45results about How to "No ecological risk" patented technology

The invention provides a compound microorganism agent for treating a black and odorous water body. The compound microorganism agent comprises compound bacteria and a compound enzyme preparation, wherein the compound enzyme preparation comprises candida tropicalis, candida utilis, bacillus natto, bacillus subtilis, bacillus licheniformis, nitrobacter, achromobacter denitrificans, nitrosomonus, acinetobacter, lactobacillus, aspergillus niger, aspergillus oryzae and photosynthetic bacteria; the compound enzyme preparation comprises protease, amylase, lipase, sucrase, and cellulase.

The invention provides a method for deeply treating micro-polluted source water through in-situ enrichment, immobilization and acclimatization of indigenous microorganisms. In-situ enrichment and immobilization of the indigenous microorganisms are carried out in a stuffy aeration manner under an appropriate aeration condition by inoculating underwater bed sediment to be treated and water to be treated and adding nutrient elements; then, the immobilized microorganisms are gradually adapted to the water quality to be treated by arranging automatic water intake / discharge, gradually reducing the concentration of the nutrient elements in intake water and increasing the amount of intake / discharged water. The method disclosed by the invention has the following advantages: 1) under the stuffy aeration condition, loss of the microorganisms is avoided, multiplication of the indigenous functional microorganisms is accelerated, and the start time of the process is greatly shortened; 2) the multiplication of autotrophic nitrobacteria flora is preferably promoted by inoculating the underwater bed sediment having nitrobacteria flora of high abundance, adding ammonia nitrogen and reducing a carbon nitrogen ratio, and the diversity of the inoculated nitrobacteria flora is ensured by inoculating the underwater bed sediment having an appropriate depth, and therefore the operation stability of a system is promoted.

The invention discloses a method for breeding non-flying Harmonia axyridis. The method uses gene interference methods to interfere with expressions of vestigial or ultrabithorax, key genes of the wingdevelopment of the Harmonia axyridis, to breed the non-flying Harmonia axyridis. The breeding of the non-flying Harmonia axyridis includes three specific methods: injecting dsRNA, feeding dsRNA / nano-carriers, or soaking the body surface of the Harmonia axyridis in dsRNA / nano-carriers / surface active agents, or spraying or dripping the dsRNA / nano-carriers / surface active agents onto the body surfaceof the Harmonia axyridis. The method breeds the non-flying Harmonia axyridis by three potential gene interference methods, and the three potential gene interference methods are highly-efficient and stable and capable of thoroughly solving a problem of difficult colonization of artificially released natural enemies Harmonia axyridis in the control area, and has important theoretical and practicalsignificance. By applying the feeding method and the body wall penetration method to gene interference, the current situation of time-consuming and labor-consuming traditional methods is completely changed, efficiency and success rates are greatly improved, and costs and operation difficulty are reduced. The method for breeding the non-flying Harmonia axyridis has obvious social and economic benefits and no potential ecological risk.

The invention discloses an in-situ three-dimensional ecological restoration system and method for a slow-flow low-organic nutrient salt eutrophic water body. The three-dimensional ecological restoration system is composed of a plurality of three-dimensional ecological restoration units, each three-dimensional ecological restoration unit comprises a floating plate, a fixed plate, a filler floatingframe and a filler sinking frame, the floating plate floats on the water surface, the fixed plate is 8-12 cm lower than the water surface, the filler floating frame is located in an underwater visiblewater layer, and the filler sinking frame is located above water body bottom mud; a filler floating frame and a filler sinking frame control assembly are arranged on the water bank side, and the control assembly controls the height of the filler floating frame or the filler sinking frame in water through a control rope pulled out by a winding drum assembly fixedly installed on the water bank sideand sequentially through a fixed pulley block fixed to the bank side and a movable pulley block in the center of the bottom of the fixed plate; and the restoration system and the restoration method have the advantages of small influence on the water landscape in the restoration period, quick water restoration effect, no need of adding chemicals, no ecological risk and low operation cost.

The invention discloses a preparation method of porous nano antibacterial particles and a composite nanofiltration membrane and the composite nanofiltration membrane. The preparation method of the porous nano-antibacterial particle composite nanofiltration membrane comprises the following steps: 1, adding porous copper-coated TiO2 nano-antibacterial particles into a basic solution, and uniformly embedding the porous nano-antibacterial particles into the basic solution through ultrasonic dispersion or strong stirring to prepare a monomer solution; wherein the basic solution is a polybasic acylchloride solution and a piperazine aqueous solution, or a polybasic acyl chloride solution and an aqueous solution of a mixture of piperazine and polyamine; and 2, carrying out interfacial polymerization reaction on the monomer solution on the surface of an ultrafiltration support membrane layer to obtain the porous copper-coated TiO2 nano antibacterial particle composite nanofiltration membrane.The prepared porous copper-coated titanium dioxide nano antibacterial particle composite nanofiltration membrane is large in water flux, high in desalination rate, resistant to bacterial pollution, easy to clean and capable of being widely applied to the application fields of sewage treatment, material concentration, decoloration, desalination of alkaline water or seawater and the like.

The invention relates to a nitrogen controlling material prepared based on lake sediment, a preparation method and application thereof. The preparation method includes: collecting lake sediment as the raw material, conducting freeze drying, grinding and sieving, then carrying out high temperature roasting for certain time, and performing cooling so as to obtain the nitrogen controlling material. According to the invention, lake sediment is adopted as the raw material, and is subjected to heat treatment to prepare the nitrogen controlling material. The nitrogen controlling material comes from lake sediment, not only has low price, but also has high safety, has no ecological risk to lake water, also the high temperature roasted sediment has the characteristics of strong ammonia nitrogen adsorption capacity and weak desorption, thus solving the problems of high cost of ammonia nitrogen controlled release materials, poor ecological safety and limited ammonia nitrogen controlled release effect in the prior art.

The invention provides a preparation method of an oxygen-carrying and adsorbing composite functional material and application of the oxygen-carrying and adsorbing composite functional material in water body remediation. The oxygen-carrying and adsorbing composite functional material is used for repairing water body, and at the same time, pollutants such as endogenous nitrogen and phosphorus in thewater body can be efficiently adsorbed, and the problems of water body anaerobism and the like are solved; moreover, the material is low in cost and good in ecological safety, and the preparation method of the oxygen-carrying and adsorbing composite functional material comprises the following steps: (1) firstly carrying out dipping modification on a base material by using a metal cation salt solution, filtering and drying, then carrying out dipping modification by using an alkaline solution in a contact manner, filtering and drying to obtain a modified base material; 2) granulating the modified base material to prepare particles, 3) calcining obtained particles at a high temperature of 600-1000 DEG C to obtain a porous particle material, and 4) dipping the porous particle material in oxygen, carrying out pressure swing adsorption-oxygen carrying treatment, and carrying out oxygen loading in pores or on the structure of the porous particle material.

The invention provides a porous adsorbing material, an oxygen-carrying and adsorbing composite functional material, and application of the porous adsorbing material and the oxygen-carrying and adsorbing composite functional material. Adoption of the oxygen-carrying and adsorption composite functional material in water body repairing can efficiently adsorb pollutants such as endogenous nitrogen andphosphorus in water body and improve the water body anaerobic problem and the like, the cost is low, and the ecological safety is very good. The composite functional material provided by the invention is prepared from porous particles prepared from a modified matrix material through pressure swing adsorption-oxygen loading, and the modified matrix material is obtained by sequentially dipping andmodifying a matrix material with a metal cation salt solution and an alkaline solution and then calcining the matrix material at a high temperature of 600-1000 DEG C; wherein the matrix material is selected from one or a combination of more than two of natural clay minerals, industrial solid wastes and activated carbon.

The invention discloses an algae-controlling and water-purifying biocenosis, relates to a composition, types and an action method of an algae-controlling and water-purifying biotechnological product and belongs to the field of blue-algae governance of environmental-friendly water treatment. The algae-controlling and water-purifying biocenosis comprises one or more marine fishes and one or more freshwater aquatic animals and is constructed in an inland freshwater area environment by virtue of an artificial method. The algae-controlling and water-purifying biocenosis comprises algae-controlling and water-purifying key biological specie adopting marine fishes as a characteristic and a key biological chain adopting marine fishes as a characteristic is constructed, the algae-controlling and water-purifying effects are compounded and the problem of blue-algae inundation is solved in an in-situ manner, so that no risk of biological invasion is caused, the diversities of aquatic organisms in a freshwater area can be increased, detritus substances in the sediment can be recycled, the water can be purified, the high-class aquatic protein can be increased and the economic and social values are also increased; the algae-controlling and water-purifying biocenosis has the advantages of high purification treatment efficiency and good, lasting and stable algae-controlling effect; the method has the advantages of low cost, simplicity in operation and no secondary pollution and is suitable for being widely applied in eutrophicated freshwater and brackish water areas.

The invention provides a small ecological corridor for blocking and purifying runoff pollutants in rivers, which is composed of an intercepting and collecting system and a purifying system, wherein the intercepting and collecting system consists of an intercepting and collecting corridor frame (1) and intercepting and collecting filling matrix (2); and the purifying system consists of a purifying matrix (3) and purifying plants (4). The ecological corridor can effectively intercept and purify the runoff pollutants in the rivers, particularly in catchment areas of rural rivers, and besides, the used materials have no any ecological risk; and the small ecological corridor is simple in design, low in cost and low in running and maintaining cost.

The invention relates to a method for removing hydrogen sulfide through steel slag. The method includes that steel slag is dried and crushed and then is filled in a reaction bed, the reaction bed is heated to be at 30-50 DEG C and then is kept at constant temperature; mixed gases are filled from the bottom of the reaction bed at 80-100 SCCM constant speed, tail gases generated after reaction are discharged from the top of the reaction bed and filled into a flue gas analyzer; when the flue gas analyzer detects that the tail gases contain hydrogen sulfide, the tail gases discharged from a gas outlet of the flue gas analyzer are filled into alkaline liquor, and when the flue gas analyzer detects that concentration of hydrogen sulfide reaches 10-20mg / m<3>, filling of mixed gases is stopped. According to the method, waste steel slag serves as treating agents, the two reactants are wide in sources and large in harm, and reactions of the two reactants can remove stink and solve the problem of environment pollution caused by steel slag; the hydrogen sulfide removing efficiency is high, the industrial wastes, namely steel slag, can be recycled, and the bidirectional effect of using waste to treat waste is achieved; the treated steel slag can be used as building materials and ecological risks and secondary pollution are avoided.

The invention discloses a method for controlling an alien plant Ageratum conyzoides. The method comprises the following steps: (1) collecting Hypnum plumaeforme and Tortula muralis; cutting the Hypnum plumaeforme and the Tortula muralis into pieces and mixing to prepare moss particles; (2) collecting the Ageratum conyzoides, Aeschynomene indica and Crotalaria mucronata seedlings; (4) dividing Sedum aizoon; (4) constructing an experiment sample area and a contrast experiment sample area from abandoned lands suitable for the Ageratum conyzoides to grow, and forming planting pits; and (5) filling the moss particles into the planting pits, and interplanting the Ageratum conyzoides with three plants including the Sedum aizoon, the Aeschynomene indica and the Crotalaria mucronata. By the aid of the method disclosed by the invention, the growth of the alien plant Ageratum conyzoides can be effectively controlled and the invasion and dispersion of the alien plant Ageratum conyzoides are stopped and controlled. The plants adopted by the method are locally planted; materials are easy to obtain and are easy to culture and manage; no ecological risks occur and the economic benefits can be obtained.

The invention discloses a method of using native plants to control growth of exotic ageratum conyzoides, which includes: selecting sample plots from abandoned lands suitable for growth of ageratum conyzoides, eradicating various plants in the sample plots, digging planting pits, mixedly planting xanthiumsibiricum, amaranthus paniculatus, polygonum orientale and chenopodium album into the plantingpits, interplanting the ageratum conyzoides among the former plants, and performing the cycle for interplanting. The xanthiumsibiricum, the amaranthus paniculatus, the polygonum orientale and the chenopodium album are all resistant to allopathic stress from the ageratum conyzoides, and can be mixedly planted to inhibit growth of the ageratum conyzoides and resist its invasion. The method has the advantages that the plants used in the method are all native and easy to propagate and grow fast, revegetation is short, exotic weed control is effective, management is easy, no ecological risks occurand the like.

A polluted water restoration method is as follows: removal of organic matter and other pollutant-enriched bottom mud out of water is not needed, only the surface layer bottom mud aeration is needed, by surface layer bottom mud oxygenation and degradation of organic matters in the bottom mud, the redox potential is reduced, dissolved oxygen in bottom water is increased, the environment growth of aquatic plants is improved, and the polluted water restoration method is a method for treatment and long-term maintaining of polluted water ecological environment by aquatic plant (underwater forest) restoration.

The present invention provides a preparation method of an oxygen-carrying + adsorption composite functional material and its application in water body restoration. Using the material to repair water bodies can simultaneously efficiently absorb pollutants such as nitrogen and phosphorus in water bodies and improve water body anaerobic problems, and The material has low cost and good ecological safety. The preparation method of the oxygen-carrying + adsorption composite functional material includes the following steps: 1) first impregnating and modifying the base material with a metal cation salt solution, filtering and drying, and then Impregnating and modifying by contacting with an alkaline solution, obtaining a modified matrix material after filtering and drying; 2) granulating the modified matrix material to make granules; 3) calcining the granules at a high temperature of 600-1000°C to obtain Porous granular material; 4) The porous granular material is immersed in oxygen and subjected to pressure swing adsorption-oxygen-carrying treatment, and oxygen is loaded in the pores or on the structure of the porous granular material.

The invention provides a compound microbial agent which is prepared by mixing the following microorganisms in equal proportion: Bacillus megaterium GRINML5, Azotobacter salinestris strain GRINML6, Pseudomonas sp GRINML7, Bacillus licheniformis GRINML8, Stenotrophomonas sp. GRINML9 and Brevibacterium sp GRINM L2. The invention also provides a method for soil fertility enhancement and ecological improvement by using the compound microbial agent. A plurality of strains of microorganisms beneficial to plant growth are separated from an environment and are artificially compounded to form microbialfertilizer. A microbial ecological system for promoting solidification, release and conversion of vegetation nutrients is built by artificially supplementing the microbial fertilizer into soil to promote plant growth, the virtuous cycle that microorganisms promote plant growth, plants promote microorganism growth and plants and microorganisms promote each other is gradually formed, and the soil ecology is fundamentally improved.

The present invention relates to water treating technology, and is especially one kind of rotary cage type biological suspended stuffing sewage treating method and apparatus. The apparatus includes central shaft, rotary cage, inner and outer vanes, suspended stuffing, bearing and bearing cover plate. The central shaft is connected to the rotary cage to form rotating pair, the bearing is located with the bearing cover plate and screws, the suspended stuffing is filled into the rotary cage, and the inner and outer vanes are screwed to peripheral wall of the rotary cage. The inflowing sewage drives the outer vanes to rotate the rotary cage and mixes with the suspended stuffing and central aerating airflow, the inner vanes of the rotary cage form homogeneous gas, liquid and solid fluid to make sewage well contact with biological membrane on the stuffing and aerating airflow for biodegradation and airflow oxidation decomposition of organic pollutant and purification of sewage.

The invention relates to a method for removing hydrogen sulfide through chromium slag. The method includes that chromium slag is dried and crushed and then is filled in a reaction bed, and chromium slag powder is heated to be at 30-50 DEG C and then is kept at constant temperature; mixed gases are filled from the bottom of the reaction bed at 80-100 SCCM constant speed, tail gases generated after reaction are discharged from the top of the reaction bed and filled into a flue gas analyzer; when the flue gas analyzer detects that the tail gases contain hydrogen sulfide, the tail gases discharged from a gas outlet of the flue gas analyzer are filled into alkaline liquor, and when the flue gas analyzer detects that concentration of hydrogen sulfide reaches 10-20mg / m<3>, filling of mixed gases is stopped. The method solves the problems of chromium slag poison and hydrogen sulfide removing, raw materials are pollution sources, and therefore the effect of using waste to treat waste is achieved. Treated chromium slag can be used as building materials and causes no secondary pollution.

The invention provides a compound microorganism agent for treating a black and odorous water body. The compound microorganism agent comprises compound bacteria and a compound enzyme preparation, wherein the compound enzyme preparation comprises candida tropicalis, candida utilis, bacillus natto, bacillus subtilis, bacillus licheniformis, nitrobacter, achromobacter denitrificans, nitrosomonus, acinetobacter, lactobacillus, aspergillus niger, aspergillus oryzae and photosynthetic bacteria; the compound enzyme preparation comprises protease, amylase, lipase, sucrase, and cellulase.

This invention discloses a method for promoting growth of massin in a manganese ore tailings accumulation area. In the method, massin, joint vetch, three-round-leaf crotalaria, selaginella and hypnum plumaeforme are used. The method includes the steps that first, selaginella, hypnum plumaeforme and tender stem leaves of massin are collected, and joint vetch seeds and three-round-leaf crotalaria seeds are collected; second, massin stems and cottage are made and wrapped by the hypnum plumaeforme; third, an experimental sample plot is selected and established in the manganese ore tailings accumulation area and planting pits are built; fourth, the massin stems and the cottage are transplanted in the planting pits and covered with the tender stem leaves of massin and soil, the joint vetch seeds and the three-round-leaf crotalaria seeds are spread and sown on the soil, and the selaginella is transplanted. The technology is adopted for promoting growth of massin in the manganese ore tailings accumulation area, vegetation in which the massin is dominant is reestablished, soil can be improved because massin roots can be used for nitrogen fixation and massin steam leaves can be directly buried in soil for fertilizer, and the developed roots of massin can maintain water and soil and stop and control migration of heavy metal in manganese ore tailings accumulation area. According to the technology, the materials are convenient to obtain, and the technology is simple, easy to implement and free of ecological risk.

The invention discloses a compound bacterial agent for nitrogen reduction, and an application and a preparing method thereof. The bacterial agent comprises three bacterial strains, all of the bacterial strains are gram-positive bacteria, namely bacillus sp. No.A, bacillus sp. No.B, and bacillus sp. No.C bacillus amyloliquefaciens. The invention also provides the application of the compound bacterial agent, wherein the bacterial agent is used for preparing a preparation for reducing inorganic nitrogen value in domestic wastewater. The invention also provides a method for preparing a nitrogen reducing agent with the compound bacterial agent. According to the compound bacterial agent, and the application and the preparation method thereof provided by the invention, the bacterial strain is from a natural environment, and has the advantages of no secondary pollution to the ecological environment, no ecological risk, strong adaptability, fast growth speed, easy cultivation and the like. Thecombination of the compound way obtains better nitrogen reduction effect than a single bacterial agent.

The invention provides a method for treating black and odorous water by using EHBR-NMBR, and belongs to the technical field of water treatment. The method for treating the black and odorous water by using the EHBR-NMBR is composed of the following steps: step a, placing an assembled EHBR-NMBR unit in the water, and connecting pipelines; step b, turning on a fan, and performing oxygenation and aeration on the EHBR-NMBR unit; and step c, adjusting the aeration pressure and oxygen supply regularly until the water purification is completed. The method can effectively reduce pollutants and controlcyanobacteria outbreaks, does not need civil pool construction, has a good water purification effect, stable operation, no ecological risks, low costs, low operating costs, and more flexibility, and facilitates the establishment and perfection of ecological restoration capacity of the black and odorous water.

The invention relates to a method for removing hydrogen sulfide through chromium slag. The method includes that chromium slag is dried and crushed and then is filled in a reaction bed, and chromium slag powder is heated to be at 30-50 DEG C and then is kept at constant temperature; mixed gases are filled from the bottom of the reaction bed at 80-100 SCCM constant speed, tail gases generated after reaction are discharged from the top of the reaction bed and filled into a flue gas analyzer; when the flue gas analyzer detects that the tail gases contain hydrogen sulfide, the tail gases discharged from a gas outlet of the flue gas analyzer are filled into alkaline liquor, and when the flue gas analyzer detects that concentration of hydrogen sulfide reaches 10-20mg / m<3>, filling of mixed gases is stopped. The method solves the problems of chromium slag poison and hydrogen sulfide removing, raw materials are pollution sources, and therefore the effect of using waste to treat waste is achieved. Treated chromium slag can be used as building materials and causes no secondary pollution.

The invention discloses a method for preventing and controlling wax-moth larvas by utilizing symbiotic relationship between black ants and Chinese bees. That is, the living habit that the black ants like preying wax scraps, dead bees, the wax-moth larvas and wax-moth larva eggs is utilized to prevent and control the wax-moth larvas in Chinese bee hives and clean the hives, and meanwhile, strong bee colonies are utilized to protect honeycombs and prevent invasion of the black ants to realize symbiotic mutual benefit of the black ants and the Chinese bees. The method comprises the steps of beehive leaving the ground, bee colony strengthening, ant luring, ant introducing and ant colony vigor control. The method is a pure biological method, does not need any chemical agent, is simple, convenient to manage and free of any ecological risk, can ensure the quality of the honey while effectively preventing and controlling the wax-moth larvas, and is very suitable for the technical requirementsof the current ecological green bee industry development.

The invention provides a composite microbial agent, which is prepared by mixing the following microorganisms in equal proportions: Bacillus megaterium GRINML5, Azotobacter salinestris GRINML6, Pseudomonas sp. GRINML7, Bacillus licheniformis GRINML8, Stenotrophomonas sp. GRINML9 and Brevibacterium sp. GRINM L2. The present invention also provides a method of using the above-mentioned compound microbial bacterial agent for soil fertilization and ecological improvement. The invention separates a plurality of microorganisms helpful to plant growth from the environment, and forms the microbial fertilizer through artificial compounding. By artificially supplementing microbial fertilizers in the soil to build a microbial ecosystem that promotes the solidification, release and transformation of vegetation nutrients to promote plant growth, and gradually form a virtuous cycle in which microorganisms promote plant growth, plants promote microbial growth, and plants and microorganisms promote each other. Fundamentally improve soil ecology.

The invention discloses a female mosquito olfaction disrupter composition, a preparation method and applications thereof, belonging to the technical field of household chemical articles. The composition is characterized by comprising 0.1-9.9 percent of organic acid as an effective component and 88-99.6 percent of water as a solvent; and the organic acid is one or mixture of more than one of aceticacid, propionic acid, ethyl acetic acid, isobutyric acid, isobutyric acid, n-pentanoic acid, n-hexoic acid, n-Heptanoic acid, L-lactic acid and malic acid. The composition simulates the skin smell and breathing smell of a human body to interrupt the olfaction of the mosquito so as to avoid from being bitten by the mosquito and has good effect of preventing the mosquito from biting people; the materials are in accordance with the food-grade standards and the prepared composition is safe to the human body, does not have killing performance to the mosquito, does not have resistance problem and does not have ecological risks. Moreover, the preparation method is simple, the production cost is low and the production process does not have three wastes. The female mosquito olfaction disrupter composition, the preparation method and applications thereof are used for preparing products which can prevent from being bitten by the mosquito and the products which has the detumescence effect after being bitten by the mosquito and is used for preparing the products for air sterilizing and cleaning.

This invention discloses a method for promoting growth of massin in a manganese ore tailings accumulation area. In the method, massin, joint vetch, three-round-leaf crotalaria, selaginella and hypnum plumaeforme are used. The method includes the steps that first, selaginella, hypnum plumaeforme and tender stem leaves of massin are collected, and joint vetch seeds and three-round-leaf crotalaria seeds are collected; second, massin stems and cottage are made and wrapped by the hypnum plumaeforme; third, an experimental sample plot is selected and established in the manganese ore tailings accumulation area and planting pits are built; fourth, the massin stems and the cottage are transplanted in the planting pits and covered with the tender stem leaves of massin and soil, the joint vetch seeds and the three-round-leaf crotalaria seeds are spread and sown on the soil, and the selaginella is transplanted. The technology is adopted for promoting growth of massin in the manganese ore tailings accumulation area, vegetation in which the massin is dominant is reestablished, soil can be improved because massin roots can be used for nitrogen fixation and massin steam leaves can be directly buried in soil for fertilizer, and the developed roots of massin can maintain water and soil and stop and control migration of heavy metal in manganese ore tailings accumulation area. According to the technology, the materials are convenient to obtain, and the technology is simple, easy to implement and free of ecological risk.

The invention discloses a method for controlling an alien plant Ageratum conyzoides. The method comprises the following steps: (1) collecting Hypnum plumaeforme and Tortula muralis; cutting the Hypnum plumaeforme and the Tortula muralis into pieces and mixing to prepare moss particles; (2) collecting the Ageratum conyzoides, Aeschynomene indica and Crotalaria mucronata seedlings; (4) dividing Sedum aizoon; (4) constructing an experiment sample area and a contrast experiment sample area from abandoned lands suitable for the Ageratum conyzoides to grow, and forming planting pits; and (5) filling the moss particles into the planting pits, and interplanting the Ageratum conyzoides with three plants including the Sedum aizoon, the Aeschynomene indica and the Crotalaria mucronata. By the aid of the method disclosed by the invention, the growth of the alien plant Ageratum conyzoides can be effectively controlled and the invasion and dispersion of the alien plant Ageratum conyzoides are stopped and controlled. The plants adopted by the method are locally planted; materials are easy to obtain and are easy to culture and manage; no ecological risks occur and the economic benefits can be obtained.