CN115885777A - Ecological restoration method for abandoned lead-zinc mine - Google Patents
Ecological restoration method for abandoned lead-zinc mine Download PDFInfo
- Publication number
- CN115885777A CN115885777A CN202211191329.1A CN202211191329A CN115885777A CN 115885777 A CN115885777 A CN 115885777A CN 202211191329 A CN202211191329 A CN 202211191329A CN 115885777 A CN115885777 A CN 115885777A
- Authority
- CN
- China
- Prior art keywords
- ecological
- ecological restoration
- index
- module
- zinc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000002699 waste material Substances 0.000 claims abstract description 76
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 66
- 230000000694 effects Effects 0.000 claims abstract description 53
- 238000011156 evaluation Methods 0.000 claims abstract description 41
- 239000002689 soil Substances 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 241001093951 Ailanthus altissima Species 0.000 claims abstract description 14
- 235000010086 Setaria viridis var. viridis Nutrition 0.000 claims abstract description 14
- 235000001667 Vitex agnus castus Nutrition 0.000 claims abstract description 14
- 241001106462 Ulmus Species 0.000 claims abstract description 13
- 244000005700 microbiome Species 0.000 claims abstract description 13
- 241001412627 Adenophora liliifolia Species 0.000 claims abstract description 11
- 241001529849 Dracocephalum Species 0.000 claims abstract description 11
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 11
- 241001560086 Pachyrhizus Species 0.000 claims abstract description 9
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 244000063464 Vitex agnus-castus Species 0.000 claims abstract 3
- 241000196324 Embryophyta Species 0.000 claims description 75
- 230000000813 microbial effect Effects 0.000 claims description 60
- 230000004044 response Effects 0.000 claims description 54
- 239000011159 matrix material Substances 0.000 claims description 53
- 230000036541 health Effects 0.000 claims description 48
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea group Chemical group NC(=S)N UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 36
- 241000233866 Fungi Species 0.000 claims description 27
- 239000003205 fragrance Substances 0.000 claims description 24
- 238000005067 remediation Methods 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 22
- 239000002373 plant growth inhibitor Substances 0.000 claims description 19
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 230000008635 plant growth Effects 0.000 claims description 15
- 241000894006 Bacteria Species 0.000 claims description 13
- 244000304962 green bristle grass Species 0.000 claims description 13
- 238000003306 harvesting Methods 0.000 claims description 10
- 241000186361 Actinobacteria <class> Species 0.000 claims description 9
- 239000002028 Biomass Substances 0.000 claims description 9
- 102000004190 Enzymes Human genes 0.000 claims description 9
- 108090000790 Enzymes Proteins 0.000 claims description 9
- 230000002538 fungal effect Effects 0.000 claims description 9
- 230000008439 repair process Effects 0.000 claims description 7
- 239000003153 chemical reaction reagent Substances 0.000 claims description 6
- 239000000575 pesticide Substances 0.000 claims description 6
- 244000104272 Bidens pilosa Species 0.000 claims description 5
- 235000010662 Bidens pilosa Nutrition 0.000 claims description 5
- 244000017020 Ipomoea batatas Species 0.000 claims description 5
- 235000002678 Ipomoea batatas Nutrition 0.000 claims description 5
- 230000012010 growth Effects 0.000 claims description 5
- 230000035800 maturation Effects 0.000 claims description 5
- 241001633574 Adenophora stricta Species 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 244000000000 soil microbiome Species 0.000 claims description 3
- 230000035899 viability Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000001580 bacterial effect Effects 0.000 claims description 2
- 230000009758 senescence Effects 0.000 claims description 2
- 241000299680 Cynanchum otophyllum Species 0.000 claims 2
- 150000002500 ions Chemical class 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 244000230342 green foxtail Species 0.000 abstract 1
- 230000007306 turnover Effects 0.000 abstract 1
- 241000532412 Vitex Species 0.000 description 11
- 230000004083 survival effect Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 6
- 241000234643 Festuca arundinacea Species 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 235000010149 Brassica rapa subsp chinensis Nutrition 0.000 description 3
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 3
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 description 3
- 241000331432 Cynanchum wilfordii Species 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 235000002248 Setaria viridis Nutrition 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YDDUMTOHNYZQPO-UHFFFAOYSA-N 1,3-bis{[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}-4,5-dihydroxycyclohexanecarboxylic acid Natural products OC1C(O)CC(C(O)=O)(OC(=O)C=CC=2C=C(O)C(O)=CC=2)CC1OC(=O)C=CC1=CC=C(O)C(O)=C1 YDDUMTOHNYZQPO-UHFFFAOYSA-N 0.000 description 1
- SITQVDJAXQSXSA-CEZRHVESSA-N Cynarin Natural products O[C@@H]1C[C@@](C[C@H](O)[C@H]1OC(=O)C=Cc2ccc(O)c(O)c2)(OC(=O)C=Cc3cccc(O)c3O)C(=O)O SITQVDJAXQSXSA-CEZRHVESSA-N 0.000 description 1
- YDDUMTOHNYZQPO-RVXRWRFUSA-N Cynarine Chemical group O([C@@H]1C[C@@](C[C@H]([C@@H]1O)O)(OC(=O)\C=C\C=1C=C(O)C(O)=CC=1)C(O)=O)C(=O)\C=C\C1=CC=C(O)C(O)=C1 YDDUMTOHNYZQPO-RVXRWRFUSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229950009125 cynarine Drugs 0.000 description 1
- YDDUMTOHNYZQPO-BKUKFAEQSA-N cynarine Natural products O[C@H]1C[C@@](C[C@H](OC(=O)C=Cc2ccc(O)c(O)c2)[C@@H]1O)(OC(=O)C=Cc3ccc(O)c(O)c3)C(=O)O YDDUMTOHNYZQPO-BKUKFAEQSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 230000035040 seed growth Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Cultivation Of Plants (AREA)
Abstract
The invention belongs to the technical field of ecological restoration, and discloses an ecological restoration method for abandoned lead-zinc mines, which comprises the following steps: heavy metal detection module, host system module, turn over and plough module, planting module, waste residue waste water treatment module, restoration effect evaluation module, display module. According to the invention, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, pachyrhizus and moldavica dragonhead planted by the planting module have certain adsorption capacity on heavy metal ions, the heavy metal in soil can be reduced to a standard value after 3 years of planting, and the planting effect is obvious; meanwhile, indexes of various aspects of soil microorganisms are added through the restoration effect evaluation module to evaluate the ecological restoration degree of the abandoned lead-zinc mine, so that a decision basis is provided for the subsequent management and monitoring, the regional environment difference among different mining areas is eliminated, and the evaluation is more accurate.
Description
Technical Field
The invention belongs to the technical field of ecological restoration, and particularly relates to an ecological restoration method for a waste lead-zinc mine.
Background
Ecological remediation (ecological remediation) is a comprehensive method for remedying the polluted environment, which achieves the best effect and the lowest consumption by combining various physical remediation, chemical remediation and engineering technical measures and optimizing and combining under the guidance of the ecological principle and on the basis of bioremediation. The smooth implementation of ecological restoration requires the participation of multiple disciplines such as ecology, physics, chemistry, botany, microbiology, molecular biology, cultivation and environmental engineering. The restoration and maintenance of the damaged ecosystem relate to various ecological theories such as ecological stability, ecological plasticity, steady state transformation and the like; however, the existing ecological restoration method for the abandoned lead-zinc mine has poor effect on the mine planting restoration; meanwhile, the mine restoration effect cannot be accurately evaluated.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) The existing ecological restoration method for the abandoned lead-zinc mine has poor effect on the mine planting restoration.
(2) The mine restoration effect cannot be accurately evaluated.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an ecological restoration method for a waste lead-zinc mine.
The invention is realized in such a way that an ecological restoration method for abandoned lead-zinc mines comprises the following steps:
the device comprises a heavy metal detection module, a main control module, a plowing module, a planting module, a waste residue and wastewater treatment module, a restoration effect evaluation module and a display module;
the heavy metal detection module is connected with the main control module and used for detecting heavy metal data of the mine;
the main control module is connected with the heavy metal detection module, the plowing module, the planting module, the waste residue and wastewater treatment module, the restoration effect evaluation module and the display module and is used for controlling the modules to normally work;
the turning module is connected with the main control module and is used for turning over the mine;
the planting module is connected with the main control module and used for planting plants in the mine;
the waste residue and wastewater treatment module is connected with the main control module and is used for treating waste slag and wastewater pollution of the waste lead-zinc mine;
the repairing effect evaluation module is connected with the main control module and is used for evaluating the repairing effect of the mine;
and the display module is connected with the main control module and used for displaying the detected heavy metal data and the evaluation result.
Further, the planting module planting method comprises the following steps:
(1) Detecting a heavy metal pollution area of the mine by using detection equipment; planting specific plants with the capacity of enriching the heavy metals on the soil polluted by the heavy metals;
(2) When the specific plant grows to the growth period, spraying a specific plant growth inhibitor, when the specific plant grows to the maturation period, spraying a heavy metal pollution repair promoter, and harvesting in the senescence period of the specific plant to remove the heavy metal pollution.
Further, the specific plants having the ability to enrich heavy metals are two or more specific plants planted in sticktight, green bristlegrass herb, chaste tree twig, root of straight ladybell, ailanthus altissima, elm, sweet potato and moldavica dragonhead;
the ailanthus altissima and the elm do not need to be sprayed with a specific plant growth inhibitor and a heavy metal pollution remediation promoter, and only withered leaves are collected without harvesting; annual green bristlegrass, chastetree twigs, adenophora stricta, pachyrhizus and moldavica dragonhead are harvested from the root.
Further, the specific plant growth inhibitor is a cynarin, and the spraying mass concentration of the specific plant growth inhibitor is 0.2-0.6%;
the heavy metal pollution remediation accelerant is thiourea, the thiourea is commonly used with auxiliary bonding reagents commonly used in pesticides in the using process, and the spraying mass concentration of the thiourea is 0.9-1.3%.
Further, the heavy metal pollution remediation accelerant is thiourea, the thiourea is used together with a commonly used auxiliary bonding reagent in pesticides in the using process, and the spraying mass concentration of the thiourea is 0.9%.
Further, the repair effect evaluation module comprises:
1) Acquiring plant community information, microbial community information and ecological system health information in a sample obtained after ecological restoration of the waste lead-zinc mine through monitoring equipment;
2) Vegetation response information of the abandoned lead-zinc mine after ecological restoration is obtained according to the plant community information, microbial response information of the abandoned lead-zinc mine after ecological restoration is obtained according to the microbial community information, and ecological system health response information of the abandoned lead-zinc mine after ecological restoration is obtained according to the ecological system health information;
3) And obtaining an evaluation result of the ecological restoration effect of the abandoned lead-zinc mine according to the vegetation response information, the microbial response information and the ecological system health response information after the ecological restoration of the abandoned lead-zinc mine.
Further, in the step of obtaining the plant community information, the microbial community information and the ecosystem health information in the sample after the ecological restoration of the waste lead-zinc mine, the plant community data in the sample after the ecological restoration of the waste lead-zinc mine are obtained in the following manner:
obtaining the fragrance concentration-Vera index and the Simpson index and the uniformity index C1 of a plant community in a sample after ecological restoration of the waste lead-zinc mine;
obtaining plant community diversity data B1 of the abandoned lead-zinc mine after ecological restoration according to the Xiangnong-Weina index, the Simpson index and the uniformity index C1;
obtaining the plant height C2, biomass C3 and coverage C4 of a plant community in a sample of the waste lead-zinc mine after ecological restoration;
according to the plant height C2, the biomass C3 and the coverage C4, obtaining plant growth data B2 after ecological restoration of the waste lead-zinc mine;
and obtaining the plant community information according to the plant community diversity data B1 and the plant growth data B2.
Further, in the step of obtaining the plant community information, the microbial community information and the ecosystem health information of the sample after the ecological restoration of the waste lead-zinc mine, the microbial community information in the sample after the ecological restoration of the waste lead-zinc mine is obtained as follows:
obtaining soil bacteria chao1 and a fragrance concentration diversity index C5, fungi chao1 and a fragrance concentration diversity index C6, and AM fungi chao1 and a fragrance concentration diversity index C7 in a sample after ecological restoration of the waste lead-zinc mine;
obtaining microbial community diversity data B3 in soil after ecological restoration of the waste lead-zinc mine according to the bacteria chao1 and fragrance diversity index C5, the fungi chao1 and fragrance diversity index C6 and the AM fungi chao1 and fragrance diversity index C7;
obtaining the enzyme activity index C8 of soil after ecological restoration of the waste lead-zinc mine;
obtaining microbial activity data B4 of the soil after ecological restoration of the waste lead-zinc mine according to the enzyme activity index C8;
obtaining the number C9 of bacteria, actinomycetes and fungi which can culture microorganisms and the density C10 of AM fungal spores in soil after ecological restoration of the waste lead-zinc mine;
obtaining culturable microbial quantity data B5 of the soil after ecological restoration of the abandoned lead-zinc mine according to the culturable microbial quantity C9 of the bacteria, actinomycetes and fungi and the spore density C10 of the AM fungi;
the microbial community information is obtained according to the microbial community diversity data B3, the microbial viability data B4 and the culturable microbial quantity data B5.
Further, in the step of obtaining the plant community information, the microbial community information and the ecosystem health information in the sample after the ecological restoration of the waste lead-zinc mine, the ecosystem health information after the ecological restoration of the waste lead-zinc mine is obtained by the following method:
obtaining a VOR & CVOR comprehensive index C11 in a sample of the abandoned lead-zinc mine after ecological restoration;
obtaining ecological system health data of the sample after ecological restoration of the waste lead-zinc mine according to the VOR & CVOR comprehensive index C11;
and obtaining the health information of the ecological system according to the health data of the ecological system.
Further, the evaluation method further comprises the steps of:
determining a first weight value of each index of a sample obtained after ecological restoration of the waste lead-zinc mine; the vegetation response information, the microbial response information and the ecological system health response information are obtained according to the index values and the first weight value; the indices include: the plant height is C2, the biomass is C3, the coverage is C4, the bacterial chao1 and aroma diversity index is C5, the fungal chao1 and aroma diversity index is C6, the AM fungal chao1 and aroma diversity index is C7, the enzyme activity index is C8, the number of bacteria and actinomycetes and fungi culturable microorganisms is C9, the AM fungal spore density is C10 and the VOR & CVOR comprehensive index is C11;
determining second weight values of the vegetation response information, the microbial response information and the ecosystem health response information; the ecological restoration effect evaluation result of the abandoned lead-zinc mine is obtained according to the vegetation response information, the microbial response information, the ecological system health response information and the second weight value;
determining a first weight value and a second weight value of each index of a sample obtained after ecological restoration of the waste lead-zinc mine by an analytic hierarchy process;
the steps of determining the first weight value and the second weight value of each index of the sample after ecological restoration of the abandoned lead-zinc mine by an analytic hierarchy process comprise:
constructing a judgment matrix to obtain a group of judgment matrices of indexes of the sample after ecological restoration of the abandoned lead-zinc mine; obtaining a second judgment matrix of vegetation response information, microbial response information and ecological system health response information after ecological restoration of the abandoned lead-zinc mine;
a consistency checking step, namely comparing the importance degrees of any two initial weight values in the first judgment matrix to obtain the order of the importance degrees of all the initial weight values in the first judgment matrix; comparing the importance degrees of any two initial weight values in the second judgment matrix to obtain the order of the importance degrees of all the initial weight values in the second judgment matrix;
calculating each weight value, namely multiplying elements in each row in the first judgment matrix according to the rows to obtain a new column vector, opening each component of the new vector by the power of n, and normalizing the column vector to obtain the weight value corresponding to the index; multiplying elements of each line in the second judgment matrix according to the lines to obtain a new column vector, opening each component of the new column vector by the power of n, and normalizing the column vector to obtain a weight value corresponding to the information;
the steps of determining the first weight value and the second weight value of each index of the sample after ecological restoration of the abandoned lead-zinc mine by an analytic hierarchy process further comprise:
and a step of overall consistency check, which is to perform consistency check on the first judgment matrix and the second judgment matrix: calculating a consistency index CI of the first judgment matrix/the second judgment matrix:
wherein, λ max is the maximum eigenvalue, n is the dimension of the matrix, the average random consistency index RI is determined according to the size of n and the consistency ratio CR is calculated:
if CR <0.1, the consistency of the first judgment matrix/the second judgment matrix is passed; otherwise, the first judgment matrix/the second judgment matrix needs to be corrected.
In combination with the above technical solutions and the technical problems to be solved, please analyze the advantages and positive effects of the technical solutions to be protected in the present invention from the following aspects:
first, aiming at the technical problems existing in the prior art and the difficulty in solving the problems, the technical problems to be solved by the technical scheme of the present invention are closely combined with results, data and the like in the research and development process, and some creative technical effects are brought after the problems are solved. The specific description is as follows:
according to the invention, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, pachyrhizus and moldavica dragonhead planted by the planting module have certain adsorption capacity on heavy metal ions, the heavy metal in soil can be reduced to a standard value after 3 years of planting, and the planting effect is obvious; meanwhile, when the ecological restoration effect evaluation of the abandoned lead-zinc mine is carried out through the restoration effect evaluation module, the influence of plants, microorganisms and ecological system health information in the restoration evaluation is comprehensively considered, various indexes of soil microorganisms are added to evaluate the ecological restoration degree of the abandoned lead-zinc mine, a decision basis is provided for the later management and monitoring, the regional environment difference among different mining areas is eliminated, and the evaluation is more accurate.
Secondly, considering the technical scheme as a whole or from the perspective of products, the technical effect and advantages of the technical scheme to be protected by the invention are specifically described as follows:
according to the invention, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, pachyrhizus and moldavica dragonhead planted by the planting module have certain adsorption capacity on heavy metal ions, the heavy metal in soil can be reduced to a standard value after 3 years of planting, and the planting effect is obvious; meanwhile, when the restoration effect evaluation module is used for evaluating the ecological restoration effect of the abandoned lead-zinc mine, the influence of plants, microorganisms and ecological system health information on restoration evaluation is comprehensively considered, various indexes of soil microorganisms are added to evaluate the ecological restoration degree of the abandoned lead-zinc mine, a decision basis is provided for later management and monitoring, the regional environment difference among different mining areas is eliminated, and the evaluation is more accurate.
Drawings
Fig. 1 is a block diagram of an ecological restoration method for a waste lead-zinc mine provided by an embodiment of the invention.
Fig. 2 is a flowchart of a planting module planting method provided by an embodiment of the invention.
Fig. 3 is a flowchart of a repair effect evaluation module evaluation method according to an embodiment of the present invention.
In FIG. 1: 1. a heavy metal detection module; 2. a main control module; 3. a plowing module; 4. a planting module; 5. a waste residue and wastewater treatment module; 6. a restoration effect evaluation module; 7. and a display module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
1. Illustrative embodiments are explained. This section is an explanatory embodiment expanding on the claims so as to fully understand how the present invention is embodied by those skilled in the art.
As shown in fig. 1, the ecological restoration method for the abandoned lead-zinc mine provided by the embodiment of the present invention includes: the device comprises a heavy metal detection module 1, a main control module 2, a plowing module 3, a planting module 4, a waste residue and wastewater treatment module 5, a repair effect evaluation module 6 and a display module 7.
The heavy metal detection module 1 is connected with the main control module 2 and used for detecting heavy metal data of the mine;
the main control module 2 is connected with the heavy metal detection module 1, the ploughing module 3, the planting module 4, the waste residue and wastewater treatment module 5, the restoration effect evaluation module 6 and the display module 7 and is used for controlling the modules to work normally;
the ploughing module 3 is connected with the main control module 2 and is used for ploughing the mine;
the planting module 4 is connected with the main control module 2 and is used for planting plants in the mine;
the waste residue and wastewater treatment module 5 is connected with the main control module 2 and is used for treating waste slag and wastewater pollution of the waste lead-zinc mine;
the restoration effect evaluation module 6 is connected with the main control module 2 and is used for evaluating the restoration effect of the mine;
and the display module 7 is connected with the main control module 2 and used for displaying the detected heavy metal data and the evaluation result.
As shown in fig. 2, the planting module 4 provided by the invention has the following planting method:
s101, detecting a heavy metal pollution area of a mine through detection equipment; planting specific plants with the capacity of enriching the heavy metals on the soil polluted by the heavy metals;
s102, when the specific plant grows to a growth period, spraying a specific plant growth inhibitor, when the specific plant grows to a maturation period, spraying a heavy metal pollution repair promoter, and harvesting in a specific plant aging period to remove heavy metal pollution.
The specific plant with the ability of enriching the heavy metal provided by the invention is two or more specific plants of the cultivated sticktight, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, sweet potato and Chinese cabbage;
the ailanthus altissima and the elm do not need to be sprayed with a specific plant growth inhibitor and a heavy metal pollution remediation promoter, and only withered leaves are collected without harvesting; annual green foxtail fern, chastetree twigs, root of straight ladybell, pachyrhizus and moldavica dragonhead are harvested from the root.
The specific plant growth inhibitor provided by the invention is the cynanchum wilfordii, and the spraying mass concentration of the specific plant growth inhibitor is 0.2-0.6%;
the heavy metal pollution remediation accelerant is thiourea, the thiourea is used together with a commonly used auxiliary bonding reagent in pesticides in the using process, and the spraying mass concentration of the thiourea is 0.9-1.3%.
The heavy metal pollution remediation accelerant provided by the invention is thiourea, the thiourea is used together with an auxiliary bonding reagent commonly used in pesticides in the using process, and the spraying mass concentration of the thiourea is 0.9%.
As shown in fig. 3, the method for evaluating the repairing effect of the module 6 provided by the present invention is as follows:
s201, acquiring plant community information, microbial community information and ecological system health information in a sample of the abandoned lead-zinc mine after ecological restoration through monitoring equipment;
s202, vegetation response information after ecological restoration of the abandoned lead-zinc mine is obtained according to the plant community information, microbial response information after ecological restoration of the abandoned lead-zinc mine is obtained according to the microbial community information, and ecological system health response information after ecological restoration of the abandoned lead-zinc mine is obtained according to the ecological system health information;
s203, obtaining an evaluation result of the ecological restoration effect of the abandoned lead-zinc mine according to the vegetation response information, the microbial response information and the ecological system health response information after the ecological restoration of the abandoned lead-zinc mine.
In the step of obtaining the plant community information, the microbial community information and the ecological system health information in the sample after the ecological restoration of the waste lead-zinc mine, the plant community data in the sample after the ecological restoration of the waste lead-zinc mine are obtained in the following way:
obtaining the fragrance concentration-Vera index and the Simpson index and the uniformity index C1 of a plant community in a sample after ecological restoration of the waste lead-zinc mine;
obtaining plant community diversity data B1 of the abandoned lead-zinc mine after ecological restoration according to the Xiangnong-Weina index, the Simpson index and the uniformity index C1;
obtaining the plant height C2, biomass C3 and coverage C4 of a plant community in a sample of the waste lead-zinc mine after ecological restoration;
according to the plant height C2, the biomass C3 and the coverage C4, obtaining plant growth data B2 after ecological restoration of the waste lead-zinc mine;
and obtaining the plant community information according to the plant community diversity data B1 and the plant growth data B2.
In the step of obtaining the plant community information, the microbial community information and the ecological system health information of the sample after the ecological restoration of the waste lead-zinc mine, the microbial community information in the sample after the ecological restoration of the waste lead-zinc mine is obtained in the following way:
obtaining soil bacteria chao1 and a fragrance concentration diversity index C5, fungi chao1 and a fragrance concentration diversity index C6, and AM fungi chao1 and a fragrance concentration diversity index C7 in a sample after ecological restoration of the waste lead-zinc mine;
obtaining microbial community diversity data B3 in soil after ecological restoration of the waste lead-zinc mine according to the bacteria chao1 and fragrance diversity index C5, the fungi chao1 and fragrance diversity index C6 and the AM fungi chao1 and fragrance diversity index C7;
obtaining the enzyme activity index C8 of soil after ecological restoration of the waste lead-zinc mine;
obtaining microbial activity data B4 of the soil after ecological restoration of the waste lead-zinc mine according to the enzyme activity index C8;
obtaining the number C9 of bacteria, actinomycetes and fungi which can culture microorganisms and the density C10 of AM fungal spores in soil after ecological restoration of the waste lead-zinc mine;
obtaining culturable microbial quantity data B5 of the soil after ecological restoration of the abandoned lead-zinc mine according to the culturable microbial quantity C9 of the bacteria, actinomycetes and fungi and the spore density C10 of the AM fungi;
the microbial community information is obtained according to the microbial community diversity data B3, the microbial viability data B4 and the culturable microbial quantity data B5.
In the step of obtaining the plant community information, the microbial community information and the ecosystem health information in the sample after the ecological restoration of the waste lead-zinc mine, the ecosystem health information after the ecological restoration of the waste lead-zinc mine is obtained in the following way:
obtaining a VOR & CVOR comprehensive index C11 in a sample of the abandoned lead-zinc mine after ecological restoration;
obtaining ecological system health data of the sample after ecological restoration of the waste lead-zinc mine according to the VOR & CVOR comprehensive index C11;
and obtaining the health information of the ecological system according to the health data of the ecological system.
The evaluation method provided by the invention also comprises the following steps:
determining a first weight value of each index of a sample obtained after ecological restoration of the waste lead-zinc mine; the vegetation response information, the microbial response information and the ecological system health response information are obtained according to the index values and the first weight value; the indices include: the method comprises the following steps of (1) preparing a mixture of a fragrance-Vernah index and a Simpson index and a uniformity index C1, a plant height C2, biomass C3, a coverage degree C4, a bacteria chao1 and a fragrance diversity index C5, a fungus chao1 and a fragrance diversity index C6, an AM fungus chao1 and a fragrance diversity index C7, an enzyme activity index C8, a bacteria & actinomycetes & fungus culturable microorganism quantity C9, an AM fungus spore density C10 and a VOR & CVOR comprehensive index C11;
determining second weight values of the vegetation response information, the microbial response information and the ecosystem health response information; the ecological restoration effect evaluation result of the abandoned lead-zinc mine is obtained according to the vegetation response information, the microbial response information, the ecological system health response information and the second weight value;
determining a first weight value and a second weight value of each index of a sample obtained after ecological restoration of the waste lead-zinc mine by an analytic hierarchy process;
the step of determining a first weight value and a second weight value of each index of a sample obtained after ecological restoration of the abandoned lead-zinc mine by an analytic hierarchy process comprises the following steps:
constructing a judgment matrix to obtain a group of judgment matrices of each index of the sample after ecological restoration of the abandoned lead-zinc mine; obtaining a second judgment matrix of vegetation response information, microbial response information and ecological system health response information after ecological restoration of the abandoned lead-zinc mine;
a consistency checking step, namely comparing the importance degrees of any two initial weight values in the first judgment matrix to obtain the order of the importance degrees of all the initial weight values in the first judgment matrix; comparing the importance degrees of any two initial weight values in the second judgment matrix to obtain the order of the importance degrees of all the initial weight values in the second judgment matrix;
calculating each weight value, namely multiplying elements in each line in the first judgment matrix according to the lines to obtain a new column vector, opening each component of the new vector by the power of n, and normalizing the column vector to obtain the weight value corresponding to the index; multiplying elements of each line in the second judgment matrix according to the lines to obtain a new column vector, opening each component of the new column vector by the power of n, and normalizing the column vector to obtain a weight value corresponding to the information;
the steps of determining the first weight value and the second weight value of each index of the sample after ecological restoration of the abandoned lead-zinc mine by an analytic hierarchy process further comprise:
and a step of overall consistency check, which is to perform consistency check on the first judgment matrix and the second judgment matrix: calculating a consistency index CI of the first judgment matrix/the second judgment matrix:
wherein, λ max is the maximum eigenvalue, n is the dimension of the matrix, the average random consistency index RI is determined according to the size of n and the consistency ratio CR is calculated:
if CR <0.1, the consistency of the first judgment matrix/the second judgment matrix is passed; otherwise, the first judgment matrix/the second judgment matrix needs to be corrected.
2. Application examples. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is the application example of the technical scheme of the claims on specific products or related technologies.
Example 1:
the planting module 4 provided by the invention comprises the following planting methods:
s101, detecting a heavy metal pollution area of the mine through detection equipment; planting specific plants with the capacity of enriching the heavy metals on the soil polluted by the heavy metals;
s102, spraying a specific plant growth inhibitor when a specific plant grows to a growth period, spraying a heavy metal pollution remediation promoter when the specific plant grows to a maturation period, and harvesting in a specific plant aging period to remove heavy metal pollution.
The specific plant with the ability of enriching the heavy metal provided by the invention is two or more specific plants of the cultivated sticktight, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, sweet potato and Chinese cabbage;
the ailanthus altissima and the elm do not need to be sprayed with a specific plant growth inhibitor and a heavy metal pollution remediation promoter, and only withered leaves are collected without harvesting; annual green bristlegrass, chastetree twigs, adenophora stricta, pachyrhizus and moldavica dragonhead are harvested from the root.
The specific plant growth inhibitor provided by the invention is the cynanchum wilfordii element, and the spraying mass concentration of the specific plant growth inhibitor is 0.2%.
Example 2:
the planting module 4 provided by the invention comprises the following planting methods:
s101, detecting a heavy metal pollution area of the mine through detection equipment; planting specific plants with the capacity of enriching the heavy metals on the soil polluted by the heavy metals;
s102, when the specific plant grows to a growth period, spraying a specific plant growth inhibitor, when the specific plant grows to a maturation period, spraying a heavy metal pollution repair promoter, and harvesting in a specific plant aging period to remove heavy metal pollution.
The specific plant with the ability of enriching the heavy metal provided by the invention is two or more specific plants of the cultivated sticktight, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, sweet potato and Chinese cabbage;
the ailanthus altissima and the elm do not need to be sprayed with a specific plant growth inhibitor and a heavy metal pollution remediation promoter, and only withered leaves are collected without harvesting; annual green foxtail fern, chastetree twigs, root of straight ladybell, pachyrhizus and moldavica dragonhead are harvested from the root.
The specific plant growth inhibitor provided by the invention is the cynanchum wilfordii, and the spraying mass concentration of the specific plant growth inhibitor is 0.6%;
it should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portions may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus of the present invention and its modules may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, or software executed by various types of processors, or a combination of hardware circuits and software, e.g., firmware.
3. Evidence of the relevant effects of the examples. The embodiment of the invention achieves some positive effects in the process of research and development or use, and has great advantages compared with the prior art, and the following contents are described by combining data, diagrams and the like in the test process.
Detection method/test method
The water retention rate of the plant growth substrate is measured, and the plant growth substrate with high water retention rate is beneficial to plant growth; the survival rate of the festuca arundinacea is measured, the survival rate reflects the adaptation conditions of the festuca arundinacea seeds to the soil environment including the pH value, the temperature, the nutrients of the soil, the technical system of the soil, the permeability and the like to a certain extent, and the high survival rate of the festuca arundinacea indicates that the soil conditions are suitable for seed germination and growth.
The method for measuring the water retention rate of the plant growth substrate comprises the following steps: weighing 150g of plant growth substrate, putting the plant growth substrate into a cylindrical nylon cloth bag (with the diameter of 8cm and the height of 14 cm), weighing the nylon bag filled with the plant growth substrate, and calculating the weight as W0; placing the nylon bag filled with the plant growth matrix in a container filled with 2000ml of water, taking out the cloth bag after 15min, standing for 5min to prevent water drops from being generated, weighing the cloth bag filled with the plant growth matrix, and counting as W1; placing the cloth bag in a constant temperature blast drying oven, evaporating at constant temperature of 60 deg.C, taking out after 8 hr, weighing, and calculating as W2; water retention = (W2-W0)/(W1-W0)) × 100%.
The survival rate determination method comprises the following steps:
and (4) counting the survival rate of the festuca arundinacea two months after the seedling emergence of the festuca arundinacea is stable, wherein the survival rate is not larger than (the total number of the survival seeds/the total number of the tested seeds) multiplied by 100 percent.
TABLE 1 Performance test results
| Water retention (%) | Survival rate (%) | |
| Example 1 | 51.78 | 43.8 |
| Example 2 | 53.56 | 45.5 |
The combination of the embodiments 1 and 2 shows that the water retention rates of the embodiments 1 and 2 are high, which indicates that the mine ecological restoration system and the ecological restoration method of the embodiments 1 and 2 achieve better restoration effects, and the plant spraying quality concentration of the embodiment 2 is optimal.
According to the invention, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, pachyrhizus and moldavica dragonhead planted by the planting module have certain adsorption capacity on heavy metal ions, the heavy metal in soil can be reduced to a standard value after 3 years of planting, and the planting effect is obvious; meanwhile, when the ecological restoration effect evaluation of the abandoned lead-zinc mine is carried out through the restoration effect evaluation module, the influence of plants, microorganisms and ecological system health information in the restoration evaluation is comprehensively considered, various indexes of soil microorganisms are added to evaluate the ecological restoration degree of the abandoned lead-zinc mine, a decision basis is provided for the later management and monitoring, the regional environment difference among different mining areas is eliminated, and the evaluation is more accurate.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The ecological restoration method for the abandoned lead-zinc mine is characterized by comprising the following steps of:
the device comprises a heavy metal detection module, a main control module, a ploughing module, a planting module, a waste residue and wastewater treatment module, a restoration effect evaluation module and a display module;
the heavy metal detection module is connected with the main control module and used for detecting heavy metal data of the mine;
the main control module is connected with the heavy metal detection module, the plowing module, the planting module, the waste residue and wastewater treatment module, the restoration effect evaluation module and the display module and is used for controlling the modules to normally work;
the turning module is connected with the main control module and is used for turning over the mine;
the planting module is connected with the main control module and used for planting plants in the mine;
the waste residue and wastewater treatment module is connected with the main control module and is used for treating waste slag and wastewater pollution of the waste lead-zinc mine;
the repairing effect evaluation module is connected with the main control module and is used for evaluating the repairing effect of the mine;
and the display module is connected with the main control module and used for displaying the detected heavy metal data and the evaluation result.
2. The ecological restoration method for the abandoned lead-zinc mine according to claim 1, wherein the planting module planting method comprises the following steps:
(1) Detecting a heavy metal pollution area of the mine by using detection equipment; planting specific plants with the capacity of enriching the heavy metals on the soil polluted by the heavy metals;
(2) When the specific plant grows to the growth period, spraying a specific plant growth inhibitor, when the specific plant grows to the maturation period, spraying a heavy metal pollution repair promoter, and harvesting in the senescence period of the specific plant to remove the heavy metal pollution.
3. The ecological restoration method for the abandoned lead-zinc mine according to claim 2, wherein the specific plants having the ability to enrich the heavy metals are two or more specific plants selected from the group consisting of cultivated spanishneedles herb, green bristlegrass herb, chastetree fruit, root of straight ladybell, ailanthus altissima, elm, sweet potato and moldavica dragonhead;
the ailanthus altissima and the elm do not need to be sprayed with a specific plant growth inhibitor and a heavy metal pollution remediation promoter, and only withered leaves are collected without harvesting; annual green bristlegrass, chastetree twigs, adenophora stricta, pachyrhizus and moldavica dragonhead are harvested from the root.
4. The ecological restoration method for the abandoned lead-zinc mine according to claim 2, wherein the specific plant growth inhibitor is a cynanchum otophyllum, and the spraying mass concentration of the cynanchum otophyllum is 0.2-0.6%;
the heavy metal pollution remediation accelerant is thiourea, the thiourea is commonly used with auxiliary bonding reagents commonly used in pesticides in the using process, and the spraying mass concentration of the thiourea is 0.9-1.3%.
5. The ecological restoration method for the abandoned lead-zinc mine according to claim 2, wherein the heavy metal pollution restoration accelerant is thiourea, the thiourea is used together with auxiliary bonding reagents commonly used in pesticides during use, and the spraying mass concentration of the thiourea is 0.9%.
6. The ecological restoration method for the abandoned lead-zinc mine according to claim 1, wherein the restoration effect evaluation module comprises the following evaluation methods:
1) Acquiring plant community information, microbial community information and ecological system health information in a sample obtained after ecological restoration of the waste lead-zinc mine through monitoring equipment;
2) Vegetation response information after ecological restoration of the abandoned lead-zinc mine is obtained according to the plant community information, microbial response information after ecological restoration of the abandoned lead-zinc mine is obtained according to the microbial community information, and ecological system health response information after ecological restoration of the abandoned lead-zinc mine is obtained according to the ecological system health information;
3) And obtaining an evaluation result of the ecological restoration effect of the abandoned lead-zinc mine according to the vegetation response information, the microbial response information and the ecological system health response information after the ecological restoration of the abandoned lead-zinc mine.
7. The ecological remediation method for waste lead-zinc mines according to claim 6, wherein in the step of obtaining phytocommunity information, microbial community information and ecosystem health information in the samples of the ecological remediation of waste lead-zinc mines, the phytocommunity data in the samples of the ecological remediation of waste lead-zinc mines are obtained as follows:
obtaining the fragrance concentration-Vera index and the Simpson index and the uniformity index C1 of a plant community in a sample after ecological restoration of the waste lead-zinc mine;
obtaining plant community diversity data B1 of the abandoned lead-zinc mine after ecological restoration according to the Xiangnong-Weina index, the Simpson index and the uniformity index C1;
obtaining the plant height C2, biomass C3 and coverage C4 of a plant community in a sample of the waste lead-zinc mine after ecological restoration;
according to the plant height C2, the biomass C3 and the coverage C4, obtaining plant growth data B2 after ecological restoration of the waste lead-zinc mine;
and obtaining the plant community information according to the plant community diversity data B1 and the plant growth data B2.
8. The ecological remediation method for waste lead-zinc mines according to claim 6, wherein in the step of obtaining phytocoenosis information, microbial community information and ecosystem health information of the samples after ecological remediation of the waste lead-zinc mines, the microbial community information in the samples after ecological remediation of the waste lead-zinc mines is obtained as follows:
obtaining soil bacteria chao1 and a fragrance concentration diversity index C5, fungi chao1 and a fragrance concentration diversity index C6, and AM fungi chao1 and a fragrance concentration diversity index C7 in a sample after ecological restoration of the waste lead-zinc mine;
obtaining microbial community diversity data B3 in soil after ecological restoration of the waste lead-zinc mine according to the bacteria chao1 and fragrance diversity index C5, the fungi chao1 and fragrance diversity index C6 and the AM fungi chao1 and fragrance diversity index C7;
obtaining the enzyme activity index C8 of soil after ecological restoration of the waste lead-zinc mine;
obtaining microbial activity data B4 of soil after ecological restoration of the waste lead-zinc mine according to the enzyme activity index C8;
obtaining the number C9 of bacteria, actinomycetes and fungi which can culture microorganisms and the density C10 of AM fungal spores in soil after ecological restoration of the waste lead-zinc mine;
obtaining culturable microbial quantity data B5 of the soil after ecological restoration of the abandoned lead-zinc mine according to the culturable microbial quantity C9 of the bacteria, actinomycetes and fungi and the spore density C10 of the AM fungi;
and obtaining the microbial community information according to the microbial community diversity data B3, the microbial viability data B4 and the culturable microbial quantity data B5.
9. The ecological remediation method for the waste lead-zinc mine as claimed in claim 6, wherein in the step of obtaining the phytogenic community information, the microbial community information and the ecosystem health information in the sample after ecological remediation of the waste lead-zinc mine, the ecosystem health information after ecological remediation of the waste lead-zinc mine is obtained by:
obtaining a VOR & CVOR comprehensive index C11 in a sample of the abandoned lead-zinc mine after ecological restoration;
obtaining ecological system health data of the sample after ecological restoration of the waste lead-zinc mine according to the VOR & CVOR comprehensive index C11;
and obtaining the health information of the ecological system according to the health data of the ecological system.
10. The ecological restoration method for the abandoned lead-zinc mine according to claim 6, wherein the evaluation method further comprises the following steps:
determining a first weight value of each index of a sample obtained after ecological restoration of the waste lead-zinc mine; the vegetation response information, the microbial response information and the ecological system health response information are obtained according to the index values and the first weight value; the indices include: the plant height is C2, the biomass is C3, the coverage is C4, the bacterial chao1 and aroma diversity index is C5, the fungal chao1 and aroma diversity index is C6, the AM fungal chao1 and aroma diversity index is C7, the enzyme activity index is C8, the number of bacteria and actinomycetes and fungi culturable microorganisms is C9, the AM fungal spore density is C10 and the VOR & CVOR comprehensive index is C11;
determining second weight values of the vegetation response information, the microbial response information and the ecosystem health response information; the ecological restoration effect evaluation result of the abandoned lead-zinc mine is obtained according to the vegetation response information, the microbial response information, the ecological system health response information and the second weight value;
determining a first weight value and a second weight value of each index of a sample obtained after ecological restoration of the waste lead-zinc mine by an analytic hierarchy process;
the steps of determining the first weight value and the second weight value of each index of the sample after ecological restoration of the abandoned lead-zinc mine by an analytic hierarchy process comprise:
constructing a judgment matrix to obtain a group of judgment matrices of indexes of the sample after ecological restoration of the abandoned lead-zinc mine; obtaining a second judgment matrix of vegetation response information, microbial response information and ecological system health response information after ecological restoration of the abandoned lead-zinc mine;
a consistency checking step, namely comparing the importance degrees of any two initial weight values in the first judgment matrix to obtain the order of the importance degrees of all the initial weight values in the first judgment matrix; comparing the importance degrees of any two initial weight values in the second judgment matrix to obtain the order of the importance degrees of all the initial weight values in the second judgment matrix;
calculating each weight value, namely multiplying elements in each row in the first judgment matrix according to the rows to obtain a new column vector, opening each component of the new vector by the power of n, and normalizing the column vector to obtain the weight value corresponding to the index; multiplying elements in each row in the second judgment matrix according to the rows to obtain a new column vector, opening each component of the new column vector by the power of n, and normalizing the column vector to obtain a weight value corresponding to the information;
the steps of determining the first weight value and the second weight value of each index of the sample after ecological restoration of the abandoned lead-zinc mine by an analytic hierarchy process further comprise:
and a step of overall consistency check, which is to perform consistency check on the first judgment matrix and the second judgment matrix: calculating a consistency index CI of the first judgment matrix/the second judgment matrix:
wherein, λ max is the maximum eigenvalue, n is the dimension of the matrix, the average random consistency index RI is determined according to the size of n and the consistency ratio CR is calculated:
if CR <0.1, the consistency of the first judgment matrix/the second judgment matrix is passed; otherwise, the first judgment matrix/the second judgment matrix needs to be corrected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211191329.1A CN115885777A (en) | 2022-09-28 | 2022-09-28 | Ecological restoration method for abandoned lead-zinc mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211191329.1A CN115885777A (en) | 2022-09-28 | 2022-09-28 | Ecological restoration method for abandoned lead-zinc mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115885777A true CN115885777A (en) | 2023-04-04 |
Family
ID=86481483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211191329.1A Pending CN115885777A (en) | 2022-09-28 | 2022-09-28 | Ecological restoration method for abandoned lead-zinc mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115885777A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110545A (en) * | 2023-08-25 | 2023-11-24 | 云南大学 | Method for field evaluation of restoration capability of abandoned land native plants in metal mining area and application |
| CN117171677A (en) * | 2023-11-02 | 2023-12-05 | 北京建工环境修复股份有限公司 | Microbial restoration effect evaluation method, system and medium based on decision tree model |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734134A (en) * | 2016-11-07 | 2017-05-31 | 保定学院 | A kind of Pb-Zn ore district heavy metal pollution of soil restorative procedure |
| CN109675923A (en) * | 2019-03-05 | 2019-04-26 | 河北地质大学 | A kind of lead-zinc ore tailings library and neighboring soil Compound Heavy Metals repair system |
| CN112561328A (en) * | 2020-12-16 | 2021-03-26 | 神华北电胜利能源有限公司 | Mining area refuse dump ecological restoration effect evaluation method, storage medium and system |
| CN115049186A (en) * | 2021-12-31 | 2022-09-13 | 四川农业大学 | Key evaluation system for complex systematic nature of ecological restoration of homeland space |
-
2022
- 2022-09-28 CN CN202211191329.1A patent/CN115885777A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734134A (en) * | 2016-11-07 | 2017-05-31 | 保定学院 | A kind of Pb-Zn ore district heavy metal pollution of soil restorative procedure |
| CN109675923A (en) * | 2019-03-05 | 2019-04-26 | 河北地质大学 | A kind of lead-zinc ore tailings library and neighboring soil Compound Heavy Metals repair system |
| CN112561328A (en) * | 2020-12-16 | 2021-03-26 | 神华北电胜利能源有限公司 | Mining area refuse dump ecological restoration effect evaluation method, storage medium and system |
| CN115049186A (en) * | 2021-12-31 | 2022-09-13 | 四川农业大学 | Key evaluation system for complex systematic nature of ecological restoration of homeland space |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110545A (en) * | 2023-08-25 | 2023-11-24 | 云南大学 | Method for field evaluation of restoration capability of abandoned land native plants in metal mining area and application |
| CN117110545B (en) * | 2023-08-25 | 2024-04-30 | 云南大学 | Method for field evaluation of restoration capability of abandoned land native plants in metal mining area and application |
| CN117171677A (en) * | 2023-11-02 | 2023-12-05 | 北京建工环境修复股份有限公司 | Microbial restoration effect evaluation method, system and medium based on decision tree model |
| CN117171677B (en) * | 2023-11-02 | 2024-02-02 | 北京建工环境修复股份有限公司 | Microbial restoration effect evaluation method, system and medium based on decision tree model |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115885777A (en) | Ecological restoration method for abandoned lead-zinc mine | |
| Gunapala et al. | Dynamics of soil microbial biomass and activity in conventional and organic farming systems | |
| Chaer et al. | A soil quality index based on the equilibrium between soil organic matter and biochemical properties of undisturbed coniferous forest soils of the Pacific Northwest | |
| Clark et al. | Nitrogen, weeds and water as yield-limiting factors in conventional, low-input, and organic tomato systems | |
| Gholamhoseini et al. | Interactions of irrigation, weed and nitrogen on corn yield, nitrogen use efficiency and nitrate leaching | |
| Thilakarathna et al. | Nitrous oxide emissions and nitrogen use efficiency in wheat: Nitrogen fertilization timing and formulation, soil nitrogen, and weather effects | |
| Heckman et al. | Soil test calibration for predicting corn response to phosphorus in the northeast USA | |
| Moghaddam et al. | Carbon isotope discrimination and water use efficiency relationships of alfalfa genotypes under irrigated and rain-fed organic farming | |
| Broberg et al. | Fertilizer efficiency in wheat is reduced by ozone pollution | |
| van Miegroet et al. | Nitrogen fertilization strategies in a short-rotation sycamore plantation | |
| Lugato et al. | Modelling soil organic carbon dynamics in two long-term experiments of north-eastern Italy | |
| Hlavinka et al. | Modelling of yields and soil nitrogen dynamics for crop rotations by HERMES under different climate and soil conditions in the Czech Republic | |
| Giller et al. | Review article Exploring the Boundaries of N2-Fixation in Cereals and Grasses: An Hypothetical and Experimental Framework | |
| Eeswaran et al. | Evaluating the applicability of soil moisture-based metrics for gauging the resiliency of rainfed agricultural systems in the midwestern United States | |
| Simonne et al. | Localized application of fertilizers in vegetable crop production | |
| Lu et al. | Deficit drip irrigation based on crop evapotranspiration and precipitation forecast improves water‐use efficiency and grain yield of summer maize | |
| O’Sullivan et al. | Biological nitrification inhibition by weeds: wild radish, brome grass, wild oats and annual ryegrass decrease nitrification rates in their rhizospheres | |
| Brown et al. | Topsoil characteristics from a paired farm survey of organic versus conventional farming in southern England | |
| Chen et al. | Simulation of maize crop growth using an improved crop model considering the disintegrated area of biodegradable film | |
| Delbaz et al. | A global meta-analysis on surface and drip fertigation for annual crops under different fertilization levels | |
| CN110199854A (en) | A kind of identification method of Seedling Stage Salt Tolerance of Barley | |
| Kurbondski et al. | Does irrigated corn require multiple applications of sulfur? | |
| CN109997481B (en) | Method for topdressing nitrogen fertilizer according to soil water potential and rice variety type | |
| Schittenhelm et al. | Yield formation and plant metabolism of spring barley in response to locally injected ammonium | |
| Francis Clar et al. | Flux intensity and diurnal variability of soil N2O emissions in a highly fertilized cropping system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |