CN109644783A - A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation - Google Patents
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation Download PDFInfo
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- CN109644783A CN109644783A CN201811585595.6A CN201811585595A CN109644783A CN 109644783 A CN109644783 A CN 109644783A CN 201811585595 A CN201811585595 A CN 201811585595A CN 109644783 A CN109644783 A CN 109644783A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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- Agricultural Chemicals And Associated Chemicals (AREA)
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Abstract
The present invention relates to ore mining traces technology for recovering vegetation field, and in particular to a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation specifically comprises the following steps: levelling of the land, earthing, fertilising, sows, rakes, overlay film and conventional managing and protecting.The advantages of this method is: (1) sowing kind and be suitable for high altitude localities, close with periphery vegetation environmental, cultivate maturing rate height, vegetation emergence rate can reach 70~95%, and plant height is up to 15~18cm；(2) type of seeding is simple, and earthing is carried out before the deslagging field revegetation of mining area, and the effect and thickness of earth covering of recovery are positively correlated；(3) top dressing in the base manure and maintenance processes of initial stages of restoration ensure that mining area deslagging field revegetation survival rate and good growth vigor；(4) mixed seeding of herbage builds group conducive to stabilization；After planting timely overlay film soil moisture conservation is conducive to plant germination emergence and vegetation restores as early as possible conducive to the water tariff collection of surface layer, the strong ultraviolet irradiation in reduction plateau and warming appropriate.
Description
Technical field
A kind of the present invention relates to ore mining traces technology for recovering vegetation field, and in particular to Qinghai-xizang Plateau Region copper mine deslagging
Field method for recovering vegetation.
Background technique
Ore mining abandons ground and refers to the non-soil not being available through administering destroyed by mining activity, can according to its source
It is divided into three types: first is that accumulating the discarded ground of the hillock formed by the barren rock and poor value of the surface soil, exploitation removed；Two
It is a large amount of mined out region and subsidence area formed with mineral mining, i.e. ground is discarded in exploitation hole；Third is that utilizing various sorting sides
Method sub-elects the residue after concentrate object and discharges the Disused tailing land to be formed.
Influence along with the Mining Wasteland of exploitation of mineral resources to environment be it is various, broken to Landscape
Bad, occupying to pollution and the influence in animals and plants habitat of environment etc. to land resource.Mining Wasteland is to ecological environment
Harm mainly has: (1) change of Landscape: destruction way of the mode to soil although strip mining transformation and two class of underground mining are dug up mine
Diameter, degree and mode difference, but all inevitably cause the change of Landscape.(2) a large amount of land resource is occupied: outdoor
Occupied land area of digging up mine is about as much as 5 times of stope area or more.(3) generation environment pollutes: in mining wastes
Acidity, alkalinity, toxicity or heavy metal component, by runoff and Atmospheric Diffusion can contaminant water, atmosphere, soil and biotic environment,
Range of its region influenced considerably beyond mining area.(4) surface collapse and Tectonic earthquake: mining industry is to the strong of geologic structure
Disturbance, is either being exploited or obsolete mine has the danger for generating surface collapse and Tectonic earthquake.(5) to biocoene
Destruction: can be it is frequently observed that biocoene can be caused by surveying the disturbance of earth's surface caused by mine, mining and underground in field
Very big harm, and many things are irreversible.
Various harm based on above-mentioned Mining Wasteland, Mining Wasteland is to the harm of environment and to Region Sustainable Development
Influence be increasingly subject to the attention of people, ecological recovery and to rebuild be countries in the world institute question of common concern.To mining industry
The recovery and improvement on discarded ground should focus on last effect and sustainability, be intended to from the ecological angle of recovery,
It is discarded to mining industry and carries out comprehensive improvement.Current main Mining Wasteland restoration methods have: (1) Mining Wasteland matrix changes
Good: medium of the soil as plant growth, physicochemical property and nutrition condition are the key that ecological recovery and reconstruction success or not.
Wherein, soil improvement by importing soil from other places and direct improved method are currently used Mining Wasteland base material improvement method.(2) Plants types choice: in mine
The initial stage of industry discarded ground vegetation restoration and reconstruction, floristic selection are most important.(3) application of microorganism: micro- life
Object is increasing the nutrient absorption of plant, is improving soil texture, reduction heavy metallic poison and to the in terms of tool of poor environment
There is immeasurable effect, the effect in vegetation restoration and reconstruction is more and more paid attention to.(4) revegetation method:
According to the difference of type and the difference of mining soil, specific method is specifically used.
The many ore mining slashes in Qinghai-Tibet Platean are located in the high mountain location in remote location, based on exposed stone matter interface, have steady
Fixed geologic structure need to only clear up float stone, keep original state, be not required to carry out side slope arrangement.But in revegetation, due to high and cold
Local climate is cold, and Growing season is short；Physico-geographical Zonation vegetation structure is simple, and endemic species commercialization number of species are less, exotic
Kind is difficult to adapt to；Soil development is young, coarse bone is strong, and soil layer is shallow, and Total Nutrient is abundant and available nutrient is poor；Ecosystem
System is fragile, and self-recovery ability is poor, once it is difficult to restore by destruction, and its pH of Qinghai-Tibet Different Soil is different,
For its pH range in 8.6-7.7 or so, this is the essential characteristic of the natural ecosystems on Qinghai-Tibet face, Qinghai-Tibet ore mining
Traces technology for recovering vegetation research integrated building should be carried out for these drawbacks, and at present to Qinghai-Tibet ore mining traces
The research of technology for recovering vegetation does not have systematic restoration methods.
Summary of the invention
Based on above-mentioned Qinghai-Tibet ore mining traces revegetation when there are the problem of, the present invention by unicast and mixed seeding,
The step of gradient fertilising, earthing, overlay film and directly sowed on flat slag muck grass-seed be test control group, design experiment sample
A kind of ground, it is desirable to provide Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation.
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation.Include the following steps: levelling of the land, earthing, apply
Fertilizer is sowed, is raked, overlay film and conventional managing and protecting, wherein the earthing is the mellow soil purchased, and thickness of earth covering is 5~15cm；Institute
The fertilising stated are as follows: diammonium makees base fertilizer, early June fertilising, and amount of application is 200~400kg/hm2；Urea and calcium superphosphate chase after
Fertilizer, application mid-July, amount of application is respectively 100~200kg/hm2With 100~200 kg/hm2；The sowing kind is more
Year life plateau herbage variety, seeding method are unicast and mixed seeding.
Further, the sowing kind is Qinghai Grassland annual bluegrass, Elymus nutans and Puccinellia tenuiflora.
Further, the mixed seeding is Qinghai Grassland annual bluegrass+Elymus nutans mixed seeding, the Puccinellia tenuiflora+fringe that hangs down drapes over one's shoulders alkali
Careless mixed seeding and Qinghai Grassland annual bluegrass+Elymus nutans+Puccinellia tenuiflora mixed seeding.
Further, the unicast application rate is 10~20 kg/hm2；Mixed seeding application rate is 20~30kg/hm2,
In, Qinghai Grassland annual bluegrass: Elymus nutans: Puccinellia tenuiflora=6:2:2 mixed proportion sowing；Qinghai Grassland annual bluegrass: hang down fringe
The sowing of lyme grass mixed seeding=6:4 mixed proportion；Puccinellia tenuiflora: Elymus nutans=6:4 mixed proportion sowing.
Further, described to rake after planting to be raked again with planting sample with agricultural rake in time, make the kind broadcasted sowing
Son buries 1~3cm below earth's surface, so that grass seed germinates in time, while not by wind separating test sample.
Further, the overlay film is to be located in expansion overlay film volume in overlay film sample using conventional agricultural overlay film, is laid in kind
It plants in the test plot completed, and fixing overlay film with small rod or handstone makes it not by wind from so that overlay film has shading, protects
It is warm to wait the effect for being conducive to growth.
Further, the routine is managed and protected, i.e. observation vegetation growth status, and moisture is replenished in time, and the increases such as top dressing are planted
Nutrient necessary to object is grown prevents the destruction of harmful toy and wild animal to ground is restored, and payes attention to restoring disease in ground plant
The erosion of insect pest, spraying pesticide when necessary, so as to restore ground vegetation health, fast quick-recovery.Meanwhile sampling analysis monitors sample at any time
Contents of heavy metal elements in ground plant, takes corresponding measure in time.
After the method for recovering vegetation of Qinghai-xizang Plateau Region copper mine deslagging field of the present invention, compared with the prior art, the present invention
Specific advantage are as follows:
(1) sowing kind is suitable for high altitude localities, close with periphery vegetation environmental, cultivates maturing rate height, vegetation emergence rate can
Reach 70~95%, plant height is up to 15~18cm；
(2) type of seeding is simple, and mining area deslagging field carries out earthing before carrying out revegetation, and the effect and thickness of earth covering restored are just
It is related；
(3) top dressing in the base manure and maintenance processes of initial stages of restoration ensure that vegetation in the field revegetation of Qinghai-Tibet mining area deslagging
Survival rate and good growth vigor；
(4) mixed seeding of plateau herbage builds group conducive to stabilization；After planting timely overlay film soil moisture conservation, conducive to surface layer water tariff collection, subtract
Few strong ultraviolet irradiation in plateau and warming appropriate, are conducive to plant germination emergence and vegetation restores as early as possible.
Specific embodiment
After a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation of the invention, from vegetation emergence rate and strain
The vital sign of high aspect carries out comparing (specific see Table 1 for details) with the vegetation growth characteristic of control group method plantation.
The changing rule of 1 Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation parameter index of table
Embodiment 1
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation, in turn includes the following steps:
(1) artificial smooth location, drainage ponding, in favor of with restoring sample levelling of the land: are combined using mechanical equipments such as loading machines
The healthy growth on middle plantation meadow；
(2) earthing: the mellow soil purchased, thickness of earth covering 5cm；
(3) apply fertilizer: diammonium makees base fertilizer, early June fertilising, amount of application 200kg/hm2；Urea and calcium superphosphate make top dressing, July
The middle ten days application, amount of application is respectively 100kg/hm2And 100kg/hm2；
(4) sow: seeding method is unicast, and it is perennial plateau herbage variety Qinghai Grassland annual bluegrass that kind is sowed in unicast；It broadcasts
Kind amount is 10 kg/hm2；
(5) it rakes: after planting to be raked again with planting sample with agricultural rake in time, making the seed burial broadcasted sowing below earth's surface
3cm, so that grass seed germinates in time, while not by wind separating test sample；
(6) overlay film: expansion overlay film volume is located in overlay film sample using conventional agricultural overlay film, is laid in the test plot that plantation is completed
On, and fixing overlay film with small rod or handstone makes it not by wind from so that the effect that there is overlay film shading, warming etc. to be conducive to growth
Fruit；
(4) conventional to manage and protect: moisture is replenished in time in observation vegetation growth status, and top dressing etc. increases nutrient necessary to plant growth,
The destruction of harmful toy and wild animal to ground is restored is prevented, payes attention to the erosion for restoring pest and disease damage in ground plant, sprays when necessary
Pesticide grown, so as to restore ground vegetation health, fast quick-recovery；Meanwhile the sample of sampling analysis monitoring at any time ground heavy metal element in plant
Content takes corresponding measure in time.
After dry farming Opius dimidiatus Ashmead mechanization mulch bunch planting cultural method of the present invention, maturing rate height, vegetation are cultivated
Emergence rate can reach 78%, and plant height is built group and stablized up to 15cm.
Embodiment 2
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation, in turn includes the following steps:
(1) artificial smooth location, drainage ponding, in favor of with restoring sample levelling of the land: are combined using mechanical equipments such as loading machines
The healthy growth on middle plantation meadow；
(2) earthing: the mellow soil purchased, thickness of earth covering 10cm；
(3) apply fertilizer: diammonium makees base fertilizer, early June fertilising, amount of application 240kg/hm2；Urea and calcium superphosphate make top dressing, July
The middle ten days application, amount of application is respectively 120kg/hm2With 120 kg/hm2；
(4) sow: seeding method is unicast, and it is perennial plateau herbage variety Puccinellia tenuiflora that kind is sowed in unicast；Application rate is
10 kg/hm2；
(5) it rakes: after planting to be raked again with planting sample with agricultural rake in time, making the seed burial broadcasted sowing below earth's surface
2cm, so that grass seed germinates in time, while not by wind separating test sample；
(6) overlay film: expansion overlay film volume is located in overlay film sample using conventional agricultural overlay film, is laid in the test plot that plantation is completed
On, and fixing overlay film with small rod or handstone makes it not by wind from so that the effect that there is overlay film shading, warming etc. to be conducive to growth
Fruit；
(7) conventional to manage and protect: moisture is replenished in time in observation vegetation growth status, and top dressing etc. increases nutrient necessary to plant growth,
The destruction of harmful toy and wild animal to ground is restored is prevented, payes attention to the erosion for restoring pest and disease damage in ground plant, sprays when necessary
Pesticide grown, so as to restore ground vegetation health, fast quick-recovery；Meanwhile the sample of sampling analysis monitoring at any time ground heavy metal element in plant
Content takes corresponding measure in time.
After dry farming Opius dimidiatus Ashmead mechanization mulch bunch planting cultural method of the present invention, maturing rate height, vegetation are cultivated
Emergence rate can reach 70%, and plant height is built group and stablized up to 16cm.
Embodiment 3
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation, in turn includes the following steps:
(1) artificial smooth location, drainage ponding, in favor of with restoring sample levelling of the land: are combined using mechanical equipments such as loading machines
The healthy growth on middle plantation meadow；
(2) earthing: the mellow soil purchased, thickness of earth covering 9cm；
(3) apply fertilizer: diammonium makees base fertilizer, early June fertilising, amount of application 280kg/hm2；Urea and calcium superphosphate make top dressing, July
The middle ten days application, amount of application is respectively 140kg/hm2With 140 kg/hm2；
(4) sow: seeding method is unicast, and it is perennial plateau herbage variety Elymus nutans that kind is sowed in unicast；Application rate
For 20 kg/hm2；
(5) it rakes: after planting to be raked again with planting sample with agricultural rake in time, making the seed burial broadcasted sowing below earth's surface
3cm, so that grass seed germinates in time, while not by wind separating test sample；
(6) overlay film: expansion overlay film volume is located in overlay film sample using conventional agricultural overlay film, is laid in the test plot that plantation is completed
On, and fixing overlay film with small rod or handstone makes it not by wind from so that the effect that there is overlay film shading, warming etc. to be conducive to growth
Fruit；
(7) conventional to manage and protect: moisture is replenished in time in observation vegetation growth status, and top dressing etc. increases nutrient necessary to plant growth,
The destruction of harmful toy and wild animal to ground is restored is prevented, payes attention to the erosion for restoring pest and disease damage in ground plant, sprays when necessary
Pesticide grown, so as to restore ground vegetation health, fast quick-recovery；Meanwhile the sample of sampling analysis monitoring at any time ground heavy metal element in plant
Content takes corresponding measure in time.
After dry farming Opius dimidiatus Ashmead mechanization mulch bunch planting cultural method of the present invention, maturing rate height, vegetation are cultivated
Emergence rate can reach 85%, and plant height is built group and stablized up to 18cm.
Embodiment 4
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation, in turn includes the following steps:
(1) artificial smooth location, drainage ponding, in favor of with restoring sample levelling of the land: are combined using mechanical equipments such as loading machines
The healthy growth on middle plantation meadow；
(2) earthing: the mellow soil purchased, thickness of earth covering 11cm；
(3) apply fertilizer: diammonium makees base fertilizer, early June fertilising, amount of application 320kg/hm2；Urea and calcium superphosphate make top dressing, July
The middle ten days application, amount of application is respectively 160kg/hm2With 160 kg/hm2；
(4) sow: seeding method is mixed seeding, and sowing kind is that the perennial plateau herbage variety Qinghai Grassland annual bluegrass+fringe that hangs down drapes over one's shoulders
Alkali grass mixed seeding；Application rate is 20 kg/hm2；Wherein, Qinghai Grassland annual bluegrass: Elymus nutans mixed seeding=6:4 mixed proportion is broadcast
Kind；
(5) it rakes: after planting to be raked again with planting sample with agricultural rake in time, making the seed burial broadcasted sowing below earth's surface
2cm, so that grass seed germinates in time, while not by wind separating test sample；
(6) overlay film: expansion overlay film volume is located in overlay film sample using conventional agricultural overlay film, is laid in the test plot that plantation is completed
On, and fixing overlay film with small rod or handstone makes it not by wind from so that the effect that there is overlay film shading, warming etc. to be conducive to growth
Fruit；
(7) conventional to manage and protect: moisture is replenished in time in observation vegetation growth status, and top dressing etc. increases nutrient necessary to plant growth,
The destruction of harmful toy and wild animal to ground is restored is prevented, payes attention to the erosion for restoring pest and disease damage in ground plant, sprays when necessary
Pesticide grown, so as to restore ground vegetation health, fast quick-recovery；Meanwhile the sample of sampling analysis monitoring at any time ground heavy metal element in plant
Content takes corresponding measure in time.
After dry farming Opius dimidiatus Ashmead mechanization mulch bunch planting cultural method of the present invention, maturing rate height, vegetation are cultivated
Emergence rate can reach 88%, and plant height is built group and stablized up to 16.5cm.
Embodiment 5
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation, in turn includes the following steps:
(1) artificial smooth location, drainage ponding, in favor of with restoring sample levelling of the land: are combined using mechanical equipments such as loading machines
The healthy growth on middle plantation meadow；
(2) earthing: the mellow soil purchased, thickness of earth covering 13cm；
(3) apply fertilizer: diammonium makees base fertilizer, early June fertilising, amount of application 360kg/hm2；Urea and calcium superphosphate make top dressing, July
The middle ten days application, amount of application is respectively 180kg/hm2With 180 kg/hm2；
(4) sow: seeding method is mixed seeding, and it is mixed for perennial plateau herbage variety Puccinellia tenuiflora+Elymus nutans to sow kind
It broadcasts；Application rate is 25 kg/hm2；Wherein, Puccinellia tenuiflora: Elymus nutans=6:4 mixed proportion sowing；
(5) it rakes: after planting to be raked again with planting sample with agricultural rake in time, making the seed burial broadcasted sowing below earth's surface
2cm, so that grass seed germinates in time, while not by wind separating test sample；
(6) overlay film: expansion overlay film volume is located in overlay film sample using conventional agricultural overlay film, is laid in the test plot that plantation is completed
On, and fixing overlay film with small rod or handstone makes it not by wind from so that the effect that there is overlay film shading, warming etc. to be conducive to growth
Fruit；
(7) conventional to manage and protect: moisture is replenished in time in observation vegetation growth status, and top dressing etc. increases nutrient necessary to plant growth,
The destruction of harmful toy and wild animal to ground is restored is prevented, payes attention to the erosion for restoring pest and disease damage in ground plant, sprays when necessary
Pesticide grown, so as to restore ground vegetation health, fast quick-recovery；Meanwhile the sample of sampling analysis monitoring at any time ground heavy metal element in plant
Content takes corresponding measure in time.
After dry farming Opius dimidiatus Ashmead mechanization mulch bunch planting cultural method of the present invention, maturing rate height, vegetation are cultivated
Emergence rate can reach 93%, and plant height is built group and stablized up to 17cm.
Embodiment 6
A kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation, in turn includes the following steps:
(1) artificial smooth location, drainage ponding, in favor of with restoring sample levelling of the land: are combined using mechanical equipments such as loading machines
The healthy growth on middle plantation meadow；
(2) earthing: the mellow soil purchased, thickness of earth covering 15cm；
(3) apply fertilizer: diammonium makees base fertilizer, early June fertilising, amount of application 400kg/hm2；Urea and calcium superphosphate make top dressing, July
The middle ten days application, amount of application is respectively 200kg/hm2With 200 kg/hm2；
(4) sow: seeding method is mixed seeding, and sowing kind is that the perennial plateau herbage variety Qinghai Grassland annual bluegrass+fringe that hangs down drapes over one's shoulders
Alkali grass+Puccinellia tenuiflora mixed seeding；Application rate is 30 kg/hm2；Wherein, Qinghai Grassland annual bluegrass: Elymus nutans: Puccinellia tenuiflora=
The mixed proportion of 6:2:2 is sowed；
(5) it rakes: after planting to be raked again with planting sample with agricultural rake in time, making the seed burial broadcasted sowing below earth's surface
3cm, so that grass seed germinates in time, while not by wind separating test sample；
(6) overlay film: expansion overlay film volume is located in overlay film sample using conventional agricultural overlay film, is laid in the test plot that plantation is completed
On, and fixing overlay film with small rod or handstone makes it not by wind from so that the effect that there is overlay film shading, warming etc. to be conducive to growth
Fruit；
(7) conventional to manage and protect: moisture is replenished in time in observation vegetation growth status, and top dressing etc. increases nutrient necessary to plant growth,
The destruction of harmful toy and wild animal to ground is restored is prevented, payes attention to the erosion for restoring pest and disease damage in ground plant, sprays when necessary
Pesticide grown, so as to restore ground vegetation health, fast quick-recovery；Meanwhile the sample of sampling analysis monitoring at any time ground heavy metal element in plant
Content takes corresponding measure in time.
After dry farming Opius dimidiatus Ashmead mechanization mulch bunch planting cultural method of the present invention, maturing rate height, vegetation are cultivated
Emergence rate can reach 95%, and plant height is built group and stablized up to 17.8cm.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.It is all within the principle of the present invention, it is made it is any modification, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation, successively the following steps are included: including the following steps: field
Ground is smooth, earthing, fertilising, sows, rake, overlay film and routine are managed and protected, which is characterized in that
The earthing is the mellow soil purchased, and thickness of earth covering is 5~15cm；
The fertilising are as follows: diammonium makees base fertilizer, early June fertilising, and amount of application is 200~400kg/hm2；Urea and calcium superphosphate
Make top dressing, application mid-July, amount of application is respectively 100~200kg/hm2With 100~200 kg/hm2；
The sowing kind is perennial plateau herbage variety, and seeding method is unicast and mixed seeding.
2. a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation according to claim 1, which is characterized in that institute
The sowing kind stated is Qinghai Grassland annual bluegrass, Elymus nutans and Puccinellia tenuiflora.
3. a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation according to claim 1, which is characterized in that institute
The mixed seeding stated is that Qinghai Grassland annual bluegrass+Elymus nutans mixed seeding, Puccinellia tenuiflora+Elymus nutans mixed seeding and Qinghai Grassland are precocious
Standing grain+Elymus nutans+Puccinellia tenuiflora mixed seeding.
4. a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation according to claim 1, which is characterized in that institute
The unicast application rate stated is 10~20 kg/hm2；Mixed seeding application rate is 20~30kg/hm2, wherein Qinghai Grassland annual bluegrass: hang down
Fringe lyme grass: Puccinellia tenuiflora=6:2:2 mixed proportion sowing；Qinghai Grassland annual bluegrass: Elymus nutans mixed seeding=6:4 mixing
Sown；Puccinellia tenuiflora: Elymus nutans=6:4 mixed proportion sowing.
5. a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation according to claim 1, which is characterized in that institute
That states rakes after planting to be raked again with planting sample with agricultural rake in time, make the seed burial broadcasted sowing 1 below earth's surface~
3cm。
6. a kind of Qinghai-xizang Plateau Region copper mine deslagging field method for recovering vegetation according to claim 1, which is characterized in that institute
The overlay film stated is to be located in expansion overlay film volume in overlay film sample using conventional agricultural overlay film, is laid in the test plot that plantation is completed,
And overlay film is fixed with small rod or handstone.
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