CN105961120A - Mine ecological remediation and slope vegetation fast restoring method suitable for arid region - Google Patents
Mine ecological remediation and slope vegetation fast restoring method suitable for arid region Download PDFInfo
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- CN105961120A CN105961120A CN201610363256.8A CN201610363256A CN105961120A CN 105961120 A CN105961120 A CN 105961120A CN 201610363256 A CN201610363256 A CN 201610363256A CN 105961120 A CN105961120 A CN 105961120A
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- 238000003973 irrigation Methods 0.000 claims abstract description 6
- 230000002262 irrigation Effects 0.000 claims abstract description 6
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- 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
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
Abstract
The invention discloses a mine ecological remediation and slope vegetation fast restoring method suitable for the arid region. The method comprises a slope protection method and the steps that water collecting devices are arranged; soil improvement is carried out; vegetation configuration is carried out. Firstly, according to the through slope arrangement, mining slide slopes needing to be restored are subjected to step type slope cutting to be stabilized, an ecological catchwater is arranged on the inner side of each stage of a platform, and the steps are continuously provided with desilting basins and water collecting pits every other certain distance. Water collecting devices are mounted in the water collecting pits and connected with the desilting basins and the catchwaters, the other ends of the water collecting devices are provided with controllable drainage ports, the water collecting devices are connected with a slope irrigation system and used for collecting and fully and reasonably utilizing slope runoff, a dry season irrigation water source is provided, meanwhile, slope scouring is avoided, and water and soil losses are reduced. The platform and the slopes are all covered with earth, a planting pit is dug in each stage of the platform, the mode of ecological bags and ecological blankets is adopted in each stage of the slopes, a soil conditioner and foreign soil from other places are mixed, the planting pits, the ecological bags and the ecological blankets are filled with the mixture, and good water and fertilizer conditions are provided for plant growth. Proper trees brushes and grasses are selected to be distributed. The ground conditions of the side slopes are comprehensively improved, and side slope vegetations are restored to the natural ecological state.
Description
Technical field
The present invention relates to a kind of ecological reestablishment, particularly relate to one and be applicable to arid biogeographic zone ecological restoration of mine side slope vegetation
Quick recovery method.
Background technology
Along with mining, especially surface mining, take and destroy substantial amounts of land resource, have a strong impact on local area ecological
Environmental Health, pit, refuse dump, a large amount of discarded side slope of Tailings Dam generation, slope body is unstable, earth's surface is exposed and vegetation lacks
Weary etc. cause subside, avalanche, the serious geological disaster such as landslide, environmental pollution and other water such as big gas and water, soil
The environmental problems such as soil loss and two packing spaces sexual involution, cause ecology of mining areas system imbalance, seriously restriction local area ecological society
Economic sustainable development.
For arid biogeographic zone mine slope ecological problem, carry out many-sided research both at home and abroad, be concentrated mainly on side slope protection, plant
Afforested, soil matrix improvement, the aspect such as heavy metal pollution of soil, slope stability device, planting unit, collection are proposed
The patent of invention of the aspects such as rain device.Mainly include that cutting slope opens level, friction pile, retaining wall, grouts more than tradition side slope reparation
The solid slope measure such as slabstone skeleton, along with the universal of Ecological Concept and the development of recovery technique, ecological restoration of mine technology obtains
Fast development, mainly includes that the slope protection technology such as concrete frame, prestressed anchor cable frame, hollow brick and ecology are planted
By technology for recovering vegetation on slope such as blanket, ecological grouting, alien earth sparging, geotechnical grids.Publication No. CN103875481A
Chinese patent disclose reparation component and the restorative procedure of a kind of mine slope, by grid framework with comprise seed, base
Matter, the bag of repairing of base manure have preferable using effect to mine slope with a varied topography；Publication No.
The Chinese patent of CN103650968A discloses a kind of side slope dibbling plant device, and basis bag blue including child care, dry
The drought exposed earth's surface of semiarid region has preferable Effect of Ecological Restoration；The Chinese patent of Publication No. CN103299740A is public
Open a kind for the treatment of method for recovering mine wasteland vegetation, carry out vegetation repair by improvement suspension and alien earth sparging,
Soil ph can be improved, control heavy metal pollution；The Chinese patent of Publication No. CN103461070A discloses one
Plant arid growing area hillside fields collection rain drough-relief method and structure, longitudinal alley be set and laterally collect rain rill, solving Drought Mountain Area
The problem of irrigation water shortage.
Current patent and achievement in research complexity are various, for the subproblem of arid biogeographic zone mine slope restoration of the ecosystem, but mesh
Property the most single, repairing effect is comprehensive, has the problem such as ecological difference, low, the effect short-term of repair rate, it is impossible to from
Fundamentally solve arid biogeographic zone mine slope ecological problem.
Summary of the invention
It is an object of the invention to provide and a kind of integrate the suitable of slope protection, captation, soil improvement and vegetation arrangement
For arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method.
It is an object of the invention to be achieved through the following technical solutions:
The present invention is applicable to arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method, including following four parts: slope
Face means of defence, captation is set, carries out soil improvement, carry out vegetation arrangement；
Described slope protection method includes:
To the gradient more than 35 °, length of grade carry out step more than the side slope of 10m and cut slope, domatic with platform equal earthing 20-
30cm, the domatic long 8-10m of every one-level, lay 6-10 layer ecology bag at domatic toe, ecological blanket, every one-level are laid in top
Step platform width is 2-3 rice, excavation kind plant hole on platform, and platform offers intercepting ditch by inside toe；
The described captation that arranges includes:
Along described intercepting ditch every 20-30m excavation settling pit and catch pit, and captation is installed, described captation bag
Include water-collecting bag, connector, filter screen, inlet channel, butterfly check valve, water inlet, controllable water discharging hole, drainage pipeline；
Described carry out soil improvement and include:
Prepare soil conditioner, as improvement planting soil after it being mixed with strange land soil moved in improve the original, be filled in kind of a plant hole, ecology bag
With in ecological blanket, for side slope reparation；
The described vegetation arrangement that carries out includes:
Adding plant seed in the ecology bag of every domatic upper laying of one-level and ecological blanket to be chosen as filling grass class, every one-level step is put down
Planting the mixed friendship of plantation shrub in plant hole on platform, mixing grass seed is broadcasted sowing in sylvan life.
As seen from the above technical solution provided by the invention, it is raw that what the embodiment of the present invention provided is applicable to arid biogeographic zone mine
State repairs side slope vegetation quick recovery method, combines in terms of slope structure, soil improvement, making use of rain and flood, vegetation arrangement four
Conjunction carries out side slope reparation, improves side slope solid condition comprehensively, recovers structural stability and the natural ecosystems balance of side slope
Property, be suitable to the arid biogeographic zone fast quick-recovery of ecological restoration of mine side slope vegetation.
Accompanying drawing explanation
Fig. 1 is sloping surface arrangement and vegetation arrangement schematic diagram in the embodiment of the present invention.
The things that in Fig. 1, each label is corresponding is: 1 former line of slope；Line of slope after 2 arrangements；3 arrange backward step puts down
Platform；4 kinds of plant holes；5 ecological intercepting ditch；6 earthing；7 ecology bags；8 ecological blanket；9 U-shaped nails.
Fig. 2 is the captation schematic diagram related in inventive embodiments.
The things that in Fig. 2, each label is corresponding is: 10 cut slope backward step platform；11 is domatic；12 ecological intercepting ditch；
13 settling pits；14 catch pits；15 plastic sheetings；16 water-collecting bags；17 connectors (equipped with filter screen)；
18 water inlet pipes；19 butterfly check valves；20 water inlets；21 drain pipies；22 controllable water discharging hole.
In Fig. 2, inside label 13 settling pit and label 14 catch pit, lay geotextiles.
In Fig. 2, filter screen is installed at label 17 connector.
In Fig. 2, butterfly check valve is installed at label 19.
In Fig. 2, flowing water Valve is installed at label 22 controllable water discharging hole.
Detailed description of the invention
The embodiment of the present invention will be described in further detail below.
The present invention is applicable to arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method, its preferably specific embodiment party
Formula is:
Including following four parts: slope protection method, arrange captation, carry out soil improvement, carry out vegetation arrangement；
Described slope protection method includes:
To the gradient more than 35 °, length of grade carry out step more than the side slope of 10m and cut slope, domatic with platform equal earthing 20-
30cm, the domatic long 8-10m of every one-level, lay 6-10 layer ecology bag at domatic toe, ecological blanket, every one-level are laid in top
Step platform width is 2-3 rice, excavation kind plant hole on platform, and platform offers intercepting ditch by inside toe；
The described captation that arranges includes:
Along described intercepting ditch every 20-30m excavation settling pit and catch pit, and captation is installed, described captation bag
Include water-collecting bag, connector, filter screen, inlet channel, butterfly check valve, water inlet, controllable water discharging hole, drainage pipeline；
Described carry out soil improvement and include:
Prepare soil conditioner, as improvement planting soil after it being mixed with strange land soil moved in improve the original, be filled in kind of a plant hole, ecology bag
With in ecological blanket, for side slope reparation；
The described vegetation arrangement that carries out includes:
Adding plant seed in the ecology bag of every domatic upper laying of one-level and ecological blanket to be chosen as filling grass class, every one-level step is put down
Planting the mixed friendship of plantation shrub in plant hole on platform, mixing grass seed is broadcasted sowing in sylvan life.
In described slope protection method:
Described kind of plant hole diameter 60-80cm, deep 50-60cm, cave spacing are 2-3 rice；
Described intercepting ditch is ecological intercepting ditch, and section is trapezoidal, a size of go up bottom width 0.60m, lower bottom width 0.30m, deeply
Degree: 0.30m, head fall are 1.5%, inner side is laid geotextiles, is laid ecology bag on geotextiles.
Described arrange in captation:
Described settling pit size: long × wide × deep=1.2m × 1m × 0.5m, lays geotextiles, geotextiles inside settling pit
On lay agricultural plastic film, thickness is 0.02mm；
Described catch pit size: long × wide × deep=2m × 1.5m × 0.8m, lays geotextiles, geotextiles inside catch pit
On install water-collecting bag；
Described water-collecting bag is put in catch pit, and covering plastic thin film is in settling pit, and both are connected by inlet channel, mould
The connector of material film side is to be the water inlet of two different water levels, and internal equipped with filter screen, the interface of water-collecting bag side is
Water inlet, water inlet is provided with plastics butterfly check valve, and water-collecting bag opposite side connects drain pipe, and outer end is equipped with valve
Controllable water discharging hole be connected with domatic irrigation system.
Described carry out in soil improvement:
Described soil conditioner is made up of water-retaining agent, composite microbic bacterial fertilizer, and every cube of original state table soil or strange land soil moved in improve the original add
80g water-retaining agent, 500g composite microbic bacterial fertilizer.
Described carry out in vegetation arrangement:
Vegetation select be suitable to arid biogeographic zone growth seeds, draft be Herba Medicaginis, prairie milk vetch, rye grass, Artemisia frigida Willd., lyme grass,
Festuca Arundinacea, shrub select littleleaf peashrub, Herba Caraganae intermediae, Fructus Hippophae, Sabina vulgaris, arbor select Pinus sylvestnis var. mongolica Litv., string poplar, elm,
Dry land willow.
The mine slope disruption of ecological balance of arid biogeographic zone is a multiple problem, and therefore carrying out restoration of the ecosystem needs to consider respectively
Aspect factor, for arid biogeographic zone mine slope land occupation condition is poor and disruption of ecological balance is multiple, ecological reestablishment unicity
Problem, the calmodulin binding domain CaM hydrology of the present invention, geography, soil, geology, weather etc. consider, from stability of slope
The aspects such as property, water and soil resources comprehensive utilization, soil improvement, revegetation carry out comprehensive measure layout, to reach good
Ecological restoration of mine effect, in terms of slope structure, soil improvement, making use of rain and flood, vegetation arrangement four, comprehensively carry out limit
Slope is repaired, and improves side slope solid condition comprehensively, recovers structural stability and the natural ecosystems balance of side slope, is suitable to
The fast quick-recovery of arid biogeographic zone ecological restoration of mine side slope vegetation.
Carry out arid biogeographic zone mine slope restoration of the ecosystem by technical solution of the present invention, domatic land occupation condition can be improved comprehensively, logical
Cross consolidation and increase slope stability, reduce the erosion caused by sloping surfaces；By adding soil conditioner, improve soil liquid manure bar
Part, increases soil activation, creates good conditions for plant growing；By captation, fully collect and store domatic footpath
Stream, irrigates for slope vegetation and provides water source, it is achieved rain flood effectively utilizes；By reasonable vegetation arrangement so that it is whole with domatic
Reason and soil improvement adapt, and to reach fast quick-recovery vegetation, and make domatic to reach that long term structural is stable, ecological balance.
Specific embodiment:
As shown in Figure 1 and Figure 2, including four part processing methods, sloping surface arrangement, captation, soil improvement, vegetation are joined
Put.
1, slope protection, as it is shown in figure 1, to the gradient more than 35 °, the domatic length side slope (1) more than 10m carries out platform
Stepwise cuts slope, and every one-level domatic (2) height is 6-8m, lays 6-10 layer ecology bag at domatic toe, and ecology is laid in top
Blanket, every one-level step platform (3) width is 2-3m, excavation kind plant hole on platform, and platform offers intercepting ditch by inside toe
(5)。
1) for strengthening slope stability, and side slope protection function, the domatic ecology bag of minimum one-level can pile up two-layer by wrong stubble, raw
Two-layer laid by state blanket, is fixed with U-shaped nail；
2) planting plant hole diameter 60-80cm, deep 50-60cm, cave spacing is 2-3 rice；
3) intercepting ditch is ecological intercepting ditch, and section is trapezoidal, and geotextiles is laid in inner side, lays ecology bag on geotextiles,
A size of going up bottom width 0.60m, lower bottom width 0.30m, degree of depth 0.30m, head fall is 1.5%.
2 as in figure 2 it is shown, excavate settling pit (13) and catch pit (14) along ecological intercepting ditch every about 20-30m,
Captation is installed.
1) settling pit size: long × wide × deep=1.2m × 1m × 0.5m, lays geotextiles, geotextiles inside settling pit
On lay agricultural plastic film, thickness is 0.02mm；
2) catch pit size: long × wide × deep=2m × 1.5m × 0.8m, lays geotextiles, geotextiles inside catch pit
On install water-collecting bag；
3) captation is by water-collecting bag (16), connector (17), filter screen (17), inlet channel (18), butterfly
Formula check valve (19), water inlet (20), drainage pipeline (21), controllable water discharging hole (22) form；
4), during water-collecting bag (16) is put in catch pit (14), plastic sheeting (15) is layed in settling pit (13),
Both are connected by inlet channel (18), the water inlet that connector is two different water levels of plastic sheeting (15) side
(17), internal equipped with filter screen, the connector of water-collecting bag side is water inlet (20), is provided with plastics butterfly check valve
(19), water-collecting bag opposite side connect drain pipe (21), drain pipe outer end is stretched out domatic, arrange fill valvular controlled
Discharge outlet (22), can be connected with domatic irrigation system.
5) captation explanation:
Ecological intercepting ditch has certain head fall so that it is in the settling pit (13) of flow direction side；In settling pit
Lay geotextiles, there is antiseepage effect, geotextiles is laid agricultural plastic film (15), can clear up fast, easily
The sandy soil of deposition, and can change at any time；
Water inlet pipe (18) two ends connect the plastic sheeting (15) of settling pit by water inlet (17) with water inlet (20)
With the water-collecting bag (16) of catch pit, water inlet is slightly less than water inlet, it is simple to the water in settling pit flows into water-collecting bag；
Filter screen, mode silt, stone dry branches and fallen leaves blocking inlet channel are installed at water inlet；Plastics butterfly is installed in water inlet
Formula check valve, prevents the watery vomiting in water-collecting bag from flowing back to settling pit；
Two intake tunnels (18) are set according to different charge for remittance amounts, effectively regulate water level, it is to avoid single conduit alluvial is stifled
Plug；Catch pit (14) degree of depth is deeper than settling pit (13)；
Water-collecting bag opposite side connects drain pipe (21), and the drain pipe other end stretches out domatic, and discharge outlet is equipped with controlled valve
Controllable water discharging hole (22), be connected with domatic irrigation system；
In captation, each parts all can freely be dismantled, in order to can changing at any time when damaging occurs in certain parts.
3, prepare soil conditioner, as improvement planting soil after it being mixed with strange land soil moved in improve the original, be filled in kind of a plant hole, ecology
In bag and ecological blanket, for side slope reparation.
Soil conditioner is made up of water-retaining agent, composite microbic bacterial fertilizer, and every cube of original state table soil or strange land soil moved in improve the original add 80g to be protected
Water preparation, 500g composite microbic bacterial fertilizer.
4, vegetation arrangement is carried out for the sloping surface arrangement method in the present invention, the ecology bag of the domatic upper laying of every one-level and ecology
Adding plant seed in blanket to be chosen as filling grass class, in every one-level step platform, in kind plant hole, plantation shrub is mixed hands over, and sylvan life is spread
Broadcast mixing grass seed.
Vegetation select be suitable to arid biogeographic zone growth seeds, draft be Herba Medicaginis, prairie milk vetch, rye grass, Artemisia frigida Willd., lyme grass,
Festuca Arundinacea, shrub select littleleaf peashrub, Herba Caraganae intermediae, Fructus Hippophae, Sabina vulgaris, arbor select Pinus sylvestnis var. mongolica Litv., string poplar, elm,
Dry land willow.
The present invention compared with prior art has a following difference:
1) present invention system first propose a set of perfect arid biogeographic zone mine slope ecological reestablishment, by slope protection,
Making use of rain and flood, soil improvement, vegetation arrangement four aspect are arranged in pairs or groups combination mutually, comprehensive and systematic improve side slope land occupation condition, repair
Multiple effect is apparently higher than other side slope recovery techniques；
2) engineering measure and biological control measure are combined by the sloping surface arrangement method that the present invention proposes, ecology bag bank protection foot, ecological
Blanket bank protection is flexible strong, it is adaptable to various side slopes with a varied topography, relative to tradition side slope recovery technique, it is to avoid the hardest
There is while change good protective action, fast quick-recovery vegetation, reach pure natural, ecological repairing effect；
3) a kind of domatic captation of the proposition of novelty of the present invention, material is easy to get, and assembles simple, can effectively collect also
Storage slope runoff, reduces slope wash, provides water source for irrigating dry season, solves arid biogeographic zone mine and repairs water shortage problem,
Realize rain flood Appropriate application；
4) water-retaining agent is combined with composite microbic bacterial fertilizer and is used for arid biogeographic zone side slope reparation by the present invention, jointly improves soil moisture
Nutrient condition, improves soil activation, and two-way interaction promotes to play bigger effect each other, ties mutually with corresponding vegetation arrangement
Close；
5) corresponding vegetation is screened in the present invention sloping surface arrangement measure to proposing, and carries out vegetation arrangement, it is to avoid planting composition is not
When and at the bottom of the emergence rate that produces, the problem of survival rate.
The technical economic analysis of the application present invention:
(1) technical specification:
1) slope stability is increased；
2) improve soil moisture, nutrient condition, improve soil activation；
3) collect storage rainwash, it is provided that water source, improve side slope moisture condition；
4) vegetation emergence rate, germination percentage, survival rate, fast quick-recovery natural vegetation state are improved.
(2) economic indicator:
1) the management and maintenance cost that mine is repaired is reduced；
2) arid biogeographic zone mine slope restoration of the ecosystem irrigation cost is reduced；
3) reduce in slope ecological reparation because of at the bottom of emergence rate, the cost such as the vegetation after-culture that causes of mortality rate height.
4) captation raw material is easy to get, and assembles simple, reduces the cost of building water storage facilities.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change that can readily occur in or replace
Change, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with claims
Protection domain is as the criterion.
Claims (5)
1. one kind is applicable to arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method, it is characterised in that include following
Four parts: slope protection method, captation is set, carries out soil improvement, carry out vegetation arrangement；
Described slope protection method includes:
To the gradient more than 35 °, length of grade carry out step more than the side slope of 10m and cut slope, domatic with platform equal earthing 20-
30cm, the domatic long 8-10m of every one-level, lay 6-10 layer ecology bag at domatic toe, ecological blanket, every one-level are laid in top
Step platform width is 2-3 rice, excavation kind plant hole on platform, and platform offers intercepting ditch by inside toe；
The described captation that arranges includes:
Along described intercepting ditch every 20-30m excavation settling pit and catch pit, and captation is installed, described captation bag
Include water-collecting bag, connector, filter screen, inlet channel, butterfly check valve, water inlet, controllable water discharging hole, drainage pipeline；
Described carry out soil improvement and include:
Prepare soil conditioner, as improvement planting soil after it being mixed with strange land soil moved in improve the original, be filled in kind of a plant hole, ecology bag
With in ecological blanket, for side slope reparation；
The described vegetation arrangement that carries out includes:
Adding plant seed in the ecology bag of every domatic upper laying of one-level and ecological blanket to be chosen as filling grass class, every one-level step is put down
Planting the mixed friendship of plantation shrub in plant hole on platform, mixing grass seed is broadcasted sowing in sylvan life.
The most according to claim 1 being applicable to arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method, it is special
Levy and be, in described slope protection method:
Described kind of plant hole diameter 60-80cm, deep 50-60cm, cave spacing are 2-3 rice；
Described intercepting ditch is ecological intercepting ditch, and section is trapezoidal, a size of go up bottom width 0.60m, lower bottom width 0.30m, deeply
Degree: 0.30m, head fall are 1.5%, inner side is laid geotextiles, is laid ecology bag on geotextiles.
The most according to claim 1 being applicable to arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method, it is special
Levy and be, described arrange in captation:
Described settling pit size: long × wide × deep=1.2m × 1m × 0.5m, lays geotextiles, geotextiles inside settling pit
On lay agricultural plastic film, thickness is 0.02mm；
Described catch pit size: long × wide × deep=2m × 1.5m × 0.8m, lays geotextiles, geotextiles inside catch pit
On install water-collecting bag；
Described water-collecting bag is put in catch pit, and covering plastic thin film is in settling pit, and both are connected by inlet channel, mould
The connector of material film side is to be the water inlet of two different water levels, and internal equipped with filter screen, the interface of water-collecting bag side is
Water inlet, water inlet is provided with plastics butterfly check valve, and water-collecting bag opposite side connects drain pipe, and outer end is equipped with valve
Controllable water discharging hole be connected with domatic irrigation system.
The most according to claim 1 being applicable to arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method, it is special
Levy and be, described in carry out in soil improvement:
Described soil conditioner is made up of water-retaining agent, composite microbic bacterial fertilizer, and every cube of original state table soil or strange land soil moved in improve the original add
80g water-retaining agent, 500g composite microbic bacterial fertilizer.
The most according to claim 1 being applicable to arid biogeographic zone ecological restoration of mine side slope vegetation quick recovery method, it is special
Levy and be, described in carry out in vegetation arrangement:
Vegetation select be suitable to arid biogeographic zone growth seeds, draft be Herba Medicaginis, prairie milk vetch, rye grass, Artemisia frigida Willd., lyme grass,
Festuca Arundinacea, shrub select littleleaf peashrub, Herba Caraganae intermediae, Fructus Hippophae, Sabina vulgaris, arbor select Pinus sylvestnis var. mongolica Litv., string poplar, elm,
Dry land willow.
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