CN109601272A - A kind of slag, rubble quality slope vegetation restoration method - Google Patents
A kind of slag, rubble quality slope vegetation restoration method Download PDFInfo
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- CN109601272A CN109601272A CN201811637515.7A CN201811637515A CN109601272A CN 109601272 A CN109601272 A CN 109601272A CN 201811637515 A CN201811637515 A CN 201811637515A CN 109601272 A CN109601272 A CN 109601272A
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant 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
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/23—Wood, e.g. wood chips or sawdust
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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
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/27—Pulp, e.g. bagasse
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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
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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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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- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Cultivation Of Plants (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The present invention provides a kind of slag, rubble quality slope vegetation restoration method, and the restoration methods include that inner layer sows grass seeds by duster, applies thin soil layer and surface layer is sowed grass seeds by duster；The inner layer is sowed grass seeds by duster: by air pressure or pour hydraulic pressure by plant layer sow grass seeds by duster material be filled into slag, rubble quality side slope gap in, depth of cracking closure 10-50cm；It sows grass seeds by duster on the surface layer: one layer of anti-impact brush material of sowing grass seeds by duster.Using the method for the present invention, sow grass seeds by duster material can following infiltration filling rubble or slag gap, depth of cracking closure reach 10-50cm；Prevention forms cellular effect, and soil erosion rate reduces by 90% or more.
Description
Technical field
The present invention relates to a kind of slags, rubble quality slope vegetation restoration method, belong to environmental protection technical field.
Background technique
Slag, rubble side slope, which refer to, accumulates the slag muck formed or clitter surface layer slope surface by slag or rubble.This slope surface
A problem for repairing always wound repair is filled without substances such as soil, is planted since there are larger cavitys in rock piton body
Nutrient and water can not be absorbed by root system.Current Basic practice is all that earthing, soil moved in improve the original etc. is carried out to provide in slope surface to plant
Growing space.But by the way of traditional earthing sowing, since rubble, slagheap body are full of gap, powerful honeycomb is formed
Effect causes surface soil erosion.Meanwhile the poor adhesive capacity of overburden layer and heap body causes to come down easily by rain drop erosion.
The vegetation implantation methods of those of ordinary skill in the art's side slope have carried out a large amount of research, but apply above-mentioned class
The slope surface of type, effect are undesirable.
Patent CN201510543080.X it is a kind of using vegetable fiber blanket carry out slope vegetation protection method, use by
Layer is filling roadbed successively to sprawl and fixes vegetable fiber blanket, exists again after whole roadbed filling and vegetable fiber blanket covering to be done
Vegetable seeds is sowed on vegetable fiber blanket surface, covers thin soil, and water seasoning builds up vegetation；It uses for forming side slope in full slope surface
Sow grass-seed, then cover vegetable fiber blanket and conserve build up vegetation, by the above method, can reach as early as possible afforest slope surface, effectively
The effectiveness for controlling construction time soil erosion, enhancing construction time side slope protection.Although this method can fast quick-recovery slope greening,
It is the bringing soil erosion under control for highway subgrade slope, application foundation is that vegetable fiber blanket can satisfy to plant growing condition
Soil；If lacking the above-mentioned condition for meeting plant growth for rubble, the slope greening of slagheap body, being unable to supply plant
Object growth, causes plant can not long term growth.
The basalt fibre of patent CN201410172502.2 powdery soil slope combines antiscour construction of prevention work with polyvinyl alcohol
Method, including using silt, basalt fibre, three layers of modified polyvinylalcohol composite soil layered slope surface antiscour protective layer and its
Design and construction method, wherein surface layer protective layer: commonly sowing grass seeds by duster or alien earth sparging grass planting layer；Middle layer protective layer: silt, basalt
The mixed layer of staple fiber, modified polyvinylalcohol containing plant nutrition liquid；Ground shield layer: the mixing of silt, basalt long fiber
Layer.Mainly for powdery soil slope soil erosion phenomenon easily occurs under the conditions of rainfall erosion for the invention, has and meets low-carbon green
Environmental protection, construction is convenient, cheap, takes into account increasing surely, antiscour, greening integrated advantageous feature.The invention uses basalt
Staple fiber is preferable to the adhesive ability of powdery soil slope, but poor with the adhesion effect of slag, rubble；Due to rubble, slagheap body
Full of gap, powerful cellular effect is formed, causes surface soil erosion.Meanwhile the poor adhesive capacity of protective layer and heap body, easily
By rain drop erosion, cause to come down.
Method and structure of the patent CN201510287309.8 based on geotechnical grid and fibrous clay mixture,
The following steps are included: (1) smooth side slope surface, is laid with geotechnical grid in slope surface；(2) clay is crushed, then adds poly- third
Alkene reticular fibre, fertilizer and water are stirred, until mixture is in liquid-plastic state；(3) by mixture laying on side slope surface,
And it smoothes out；(4) it sows grass seeds by duster grass seeds in side slope surface, then covering curing geomembrane, then carries out nourishment.The invention side slope protection
Method has protection against erosion, prevents infiltrating, being retained heat preservation, be conducive to the multiple functions such as plant growth, i.e., before turf is not formed,
Slope surface can be protected from rain erosion, infiltrated, achieve the purpose that reinforcing side slope, beautify the environment.Mesh polypropylene-fibre and clay
Mixing is adhered to soil upper surface, forms improvement layer；But it is used for slag, rubble side slope, since there are larger skies in rock piton body
Chamber, is filled without substances such as soil, and vegetation root system can not absorb nutrient and water.
Composite fibre construction method in patent CN200510032542.8 high order granule series greening, including by wire netting by
Top of the slope to bottom of slope is unfolded, and drawing is hung on slope surface, and the laying metal mesh that top is fixed with Bower Anchor firmware sets anchoring according to slope pattern
Part adds the basal disc adhered in palisades slope surface for nutrition basal disc and adheres to platform, and the quality according to every square metre of construction surface is pure
1000-1600 grams of natural fiber, 800-1000 grams of humus, 25-35 grams of agent of high order granule, pure natural 30-45 grams of clay agent, kind
Sub- 120-150 grams, fertilizer 150-200 restrains standby nutrition basal disc, and five steps of nutrition basal disc of sowing grass seeds by duster.Utilize applying for the invention
Engineering method can effectively restore exposed slopes vegetation, reach purification air, reduce dust content, conserve water and soil, and protect two packing spaces
The purpose of property.The poor adhesive capacity of the invention nutriment and slope surface needs to be fixed by wire netting, also, if straight
It scoops out for slag or rubble deposition surface, the poor adhesive capacity with heap body causes to come down easily by rain drop erosion.
Patent CN200510080074.1 spray seeding substrate for naked rock slope ecotope recovery and preparation method thereof selects polyester
Or polyvinyl chloride fibre and according to the gradient of rock slope and thickness of sowing grass seeds by duster, the slenderness ratio and adding proportion of fiber are adjusted,
To replace cement and woody fiber, Herbaceous Fiber and biological bacteria as binder in base material mixture.Select polyester fiber or poly-
Vinyl chloride fibers not only can will not lead to the problem of and degrade over time to avoid the pH value of influence substrate as binding material,
There is very high intensity and pulling force simultaneously, considerably increase the scope of application of rock slope spray seeding technique.It sows grass seeds by duster substrate each component
Mass ratio be respectively: middle viscosity loam 65-80%, peat soil 16-30%, controlled-release fertilizer 1-5%, water-retaining agent 0.01-0.08%,
Binder 0.1-0.8%.The invention sows grass seeds by duster material suitable for bare rock slope, but if directly applying to slag or scree
Product surface forms powerful cellular effect, causes surface soil erosion since rubble, slagheap body are full of gap.
The slag of the prior art, there are following technical problems for rubble quality side slope reparation:
(1) traditional method of sowing grass seeds by duster, material of sowing grass seeds by duster can only cover surface, it is difficult to lower to seep；Since rubble, slagheap body are full of sky
Gap forms powerful cellular effect, causes surface soil erosion.
(2) poor adhesive capacity of material and heap body of sowing grass seeds by duster causes to come down easily by rain drop erosion.
(3) prior art slope surface spray seeding technique restore vegetation after, porosity reduce, be not achieved the reasonable water of plant growth,
Gas, solid ratio, unfavorable plant growth.
Summary of the invention
The present invention provides a kind of slags, rubble quality slope vegetation restoration method, to reach following goal of the invention:
Overcome material of sowing grass seeds by duster that can only cover surface, it is difficult to lower the problem of seeping；Meanwhile overcoming the adhesive capacity of sow grass seeds by duster material and heap body
Difference, not antiscour the problem of, and the low problem of material porosity of sowing grass seeds by duster.
To reach the purpose, the technical scheme is that
A kind of slag, rubble quality slope vegetation restoration method, the restoration methods include inner layer sow grass seeds by duster, apply thin soil layer with
And surface layer is sowed grass seeds by duster；The inner layer is sowed grass seeds by duster: by air pressure or being poured hydraulic pressure and will be planted layer material of sowing grass seeds by duster and be filled into slag, rubble matter
In the gap of ground side slope, depth of cracking closure 10-50cm；It sows grass seeds by duster on the surface layer: one layer of anti-impact brush material of sowing grass seeds by duster.
Plantation layer material of sowing grass seeds by duster includes following components: short wood-fibred, peat, compound fertilizer, adhesive, water-retaining agent,
Soil moved in improve the original and anti-impact brush material.
The anti-impact brush material includes following components: heat treatment wood-fibred, small porous particle, water-retaining agent, bioadhesive,
Degradable staple fibre.
The application thin soil layer: thin soil layer is with a thickness of 0-10cm.
The plantation layer is sowed grass seeds by duster material, in parts by weight, including following components: short wood-fibred 3-7 parts, 3-6 parts of peat,
Compound fertilizer 0-3 parts, 0-1 parts of adhesive, 0-1 parts of water-retaining agent, 80-100 parts of soil moved in improve the original and 3-7 parts of anti-impact brush material.
The water-retaining agent is microorganism water-retaining agent.
The short wood-fibred is bark or virgin fibers.
The degradable staple fibre: can use one of bamboo, timber, bagasse, cotton seed suede or it is a variety of for
Raw material.
After sowing grass seeds by duster, covered in one day using non-woven fabrics；Compacting fixation is carried out using U-shaped iron nail.
The non-woven fabrics is acrylic resin non-woven fabrics, and grammes per square metre is 15-40g/ ㎡.
Compared with prior art, technical solution of the present invention has the advantages that
(1) use the method for the present invention, sow grass seeds by duster material can following infiltrations fill rubble or slag gap, depth of cracking closure reach 10-50cm；
Prevention forms cellular effect, and soil erosion rate reduces by 90% or more.
(2) sow grass seeds by duster material and heap body adhesive capacity it is strong, erosion resistibility is significant.
(3) compared with traditional method for recovering vegetation, after restoring vegetation using the present invention, porosity improves 20% or more, protects
Outlet capacity is 2 times of conventional method, and soil shear strength is 4 times of conventional method, and fertility is 10 times of conventional method.Vegetation at
Motility rate is up to 90% or more, uniform at level ground, the maintenance cost after substantially reducing revegetation.
Specific embodiment
A kind of slag of embodiment 1, rubble quality slope vegetation restoration soil activating fibrous material
The raw material composition of soil activating fibrous material is as follows:
Soil activating fibrous material comprises the following components in parts by weight: 5 parts of short wood-fibred, 4 parts of peat, 1 part of compound fertilizer, adhesive
0.01 part, 0.01 part of water-retaining agent, 90 parts of soil moved in improve the original and 5 parts of anti-impact brush material.
Short wood-fibred is bark or virgin fibers, and length 10mm, diameter control is within 0.2mm.Fiber be mainly bark,
The elongate fibrous structures formed after log or the smart solution of agricultural crop straw heat, and staple fiber is formed by shearing.
Soil moved in improve the original material is preferential to select local high-quality cultivated plant soil based on local natural soil material, if working as without also can be selected
Ground massif saprolite or sylvogenic soil.
Water-retaining agent: for microorganism water-retaining agent.
Anti-impact brush material, including following components: heat treatment wood-fibred, water-retaining agent, bioadhesive, can drop at small porous particle
Solve staple fibre.
The heat treatment wood-fibred: length 1.5-2.5cm, diameter 0.05-0.15mm；The fiber content that length is 2 ㎝ >=
50%.The preparation method of the heat treatment wood-fibred: it is pyrolyzed and is formed under high-temperature and high-pressure conditions by bark, wood fragments etc.；High temperature and pressure
Condition: the high-temperature and high-pressure conditions: pressure is 345 kPas, and temperature is 193 DEG C.
The water-retaining agent: for microorganism water-retaining agent.
The bioadhesive: for the greening adhesive of market purchase.
Degradable staple fibre: raw material are line style natural polymer or derivatives thereof, are directly dissolved in solvent
Or it is dissolved in solvent generation weaving solution after being prepared into derivative, a variety of chemical fibres obtained are processed through spinning again later.Line
Type natural polymer or derivatives thereof can be bamboo, timber, bagasse, cotton seed suede.
Mixed material can be improved the anti-rain erosion of soil；
Reduce loss of the soil because of eluviation in rock crevice；
Adjusting liquid in soil moved in improve the original layer, gas, solid three Phase Proportions promotes crumb structure to be formed；
Improve the ability of soil nutrient composition and long-term fertilizer efficiency.
A kind of slag of embodiment 2, rubble quality slope vegetation restoration method
The restoration methods are directed to slag, rubble matter the earth's surface has the side slope of saprolite without soil or surface.
1, seed treatment
It sows grass seeds by duster and needs impregnate 24 hours with 30-40 DEG C of hot water in advance with seed, improve germination percentage.
The seed scheme for selecting sowing to combine, herbaceous seeds with one of rye grass, fescue grass, annual bluegrass, Bermuda grass or
Person is several to be applied in combination, and shrub seeds are with one of locust tree, false indigo, white popinac, prairie milk vetch or several are applied in combination.
2, it sows grass seeds by duster pre-treatment
(1) clear slope: should determine side slope job area before clear slope, and in operation boundary unwrapping wire, then by the weeds, broken in slope surface
Stone, surface dust etc. influence the eliminating impurities of engineering construction, and the side slope after cleaning answers even uniform, and the upper and lower gradient is almost the same, top of the slope
The round and smooth no corner angle of transition, bottom of slope and table top distinct are in geometric angle transition.Top of the slope must take anti-water erosion, erosion measure.
(2) slope surface is moistened:
It first sprinkles water to slope surface before sowing grass seeds by duster, is conducive to sow grass seeds by duster material and slope surface fitting after slope surface is wet.
3, it sows grass seeds by duster
It sows grass seeds by duster two layers, inner layer is plantation layer, and surface layer is anti-erosion layer.
(1) inner layer is sowed grass seeds by duster: by certain air pressure or pouring hydraulic pressure, plantation layer material of sowing grass seeds by duster is filled into slag, rubble
In the gap on quality side slope surface, depth of cracking closure 10-30cm；Make one layer of trophic fiber of metalling surface adhesion, is formed and be suitble to
The nutrition metalling of plant root growth.
Plantation layer material of sowing grass seeds by duster comprises the following components in parts by weight: 5 parts of short wood-fibred, 4 parts of peat, 1 part of compound fertilizer, bonding
0.01 part of agent, 0.01 part of water-retaining agent, 90 parts of soil moved in improve the original and 5 parts of anti-impact brush material.
(2) apply thin soil layer: after inner layer is sowed grass seeds by duster, surface apply thin soil layer, thin soil layer with a thickness of 5cm.
(3) surface layer is sowed grass seeds by duster: after applying thin soil layer, then anti-erosion layer of sowing grass seeds by duster；The material of sowing grass seeds by duster used is anti-impact brush material, spray
The amount of broadcasting is 400-500g/ ㎡；Effect is resistant to rain erosion and keeps moisture.Seed is sowed grass seeds by duster together with anti-impact brush material, seed
The amount of sowing grass seeds by duster be 30-40g/ ㎡；Seed is sufficiently impregnated before sowing grass seeds by duster, with sharp vernalization.
Anti-impact brush material, including ingredient: heat treatment wood-fibred, water-retaining agent, bioadhesive, small porous particle, degradable people
Make fiber.
4, it after the completion of sowing grass seeds by duster, is covered in one day using non-woven fabrics；Compacting fixation is carried out using U-shaped iron nail.
Non-woven fabrics is that acrylic resin is primary raw material, every square meter thickness 20-30g or so.
5, site clearing:
Finished jobs industry face, scene must not have the engineering material and tool of any abandonment, and construction site pollution is disposed, and nothing is applied
Work rubbish is left.
A kind of slag of embodiment 3, rubble quality slope vegetation restoration method
The restoration methods are directed to slag, rubble matter the earth's surface has the side slope of saprolite without soil or surface.
1, seed treatment
It sows grass seeds by duster and needs impregnate 24 hours with 30-40 DEG C of hot water in advance with seed, improve germination percentage.
The seed scheme for selecting sowing to combine, herbaceous seeds with one of rye grass, fescue grass, annual bluegrass, Bermuda grass or
Person is several to be applied in combination, and shrub seeds are with one of locust tree, false indigo, white popinac, prairie milk vetch or several are applied in combination.
2, it sows grass seeds by duster pre-treatment
(1) clear slope: should determine side slope job area before clear slope, and in operation boundary unwrapping wire, then by the weeds, broken in slope surface
Stone, surface dust etc. influence the eliminating impurities of engineering construction, and the side slope after cleaning answers even uniform, and the upper and lower gradient is almost the same, top of the slope
The round and smooth no corner angle of transition, bottom of slope and table top distinct are in geometric angle transition.Top of the slope must take anti-water erosion, erosion measure.
(2) slope surface is moistened:
It first sprinkles water to slope surface before sowing grass seeds by duster, is conducive to sow grass seeds by duster material and slope surface fitting after slope surface is wet；Slope surface surface layer water content
Reach 55-60%.
3, it sows grass seeds by duster
It sows grass seeds by duster two layers, inner layer is plantation layer, and surface layer is anti-erosion layer.
(1) inner layer is sowed grass seeds by duster: by certain air pressure or pouring hydraulic pressure, plantation layer material of sowing grass seeds by duster is filled into slag, rubble
In the gap on quality side slope surface, depth of cracking closure 30-50cm；Make one layer of trophic fiber of metalling surface adhesion, is formed and be suitble to
The nutrition metalling of plant root growth.
Plantation layer material of sowing grass seeds by duster comprises the following components in parts by weight: 5 parts of short wood-fibred, 4 parts of peat, 1 part of compound fertilizer, bonding
0.01 part of agent, 0.01 part of water-retaining agent, 90 parts of soil moved in improve the original and 5 parts of anti-impact brush material.
The short wood-fibred: length 10mm, diameter control is within 0.2mm.Preparation method: short wood-fibred is bark or original
Wood elongate fibrous structures for being formed after heat essence solution under the conditions of 248-251 DEG C of temperature, humidity 72-75%, and formed by shearing short
Fiber.
The peat: the content of organic matter 45%, pH 5.0-5.5, content of humic acid 28%, the same period, gap was in 28-
29%。
The compound fertilizer: nitrogen, phosphorus, potassium content are respectively the NpK complex fertilizer of 15-15-15, and total nutrient should mark
For total nutrient >=45.
Described adhesive: it is mixed by cyclodextrin and casein with the ratio of 2:5.
The water-retaining agent: it is mixed by VA Mycorrhizal Fungi and phosphorus-solubilizing bacteria with weight ratio for 1:3.
The soil moved in improve the original: for massif saprolite or sylvogenic soil.
The anti-impact brush material, including ingredient: heat treatment wood-fibred, bioadhesive, small porous particle, can drop at water-retaining agent
Solve staple fibre, mass ratio are as follows: 89:2:3:4:2.
The heat treatment wood-fibred: for length 1.5-2.5cm, diameter 0.05-0.15mm；Length is the fiber content of 2 ㎝
≥50%.The preparation method of the heat treatment wood-fibred: it is pyrolyzed and is formed under high-temperature and high-pressure conditions by bark, wood fragments etc.；High temperature is high
Press strip part: the high-temperature and high-pressure conditions: pressure is 345 kPas, and temperature is 193 DEG C.
The water-retaining agent: it is mixed for L-fucose and sesbania gum according to the mass ratio of 3:5.
The bioadhesive: it is mixed for turpentine oil and xanthan gum according to the mass ratio of 1:1.5.
The porous particle: for porous pelelith particle, partial size 0.5-1.2mm, porosity 76-79%.
The degradable staple fibre: being 12-15mm by the length that cotton linters is prepared into, and the synthetic cotton that fineness is 7D is fine
Dimension.
(2) apply thin soil layer: after inner layer is sowed grass seeds by duster, surface apply thin soil layer, thin soil layer with a thickness of 5cm.
(3) surface layer is sowed grass seeds by duster: after applying thin soil layer, then anti-erosion layer of sowing grass seeds by duster；The material of sowing grass seeds by duster used is anti-impact brush material, spray
The amount of broadcasting is 400-500g/ ㎡；Effect is resistant to rain erosion and keeps moisture.Seed is sowed grass seeds by duster together with anti-impact brush material, seed
The amount of sowing grass seeds by duster be 30-40g/ ㎡；Seed is sufficiently impregnated before sowing grass seeds by duster, with sharp vernalization.Antiscour material used by surface layer is sowed grass seeds by duster
Material is the same with the inner layer anti-impact brush material of sowing grass seeds by duster.
4, it after the completion of sowing grass seeds by duster, is covered in one day using non-woven fabrics；Compacting fixation is carried out using U-shaped iron nail.
Non-woven fabrics is that acrylic resin is primary raw material, every square meter thickness 20-30g or so.
5, site clearing:
Finished jobs industry face, scene must not have the engineering material and tool of any abandonment, and construction site pollution is disposed, and nothing is applied
Work rubbish is left.
Using above-mentioned method for recovering vegetation, vegetation high survival rate is uniform at level ground up to 94% or more, after construction 6 months, water and soil
Turnover rate only 1%.Compared with traditional method for recovering vegetation, water holding capacity is the 2 times or more of conventional method, and moisture-holding capacity reaches
15kg/㎡；After restoring vegetation using the present invention, the porosity of plant root 3-5cm depth improves 20% or more, reaches 42%；Soil
Body shearing strength is 4 times of conventional method, and fertility is 10 times of conventional method.
In addition to specified otherwise, percentage of the present invention is mass percent, and the ratio is mass ratio.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
It, for those skilled in the art, still can be with although describing the invention in detail with reference to the foregoing embodiments
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of slag, rubble quality slope vegetation restoration method, it is characterised in that: the restoration methods include inner layer spray
It broadcasts, apply thin soil layer and surface layer is sowed grass seeds by duster；The inner layer is sowed grass seeds by duster: by air pressure or being poured hydraulic pressure and will be planted layer material of sowing grass seeds by duster and fill out
Be charged to slag, rubble quality side slope gap in, depth of cracking closure 10-50cm；It sows grass seeds by duster on the surface layer: one layer of antiscour of sowing grass seeds by duster
Material.
2. a kind of slag according to claim 1, rubble quality slope vegetation restoration method, it is characterised in that:
Plantation layer material of sowing grass seeds by duster includes following components: short wood-fibred, peat, compound fertilizer, adhesive, water-retaining agent, soil moved in improve the original
With anti-impact brush material.
3. a kind of slag according to claim 1, rubble quality slope vegetation restoration method, it is characterised in that: described
Anti-impact brush material includes following components: heat treatment wood-fibred, small porous particle, water-retaining agent, bioadhesive, degradable artificial fibre
Dimension.
4. a kind of slag according to claim 1, rubble quality slope vegetation restoration method, it is characterised in that: described
Apply thin soil layer: thin soil layer is with a thickness of 0-10cm.
5. a kind of slag according to claim 1, rubble quality slope vegetation restoration method, it is characterised in that: described
Plantation layer is sowed grass seeds by duster material, in parts by weight, including following components: short wood-fibred 3-7 part, 3-6 parts of peat, compound fertilizer 0-3 parts, glue
0-1 parts of mixture, 0-1 parts of water-retaining agent, 80-100 parts of soil moved in improve the original and 3-7 parts of anti-impact brush material.
6. a kind of slag according to claim 2, rubble quality slope vegetation restoration method, it is characterised in that: described
Water-retaining agent is microorganism water-retaining agent.
7. according to claim 2 kind of slag, rubble quality slope vegetation restoration method, it is characterised in that: described is short
Wood-fibred is bark or virgin fibers.
8. a kind of slag according to claim 3, rubble quality slope vegetation restoration method, it is characterised in that: described
Degradable staple fibre: one of bamboo, timber, bagasse, cotton seed suede or a variety of for raw material can be used.
9. a kind of slag according to claim 1, rubble quality slope vegetation restoration method, it is characterised in that: after sowing grass seeds by duster,
It is covered in one day using non-woven fabrics；Compacting fixation is carried out using U-shaped iron nail.
10. a kind of slag according to claim 9, rubble quality slope vegetation restoration method, it is characterised in that: the nothing
Woven fabric is acrylic resin non-woven fabrics, and grammes per square metre is 15-40g/ ㎡.
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| CN115812471A (en) * | 2023-02-14 | 2023-03-21 | 内蒙古农业大学 | Vegetation recovery equipment for degraded mine |
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