CN109287182B - Method for recovering vegetation in copper ore waste land - Google Patents
Method for recovering vegetation in copper ore waste land Download PDFInfo
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- CN109287182B CN109287182B CN201811160034.1A CN201811160034A CN109287182B CN 109287182 B CN109287182 B CN 109287182B CN 201811160034 A CN201811160034 A CN 201811160034A CN 109287182 B CN109287182 B CN 109287182B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- 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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Abstract
The invention provides a method for recovering vegetation in a copper ore waste land, and belongs to the technical field of ecological restoration and ecological engineering of degraded land. The method comprises the following steps: s1, land preparation and soil improvement: leveling the land, and improving the soil by using a base fertilizer and a chemical treatment mode; s2, plant configuration: selecting plant materials suitable for local growth, and reasonably collocating evergreen tree species and deciduous tree species according to the characteristics of seasonal variation; s3, vegetation construction: selecting high-quality seedlings which grow robustly for planting; and S4, tending management. Through the steps, the construction of the copper mine waste land from improvement to vegetation is realized, a whole set of complete vegetation recovery and self-maintenance system is formed, and the ecological environment of the metal mine waste land is effectively improved. The invention is based on the natural restoration concept, has higher vegetation coverage rate, saves energy, protects environment, has simple operation method, is convenient for construction, and has good popularization and application values.
Description
Technical Field
The invention belongs to the technical field of ecological restoration and ecological engineering of degraded land, and particularly relates to a method for recovering vegetation in copper ore waste land.
Background
This summary merely provides background information related to the present invention and does not necessarily constitute prior art.
Mine exploitation is one of the important activities of social and economic development since ancient times, and not only provides various precious raw materials for economic construction, such as nonferrous metals, minerals and the like, but also inevitably destroys the original landform and landform of the land, destroys the original vegetation, causes ecological environment degradation, aggravates water and soil loss, brings huge amounts of solid and liquid wastes, and finally forms a mine waste land.
Currently, ecological restoration of bare metal mine wastelands has become a worldwide problem, and establishing a stable self-sustaining vegetation is a great challenge. However, in view of the prior art, the current vegetation ecological restoration method for the abandoned mine land is usually large in investment cost, low in economic benefit, unobvious in restoration effect, and inapplicable to many areas because the vegetation cannot realize benign self-maintenance effect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for recovering vegetation in a copper ore waste land, which consists of four parts, namely a land arrangement and soil improvement part, a plant configuration technical part, a vegetation construction part and a tending management part in sequence, wherein the four parts are used for improving the copper ore waste land to construct vegetation to form a complete set of complete vegetation recovery and self-maintenance system, so that a feasible and efficient method is provided for improving the copper ore waste land.
The invention aims to provide a method for recovering vegetation in a copper ore waste land.
The second object of the present invention is to provide the application of the above method.
In order to achieve the purpose, the invention relates to the following technical scheme:
in a first aspect of the invention, there is provided a method for vegetation restoration of a copper ore wasteland, the method comprising:
step S1, land preparation and soil improvement: leveling the land, and improving the soil by using a base fertilizer and a chemical treatment mode;
s2, plant configuration: selecting plant materials suitable for local growth, and reasonably collocating evergreen tree species and deciduous tree species according to the characteristics of seasonal variation;
s3, vegetation construction: selecting high-quality seedlings which grow robustly for planting;
and S4, tending management.
In step S1, the land preparation and soil improvement specifically include:
s1.1, a land finishing technology, namely, according to special standing conditions of abandoned lands in mining areas, performing comprehensive land preparation before construction, and leveling high fill and low fill to ensure that the land tends to be level; the soil is physically treated to pick up large stones and reduce the content of gravel to the minimum;
s1.2, applying base fertilizers in the soil improvement technology, wherein the base fertilizers comprise composts, organic special fertilizers and/or green fertilizers, and the chemical treatment comprises soil acid-base regulators and/or soil conditioners;
in the step S2, plant configuration is carried out by reasonably collocating plant tree species according to the terrain of the restored mining area for cultivation and planting, specifically:
planting weeping willow or salix integra near the water accumulation area;
planting fructus Hippophae, fructus Elaeagni Angustifoliae, amorpha fruticosa, Sapium sebiferum, folium Sinomenii, radix Cudraniae Koenigii, Sophora japonica, Ailanthus altissima or Albizia Albizziae, and semen Ginkgo in high land;
planting metasequoia, pond fir, larch or weeping willow at the place with higher underground water level;
planting weeping willow or Chinese ash around the original mining area;
planting oleander, privet or sweet osmanthus on the four sides and at the intersection of the mining area.
In the step S3, the vegetation construction specifically includes:
step S3.1, in the water accumulation area, adopting a configuration mode of (oleander planted between weeping willows) + (glossy privet/cinnamomum camphora) + (Chinese tallow tree/Chinese flowering quince) + (goldenrain root/Chinese scholartree/ailanthus altissima) + (gingko/metasequoia); planting symmetrically on two sides of a rectangular mining area;
step S3.2, after the land in the mining area is cleared up, a configuration mode of (oleander + Chinese tallowtree + privet) + (paulownia/goldenrain/sun euphorbia herb) + (goldenrain/metasequoia/hybrid willow) + (ginkgo/cinnamomum camphora + privet + oleander) + (sea buckthorn/oleaster/amorpha fruticosa) is adopted;
wherein the content of the first and second substances,
in the step S3.1, the planting row number of the cinnamomum camphora is controlled within 2 rows;
in the step S3.2, the planting row number of the cinnamomum camphora is controlled within 3 rows;
hole-shaped soil preparation, wherein the specifications of broad-leaved tree planting holes are 80-100cm multiplied by 80cm multiplied by 60cm, and the planting row spacing is 4m multiplied by 3 m; the planting hole specification of the evergreen tree is 60-80cm multiplied by 60cm, the plant row spacing is 3m multiplied by 3m, and the plant row spacing is 2m multiplied by 3 m.
In step S4, the specific method for tending management is as follows: after planting, immediately watering root fixing water, righting and aligning, treading, and firmly supporting, uniformly covering an agricultural film, wherein the agricultural film is tightly covered by soil; and then carrying out water and fertilizer management, nursery stock protection and young forest management.
In the step S4, the thickness of the soil is controlled to be 4-5 cm.
In a second aspect of the invention, there is provided the use of the above method for remediation of a copper mine wasteland.
The invention has the beneficial effects that:
the method is reasonable in design, vegetation of the copper mine waste land is constructed by the method, and the tree species are reasonably matched and planted by planning the area of the waste land, so that the method is favorable for improving soil, establishing ecological landscape, maintaining biological diversity, improving ecological functions of maintaining water and soil, conserving water sources and the like, forming a complete set of vegetation recovery and self-maintenance system, and effectively improving the ecological environment of the metal mine waste land. The invention is based on the natural restoration idea, has higher vegetation coverage rate after treatment and restoration, has good self-maintenance effect, is energy-saving and environment-friendly, has simple operation method and convenient construction, and has good popularization and application values.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described above, the method for restoring vegetation ecology in metal mine wastelands has high investment cost, low economic benefit and insignificant restoration effect, and is therefore not suitable for many areas.
In view of the above, in an exemplary embodiment of the present invention, there is provided a method for vegetation restoration of a copper ore wasteland, the method comprising:
step S1, land preparation and soil improvement: leveling the land, and improving the soil by using a base fertilizer and a chemical treatment mode;
s2, plant configuration: selecting plant materials suitable for local growth, and reasonably collocating evergreen tree species and deciduous tree species according to the characteristics of seasonal variation;
s3, vegetation construction: selecting high-quality seedlings which grow robustly for planting;
and S4, tending management.
In yet another embodiment of the present invention,
in step S1, the land preparation and soil improvement specifically includes:
s1.1, a land finishing technology is adopted, according to special standing conditions of abandoned lands of mining areas, comprehensive land preparation is carried out before construction, and high filling is carried out to level the land, so that the land tends to be level; the soil is physically treated, large stones are picked up, the content of sand is reduced to the minimum degree, and the subsequent vegetation construction is facilitated; meanwhile, in the land leveling process, the stripped surface soil can be used as the soil dressing of the abandoned mine land, so that the cost of ecological restoration can be effectively reduced, and the ecological restoration process is accelerated;
s1.2, applying base fertilizers in the soil improvement technology, wherein the base fertilizers comprise composts, organic special fertilizers and/or green fertilizers, and the chemical treatment comprises soil acid-base regulators and/or soil conditioners;
in another embodiment of the present invention, in step S2, the plant configuration is to rationally allocate plant species to plant according to the terrain of the restored mining area, and to rationally allocate evergreen species and deciduous species to optimize the configuration according to the seasonal variation characteristics, so as to improve the soil and maintain the ecological function of the soil and water, and to create a better ecological landscape effect. The method specifically comprises the following steps: the water-wet-resistant broad-leaved trees are matched with evergreen trees, the lower layer of the broad-leaved forest is provided with evergreen shrub trees, and trees, shrubs and grasses are combined to form a composite plant community.
Further, weeping willow or salix integra is planted near the ponding area;
planting fructus Hippophae, fructus Elaeagni Angustifoliae, amorpha fruticosa, Sapium sebiferum, folium Sinomenii, radix Cudraniae Koenigii, Sophora japonica, Ailanthus altissima or Albizia Albizziae, and semen Ginkgo in high land;
planting metasequoia, pond fir, larch or weeping willow at the place with higher underground water level;
planting weeping willow or Chinese ash around the original mining area;
planting oleander, privet or sweet osmanthus on the four sides and at the intersection of the mining area. The inventor researches and discovers that the survival rate of tree species cultivation can be effectively improved, the diversity of plants can be improved, and the vegetation recovery efficiency can be improved by reasonably cultivating different tree species according to different terrain and terrains;
in another embodiment of the present invention, in step S3, the vegetation establishment specifically includes:
step S3.1, in the water accumulation area, adopting a configuration mode of (oleander planted between weeping willows) + (glossy privet/cinnamomum camphora) + (Chinese tallow tree/Chinese flowering quince) + (goldenrain root/Chinese scholartree/ailanthus altissima) + (gingko/metasequoia); planting symmetrically on two sides of a rectangular mining area;
step S3.2, after the land in the mining area is cleared up, a configuration mode of (oleander + Chinese tallowtree + privet) + (paulownia/goldenrain/sun euphorbia herb) + (goldenrain/metasequoia/hybrid willow) + (ginkgo/cinnamomum camphora + privet + oleander) + (sea buckthorn/oleaster/amorpha fruticosa) is adopted; the tree species are matched for planting according to local conditions, and meanwhile, better symbiotic relation can be formed among the commonly planted tree species, so that the survival rate of nursery stocks of various planted tree species can be effectively improved, and the vegetation restoration efficiency is accelerated;
in yet another embodiment of the present invention,
in the step S3.1, the planting row number of the cinnamomum camphora is controlled within 2 rows;
in the step S3.2, the planting row number of the cinnamomum camphora is controlled within 3 rows; the cinnamomum camphora is a evergreen arbor, has wide and extensive crown, dense branches and leaves, developed root system, developed main root, deep root and long survival period, and has strong capacities of smoking and dust retention, conserving water sources, fixing soil and preventing sand and beautifying the environment. But the water storage capacity is stronger, and the cultivation amount is too large, so the cultivation amount is not too large when the cultivation is carried out by matching with other tree species.
Hole-shaped soil preparation, wherein the specifications of broad-leaved tree planting holes are 80-100cm multiplied by 80cm multiplied by 60cm, and the planting row spacing is 4m multiplied by 3 m; the planting hole specification of the evergreen tree is 60-80cm multiplied by 60cm, the plant row spacing is 3m multiplied by 3m, and the plant row spacing is 2m multiplied by 3 m.
In another embodiment of the present invention, in step S3, a hole soil preparation method is adopted, the hardwood planting hole specification is 80-100cm × 80cm × 60cm, and the row spacing is 4m × 3 m; the planting hole specification of the evergreen tree is 60-80cm multiplied by 60cm, and the plant row spacing is 3m multiplied by 3 m; the specifications of the shrub planting holes are 60cm multiplied by 50cm, and the planting row spacing is 2m multiplied by 3 m.
In another embodiment of the present invention, in step S4, the specific method for tending management includes: after planting, immediately watering root fixing water, righting and aligning, treading, and firmly supporting, uniformly covering an agricultural film, wherein the agricultural film is tightly covered by soil; and then carrying out water and fertilizer management, nursery stock protection and young forest management.
In the step S4, the thickness of the soil is controlled to be 4-5 cm.
In still another embodiment of the present invention, there is provided the use of the above method for remediating a copper ore wasteland.
The invention is further illustrated by the following examples, which are not to be construed as limiting the invention thereto. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The test methods in the following examples, which are not specified under specific conditions, are generally carried out under conventional conditions.
Example 1
The test is carried out in the copper mine area of the Tongguan mountain in the city of Tongling, and is positioned in the middle of Anhui province and at the south bank of the middle and lower reaches of Yangtze river. The mineral resources in the area are rich, the mines are numerous, the mineral types are complete, the reserves are large, and the copper smelting method is one of the famous nonferrous metal bases and one of the six copper smelting bases in China. The coordinate positions are 30 degrees 46 'to 31 degrees 08' in northern latitude, 117 degrees 44 'to 118 degrees 09' in east longitude, where east is bordered by two counties of Mesona chinensis and Nanling, south is bordered by two counties of Qingyang and Guichi, northwest is adjacent to Yangtze river, and every other river is hoped for two counties of abies yang and nothing. The prefecture three areas (cupricopies, lion, suburbs) in the city of cuprum are the same as the prefecture of cuprum (cupricopies). The whole area is 1113 square kilometers, the total population is 65.4 ten thousand, and the non-agricultural population is 31.5 ten thousand.
The holy land belongs to a subtropical humid climate area, and has obvious seasonal climate characteristics. The weather is mild, the rainfall is abundant, the sunshine is sufficient, the rain is rainy in spring and summer, the summer is hot, the weather is mild in winter, the frost-free period is long, the average temperature of many years is 16.2 ℃, and the annual rainfall is 1390 mm. The average relative humidity of the whole year and month is 75-81%. The dominant wind direction throughout the year is northeastern wind, and then southwestern wind, and the average wind speed throughout the year is 3.1 m/s.
In 2016, a 180-mu ecological demonstration sample plate is established in the copper officer mountain mining area in the city of cuprum, and through vegetation restoration of the abandoned land in the mining area, the soil in the mining area is improved, the biological diversity and the ecological environment quality of the mining area are improved, and the ecological functions of forests and vegetation are enhanced. The specific vegetation construction measures are as follows:
1. land leveling and soil improvement: the copper-nickel-manganese ore abandoned land has collapse, and some of the copper-manganese ore abandoned land becomes a large water pit; however, the soil is acidic and not suitable for plant growth. Therefore, in the case of vegetation restoration, the degraded soil is to be improved. The main measures taken are: (A) the land finishing technology is characterized in that according to special land standing conditions of a waste land of a mining area, comprehensive land preparation is carried out before afforestation, and a bulldozer is used for leveling the height and filling the height to enable the land to tend to be level; the soil is physically treated to pick up large stones and to minimize the amount of grit. (B) The soil improvement and fertilization technology has the advantages that after soil preparation, soil is turned over greatly, and soil layer structures are seriously damaged. In order to improve the survival rate of afforestation, when the trees are planted, the holes of the trees are dug slightly larger, so that the improvement of soil and the fertilization are facilitated, wherein the soil is filled with soil for replacement, base fertilizer is applied, and chemical treatment such as gypsum application is performed to change the pH value of the soil. Applying a soil conditioner; the fertilizer is applied to compost, organic special fertilizer, green manure and the like. The measures are helpful for improving the soil fertility, improving the microbial activity of the soil, increasing the survival rate, the preservation rate and the growth amount of the forest and grass, and ensuring the success of vegetation restoration and ecological reconstruction in the mining area.
2. Selection of suitable plant materials: the tree species are reasonably matched according to the seasonal variation of the tree species, so that a better ecological landscape effect is created.
Aiming at the soil characteristics of the abandoned mine land and the existing environmental problems, plant materials with strong resistance, fast growth and high benefit are selected to achieve the aims of greening and improving the environment as soon as possible. Plant materials selected for afforestation such as trees: masson pine, slash pine, loblolly pine, paulownia, Chinese tallow tree, beech, sweetgum, juniper, mountain juniper, schizandra, willow, metasequoia, cedar, robinia, paper mulberry, winged pod wood, Chinese ash, cedars, oak, etc.; vines: parthenocissus tricuspidata, wisteria floribunda, winter rose and the like; herbaceous class: juncus effusus, medulla Junci, radix Phytolaccae, Typha orientalis, Sedum alfredii, Chrysanthemum indicum, Equisetum hiemale, Phragmites communis, Paspalum vaginatum, and Cynodon dactylon. The ecological function is satisfied, and the landscape effect in all seasons is created.
3. The quality of the nursery stock is as follows: the diameter of the arbor is more than 5cm, the soil ball is more than 25 cm, and the branch of the oleander is more than 4. Except that the gingko, the fir and the cedar can adopt lateral branch moderate repair, the rest arbors are cut off at the height of 1.5-2.2 meters uniformly, and strive to trim in a nursery stock production field.
4. And (3) vegetation construction mode: planting weeping willow or salix integra near the water accumulation area; planting fructus Hippophae, fructus Elaeagni Angustifoliae, amorpha fruticosa, Sapium sebiferum, folium Sinomenii, radix Cudraniae Koenigii, Sophora japonica, Ailanthus altissima or Albizia Albizziae, and semen Ginkgo in high land; planting metasequoia, pond fir, larch or weeping willow at the place with higher underground water level; planting weeping willow or Chinese ash around the original mining area; meanwhile, oleander, privet and sweet osmanthus are added on the four sides and at the intersection of the mining area. The water accumulation area adopts a configuration mode of (oleander planted between weeping willows) + (privet/camphor) + (Chinese tallow tree/Chinese holly leaf) + (yellow mountain goldenrain tree/Chinese scholar tree/ailanthus altissima) + (gingko/metasequoia); the rectangular mining area is symmetrically planted on two sides, wherein the planting row number of the cinnamomum camphora is controlled within 2 rows. After the land in the mining area is cleared up, a configuration mode of (oleander and tallowtree plus privet) + (paulownia/goldenrain root/sun euphorbia), and (goldenrain root/metasequoia/hybrid willow) + (gingko/cinnamomum camphora plus privet plus oleander), and (sea buckthorn/oleaster/amorpha fruticosa) is adopted, wherein the planting row number of the cinnamomum camphora is controlled within 3 rows. The deciduous tree species are planted before the bottom of 3 months, and the evergreen tree species are planted before the bottom of 4 months. It is generally required that forestation can be supplemented when the soil is wet after rain in spring (2-6 months) and autumn (9-10 months). Hole-shaped soil preparation, wherein the specifications of broad-leaved tree planting holes are 80-100cm multiplied by 80cm multiplied by 60cm, and the planting row spacing is 4m multiplied by 3 m; the planting hole specification of the evergreen tree is 60-80cm multiplied by 60cm, and the plant row spacing is 3m multiplied by 3 m; the specifications of the shrub planting holes are 60cm multiplied by 50cm, and the planting row spacing is 2m multiplied by 3 m.
5. Managing after planting: after planting, watering root fixing water thoroughly, righting and aligning, treading and supporting firmly, uniformly covering 1.5 m square agricultural films (thickness 1 silk), and tightly covering all the agricultural films with 5cm thick soil. The survival rate is guaranteed, fire and water are prevented, and artificial interference such as grazing and trampling is forbidden.
6. Vegetation recovery effect: in autumn of 2017, forest survival rate and growth amount are investigated in a core test area, the survival rate averagely reaches 87.5%, and the preservation rate reaches more than 82%; the main tree species grow well. The vegetation recovery effect is obvious, the soil property is improved, the soil fertility is recovered, and the surface runoff is reduced. Therefore, the soil of the mining area is effectively improved, and the regional landscape and the ecological environment are greatly improved.
Checking, accepting and filing
Inspection acceptance
The afforestation unit must make an afforestation planning design scheme in advance, construction can be carried out only after approval of a forestry administration, and the administration department checks and accepts main operation and main links, and the specific method is executed by referring to the rules of GB/T23231-.
Filing
And establishing an operation file after afforestation, wherein the content comprises the basic condition of the afforestation foundation, the planting condition of the nursery stock, the inspection and acceptance result, the pest control, the loss condition and the like, and the operation is specifically executed according to GB/T18337.3-2001.
It should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the examples given, those skilled in the art can modify the technical solution of the present invention as needed or equivalent substitutions without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. A method for vegetation restoration of a copper mine wasteland, the method comprising:
step S1, land preparation and soil improvement: leveling the land, and improving the soil by using a base fertilizer and a chemical treatment mode;
s2, plant configuration: selecting plant materials suitable for local growth, and reasonably collocating evergreen tree species and deciduous tree species according to the characteristics of seasonal variation;
s3, vegetation construction: selecting high-quality seedlings which grow robustly for planting;
s4, tending management;
in the step S2, plant configuration is carried out by matching plant trees according to the terrain of the restored mining area for cultivation and planting;
planting weeping willow or salix integra near the water accumulation area;
planting fructus Hippophae, fructus Elaeagni Angustifoliae, amorpha fruticosa, Sapium sebiferum, folium Sinomenii, radix Cudraniae Koenigii, Sophora japonica, Ailanthus altissima or Albizia julibrissin, and semen Ginkgo in upland area;
planting metasequoia, pond fir, larch or weeping willow at the place with higher ground water level;
planting weeping willow or Chinese ash on the periphery of the original mining area;
planting oleander, privet or sweet osmanthus on the four sides and at the intersection of the mining area;
in the step S3, the vegetation construction specifically includes:
step S3.1, in the water accumulation area, adopting a configuration mode of (oleander planted between weeping willows) + (glossy privet/cinnamomum camphora) + (Chinese tallow tree/Chinese flowering quince) + (goldenrain root/Chinese scholartree/ailanthus altissima) + (gingko/metasequoia); planting symmetrically on two sides of a rectangular mining area;
and 3.2, after the land in the mining area is cleared up, adopting a configuration mode of (oleander + Chinese tallowtree + privet) + (paulownia/goldenrain/sun euphorbia herb) + (goldenrain/metasequoia/hybrid willow) + (ginkgo/cinnamomum camphora + privet + oleander) + (sea buckthorn/oleaster/amorpha fruticosa).
2. The method for vegetation restoration of copper ore wasteland as claimed in claim 1, wherein the land preparation and soil improvement in step S1 specifically comprises:
s1.1, a land finishing technology is adopted, according to special standing conditions of abandoned lands of mining areas, comprehensive land preparation is carried out before construction, and high filling is carried out to level the land, so that the land tends to be level; the soil is physically treated to pick up large stones and reduce the content of gravel to the minimum;
s1.2, applying base fertilizer in the soil improvement technology comprises composting, organic special fertilizer and/or green manure, and chemically treating the base fertilizer by using a soil acid-base regulator and/or a soil conditioner.
3. The method for vegetation restoration of copper ore wasteland of claim 1,
in the step S3.1, the planting row number of the cinnamomum camphora is controlled within 2 rows;
in step S3.2, the planting row number of the cinnamomum camphora is controlled within 3 rows.
4. The method for recovering vegetation in copper ore waste lands as claimed in claim 1, wherein a hole soil preparation mode is adopted, and specifically, the specifications of broad-leaved tree planting holes are 80-100cm x 80cm x 60cm, and the row spacing is 4m x 3 m; the planting hole specification of the evergreen tree is 60-80cm multiplied by 60cm, and the plant row spacing is 3m multiplied by 3 m; the row spacing of the plants is 2m multiplied by 3 m.
5. The method for recovering vegetation in copper ore wasteland according to claim 1, wherein in said step S4, the specific method for nurturing management is: after planting, immediately watering root fixing water, righting and aligning, treading, and firmly supporting, uniformly covering an agricultural film, wherein the agricultural film is tightly covered by soil; and then carrying out water and fertilizer management, nursery stock protection and young forest management.
6. The method for recovering vegetation in copper ore wasteland according to claim 1, wherein the soil thickness is controlled to 4 to 5cm in the step S4.
7. Use of the method of any one of claims 1 to 6 for remediation of copper ore wastelands.
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| CN109906852B (en) * | 2019-03-06 | 2021-12-07 | 中国林业科学研究院亚热带林业研究所 | Water source area ecological protection forest construction method for non-point source pollution prevention and control |
| CN111788976A (en) * | 2019-04-09 | 2020-10-20 | 沈阳中科生态环境研究院有限公司 | Ecological restoration method for resource iron ore waste land |
| CN110178480A (en) * | 2019-07-04 | 2019-08-30 | 辽宁大学 | Mine production method for recovering vegetation |
| CN110238179A (en) * | 2019-07-15 | 2019-09-17 | 昆明理工大学 | A kind of pterylosis rush as pionner Acid mine discardedly it is multiple it is green in application and method |
| CN110665959A (en) * | 2019-11-11 | 2020-01-10 | 佛山科学技术学院 | Bare soil ecological restoration method |
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