CN112272985A - Water-retention green plant construction method and application - Google Patents
Water-retention green plant construction method and application Download PDFInfo
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- 239000002689 soil Substances 0.000 claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims abstract description 19
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- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 241000196324 Embryophyta Species 0.000 claims description 43
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- 230000012010 growth Effects 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 12
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- 239000004698 Polyethylene Substances 0.000 claims description 6
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- 230000008635 plant growth Effects 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009331 sowing Methods 0.000 claims description 5
- 241000234642 Festuca Species 0.000 claims description 3
- 241000209200 Bromus Species 0.000 claims description 2
- 241000209049 Poa pratensis Species 0.000 claims description 2
- 241000468460 Thalictrum aquilegiifolium Species 0.000 claims description 2
- 240000009088 Fragaria x ananassa Species 0.000 claims 1
- 241000212324 Oenanthe <angiosperm> Species 0.000 claims 1
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- 244000292693 Poa annua Species 0.000 description 1
- 244000020191 Salix babylonica Species 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The invention relates to the technical field of greening planting, in particular to a water-retaining greening planting construction method and application. The method comprises the steps of cleaning the surface layer, excavating the water storage tank, paving the environment-friendly anti-seepage geomembrane, backfilling earthwork in the water storage tank, covering planting soil on the working surface layer, planting plants, covering a shading net and maintaining. Compared with the prior art, the water-retention green plant construction method provided by the invention has the advantages that the soil moisture and water are preserved, the water can be effectively preserved, and the water and soil loss is prevented; the service life is long; the performance is stable; water resources, fertilizers and labor can be greatly saved; is beneficial to improving the survival rate of plants and can save the later-stage manual maintenance cost. Meanwhile, the method can also solve the problem of the surrounding environment of a semi-desertification arid area or an area where vegetation is difficult to recover due to water shortage and maintenance difficulty, and recover the original ecological system.
Description
Technical Field
The invention relates to the technical field of greening planting, in particular to a water-retaining green planting construction method and application in semi-desertification arid areas with dry climate, drought and little rain, serious land desertification and year-by-year water resource reduction.
Background
The situation of land desertification in China is severe, and unreasonable development and utilization of water and soil resources are the main reasons for the expansion of the land desertification. The key point of preventing and treating the land desertification is to reasonably develop and utilize water and soil resources, implement a regional prevention and treatment strategy by relying on ecological self-repairing capability, make physical innovation, mechanism innovation and scientific and technological innovation better and accelerate the progress of comprehensively preventing and treating the land desertification.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a water-retention green plant construction method and application.
The technical scheme of the invention is as follows: a water-retaining green plant construction method specifically comprises the following steps:
s1: cleaning the surface layer, wherein sandy soil on the surface layer is barren, so that nutrients beneficial to plant growth are deficient, the sandy soil on the surface layer on the original ground needs to be cleaned, and the cleaning thickness is 10 cm;
s2: excavating the water storage tank, namely excavating the inverted trapezoidal water storage tank according to design requirements, excavating a side ditch at the top of the water storage tank, and manually removing all block stones which possibly cause the jacking and damage of the environment-friendly impermeable geomembrane;
s3: paving an environment-friendly anti-seepage geomembrane, and paving the environment-friendly anti-seepage geomembrane along the inner wall from bottom to top in the finished inverted trapezoidal water storage tank so as to tightly combine the environment-friendly anti-seepage geomembrane with the water storage tank; paving the edge of the environment-friendly impermeable geomembrane on an excavated side ditch, backfilling by adopting earth and stones, and compacting the environment-friendly impermeable geomembrane; two side surfaces of the end part of the water storage tank are paved and blocked by adopting environment-friendly anti-seepage geomembranes; when the length of each environment-friendly anti-seepage geomembrane is not enough, performing tile-covering type patching, and overlapping the patching position by 5cm to ensure that no water is leaked; after the environment-friendly anti-seepage geomembrane is laid, an overflow hole is formed in the 2/3 position on the environment-friendly anti-seepage geomembrane on the side surface of the water storage tank according to the design requirement; the area 1/3 above the overflow hole is a water collecting opening of the water storage tank, the water collecting capacity of the overflow groove is improved, the area below the overflow hole is an effective water storage tank by taking an overflow water level line as a boundary, the water is irrigated for the first time to be permeated to the overflow water level line, rainwater permeated under the ground surface is collected by the water collecting opening at the later stage and is stored in the effective water storage tank, wherein the position of the overflow water level line is different according to different planted plants, and the water energy in the effective water storage tank can effectively provide moisture guarantee for the growth of the plants for a long time;
s4: backfilling earthwork in the water storage tank, wherein when the earthwork is backfilled in the water storage tank, manually and carefully backfilling is adopted to prevent the environment-friendly impermeable geomembrane from being broken by the stones mixed with the earthwork, and backfilling to a cleaning surface elevation of S1 on the premise of not damaging the sealing property of the environment-friendly impermeable geomembrane;
s5: covering planting soil on the working surface layer, and covering planting mellow soil mixed with organic fertilizer on the surface layer backfilled in S4, wherein the thickness is 10 cm;
s6: planting plants, namely planting local plant grass seeds or foreign plant grass seeds suitable for local areas, which have strong drought resistance and cold resistance, developed root systems and high germination rate, on a working surface layer covered with planting soil; reserving planting holes above the position of the water storage tank for planting drought-resistant and cold-resistant arbors or shrubs;
s7: covering a shading net, after the plants on the working surface layer are planted, uniformly spraying water mist until the humidity is kept more than 90%, immediately covering the shading net, and fixing by using wooden nails or binding wires;
s8: and (3) maintaining, namely monitoring the growth condition of the plants in the germination, lawn forming period and seedling rooting recovery period of the grass seeds, removing the shading net and the wooden nails when the grass on the working surface layer grows to 5-10 cm, spraying water twice in the morning and evening every day, strictly preventing solarization, topdressing according to the growth vigor of the plants, mainly using leaf fertilizers and quick-acting fertilizers, and simultaneously detecting and preventing plant diseases and insect pests.
Furthermore, the size of the water storage tank is designed according to the type of the planted nursery stock.
Further, the environment-friendly impermeable geomembrane is made of polyethylene materials.
Furthermore, the native grass plant can be selected from Thalictrum aquilegifolium, Poa pratensis, Amur awn, Festuca sinensis or bromus formosanus, and can be sowed in single or mixed mode, and the sowing amount is 35g/m2。
The invention also discloses the application of the water-retaining green plant construction method, and the construction method can be applied to the arid area of the semi-desertification or the area where the vegetation is difficult to recover due to water shortage and difficult maintenance.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a water-retention green plant construction method, which can preserve soil moisture and water, effectively preserve water and prevent soil erosion; the service life is long; the performance is stable; water resources, fertilizers and labor can be greatly saved; is beneficial to improving the survival rate of plants and can save the later-stage manual maintenance cost. Meanwhile, the method can also solve the problem of the surrounding environment of a semi-desertification arid area or an area where vegetation is difficult to recover due to water shortage and maintenance difficulty, and recover the original ecological system.
Drawings
FIG. 1 is a schematic cross-sectional view of a working area in the water-retaining green plant construction method of the present invention;
FIG. 2 is a schematic plan view of a working area in the water-retaining green plant construction method of the present invention.
In the figure, 1, the original soil layer; 2. covering soil on the planting layer; 3. a water storage tank; 4. a water collecting port; 5. an overflow waterline; 6. an effective water storage tank; 7. an overflow hole; 8. the water collecting surface and the side surface of the water storage tank; 9. the bottom of the water storage tank; 10. an environment-friendly anti-seepage geomembrane; 11. and (4) side ditches.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A water-retaining green plant construction method specifically comprises the following steps:
s1: cleaning the surface layer, wherein sandy soil on the surface layer is barren, so that nutrients beneficial to plant growth are deficient, the sandy soil on the surface layer on the original ground needs to be cleaned, and the cleaning thickness is 10 cm;
s2: excavating a water storage tank, namely excavating an inverted trapezoidal water storage tank according to design requirements, wherein the size of the water storage tank is designed according to the type of planted nursery stocks, excavating side ditches at the top of the water storage tank, and manually removing all rock blocks which possibly cause the jacking and damage of the environment-friendly impermeable geomembrane;
s3: paving an environment-friendly anti-seepage geomembrane, and paving a polyethylene material environment-friendly anti-seepage geomembrane along the inner wall from bottom to top in the finished inverted trapezoidal water storage tank so as to tightly combine the environment-friendly anti-seepage geomembrane with the water storage tank; paving the edge of the environment-friendly impermeable geomembrane on an excavated side ditch, backfilling by adopting earth and stones, and compacting the environment-friendly impermeable geomembrane; two side surfaces of the end part of the water storage tank are paved and blocked by adopting environment-friendly anti-seepage geomembranes; when the length of each environment-friendly anti-seepage geomembrane is not enough, performing tile-covering type patching, and overlapping the patching position by 5cm to ensure that no water is leaked; after the environment-friendly anti-seepage geomembrane is laid, an overflow hole is formed in the 2/3 position on the environment-friendly anti-seepage geomembrane on the side surface of the water storage tank according to the design requirement; the area 1/3 above the overflow hole is a water collecting opening of the water storage tank, the water collecting capacity of the overflow groove is improved, the area below the overflow hole is an effective water storage tank by taking an overflow water level line as a boundary, the water is irrigated for the first time to be permeated to the overflow water level line, rainwater permeated under the ground surface is collected by the water collecting opening at the later stage and is stored in the effective water storage tank, wherein the position of the overflow water level line is different according to different planted plants, and the water energy in the effective water storage tank can effectively provide moisture guarantee for the growth of the plants for a long time;
s4: backfilling earthwork in the water storage tank, wherein when the earthwork is backfilled in the water storage tank, manually and carefully backfilling is adopted to prevent the environment-friendly impermeable geomembrane from being broken by the stones mixed with the earthwork, and backfilling to a cleaning surface elevation of S1 on the premise of not damaging the sealing property of the environment-friendly impermeable geomembrane;
s5: covering planting soil on the working surface layer, and covering planting mellow soil mixed with organic fertilizer on the surface layer backfilled in S4, wherein the thickness is 10 cm;
s6: planting plants, selecting and unicasting the elymus plants with strong drought resistance, cold resistance, developed root system and high germination rate on the working surface layer covered with planting soil, wherein the seeding amount is 35g/m2(ii) a Reserving planting holes above the positions of the water storage tanks for planting drought-resistant and cold-resistant sea buckthorns;
s7: covering a shading net, after the plants on the working surface layer are planted, uniformly spraying water mist until the humidity is kept more than 90%, immediately covering the shading net, and fixing by using wooden nails or binding wires;
s8: and (3) maintaining, namely monitoring the growth condition of the plants in the germination, lawn forming period and seedling rooting recovery period of the grass seeds, removing the shading net and the wooden nails when the grass on the working surface layer grows to 5-10 cm, spraying water twice in the morning and evening every day, strictly preventing solarization, topdressing according to the growth vigor of the plants, mainly using leaf fertilizers and quick-acting fertilizers, and simultaneously detecting and preventing plant diseases and insect pests.
The water-retaining green plant construction method can be applied to semi-desertification arid areas.
Example 2
A water-retaining green plant construction method specifically comprises the following steps:
s1: cleaning the surface layer, wherein sandy soil on the surface layer is barren, so that nutrients beneficial to plant growth are deficient, the sandy soil on the surface layer on the original ground needs to be cleaned, and the cleaning thickness is 10 cm;
s2: excavating a water storage tank, namely excavating an inverted trapezoidal water storage tank according to design requirements, wherein the size of the water storage tank is designed according to the type of planted nursery stocks, excavating side ditches at the top of the water storage tank, and manually removing all rock blocks which possibly cause the jacking and damage of the environment-friendly impermeable geomembrane;
s3: paving an environment-friendly anti-seepage geomembrane, and paving a polyethylene material environment-friendly anti-seepage geomembrane along the inner wall from bottom to top in the finished inverted trapezoidal water storage tank so as to tightly combine the environment-friendly anti-seepage geomembrane with the water storage tank; paving the edge of the environment-friendly impermeable geomembrane on an excavated side ditch, backfilling by adopting earth and stones, and compacting the environment-friendly impermeable geomembrane; two side surfaces of the end part of the water storage tank are paved and blocked by adopting environment-friendly anti-seepage geomembranes; when the length of each environment-friendly anti-seepage geomembrane is not enough, performing tile-covering type patching, and overlapping the patching position by 5cm to ensure that no water is leaked; after the environment-friendly anti-seepage geomembrane is laid, an overflow hole is formed in the 2/3 position on the environment-friendly anti-seepage geomembrane on the side surface of the water storage tank according to the design requirement; the area 1/3 above the overflow hole is a water collecting opening of the water storage tank, the water collecting capacity of the overflow groove is improved, the area below the overflow hole is an effective water storage tank by taking an overflow water level line as a boundary, the water is irrigated for the first time to be permeated to the overflow water level line, rainwater permeated under the ground surface is collected by the water collecting opening at the later stage and is stored in the effective water storage tank, wherein the position of the overflow water level line is different according to different planted plants, and the water energy in the effective water storage tank can effectively provide moisture guarantee for the growth of the plants for a long time;
s4: backfilling earthwork in the water storage tank, wherein when the earthwork is backfilled in the water storage tank, manually and carefully backfilling is adopted to prevent the environment-friendly impermeable geomembrane from being broken by the stones mixed with the earthwork, and backfilling to a cleaning surface elevation of S1 on the premise of not damaging the sealing property of the environment-friendly impermeable geomembrane;
s5: covering planting soil on the working surface layer, and covering planting mellow soil mixed with organic fertilizer on the surface layer backfilled in S4, wherein the thickness is 10 cm;
s6: planting plants, selecting the grassland annual bluegrass and the old mango wheat which have strong drought resistance, cold resistance, developed root system and high germination rate to be mixed sowed on the working surface layer covered with planting soil, wherein the sowing amount is 35g/m2(ii) a Reserving planting holes above the positions of the water storage tanks for planting drought-resistant and cold-resistant salix matsudana;
s7: covering a shading net, after the plants on the working surface layer are planted, uniformly spraying water mist until the humidity is kept more than 90%, immediately covering the shading net, and fixing by using wooden nails or binding wires;
s8: and (3) maintaining, namely monitoring the growth condition of the plants in the germination, lawn forming period and seedling rooting recovery period of the grass seeds, removing the shading net and the wooden nails when the grass on the working surface layer grows to 5-10 cm, spraying water twice in the morning and evening every day, strictly preventing solarization, topdressing according to the growth vigor of the plants, mainly using leaf fertilizers and quick-acting fertilizers, and simultaneously detecting and preventing plant diseases and insect pests.
The water-retaining green plant construction method can be applied to areas with water shortage and difficult maintenance.
Example 3
A water-retaining green plant construction method specifically comprises the following steps:
s1: cleaning the surface layer, wherein sandy soil on the surface layer is barren, so that nutrients beneficial to plant growth are deficient, the sandy soil on the surface layer on the original ground needs to be cleaned, and the cleaning thickness is 10 cm;
s2: excavating a water storage tank, namely excavating an inverted trapezoidal water storage tank according to design requirements, wherein the size of the water storage tank is designed according to the type of planted nursery stocks, excavating side ditches at the top of the water storage tank, and manually removing all rock blocks which possibly cause the jacking and damage of the environment-friendly impermeable geomembrane;
s3: paving an environment-friendly anti-seepage geomembrane, and paving a polyethylene material environment-friendly anti-seepage geomembrane along the inner wall from bottom to top in the finished inverted trapezoidal water storage tank so as to tightly combine the environment-friendly anti-seepage geomembrane with the water storage tank; paving the edge of the environment-friendly impermeable geomembrane on an excavated side ditch, backfilling by adopting earth and stones, and compacting the environment-friendly impermeable geomembrane; two side surfaces of the end part of the water storage tank are paved and blocked by adopting environment-friendly anti-seepage geomembranes; when the length of each environment-friendly anti-seepage geomembrane is not enough, performing tile-covering type patching, and overlapping the patching position by 5cm to ensure that no water is leaked; after the environment-friendly anti-seepage geomembrane is laid, an overflow hole is formed in the 2/3 position on the environment-friendly anti-seepage geomembrane on the side surface of the water storage tank according to the design requirement; the area 1/3 above the overflow hole is a water collecting opening of the water storage tank, the water collecting capacity of the overflow groove is improved, the area below the overflow hole is an effective water storage tank by taking an overflow water level line as a boundary, the water is irrigated for the first time to be permeated to the overflow water level line, rainwater permeated under the ground surface is collected by the water collecting opening at the later stage and is stored in the effective water storage tank, wherein the position of the overflow water level line is different according to different planted plants, and the water energy in the effective water storage tank can effectively provide moisture guarantee for the growth of the plants for a long time;
s4: backfilling earthwork in the water storage tank, wherein when the earthwork is backfilled in the water storage tank, manually and carefully backfilling is adopted to prevent the environment-friendly impermeable geomembrane from being broken by the stones mixed with the earthwork, and backfilling to a cleaning surface elevation of S1 on the premise of not damaging the sealing property of the environment-friendly impermeable geomembrane;
s5: covering planting soil on the working surface layer, and covering planting mellow soil mixed with organic fertilizer on the surface layer backfilled in S4, wherein the thickness is 10 cm;
s6: planting plants, working in covering planting soilThe surface layer is unicast by using the meadow bluegrass with strong drought resistance, cold resistance, developed root system and high germination rate, and the seeding amount is 35g/m2(ii) a Reserving planting holes above the position of the water storage tank for planting drought-resistant and cold-resistant shuttlecocks;
s7: covering a shading net, after the plants on the working surface layer are planted, uniformly spraying water mist until the humidity is kept more than 90%, immediately covering the shading net, and fixing by using wooden nails or binding wires;
s8: and (3) maintaining, namely monitoring the growth condition of the plants in the germination, lawn forming period and seedling rooting recovery period of the grass seeds, removing the shading net and the wooden nails when the grass on the working surface layer grows to 5-10 cm, spraying water twice in the morning and evening every day, strictly preventing solarization, topdressing according to the growth vigor of the plants, mainly using leaf fertilizers and quick-acting fertilizers, and simultaneously detecting and preventing plant diseases and insect pests.
The water-retaining green plant construction method can be applied to the areas where the vegetation is difficult to recover.
Example 4
A water-retaining green plant construction method specifically comprises the following steps:
s1: cleaning the surface layer, wherein sandy soil on the surface layer is barren, so that nutrients beneficial to plant growth are deficient, the sandy soil on the surface layer on the original ground needs to be cleaned, and the cleaning thickness is 10 cm;
s2: excavating a water storage tank, namely excavating an inverted trapezoidal water storage tank according to design requirements, wherein the size of the water storage tank is designed according to the type of planted nursery stocks, excavating side ditches at the top of the water storage tank, and manually removing all rock blocks which possibly cause the jacking and damage of the environment-friendly impermeable geomembrane;
s3: paving an environment-friendly anti-seepage geomembrane, and paving a polyethylene material environment-friendly anti-seepage geomembrane along the inner wall from bottom to top in the finished inverted trapezoidal water storage tank so as to tightly combine the environment-friendly anti-seepage geomembrane with the water storage tank; paving the edge of the environment-friendly impermeable geomembrane on an excavated side ditch, backfilling by adopting earth and stones, and compacting the environment-friendly impermeable geomembrane; two side surfaces of the end part of the water storage tank are paved and blocked by adopting environment-friendly anti-seepage geomembranes; when the length of each environment-friendly anti-seepage geomembrane is not enough, performing tile-covering type patching, and overlapping the patching position by 5cm to ensure that no water is leaked; after the environment-friendly anti-seepage geomembrane is laid, an overflow hole is formed in the 2/3 position on the environment-friendly anti-seepage geomembrane on the side surface of the water storage tank according to the design requirement; the area 1/3 above the overflow hole is a water collecting opening of the water storage tank, the water collecting capacity of the overflow groove is improved, the area below the overflow hole is an effective water storage tank by taking an overflow water level line as a boundary, the water is irrigated for the first time to be permeated to the overflow water level line, rainwater permeated under the ground surface is collected by the water collecting opening at the later stage and is stored in the effective water storage tank, wherein the position of the overflow water level line is different according to different planted plants, and the water energy in the effective water storage tank can effectively provide moisture guarantee for the growth of the plants for a long time;
s4: backfilling earthwork in the water storage tank, wherein when the earthwork is backfilled in the water storage tank, manually and carefully backfilling is adopted to prevent the environment-friendly impermeable geomembrane from being broken by the stones mixed with the earthwork, and backfilling to a cleaning surface elevation of S1 on the premise of not damaging the sealing property of the environment-friendly impermeable geomembrane;
s5: covering planting soil on the working surface layer, and covering planting mellow soil mixed with organic fertilizer on the surface layer backfilled in S4, wherein the thickness is 10 cm;
s6: planting plants, selecting old awn wheat, Chinese fescue and awnless brome with strong drought resistance, cold resistance, developed root system and high germination rate on a working surface layer covered with planting soil for mixed sowing, wherein the sowing amount is 35g/m2(ii) a Reserving planting holes above the positions of the water storage tanks for planting drought-resistant and cold-resistant Sabina przewalskii;
s7: covering a shading net, after the plants on the working surface layer are planted, uniformly spraying water mist until the humidity is kept more than 90%, immediately covering the shading net, and fixing by using wooden nails or binding wires;
s8: and (3) maintaining, namely monitoring the growth condition of the plants in the germination, lawn forming period and seedling rooting recovery period of the grass seeds, removing the shading net and the wooden nails when the grass on the working surface layer grows to 5-10 cm, spraying water twice in the morning and evening every day, strictly preventing solarization, topdressing according to the growth vigor of the plants, mainly using leaf fertilizers and quick-acting fertilizers, and simultaneously detecting and preventing plant diseases and insect pests.
The water-retaining green plant construction method can be applied to the areas where the vegetation is difficult to recover.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A water-retention green plant construction method is characterized by comprising the following steps:
s1: cleaning the surface layer, wherein sandy soil on the surface layer is barren, so that nutrients beneficial to plant growth are deficient, the sandy soil on the surface layer on the original ground needs to be cleaned, and the cleaning thickness is 10 cm;
s2: excavating the water storage tank, namely excavating the inverted trapezoidal water storage tank according to design requirements, excavating a side ditch at the top of the water storage tank, and manually removing all block stones which possibly cause the jacking and damage of the environment-friendly impermeable geomembrane;
s3: paving an environment-friendly anti-seepage geomembrane, and paving the environment-friendly anti-seepage geomembrane along the inner wall from bottom to top in the finished inverted trapezoidal water storage tank so as to tightly combine the environment-friendly anti-seepage geomembrane with the water storage tank; paving the edge of the environment-friendly impermeable geomembrane on an excavated side ditch, backfilling by adopting earth and stones, and compacting the environment-friendly impermeable geomembrane; two side surfaces of the end part of the water storage tank are paved and blocked by adopting environment-friendly anti-seepage geomembranes; when the length of each environment-friendly anti-seepage geomembrane is not enough, performing tile-covering type patching, and overlapping the patching position by 5cm to ensure that no water is leaked; after the environment-friendly anti-seepage geomembrane is laid, an overflow hole is formed in the 2/3 position on the environment-friendly anti-seepage geomembrane on the side surface of the water storage tank according to the design requirement; the area 1/3 above the overflow hole is a water collecting opening of the water storage tank, the area below the overflow hole is an effective water storage tank by taking an overflow water level line as a boundary, the water is irrigated for the first time to be permeated to the overflow water level line, rainwater permeated under the ground surface is collected by the water collecting opening at the later stage and is stored in the effective water storage tank, wherein the position of the overflow water level line is different according to different planted plants;
s4: backfilling earthwork in the water storage tank, wherein when the earthwork is backfilled in the water storage tank, manually and carefully backfilling is adopted to prevent the environment-friendly impermeable geomembrane from being broken by the stones mixed with the earthwork, and backfilling to a cleaning surface elevation of S1 on the premise of not damaging the sealing property of the environment-friendly impermeable geomembrane;
s5: covering planting soil on the working surface layer, and covering planting mellow soil mixed with organic fertilizer on the surface layer backfilled in S4, wherein the thickness is 10 cm;
s6: planting plants, namely planting local plant grass seeds or foreign plant grass seeds suitable for local areas, which have strong drought resistance and cold resistance, developed root systems and high germination rate, on a working surface layer covered with planting soil; reserving planting holes above the position of the water storage tank for planting drought-resistant and cold-resistant arbors or shrubs;
s7: covering a shading net, after the plants on the working surface layer are planted, uniformly spraying water mist until the humidity is kept more than 90%, immediately covering the shading net, and fixing by using wooden nails or binding wires;
s8: and (3) maintaining, namely monitoring the growth condition of the plants in the germination, lawn forming period and seedling rooting recovery period of the grass seeds, removing the shading net and the wooden nails when the grass on the working surface layer grows to 5-10 cm, spraying water twice in the morning and evening every day, strictly preventing solarization, topdressing according to the growth vigor of the plants, mainly using leaf fertilizers and quick-acting fertilizers, and simultaneously detecting and preventing plant diseases and insect pests.
2. The water-retaining green planting construction method as claimed in claim 1, wherein the size of the water storage tank is designed according to the type of the planted nursery stock.
3. The construction method for water-retaining green plants according to claim 1, wherein the impermeable geomembrane is polyethylene.
4. The water-retaining green planting construction method as claimed in claim 1, wherein the native grass planting grass species can be selected from Thalictrum aquilegifolium, Poa pratensis, Oenanthe strawberries, Festuca sinensis or bromus formosanus, and can be sowed in single or mixed mode, and the sowing rate is 35g/m2。
5. The application of the construction method for water retention green plants is characterized in that the construction method can be applied to arid areas in semi-desertification or areas where vegetation is difficult to recover due to water shortage and maintenance difficulty.
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| CN115633557A (en) * | 2022-11-15 | 2023-01-24 | 河北地矿建设工程集团有限责任公司 | Slag fertility improving method suitable for limestone slag greening |
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