedlings are counted by taking 1m + 1m at the center of each test zone as a unit, and the results are shown in table 1.
TABLE 1
| Germination percentage of grass seeds (7 d) | Survival rate of grass seedlings after 40 days% | |
| Example 1 | 92 | 96 |
| Example 2 | 93 | 90 |
| Example 3 | 95 | 89 |
| Comparative example 1 | 78 | 48 |
| Comparative example 2 | 80 | 52 |
| Comparative example 3 | 65 | 41 |
As can be seen from Table 1, the curing period of the invention in examples 1-3 is 40 days, the germination rate of the grass seeds 7 days reaches 92-95% after water is sprayed every 7-12 days, and the survival rate of the grass seedlings after 40 days is 89-96%. In contrast to the comparative examples 1-2, the germination rate of the grass seeds after 7 days is 78-80% and the survival rate of the grass seedlings after 40 days is 48-52% after water spraying every 7 days. The base fertilizer, the organic soil and the seed liquid have important influence on the germination rate of grass seeds and the survival rate of grass seedlings of the three-dimensional geotechnical grass planting slope protection.
In conclusion, the construction method improves the grass seed germination rate and the grass seedling survival rate of the three-dimensional geotechnical grass planting protection slope by improving the base fertilizer, the organic soil and the seed liquid, prolongs the initial maintenance watering time, reduces the difficulty of initial maintenance management, saves the construction cost and improves the engineering quality.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A construction method of a three-dimensional soil engineering grass planting slope protection is characterized by comprising the following steps:
(1) Slope surface finishing: after the slope surface is finished, paving a base fertilizer of 5-7cm on the slope surface, wherein the base fertilizer contains 2-5% of a water-retaining agent composition by mass percent; the water-retaining agent composition is prepared from the following components in a mass ratio of 1-3:1 seaweed meal and polyglutamic acid;
(2) Nailing a mesh pad;
(3) Backfilling;
after the net pad is fixed, spraying the uniformly mixed organic soil on the fixed three-dimensional net slope surface by using a spraying machine;
during spraying, the mass ratio of water to organic soil is 1:0.4-0.5;
the organic soil comprises the following components in parts by weight: 100 parts of sludge, 8-12 parts of humic acid, 0.3-0.8 part of sodium carbonate, 15-25 parts of starch, 0.01-0.05 part of compound fertilizer and 1-3 parts of cement;
when in injection, the injection is carried out from the front side, the concave-convex part and the dead angle part are fully injected, so that the formed new soil layer can completely cover the three-dimensional geonet pad, and the phenomenon of exposing the net bag can not occur;
(4) Spray-seeding grass irrigation seed
Uniformly spraying the seed liquid on the three-dimensional net slope surface; the seed liquid comprises the following components in percentage by mass: 1-2% of gibberellin, 30-50% of fungus bags, 0.01-0.03% of compound fertilizer, 10-20% of seaweed powder, 1-3% of cyclodextrin, 10-15% of grass seeds and the balance of water, wherein the grass seeds are ryegrass;
(5) Covering non-woven fabrics;
(6) And (5) maintenance management.
2. The construction method according to claim 1, wherein the organic soil comprises the following components in parts by weight: 100 parts of sludge, 10 parts of humic acid, 0.5 part of sodium carbonate, 20 parts of starch, 0.03 part of compound fertilizer and 1 part of cement.
3. The construction method according to claim 1, wherein the seed liquid comprises the following components in percentage by mass: 1% of gibberellin, 45% of fungus bag, 0.02% of compound fertilizer, 15% of seaweed meal, 2% of cyclodextrin, 12% of grass seeds and the balance of water.
4. The construction method as claimed in any one of claims 1 to 3, wherein the previous stage of the irrigation water conservation in step (6) is 40 days, and the water is sprayed every 7 to 12 days.
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| JP2016196769A (en) * | 2015-04-03 | 2016-11-24 | 日本工営株式会社 | Soil application agent, manufacturing method of soil application agent, soil erosion prevention method and container set of soil application agent |
| KR20180008264A (en) * | 2017-05-02 | 2018-01-24 | (주)다원녹화건설 | A Preliminary Protecting Net Produced by a Eco-Friendly Polymer Material Having Function of Preventing Dust and Adhering a Seed and a Seed Fixing Layer with the Same |
| CA2996193A1 (en) * | 2017-09-13 | 2018-04-30 | Propex Operating Company, Llc | Geotextile-based structure for vegetative growth enhancement and erosion resistance |
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| CN114215076A (en) | 2022-03-22 |
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