119results about How to "Good insecticide" patented technology

The invention relates to a berberine plant source insecticide and a preparation method thereof. The insecticide comprises the following raw materials in parts by weight: 40-50 parts of berberis root, 1-2 parts of phellodendron bark, 45-50 parts of purple common perilla and 2-3 parts of castor. The berberine plant source insecticide takes berberine in the berberis root and phellodendron bark as the insecticidal active component; and since berberine has photoactive toxicity for pests, and the toxicity of the berberine plant extract for pests is enhanced when the berberine plant extract is degraded under the activation of light, the invention enhances the drug effect of insecticide, prevents enduring residence in the environment and conforms to environment concordance required by no-pollution pesticides. The product of the invention has the advantages of no toxicity, no residue, wide materials sources and low production cost, has the effects of anesthetization, contact killing, stomach toxicity, systemic action and the like, has favorable integrated control effects of disinsection and bacteriostasis, can be widely used in the fields of agriculture, forestry, animal husbandry and the like, and is especially suitable for production of traditional Chinese medicinal materials, organic food, green food and no-pollution food.

The invention belongs to the technical field of biological pesticides, and more particularly relates to a matrine-containing pesticide and a preparation method thereof. The matrine-containing pesticide is characterized in that a suspension agent mainly comprises the following components in parts by weight: 1-25 parts of matrine, 5-20 parts of organic solvent, 1-25 parts of capsule wall material, 0.1-3 parts of colloid, 1-20 parts of emulsifier and the balance of de-ionized water to 100 parts. The matrine microcapsule suspension agent and the preparation method thereof aim to solve insufficient dosage form of biological pesticides in China, pollution to the environment and a poor control effect on insect pests. All active components in the scheme are naturally extracted from single-composition sophora flavescens plants, do not contain any chemical pesticides and are safe to natural enemies and the environment; and the novel matrine pesticide has the advantages of long duration of efficacy, anti-photolysis, improvement of utilization rate of pesticides and the like.

The invention discloses an organic-inorganic compound fertilizer for high-yield paddy rice. The organic-inorganic compound fertilizer is prepared from the following raw materials in parts by weight: 20 to 50 parts of urea, 5 to 20 parts of monoammonium phosphate, 30 to 50 parts of potassium polyphosphate, 30 to 50 parts of seabird droppings, 15 to 35 parts of fermented paddy rice straws, 5 to 18 parts of fermented cow dung, 15 to 30 parts of bone dregs, 5 to 15 parts of humic acid, 2 to 8 parts of modified turf, 1 to 7 parts of paddy rice straws, 15 to 19 parts of coal ash, 5 to 12 parts of attapulgite, 1 to 6 parts of kaolin, 1 to 3 parts of manganese sulfate, 1 to 2 parts of ferrous sulfate, 1 to 4 parts of carbonic lime, 0.01 to 0.07 part of compound enzyme and 0.01 to 0.05 part of compound bacteria. A product of the organic-inorganic compound fertilizer is environment-friendly, less in pesticide residue, balanced in nutrition and high in yield of paddy rice.

The invention relates to a matrine pure plant source pesticide which is characterized by comprising the following components in part by weight: 0.5-5 parts of banlangen, 5-25 parts of active emulsifier, 10-40 parts of organic solvent and 30-60 parts of purified water, wherein the part summation of four substances as basic components is 100. The matrine pure plant source pesticide is prepared from completely natural organic components without chemical pesticides, and has no harm to natural enemies and the environment.

Provided is a novel pest control agent, particularly an insecticide or a miticide. A pyrazole derivative represented by general formula (1) and a pest control agent. In formula (1), A1 represents -N(O)m2 or -CR1; R1, R3, and R4 each independently represent a hydrogen atom, a halogen atom, C1-C6 alkyl, or the like; Ra represents a hydrogen atom, C1-C6 alkyl, or the like; Rb represents -C(O)R7, -C(O)N(R8a)R8, or the like; R7, R8, and R8a each independently represent a hydrogen atom, C1-C6 alkyl, or the like; and m1 represents an integer of 0 or 1.

The invention discloses a traditional Chinese medicine pesticide which is prepared from the following raw materials by weight: 4 parts of dysoma pleiantha, 1 part of kusnezoff monkshood root, 5 parts of celastrus orbiculatus, 5 parts of gamboge, 0.5 part of jackinthepulpit tuber, 6 parts of lightyellow sophora root, 6 parts of hairyvein agrimonia herb, 7.5 parts of garden burnet root, 5 parts of Chinese honey locust, 5 parts of Chinese Asafoetida and 5 parts of yellow snake tobacco. The traditional Chinese medicine pesticide provided by the invention has the characteristics of high efficiency, low toxicity and no residue and good pesticidal, disease-preventing and disease-treating effects.

The invention discloses an efficient pesticide, which is prepared from the following raw materials in parts by weight: 5-8 parts of ginkgo bilobal peel, 8-15 parts of stone-like omphalia, 6-10 parts of Chinese prickly ash, 3-8 parts of muskroot-like semiaquilegia roots, 5-10 parts of fructus cnidii, 8-12 parts of thunder god vine, 6-10 parts of fructus kochiae, 5-10 parts of divaricate saposhnikovia roots, 80-120 parts of a solvent, 3-8 parts of an emulsifier, 0.5-0.8 part of a thickening agent, 3-5 parts of an anti-freezing agent, 1-2 parts of a defoaming agent and 30-50 parts of rice water. By a modern technological biotechnology, the selected natural raw materials are scientifically prepared, so that the efficient pesticide disclosed by the invention is mild in medicine property, free of a toxic or side effect on people and livestock basically and good in insecticidal and antibacterial effects; an insect-killing device is simple in structure and convenient to operate; a high-temperature pesticide can be reserved in soil for a long period of time; harmful bacteria and insects in the soil are thoroughly eliminated; and the efficient pesticide is high in effective duration and high in safety. By combination of high-temperature steam and the pesticide, the high-temperature pesticide is sprayed into the soil; and a physical method and a chemical method simultaneously act on the soil, so that the antibacterial and insecticidal effects are good; and the work efficiency is high.

The invention discloses an organic fertilizer with insecticidal and sterilizing efficacy, and a preparation method thereof. The organic fertilizer comprises animal night soil, dead insects, waste vegetable fibers, soybean meal, animal bones, rice washed water, an EM inoculant, Bacillus subtilis, pomegranate rind extract, shaddock peel extract, Eomecon chionantha extract, Osbeckia chinensis L. extract and Rhodomyrtus tomentosa extract. The preparation method comprises the following steps: fermenting an organic fertilizer to prepare organic fertilizer powder, and mixing the organic fertilizer powder with traditional Chinese medicine extracts to obtain the organic fertilizer with insecticidal and sterilizing efficacy. The organic fertilizer with insecticidal and sterilizing efficacy, adopting the common action of the organic fertilizer powder and the traditional Chinese medicine extracts, provides comprehensive nutrient substances for crops, and reaches the insecticidal and sterilizing purposes in advance.

The invention discloses a fertilizer capable of enhancing grape quality. The fertilizer is prepared from the following raw materials in parts by weight: 20-35 parts of potassium nitrate, 5-15 parts of double superphosphate, 16-24 parts of kiln ash potassium fertilizer, 8-15 parts of rotten chicken manure, 40-60 parts of fermented bean dregs, 12-18 parts of cotton seed pulp, 8-16 parts of straw powder, 10-16 parts of wormcast, 2-6 parts of modified illite-montmorillonite clay, 2-4 parts of carbonized corn cob powder, 15-35 parts of plant ash, 1-4 parts of meerschaum powder, 1-4 parts of vermiculite powder, 1-2 parts of diatomite, 0.5-1 part of manganese humate, 0.5-1 part of ferrous sulfate, 0.04-0.09 part of composite bacterium and 1-3 parts of Chinese herbal medicine additive. The fertilizer has balanced nutrients, and pays attention to the nitrogen / phosphorus / potassium mixing ratio, so that the grapes can quickly and sufficiently acquire the nutrients in various growth periods, thereby ensuring the normal growth of roots, leaves, flowers, fruits and the like of the grapes, enhancing the yield and quality of the grapes and being beneficial to yield increase and income increase.

The invention discloses an environment-friendly fertilizer dedicated to rice and duck co-cultivation. The environment-friendly fertilizer is prepared from the following raw materials in parts by weight: 10 to 30 parts of urea, 15 to 30 parts of ammonium dihydrogen phosphate, 5 to 20 parts of potash magnesium sulphate fertilizer, 0.5 to 0.15 part of zinc sulfate, 20 to 40 parts of seabird faeces, 5 to 15 parts of fermented rice straw, 20 to 45 parts of corn cake, 10 to 30 parts of bone dreg, 20 to 40 parts of humic acid, 15 to 30 parts of modified grass carbon, 5 to 15 parts of corn straw, 5 to 15 parts of dolomite powder, 1 to 5 parts of bentonite, 5 to 15 parts of kaolin, 0.1 to 0.35 part of sodium silicate, 5 to 10 parts of magnesium sulfate, 0.05 to 0.09 part of botanical pesticide and 0.05 to 0.15 part of compound bacteria. The environment-friendly fertilizer disclosed by the invention is good in sustained-release effect and balanced in nutrition, is capable of slowly releasing nutrient substances according to growth characteristics of rice, is suitable for a duck and rice co-cultivation environment, is environment-friendly and can be used for killing insects and controlling weeds.

The invention, which belongs to the field of unmanned aerial vehicles, discloses a rotary nozzle for a pesticide-spraying unmanned aerial vehicle. The rotary nozzle comprises a mounting cover; and a box body is fixed on the top of the mounting cover. A partition plate is arranged at the inner wall of the box body in an integrated manner and separates the inner side of the box body into an installation chamber and a liquid storage chamber arranged up and down. Guiding rods arranged symmetrically are fixed on the top of the box body vertically; and fixation blocks fixed with the unmanned aerialvehicle are fixed at the tops of the guiding rods. A driving mechanism is installed in the installation chamber; and a stirring mechanism for stirring soup is installed in the liquid storage chamber.Spraying mechanisms for multi-angle spraying are arranged at the two sides of the mounting cover. According to the invention, with a forward and reverse motor, a driving gear, a driven gear, a threaded column, an inner threaded pipe, a mounting plate, a tooth bar, a mounting block, and a liquid leading pipe, the spraying nozzle is driven to oscillate automatically to realize oscillating spraying;the spraying angle is large and the spraying range is large; and the using effect is good.

The invention relates to the technical field of air freshening, in particular to an air freshener. The air freshener comprises the raw materials of azadirachta indica, firmiana platanifolia, exocarpium citri grandis, folium artemisiae argyi, tylophora, herbal violae, flos caryophylli, mint, lavender, cordate telosma, a solubilizer and an emulsifier. According to the air freshener, by the adoption of a natural plant raw material formula, air can be freshened, mosquitoes can be effectively dispelled, and growth of pathogenic microorganisms and bacteria in the air can be inhibited; fragrance comes from plant extract, and therefore the air freshener has the advantages of being wide in spectrum, efficient and free of toxicity and residues.

The invention discloses a rice-duck co-cultivating organic-inorganic compound fertilizer. The rice-duck co-cultivating organic-inorganic comopund fertilizer is prepared from the following raw materials in parts by weight: 15 to 35 parts of urea, 10 to 30 parts of monoammonium phosphate, 10 to 20 parts of potassium humate, 0.5 to 2.5 parts of EDTA manganese chelate, 15 to 35 parts of seabird droppings, 20 to 50 parts of fermental chicken droppings, 10 to 30 parts of rape seed cake, 5 to 10 parts of bone dreg, 10 to 20 parts of wormcast, 5 to 10 parts of modified grass carbon, 10 to 18 parts of plant ash, 2 to 10 parts of bentonite, 2 to 8 parts of attapulgite, 3 to 12 parts of calcined kaolin, 0.2 to 0.8 part of ferrous sulfate, 2 to 4 parts of talcum powder, 0.1 to 0.8 part of plant source farm chemical and 0.01 to 0.08 part of compound bacteria. The fertilizer provided by the invention is environment-friendly and nutritionally balanced, is capable of killing pests and controlling grass, and slowly releasing nutrient substances therein according to the growth characteristics of rice and is suitable for a rice-duck co-cultivation environment.

The invention discloses a high-yield environment-friendly organic-inorganic compound fertilizer for co-cultivation of paddy rice and ducks. The high-yield environment-friendly organic-inorganic compound fertilizer is prepared from the following raw materials in parts by weight: 5 to 20 parts of urea, 15 to 30 parts of monoammonium phosphate, 15 to 35 parts of potash magnesium sulfate fertilizer, 40 to 60 parts of seabird droppings, 5 to 18 parts of fermented paddy rice straws, 15 to 25 parts of rapeseed cakes, 12 to 20 parts of bone dregs, 5 to 15 parts of humic acid, 2 to 10 parts of modified turf, 2 to 7 parts of corn straws, 1 to 5 parts of dolomite powder, 2 to 10 parts of attapulgite clay, 2 to 7 parts of kaolin, 1 to 3 parts of ferrous sulfate, 1 to 2.5 parts of manganese sulfate, 1 to 3 parts of carbonic lime, 0.5 to 1.05 parts of compound enzyme and 0.5 to 0.88 part of compound bacteria. A product of the high-yield environment-friendly organic-inorganic compound fertilizer is environment-friendly, less in pesticide residue, balanced in nutrition and high in yield of paddy rice.

The invention relates to a domestic sanitary insecticide and an application thereof and belongs to the technical field of sanitary insecticidal products. The domestic sanitary insecticide is characterized by containing 2-8 percent of plant extracts, 85-95 percent of solvents, 1-5 percent of emulsifying agents and 1-4 percent of essential oil. The domestic sanitary insecticide takes the plant extracts with strong insect killing and expelling activity as an active ingredient, has the multiple effects of preventing and treating mosquitoes and flies, mites, ticks, louses, ailanthus, cockroaches and fleas, is good in effect and solves the problem that when other chemical insecticides are used, the resistance to pesticides is easily generated. The domestic sanitary insecticide has the advantages of simple and convenient processing method, low production cost, enough raw materials, safety and efficiency in storage, transportation and use, good insect killing and expelling effect, small effect on environment, and high safety to human body.

The invention relates to the technical field of pesticide, and especially relates to a pesticide composition, a sustained-release pesticidal fertilizer, and preparation methods thereof. The pesticide composition comprises a bactericide and an insecticide. The bactericide is difenoconazole, and the insecticide is composed of thiamethoxam and diazinon. The sustained-release pesticidal fertilizer provided by the invention has the advantages of high activity, good efficacy, and significant fertilizer effect. The sustained-release pesticidal fertilizer has dual effects as a pesticide and as a fertilizer, and can fully perform insecticidal, bactericidal and fertilization functions. With the fertilizer, pesticide and fertilizer sustained release is realized. The pesticidal fertilizer is effective for a season with one application.

A disclosed soil sterilizing agent is prepared from the following raw materials in parts by weight: 5-10 parts of gleditsia sinensis Lam, 8-12 parts of fructus cnidii, 10-15 part of ulmus macrocarpa Hance, 8-13 part of cortex pseudolaricis, 10-16 part of sulfur, 5-10 part of pumpkin seed, 5-10 part of radix agrimoniae pilodae, and 8-12 part of chaulmoogratree seed. The soil sterilizing agent employs modern science and technology and biological technology, the selected raw materials are scientifically matched, and the agent is a pollution-free wide-spectrum soil special-purpose pesticide which is extracted through supercritical carbon dioxide. Compared with a water decoction process in the prior art, the effective compositions are relatively easily extracted, the traditional Chinese medicine utilization rate is high, the insecticidal effect and the sterilizing effect are relatively good, and the drug property is mild. The agent is capable of effectively killing insects, bacteria and ova in soil without polluting environment, is basically free of toxic and side effect on human and animals, is long in persistent period, low in usage amount and high in safety.

The invention discloses a composite base fertilizer for grapes. The composite base fertilizer comprises the following raw materials in parts by weight: 50-70 parts of fermented chicken manure, 14-22 parts of edible mushroom dregs, 20-26 parts of biogas digester dregs, 14-22 parts of fishbone dust, 16-24 parts of sunflower seed meal, 10-20 parts of monopotassium phosphate, 25-40 parts of ammonium nitrate, 20-28 parts of potassium fulvic acid, 20-40 parts of a kiln dust potassium fertilizer, 4-8 parts of carbonized coconut shell powder, 3-7 parts of sepiolite powder, 4-8 parts of kieselguhr, 1.5-2.5 parts of seashell powder, 4-8 parts of modified illite-montmorillonoid clay, 1-2 parts of fulvic acid diamine iron, 2-3 parts of fulvic acid manganese, 4-6 parts of traditional Chinese herbal medicine additives and 0.1-0.2 part of compound bacteria. The composite base fertilizer is balanced in nutrition and focuses on the mixing ratio of nitrogen, phosphorus and potassium, grapes can take nutrient components rapidly and sufficiently in different growth periods, normal growth of roots, leaves, flowers, fruits and the like of the grapes can be ensured, the yield of the grapes can be increased, the quality of the grapes can be improved, and the yield and the income can be increased.

The invention relates to a soil pest repellent and an application thereof and belongs to the technical field of agricultural pest prevention and treatment products. The soil pest repellent is characterized by containing 7-17 percent of lycorine, 3-12 percent of synergistic compositions, 2-9 percent of pesticide auxiliaries and 70-88 percent of bamboo vinegar. The soil pest repellent has the beneficial effects that the soil pest repellent is prepared by taking the lycorine with strong pest-expelling activity as an active ingredient; grubs, mole crickets, wireworms, cutworms, maggot, root bugs and various soil pests can be prevented and treated; the repelling effect on the soil pests is good; crops can be protected against damage; the difficult problem of prevention and treatment of the soil pests is solved, and the resistance to pesticides can also not generate even if the soil pest repellent is used for a long time. The soil pest repellent can be automatically degraded in environment and has the advantages of safety and high efficiency in use, no pollution caused to the environment, enough raw materials, simplicity and convenience in processing, low cost and good persistence.

The invention provides a novel special liquid fertilizer for rice capable of comprehensively controlling plant diseases and insect pests, and a preparation method thereof. The novel special liquid fertilizer is prepared from the following components: 5 to 15 parts of urea-ammonium nitrate solution, 5 to 15 parts of ammonium polyphosphate solution, 5 to 10 parts of potash fertilizer, 0.1 to 2 parts of microelement, 20 to 50 parts of water, 1 to 10 parts of homemade plant pesticide extracting solution, 1 to 2 parts of soil conditioner, 1 to 5 parts of natural activity organic materials, and 1 to 5 parts of natural surfactant, wherein the homemade plant pesticide extracting solution is prepared from mixing trifolium pratense, folium artemisiae argyi, herba houttuyniae, semen persicae and black false hellebore in proportion, and extracting with water. The preparation method comprises the steps of adding the prepared urea-ammonium nitrate solution and the ammonium polyphosphate solution in proportion according to a formula into a mixing tank; then adding the other metered materials into the mixing tank; stirring, dissolving and filtering to prepare the liquid fertilizer. The liquid fertilizer provided by the invention is convenient to use and good in effect, and is a special multi-functional environment-friendly liquid fertilizer for the rice.

The invention discloses mothproof antibacterial essential oil which is used for solving the problems that a mothproof function and an antibacterial function cannot be combined very well in the prior art, and the smell is pungent. The mothproof antibacterial essential oil comprises the following components in percentage by weight: 5%-70% of natural camphor, 0-10% of lavender essential oil, 0-10% of pyrethrin, 10%-40% of other components, and 10%-85% of 1,8 cineole and / or aromatic alcohol, based on 100% in total, wherein the other components comprise one or more of p-cymene, alpha-pinene, beta-pinene, geraniolene, alpha-terpene alcohol, camphene, limonene, caryophyllene, alpha-humulene, borneol and alpha-phellandrene. According to the technical scheme adopted by the invention, the problems in the prior art can be solved very well.

The invention belongs to the technical field of grain storage and particularly relates to a cinnamon oil containing grain insecticide which is prepared from the following raw materials in mass percent: 10-14% of cinnamon oil, 2-5% of garlic essential oil, 5-8% of chinaberry oil, 1-4% of turpentine, 1-4% of citionella oil, 2-5% of star anise oil, 1-4% of rue essential oil and the balance of 75% ethyl alcohol in volume concentration. The cinnamon oil containing grain insecticide is prepared from the natural plant essential oil, safe, environment-friendly and pollution-free and can effectively play the effects of sterilization and insect killing.

The invention provides a taro cultivating method. The taro cultivating method comprises the steps of selecting a land, preparing the land, selecting seeds and planting, reasonably fertilizing, intercepting and removing young taro, watering, preventing and treating plant diseases and insect pests, and harvesting. The tar cultivating method is different from the prior art in that the steps of ridging and excavating planting holes after preparing the land, and planting in two ridges by the improved manner are performed, thus the diseases and toxication on stem tubers can be effectively reduced; in addition, the taro cultivated by the method tastes the same as Lipu taro, and is smooth in pulp, and large in size; the taro with white pulp, fluffy and soft texture, fragrance and sticky taste is the high-quality taro.

The invention discloses a garden seedling transplanting method. The method is characterized by comprising the following steps that S1, seedlings are pretreated, wherein to-be-transplanted seedlings are pruned first; S2, a tree is transplanted, wherein a soil ball is dug under the rhizome of the tree; S3, packaging and digging are conducted, wherein a straw rope is adopted for grid making packaging, and then a string is used for bundling; S4, a planing hole is pretreated, wherein the planting hole is watered first, and then root growth fertilizer is added; S5, supporting, planting and maintaining are conducted, wherein a triangular or square support frame is used for supporting the tree, and watering is conducted every day within 15 days after transplanting. The technical effects that by means of a scientific transplanting cultivation method, and by cooperatively using organic fertilizer, inorganic fertilizer and microbial fertilizer, the soil environment is affected, the tree newly transplanted into the hole is promoted to grow out lateral roots rapidly, the tree returns to the normal state rapidly, and the tree needed for greening is transplanted at a high survival rate are achieved.

The invention relates to an environment protective type casting system of aerosol, which comprises one or several propellants, by employing the environment-friendly type propellant separately, or using the environment-friendly type propellant system consisting of several propellants, the compatibility of the feed liquid can be improved substantially.

The invention discloses an environmentally-friendly organic fertilizer. The environmentally-friendly organic fertilizer is prepared from, by mass, 65-70 parts of mixed sheep rabbit manure, 120-130 parts of rice washing water, 1-3 parts of traditional Chinese medicine liquid, 6-10 parts of tobacco powder, 5-8 parts of tea seed cakes, 3-6 parts of vinegar residues and 1-3 parts of a strain. The environmentally-friendly organic fertilizer adopts a modern scientific and technological biotechnology, the selected raw materials are scientifically configured, are green, are environmentally-friendly and are low in cost, and the produced fertilizer contains multiple trace elements including nitrogen, phosphorus, potassium and the like required by fruit growth, is added with the traditional Chinese medicine liquid, is prepared by adopting an unique method, can promote the balance of fruit plants, comprehensively absorb the trace elements and promote the growth and root system development of the fruit plants, can perform soil sterilization and disinfection and prevent the occurrence of physiological diseases, uses the rice washing water to replace rain water or pure water, is high in nutrient, good in absorbability and is more advantageous to the growth of fruits. When the organic fertilizer is used, 50-60 kg of the organic fertilizer is applied per mu, mainly adopts centralized application modes, such as furrow application and hole application, is covered with soil after application and enables growing fruits to be bright in color and luster, good in taste and good in disease resistance capability, be completely full and be resistant to storage and transportation.

The invention relates to a pesticide prepared from Chinese herbal medicines. The pesticide comprises the following components: 5 parts of kusnezoff monkshood mother-root, 8 parts of gamboge, 5 parts of lightyellow sophora root, 20 parts of hairyvein agrimonia herb, 5 parts of obtuseleaf senna seed, 1 part of oriental waterplantain tuber, 7 parts of lotus leaf, 15 parts of sweet wormwood herb, 12 parts of welsh onion, 20 parts of soybean, and 9 parts of salvia miltiorrhiza. The pesticide also comprises 2 parts of purple perilla stem and 2 parts of lightyellow sophora root. The pesticide provided by the invention adopts pure-natural traditional Chinese medicine raw materials, such that the pesticide is non-toxic. Also, the various traditional Chinese medicine raw materials have different pharmacological properties. With the formula provided by the invention, good pesticidal, disease-prevention and disease-treating effects can be provided. The pesticide can be widely applied, and has short-time or no residue in soils and crops. When the products of crops applied with the pesticide is eaten, no disease risk is caused.

The invention discloses a purely natural soil insectofungicide. The insectofungicide is prepared from the following raw materials in parts by weight: 10-14 parts of fructus ulmi, 5-10 parts of rumex japonicus, 5-10 parts of fructus quisqualis, 6-12 parts of cortex meliae, 10-14 parts of garlic, 5-10 parts of Chinese prickly ash, 5-8 parts of radix stemonae and 10-15 parts of semen arecae. The environment-friendly soil insecticide disclosed by the invention is a pollution-free and broad-spectrum insecticide dedicated for soil, which is obtained in the way that the raw materials are scientifically prepared and subjected to supercritical carbon dioxide extraction by adopting the biotechnology of modern science and technology; compared with water decoction in the prior art, the adopted technology has the following advantages: various effective components are easier to extract, the use ratio of the traditional Chinese medicine is high, the insecticidal and antibacterial effects are better, the drug property is mild, pests, bacteria and spawns in soil can be effectively killed, environmental pollution is avoided, and the insectofungicide is basically free of toxic and side effects on human and livestock, long in effective duration, low in dosage and high in safety.

The invention discloses Chinese herbal medicine plant nutrient powders which are prepared from the following raw materials in parts by weight: 2-3 parts of folium viticis negundo leaf ash, 1-2 parts of tea-oil tree leaf ash, 6-15 parts of ailanthus leaves, 20-40 parts of straight ladybell roots, 30-50 parts of gynostemma pentaphylla leaves and stems and 10-20 parts of alfalfa leaves and stems. The Chinese herbal medicine plant nutrient powders disclosed by the invention are used in match with water, and is used for plant foliage spray. The utilization rate of fertilizers is improved, the growth of plant is remarkably promoted, and the Chinese herbal medicine plant nutrient powders have the characteristics of being high in efficiency, low in toxicity and free of residues, and have relatively good pest-killing, disease-preventing and disease-treating effects.