118 results about "Ageratum conyzoides" patented technology

The invention discloses a method for blending and interplanting plants in an organic orchard and belongs to the field of soil nutrient improvement. The method comprises the steps of taking maidenhair, mint and ageratum conyzoides as three aromatic plants in the organic orchard; sowing seeds of the three aromatic plants among fruit trees in March, blending and interplanting the three aromatic plants in a staggered planting mode, and mulching a white film after planting; after the three aromatic plant seedlings grow to be 8-12cm high, performing thinning and transplanting, and maintaining plant line spacing as 0.2*0.4m; watering every 10 days at the growth primary stage of the three aromatic plants, and intertilling and weeding to ensure that no weeds exist in the blending interplanting planting area, wherein the three aromatic plants grow naturally at the medium and later stages and are cut in the last stage of July and October, and stubbles remain among the fruit trees for natural degradation. By blending and interplanting the maidenhair, mint and ageratum conyzoides, the total N, total P and total K contents in 0-20cm and 20-40cm soil layers of the orchard are effectively improved, the soil nutrition of the orchard is improved and the demands of the organic orchard are met.

The invention relates to a method for controlling invasion of exotic ageratum conyzoides. Materials used include celosia argentea, melilotus officinalis, ageratum conyzoides, rice straw cuttings and rice straw ash. After proportional preparation of the rice straw cuttings and the rice straw ash into a mixed substrate, the mixed substrate is filled into planting pockets made in a derelict land. The celosia argentea and the melilotus officinalis are interplanted in a same row, the ageratum conyzoides is planted between the celosia argentea and the melilotus officinalis, and the cyclic interplanting continues so. Vegetation with dominating celosia argentea and melilotus officinalis is constructed by the method in a short time, and growth of the ageratum conyzoides is restrained remarkably. The method has the advantages of convenience in obtaining the used plants which are all local seeds, easiness in growth of the plants, short vegetation constructing time, effectiveness in controlling exotic weeds, no risk and the like. The method can be used for an ecological restoration and invasion vulnerability reforming ecosystem for severely exotic weed invaded lands.

The invention belongs to the technical field of fruit tree planting and in particular provides a method for control of citrus reticulata blanco var. gonggan orchard diseases and pests. The method comprises the steps of: after fruit picking, spraying a 120-180-times solution of 29% lime sulphur aqua on crowns and the ground once or twice; cutting off vigorously growing branches, retaining medium and weak branches, and cutting and removing withered and diseased branches and branches without leaves; spraying organic fertilizer, 2-5 kg of bio-organic fertilizer, 0.5-1 kg of calcium magnesium phosphate fertilizer and 0.2-0.5kg of compound fertilizer for each plant; for letting out shoots each time, removing first emerging sporadic shoots and letting out shoots in a centralized and unified manner; performing biological control of pests and planting ageratum conyzoides in a citrus reticulata blanco var. gonggan orchard; in a tender shoot sprouting period, spraying a 1200-1800-times solution of 25% buprofezin wettable powder or a 2500-3500-times solution of 5% cyhalothrin missible oil for killing; in the period from the last ten days of August to the beginning of September after autumn shoots mature, using insecticidal lamps, yellow sticky traps, and a sex attractant for pest prevention and pest control. The method can control citrus reticulata blanco var. gonggan orchard diseases and pests effectively.

The invention discloses an extracting technology of flavone of ageratum conyzoides by using response surface methodology and application thereof. According to the design principle of Box-Behnken test,the technology conditions of the flavone of the ageratum conyzoides are designed and optimized by Design-Expert software, such as concentration of ethyl alcohol, extracting time, material and liquidratio, and extracting frequency; the flavone of the ageratum conyzoides is extracted in an ultrasonic-assisted way. The extracting technology specifically comprises the following steps of drying the ageratum conyzoides, and crushing into powder; adding the ageratum conyzoides powder into an extracting tank, mixing with the ethyl alcohol solution, and performing ultrasonic extracting; placing an extracting solution into a rotary evaporator, relieving pressure and distilling, and ventilating air to volatize the solvent; evaporating by water bath, so as to obtain the finished product of the flavone of the ageratum conyzoides. The extracting technology has the advantages that the extracting rate is high; the anti-oxidizing ability of the extracted flavone of the ageratum conyzoides is strong;the stronger application effect is realized in anti-oxidizing medicines and food antioxidants.

The invention discloses a herbicide composition containing glufosinate ammonium, glyphosate and carfentrazone-ethyl. The herbicide composition is characterized in that the pesticide active ingredients of the composition are glufosinate ammonium, glyphosate or salts thereof and carfentrazone-ethyl; based on the herbicide composition, the weight percent of the pesticide active ingredients is 31.1-85%, wherein the weight percent of the glufosinate ammonium is 1-30%, the weight percent of the glyphosate or salts thereof is 30-70%, the weight percent of the carfentrazone-ethyl is 0.1-20%, and the balance is non-pesticide ingredients. The dosage forms of the herbicide composition are wettable powder, water dispersible granules, soluble powder, soluble granules, aqueous solutions, emulsion in water and microemulsion. The herbicide composition has the advantages that after compounding, the herbicide composition has obvious synergistic effects, expands the weed control spectrum, increases the weed control speed, obviously reduces the usage amount and numbers of use of herbicides and can be applied to controlling imperata cylindrica, ageratum conyzoides, dicranopteris dichotoma, eleusine indica, erigeron canadensis and other weeds in arable lands and non-arable lands.

The invention discloses a method of preparing fertilizer with the effects of prevention and control of underground pests of crops. The fertilizer is mainly prepared by mixing inorganic fertilizer, organic fertilizer, an insecticidal plant extract, stuffing and a plant modifier to be uniform. The insecticidal plant extract is prepared by making castor, tripterygium wilfordii, derris roots, radix sophorae flavescentis, szechwan chinaberry fruits, ageratum conyzoides, seed powder of Chinese prickly ash and citrus peels into extracting solution through the water extraction process, and then conducting concentration, drying, crushing, sieving and uniform mixing. According to the method, by adding plant source extracts with high capability in resisting diseases and pests to the fertilizer, hazards caused by underground pests of crops can be effectively prevented and controlled; base fertilizer and insecticidal components are mixed in use to achieve the dual effects of both fertilizer and pesticide; meanwhile, soil can be improved, the ability of the soil in retaining water and fertilizer is enhanced, and the soil ecological environment is protected; the adopted raw materials come from wide sources and are low in price; moreover, the preparation process is simple, and the preparation cost of the fertilizer is reduced to a certain extent.

The invention belongs to the environment-friendly technical field of snail-killing plant resource utilization, in particular relates to a method of utilizing an alien invasive plant Ageratum conyzoides L. to control a harmful mollusc golden apple snail which invades South China. The method comprises the step of adding dried powders of the alien invasive plant Ageratum conyzoides L. to directly control the golden apple snail, and is characterized in that 1) the utilized plant is Ageratum conyzoides L. (asteraceae); and 2) the dosage of the dried powders of Ageratum conyzoides L. is 10 g/L. The method has the advantages that the plant material which is Ageratum conyzoides L. is a common alien invasive plant in South China, so that the plant is easily obtained, and under a certain dosage, the golden apple snail can be effectively controlled.

The invention relates to the technical field of gardens, in particular to a peach garden using landscape plants to control peach tree pests, which comprises a plurality of landscape cells, wherein each landscape cell comprises an internal function zone and a marginal function radiation zone, the internal function zone is a square of which the length of each side is 60-80 meters, marginal function radiation belts of 5-8 meters are arranged around the peach garden, sunflowers and ageratum conyzoides are alternately planted beside peach tree rows in the peach garden, and trifolium repens and lucernes are carpeted under peach trees. The invention provides a method for constructing a novel ecological and landscape peach garden environment. The invention can control peach tree pests based on the targeted selection and the reasonable arrangement of varieties of plants, thereby achieving the purposes of reducing the using amount of pesticide and improving the safety of fruit products. The plants concerned in the invention are all indigenous plants in East China, and the method has the advantages of simple and practicable operation and low cost and is suitable for implementation in East China, especially Shanghai region.

The invention discloses a bacteriostatic effective component isorhamcomin-3-O-glucoside of ageratum conyzoides and an extraction method thereof. The isorhamcomin-3-O-glucoside belongs to flavonoid glycoside compounds, has the bacteriostatic function and can be used as a contrast substance for measuring the content of the ageratum conyzoides. The invention lays the foundation for developing a novel product of an ageratum conyzoides preparation aiming at improving the quality control standard of the medicinal material of the ageratum conyzoides.

The invention discloses a preparation method of green pesticide fertilizer. The fertilizer is mainly prepared from inorganic fertilizer, organic fertilizer, lime, magnesium chloride and/or magnesium oxide, ammonium sulfate, water soluble silicate, zinc sulfate, borax and/or boric acid, ammonium molybdate, insecticidal plant extract, filler and plant regulator through even mixing. The insecticidal plant extract is prepared from plant raw materials including ricinus communis, tripterygium glycosides, derris roots, sophora flavescens, melia toosendan, ageratum conyzoides, paprika powder and orange peel by conducting concentrating, drying, smashing, screening and even mixing on an extracting solution prepared through a water extracting process. The pesticide fertilizer prepared through the method is comprehensive in nutrient and reasonable in ratio, the damage of crop underground harmful insects can be effectively prevented and treated, crop yield is increased, the farmland ecological balance can be effectively protected, and soil hardening, soil loss, soil depletion and other problems are prevented.

The invention discloses wood product mildew-proof paint, which is prepared from the following raw materials: novolac epoxy resin, phenoxyethanol, hydroxypropyl methylcellulose, trimeric sodium phosphate, pigments, lanoline, sucrose fatty ester, melamine, litsea cubeba, coralbean barks, lindera reflexa hemsl, broussonetia paryifera leaves, shrub althea flowers, ageratum conyzoides, cortex albiziae, ovate catalpa leaves, german oak fruit, chinaberry seeds and Chinese wingnut leaves. The wood product mildew-proof paint provided by the invention has the advantages that the preparation is simple; the use is convenient; the cost is reduced by 14.6 percent; formaldehyde is not contained; antibiosis, insect prevention, heat resistance and flame retardance are realized; safety and no toxicity are realized; the environment is protected; when no pigment is added into the paint, the colorless and transparent effects are achieved; the natural color and luster of wood products is maintained; after the pigment is added, the pigment cannot generate the color and luster change, and the color and luster is pure; flame-retardant ingredients are added, so that the heat resistant temperature of the wood product is raised, the combustion is retarded, and the harm to properties and human bodies is reduced; various kinds of traditional Chinese medicine extracts are used for realizing the antibiosis and mildew-proof effects; after impurity removal and purification by resin, the paint is pure white; the healthy and environment-friendly effects are achieved; the antibacterial rate reaches 91.6 percent.

The invention discloses a medical wet tissue with effects of hemostasis and disinfection, and relates to the technical field of wet tissue production. The medical wet tissue consists of a wet tissue matrix and a base solution adsorbed on the matrix, wherein the base solution is prepared from the following raw materials in parts by mass: 70-85 parts of cogongrass rhizome, 50-65 parts of ageratum conyzoides, 40-50 parts of eclipta, 30-45 parts of greater bunet root, 20-35 parts of carbonized hair, 20-30 parts of notoginseng, 15-25 parts of water pennywort, 12-20 parts of bletilla striata, 15-20 parts of herba agrimoniae, 10-18 parts of honeysuckle, 10-15 parts of dandelion, 8-12 parts of herba violae and 5-10 parts of leaf of Chinese ilex. The medical wet tissue is prepared by selecting natural Chinese medicinal herbs with effects of hemostasis and disinfection as raw materials and extracting medicinal components, has characteristics of high bleeding stop speed, sterilization and disinfection, wound surface protection and promotion of wound healing, is convenient to carry and use, and is particularly suitable for people who are on business trips and travels frequently.

The invention relates to the field of agriculture planting and soil conditioners and especially relates to a clayey soil conditioner specially used for facility agriculture. In the invention, an agricultural waste, soya bean straw, is used as the main component and carrier of the clayey soil conditioner; by screening various natural phytoncides and insecticides and optimizing the formula of the clayey soil conditioner, the clayey soil conditioner, which is composed of soya bean straw, garlic extract, ageratum conyzoides extract, stellera chamaejasme extract, cacumen biotae leaf powder and diatomite, is produced; the clayey soil conditioner is low in cost, is convenient and safe to use, is stable and long-acting, can significantly improve facility clayey soil structure, and can save fertilizer by 30-50% and reduce the cost by more than 80%; meanwhile, the invention provides a new approach for cyclic utilization of the soya bean straw, so that natural resources are saved, energy crisis is alleviated and ecologic environment is protected.

The invention discloses high-stability, mouldproof and environment-friendly glutinous rice glue and a preparation process thereof. The glutinous rice glue is prepared from components in parts by weight as follows: 25-37 parts of glutinous rice, 26-32 parts of indica rice, 25-33 parts of carboxymethyl modified starch, 24-34 parts of oxidation modified starch, 15-25 parts of Ageratum conyzoides, 16-24 parts of lavender, 15-28 parts of dill seeds, 17-22 parts of fresh ginger, 9-13 parts of mint, 8-15 parts of litsea cubeba leaves, 6-9 parts of heartleaf houttuynia herbs and 8-15 parts of water-soluble rosin. The glutinous rice glue has a better killing and inhibiting function on common mould of wallpaper and has excellent freezing and thawing stability and high-temperature stability. The glutinous rice glue has better cohesiveness and has very high stripping strength which is far superior to that of glutinous rice glue products on the market. With natural plant as a raw material, the glutinous rice glue has no toxic or side effects on a human body, is environment-friendly, can be safely used and is a high-stability, mouldproof and environment-friendly product.

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.

The invention discloses a weedicide composition containing glyphosate, fluroxypyr-meptyl and carfentrazone-ethyl. The composition contains the active weedicide components of glyphosate, fluroxypyr-meptyl and carfentrazone-ethyl. Based on the weedicide composition, the composition comprises the following components in percentage by weight: 30-70% of glyphosate, 1-15% of fluroxypyr-meptyl, 1-10% of carfentrazone-ethyl and the balance of assistant. The preparation formulation of the weedicide composition can be wettable powder, water-dispersible granules, a water emulsion and a microemulsion. The composition has obvious synergistic action after being complexed, enlarges the weed control spectrum, improves the weeding speed and remarkably reduces the consumption and use frequency of the weedicide, and can be used for controlling weeds such as cogongrass, Ageratum conyzoides, Diranopteris dichotoma, Alternanthera philoxeroides and the like.

The invention discloses Qi-tonifying and sedative granules for acute heart failure, which is prepared by the following pharmaceutical raw materials in parts by weight: 3-9 parts of oysters, 3-9 parts of poria, 6-10 parts of cassis twig, 2-8 parts of sea buckthorn, 6-12 parts of ageratum conyzoides, 5-15 parts of platycladi seed, 4-9 parts of salvia miltiorrhiza, 5-9 parts of mussel, one 2-5 parts of radix stemonae, 3-9 parts of anemarrhena asphodeloides, 25-35 parts of astragalus, 4-10 parts of alisma, and 6-10 parts of keel. The selected materials are traditional Chinese medicine materials without any toxic or side effects; the composition prescription fully complies with the Chinese medicine principles and physical and psychological characteristics of patients with acute heart failure, different compositions can be prepared according to different groups under the premise of the general principle, the functions are different, raw materials are easy to obtain, the cost of crude drugs is low, and the burden on patients can be reduced.

The invention discloses a polybasic efficient pesticide-fertilizer mixture with a control efficacy on underground crop pests. The mixture is prepared from the following ingredients: inorganic fertilizer, organic fertilizer, hydrated lime, magnesium chloride and/or magnesium oxide, ammonium sulfate, water-soluble silicate, zinc sulfate, borax and/or boric acid, ammonium molybdate, a pesticidal plant extract, a filler and a plant growth regulator, wherein the pesticidal plant extract comprises the following plant materials: castor, tripterygium wilfordii, derris root, kuh-seng, Szechwan Chinaberry fruit, ageratum conyzoides, zanthoxylum powder and orange peel. A preparation method for the pesticidal plant extract comprises the following steps: performing a water extraction/alcohol extraction/ultrasonic extraction process to obtain an extraction liquid, and then performing concentration, drying, crushing, screening and uniform mixing to prepare the pesticidal plant extract. The mixture provided by the invention is comprehensive in nutrition and reasonable in composition, and can be utilized for not only effectively preventing damage of the underground crop pests and improving the crop yield, but also effectively protecting the ecological balance in farmland, and solving the problems such as soil hardening, soil loss and soil depletion.

The invention discloses a method for preparing insecticide-fertilizer with plant source insecticide ingredients. The insecticide-fertilizer is prepared mainly by uniformly mixing inorganic fertilizer, organic fertilizer, slaked lime, magnesium chloride and/or magnesium oxide, ammonium sulfate, water-soluble silicate, zinc sulfate, borax and/or boric acid, ammonium molybdate, pesticidal plant extract, filler and plant regulator. The pesticidal plant extract is obtained by conducting condensation, drying, smashing, screening and uniform mixing on an extracting solution prepared from castor-oil plant, thunder god vine, derris root, radix sophorae flavescentis, szechwan Chinaberry fruit, ageratum conyzoides, paprika powder and orange peel through ethanol extraction. The insecticide-fertilizer prepared with the method has rich nutrients, material matching is reasonable, damage caused by soil crop pests can be effectively controlled to increase crop yield, farmland ecological balance can be effectively guaranteed, and soil hardening, loss and infertility are prevented.

The invention discloses a device and method for breeding plyhachis vicina roger in an organic tea garden. The device comprises breeding holes, tea trees, ageratum conyzoides and soil. The tea trees and the ageratum conyzoides are alternately planted in soil, and the breeding holes are formed among the adjacent tea trees and hidden in the soil. The breeding method comprises the steps that the breeding holes are formed in the adjacent tea trees and then the ageratum conyzoides is planted around the upper portions of hole bodies in seasons when the plyhachis vicina roger can be active, aphids are attracted to the ageratum conyzoides for breeding when the ageratum conyzoides grows to reach a certain height, and then 2-3 g of foods are added into the hole bodies through feeding pipes every week after the plyhachis vicina roger are put in the hole bodies. The habit of easting honey and other foods having a sweet taste of the plyhachis vicina roger is utilized to artificially simulate the natural growth environmental conditions of the plyhachis vicina roger, and accordingly the purposes of keeping the holes for the plyhachis vicina roger dry, keeping sufficient goods, saving the time and labor and further quickly breeding the plyhachis vicina roger are achieved. The device and the method are simple in operation, good in practicability, low in cost and obvious in effect.

The invention relates to the field of medicine formulas, and in particular relates to a traditional Chinese medicine for treating malignant arrhythmia of a coronary heart disease. The traditional Chinese medicine is characterized by being prepared from the following raw materials in parts by weight: 5-9 parts of stellaria yunnanensis, 4-7 parts of ophiopogon latifolius, 4-8 parts of aleppo avens, 4-7 parts of odontoglossum crispum, 4-8 parts of curcuma aromatic, 5-8 parts of loranthus parasiticus, 6-9 parts of paris polyphylla, 6-9 parts of terminalia arjuna skin, 7-9 parts of semen pharbitidis, 6-9 parts of inula flower, 2-5 parts of herminium lanceum, 6-9 parts of cudrania cochinchinensis, 2-5 parts of juncus effuses, 4-6 parts of tuber fleeceflower stem, 2-4 parts of ageratum conyzoides, 4-6 parts of dendrobe, 2-4 parts of clematis kerriana and 7-9 parts of sanguisorba officinalis. The traditional Chinese medicine for treating malignant arrhythmia of the coronary heart disease has the advantages of significant curative effect, low cost, and no toxic or side effect.

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 mango planting method and relates to the technical field of fruit tree planting. The method comprises the steps of building a garden, digging pits and carrying out field planting, carrying out interplanting, carrying out water and fertilizer management, preserving fruits and protecting fruits, and carrying out timely harvesting, wherein root parts are treated by using a mixed microbial inoculum prepared from trichoderma harzianum, pseudomonas and water before field planting, and the interplanting step is carried out by interplanting basil, Chinese leek and ageratum conyzoides among mango rows. According to the planting method, prevention and control is carried out through a biological method, so that diseases and insect pests of mango can be effectively inhibited,and the yield can be increased.

The invention discloses a preparation method of an ageratum conyzoides volatile oil microcapsule and an antibacterial application thereof. The preparation method comprises the following steps: dissolving maltodextrin and gelatin by water, and evenly agitating to obtain a wall solution; adding an emulsifier and ageratum conyzoides volatile oil to the wall material, and homogenizing to obtain an emulsion; and carrying out spray drying on the emulsion, so as to obtain the ageratum conyzoides volatile oil microcapsule. The obtained ageratum conyzoides volatile oil microcapsule forms a powder form, is good in water solubility and stability, high in embedding rate and slow to release, has significant antibacterial activity, and can be applied to the fields such as household necessities, medicines and the like.

The invention discloses fertilizer capable of controlling underground crop pests. The fertilizer is prepared from the following ingredients: inorganic fertilizer, organic fertilizer, a pesticidal plant extract, a filler and a plant growth regulator, wherein the pesticidal plant extract comprises the following plant materials: castor, tripterygium wilfordii, derris root, kuh-seng, Szechwan Chinaberry fruit, ageratum conyzoides, zanthoxylum powder and orange peel. A preparation method for the pesticidal plant extract comprises the following steps: performing a water extraction/alcohol extraction/ultrasonic extraction process to obtain an extraction liquid, and then performing concentration, drying, crushing, screening and uniform mixing to prepare the pesticidal plant extract. As the pesticidal plant extract of which the disease and pest resisting capability is strong is added into the fertilizer, the fertilizer can effectively prevent damage of the underground crop pests; base fertilizer and the pesticidal ingredient are mixed for use, so that the double effects of both fertilizer and pesticide are achieved; meanwhile, the fertilizer provided by the invention can improve soil, improve the water and fertilizer retention capability of soil, and protect the ecological environment of soil; the adopted raw materials are wide in source and low in price, so that the preparation cost of the fertilizer is reduced to a certain extent.

The invention provides an extracting method of a plant composite containing gastrodia elata. The plant composite is prepared from the raw material herbs of 100 g of gastrodia elata, 60 g of pteris biaurita, 50 g of ageratum conyzoides and 150 g of lysimachia fortunei maxim. The plant composite is prepared by the adoption of the microwave extracting method, in this way, the content is greatly increased, and the usage amount is reduced. The invention further provides an application of the plant composite containing the gastrodia elata in preparation of medicine for restraining rat adrenal medulla pheochromocytoma PC12 cell proliferation.

The invention provides a garden weeding agent. The garden weeding agent adopts a formula containing the following raw materials of 10 to 13 parts of herba ageratum conyzoides, 5 to 8 parts of ambrosia artemisiifolia, 2 to 4 parts of dodecyl dimethyl benzyl ammonium chloride, 3 to 5 parts of clopyralid, 5 to 7 parts of folium monochoria vaginalis, 4 to 8 parts of semen cuscutae, 7 to 13 parts of soybean extracting solution, 2 to 4 parts of tea polyphenol, 2 to 7 parts of garlic, and 40 to 63 parts of water. A method comprises the following steps of drying the herba agerati conyzoides, the ambrosia artemisiifolia, the folium monochoria vaginalis and the semen cuscutae, and adding into a crushing machine to crush; adding the dodecyl dimethyl benzyl ammonium chloride, the clopyralid and the crushed material into a stirring machine, adjusting the temperature to 20 to 23 DEG C, and uniformly mixing; adding the left component into the mixture, treating for 5 to 10min by ultrasonic waves, separating solid and liquid, and collecting filtrate; heating and concentrating the filtrate, so as to obtain the garden weeding agent. The garden weeding agent has the advantages that by adding the semen cuscutae, after the weeding agent is sprayed, the moistening time can be prolonged, and the action time of medicine effect is prolonged; by adding the soybean extracting solution and the garlic, the functions of diminishing inflammation and sterilizing are realized.