46results about How to "Reduce pesticide application" patented technology

The invention relates to an environment-friendly plant source disease-resistant growth promoting agent and a preparation method of the environment-friendly plant source disease-resistant growth promoting agent. According to the plant source disease-resistant growth promoting agent, a dandelion extract, a ginkgo biloba extract and a burdock oligosaccharide-copper complex are used as main components and are mixed with monopotassium phosphate or potassium nitrate, magnesium sulfate, zinc sulfate, ferrous sulfate, boric acid and copper sulfate serving as large nutrient elements, medium nutrient elements and micronutrient elements; and the plant source disease-resistant growth promoting agent is prepared by compounding, chelating and fully stirring. Combining nutrition and disease resistance into a whole, the plant source disease-resistant growth promoting agent is wide in spectrum resistance; and by improving the immunity of a crop, the health of the plant is increased, the disease resistance of the plant is increased, pesticide application amount is reduced, the yield and the quality of the crop are improved, the performance is stable and the environment is friendly.

The invention discloses a method for planting tomato vegetables in a greenhouse. The method includes the steps that a good variety which can mature early and is disease resistant, low-temperature resistant and weak-light resistant is selected, the seeding quantity ranges from 25g to 40g per mu, the temperature of the seedling growing greenhouse is kept ranging from 20 DEG C to 25 DEG C, seedling hardening is properly carried out 5-7 days before field planting, 3000kg of thoroughly-decomposed manures, 50kg of organic fertilizers and 40kg of ammonium bicarbonate are applied to each mu of land to serve as base fertilizers, when the temperature inside the greenhouse in the day is higher than 20 DEG C, strong seedlings with buds are selected to be transplanted, 3500-4000 seedlings are planted in each mu of land, row covers are erected after field planting is carried out, and picking is carried out after about 30 days. According to the method, a site is provided for scientific research and achievement transformation of the tomato vegetables, the combination of the science and technology and the production is promoted, the achievement transformation speed is quickened, and the achievement transformation rate is improved.

The invention provides a method for mixed planting of cotton, sorghum and green manure crop to improve saline-alkaline soil and belongs to the technical field of crop mixed planting. The method includes following steps: performing deep ploughing and unturned soil sunning from October to November of the first year to obtain saline-alkaline soil after unturned soil sunning; performing watering and salt pressing on the saline-alkaline soil before seeding cotton and sorghum to obtain saline-alkaline soil after salt pressing in the second year; in the middle to late of April of the second year, seeding cotton and sorghum in the saline-alkaline soil after salt pressing to form a cotton seeding belt and a sorghum seedling belt; intercropping cotton and sorghum by uniform amplitude: intercropping7 rows of sorghum with 4 rows of cotton; in the middle to late of August of the second year, harvesting sorghum, and broadcasting green manure crop seeds at sorghum stubbles; on October of the secondyear, defoliating the cotton for accelerating ripening, and harvesting the cotton; from late March to early April of the third year, directly turning and burying the green manure crop, and performingrotary tillage to prepare soil. After adopting the method for mixed planting, salt content of land is remarkably lowered, effect on improving the saline-alkaline soil is obvious, and yield of the cotton and the sorghum can be increased effectively.

The invention discloses a method of field management of a tomato greenhouse. The method includes the steps that first, soil preparation is performed through deep tillage; namely, the 30-40cm deep tillage is performed with a shovel half a month before planting; second, watering is performed, and when tomato plants are planted, the cultivation temperature is high in autumn and winter; third, water is controlled and fruit is retained because in tomato greenhouse cultivation, the tomato plants easily grow excessively and then suffer abnormal phenomena such as blossom dropping, fruit dropping and slow fruit growth; fourth, the greenhouse is kept warm and light is added; when the tomato plants are planted in autumn and winter or in winter, the temperature is lowest and the light is weakest all through the year, and thus the temperature and light management is critical to the success of the cultivation; when the temperature and light requirements are met reasonably, the cultivation effect can be good; fifth, the temperature is adjusted; generally, stove fire is closed or made to burn slowly on sunny days except special cold weather, and it wound be better if the temperature is not too high in the first half of the night; sixth, the light is adjusted; light is weak in winter, measures are taken to prolong the light application time for the tomato plants; seventh, fertilization is performed to fully promote normal and robust growth of the plants and make the plants yield more fruit. The method of field management of the tomato greenhouse can make the plants grow uniformly, increase the output and make the plants difficult to catch diseases. The method not only can promote the grade of goods but also is favorable for preventing diseases and making tomatoes continuously come into the market, and can avoid wasting labor and time, avoid premature senility of the tomato plants and accordingly improve economical benefits.

The invention discloses a method for delayed cultivation of tomatoes in autumn, which consists of the following steps of 1, selection of varieties: early-maturing big-fruit type varieties are mainly adopted; 2, seeding in optimum period and erecting a sunshelter: early maturing varieties are seeded on 15th to 23rd in July, medium and late maturing varieties are seeded in the first ten days and the middle ten days in July, and the seedling age is 25-30 days; 3, ploughing under to great depth at an early date: after the preceding crops are harvested, dead twigs and withered leaves and weeds are cleared away in time, stubbles are deeply tedded and soil is cured so as to make preparation for bed adjusting; 4, early planting in optimum period: early planting is needed to be carried out in the last ten days of August when a young seedling has seven main leaves and slightly squares, and if the young seedling is planted late, the young seedling possibly excessively grows in the seedling bed, matures late and is easily damaged in later period; and 5, early coverage for winter protection: the step is carried out before and after Cold Dew, the weather turns cool and when the outside temperature drops to below 20 DEG C. The method has the advantages that the plants grow in order, the yield is increased, and the plants are not easily infected with diseases, the grade of commodities is improved, disease prevention and continuous appearing on the market of products are favored, labor wasting and time wasting and premature senility of the tomatoes are avoided, and accordingly the economic benefit is improved.

The invention discloses a method for planting cabbage in a greenhouse. The method comprises the steps that 15-30 grams of seedlings are sown in the solar greenhouse per square meter and covered with the screened fine grained soil for soil moisture conservation after seedling sowing, the seedling nursery is prevented from being cracked, and before seedling emergence, the temperature of the greenhouse is kept in the range from 15 DEG C to 25 DEG C; when about 3 main leaves grow on the seedlings, the first-time seedling separation is carried out, the seedlings are conveyed into a nutrition pot, and the temperature of the seedbed greenhouse is controlled within the range from 8 DEG C to 20 DEG C; when 6-7 main leaves grow on the seedlings, the field planting can be prepared, when tender leaves occur, the sufficient water and fertilizer need to be supplied, the early-maturing variety starts to be harvested in the middle ten days of May every year, and the middle-early-maturing and medium-maturing variety is harvested between the last ten days of May and the first ten days of June. According to the planting method, the development of the cabbage planting of the vast farmers of surrounding villages and towns can be rapidly promoted towards large-scale, low-cost, high-benefit and pollution-free directions.

The invention relates to a seedling-raising medium, and especially relates to a seedling-raising medium production method. The method is characterized in comprising the following steps: a, waste furfural residue is composted and fermented, wherein urea is added before fermentation for adjusting a carbon-nitrogen ratio to 25:1; during fermentation, turning time and frequency are determined according to fermentation temperature; b, fermented and composted furfural residue is subjected to sunlight exposure; c, the fermented and composted furfural residue, perlite, vermiculite, furnace slag, urea, monoammonium phosphate, potassium sulfate, carbendazim and the like are weighed according to a certain ratio, and are well mixed, such that the seedling-raising medium is obtained. The seedling-raising medium has unique raw materials. With the seedling-raising medium, the soilless cultivation yield is high, the cost is saved, pest and disease seldom occur, the production period is short, weather and season influences are low, and vegetable products are provided with good flavors and quality. The medium and the method facilitate the realization of agricultural mechanization and automation, and facilitate standardized management.

The invention discloses a pesticide composition, and a preparation method and an application thereof, and relates to the technical field of pesticides. The pesticide composition contains active components of pyraclostrobin, imidacloprid and fludioxonil, wherein the weight ratio of pyraclostrobin to imidacloprid to fludioxonil is 1 to (0.1-20) to (0.1-10). The pesticide composition can prevent and treat potato various diseases and insect pests generated in a mixing manner or in succession through application for one time, is good in prevention and treatment effects, reduces the pesticide application amount, reduces the cost and has little pollution to the environment.

The invention relates to the field of crop planting, in particular to an intercropping method of cotton and peanuts. To increase the yield of the peanuts and cotton in the unit planting area, the intercropping method of the cotton and peanuts is provided. Six rows of peanuts are intercropped every four rows of cotton, and a spacing band with the width being 30-50 cm is arranged between a cotton sowing band and a peanut sowing band. The cotton and peanuts are intercropped, and the unit yield of the peanuts and cotton can be obviously increased; compared with mono-cultured cotton and peanuts, the average increasing yield of the cotton is 10-15%; the average increasing yield of the peanuts is 5% or above; according to the comparison between the intercropping mode under other proportion conditions and the proportion condition that six rows of peanuts are intercropped every four rows of cotton, the growing rates of the unit yield of the cotton and peanuts reach a maximum.

The invention provides an enantiomer mixture and a preparation method and application thereof, and belongs to the technical field of pesticide chemistry and organic synthesis. The enantiomer mixture is a mixture of S-zoxamide and R-zoxamide, and the enantiomer is high in purity, according to the pesticide pharmacological effects of zoxamide, the rational use is carried out, the enantiomer mixtureis prepared by zoxamide optical isomers in proportion aiming at the crops of different species and diseases conditions of the crops to increase the bactericidal efficacy of zoxamide, meanwhile, the pesticide application amount of zoxamide can be effectively reduced, possible risks of environmental pollution is reduced, and the pesticide residue amount in the crops and farmland is reduced.

The invention provides a method for preventing watermelon fruits from pesticide pollution and disease and pest damage. High temperature and high humidity weather in a greenhouse are easy to induce the disease and pest damage of watermelons, and the normal control method is to spray pesticides. With the increasing of use frequency of the pesticides, the pesticide application quantity is increased, the pesticides remained on the fruits are continuously increased, so that the edible safety of the watermelons in the market is becoming more dubious. The invention provides a method for preventing the watermelon fruits from the pesticide pollution and the disease and pest damage, the problem that the watermelon fruits are easy to be polluted by the sprayed pesticides is solved by uniformly spraying polyvinyl alcohol solution on the withered watermelon fruits at one step, and moreover, the damage of various bacteria and pests suffered by the watermelon fruits during expanding can be prevented; the pesticide application quantity is reduced, and beneficial conditions for producing high-quality and nuisanceless watermelons are created.

The invention belongs to the technical field of grape renovating, and discloses a greenhouse grape VF-shaped tree and a cultivating method for the same. The greenhouse grape VF-shaped tree consists oftwo trunks, the distances from the two trunks to the ground are 2m, the two trunks are distributed in a V-shaped manner, the widest distance in the V-shaped space is 1 m, two secondary shoots are cultivated on the first trunk, the length of the first secondary shoot is 2.5 m, the length of the second secondary shoot is 2 m, and a high-position single-trunk double-arm-shaped tree is formed by thewhole first trunk; a branch at the position, with the height of 2 m, of the second trunk grows obliquely to one side and pinching is carried out after the length of the branch reaches 1.5 m, and two secondary shoots from north to south are cultivated; the length of the third secondary shoot is 2.5 m, the length of the fourth secondary shoot is 2 m, a fruiting branch from east to west is cultivatedat the position, with the height of 1.5 m, of the second trunk, the length of the fruiting branch is 1 m, the fruiting branch is used for bearing fruits, and thus, the second trunk forms an F-shapedtree; and therefore, the VF-shaped tree is formed finally. By the tree, the problems of poor green grape fruit coloring, slow sugar content rising and low fruit quality can be solved.

The invention provides a planting method for cleistengenes songorica intercropping on sand. According to the method, annual plants with large seeds, thicker stems, a large number of leaves and high growing speed are used for intercropping with cleistengenes songorica. By the application of the intercropping method, the survival rate of cleistengenes songorica seedlings can be increased by 17% or above, the weed cover degree is reduced by 77% or above, the production cost and the pesticide application amount are reduced greatly, and the ecological environment of desert regions is well protected.

The invention belongs to the field of pesticides, and particularly relates to a soybean foliar fertilizer which comprises boric acid, potassium carbonate, epsilon-polylysine, humic acid, itaconic acid, trace elements, diethylaminoethyl hexanoate, water and a chelating agent. The soybean foliar fertilizer has the advantages of disease prevention and bacteriostasis, stress resistance and phytotoxicity removal, is rich in boron and potassium elements, meets the requirements of crop growth and development, and enhances the economic benefits.

The invention discloses a benzovindiflupyr and strobilurin fungicide composition. The benzovindiflupyr and strobilurin fungicide composition is characterized by being composed of an active constituent of benzovindiflupyr and an active constituent (II) at a weight ratio of 0.1-10:30-1, wherein the active constituent (II) is either of kresoxium-methyl and pyraclostrobin. The benzovindiflupyr and strobilurin fungicide composition achieves multi-site prevention, delays resistance, achieves synergistic effects, prolongs the lasting period, reduces environmental pollution, improves the fungicide utilization rate and reduces fungicide application.

The invention relates to the field of agricultural habitat management, in particular to a method to control farmland landscape pests via habitat management. The method includes the steps of dividing afarmland landscape area into a cultivation part, a transition part, and a non-vegetation part, and carrying out yearly rotation in paddy / vegetable patches and dry patches, to be specific, using a wheat-corn and alfalfa interplanting mode in the dry patches, wherein wheat, corn and alfalfa belts are respectively 60-80 m, 2.1-2.3 m and not less than four times of harvester width in width, one wheatbelt and one corn belt locate on two sides of one alfalfa belt, wheat and corn are subjected to single-year to two-year rotation, and alfalfa and wheat-corn are subjected to four-year to five-year rotation; building a protective forest belt around the cultivation part; mowing alfalfa once to twice in early June and July each year, and weeding the corn belts in mid-late July by mechanized plowing,and spraying leaf fertilizer and pesticides to the wheat belts in early to mid-June. The paddy and dry rotation mode is used herein to effectively kill dry farmland pests via paddy fields; the protective forest can effectively isolate pests which spread with wind; alfalfa mowing enables wheat field enemies to migrate to wheat fields on two sides, and the pests are biologically controlled.

The invention discloses a corn foliar multi-effect anti-adversity agent and a preparation method thereof. The purpose of the invention is to solve the problems of corn output increase affection, soil hardening, bad mouthfeel, frequent pest disease and great increase of the dosage of pesticides, caused by years of continuous cultivation and single chemical components. The corn foliar multi-effect anti-adversity agent is provided in a pesticide and fertilizer combination mode. The corn foliar multi-effect anti-adversity agent has the advantages of low production cost, small chemical residual to corn, substantial enhancement of the cold, drought, wet, adversity and disease pest resistance of corn, effective killing of corn pests, prevention of the pest disease of corn, effective reduction of the application amount of pesticides, corn production cost reduction and corn product safety guaranteeing. The corn foliar multi-effect anti-adversity agent can effectively improve the corn output, solve crop element deficiency caused by unreasonable fertilization, alleviates fertilizer harms and pesticide harms caused by improper pesticide application, and also can effectively improve the soil structure, increase the soil fertility and restore soil.

The invention discloses a research method of a pesticide-fertilizer composite seed coating agent for sorghum, belonging to the field of pesticide-fertilizers for sorghum. The method specifically comprises the following steps: S1, screening a formula for a seed coating pesticide: S1.1, screening proper bactericides and insecticides according to sorghum head smut and main soil insects by using methods of indoor toxicity measurement, seed safety test and the like, and determining the optimal dosages of the bactericides and insecticides; and S1.2, according to growth rules of sorghum, screening out an appropriate growth regulator by using an indoor seed germination method, and determining the optimal dosage of the growth regulator; S2, screening a formula for a seed coating agent micro-elementfertilizer; S3, screening a formula for a seed coating agent auxiliary agent; S4, detecting technical indexes of the seed coating agent; and S5, evaluating the biological effect of the seed coating agent. The sorghum seed coating agent which can promote seed germination and seedling growth, prevent and control seed propagation and main diseases and insect pests in a seedling stage and reduce theapplication amount of chemical fertilizers and pesticides is developed in virtue of the research method.

The invention relates to a special fertilizer for gastrodia elata. The special fertilizer comprises the following raw materials: 2-5 parts of goat blood, 3-5 parts of phosphate diamine, 0.5-0.8 part of boric acid, 15-22 parts of agaricus bisporus, 3-5 parts of argyreia acuta, 12-15 parts of elm bark, 6-9 parts of rubia cordifolia, 3-6 parts of artemisia annua, 2-6 parts of viscum articulatum, 0.5-1 part of EM microbial strain, 2-3 parts of sulphur and 9-15 parts of mulberry leaves. The special fertilizer for gastrodia elata provided by the invention can reduce the fertilizer application dose and improve the health-care value of gastrodia elata.

The invention discloses an open field culture method for tomatoes in spring. The method comprises the following steps: (1) selection of a variety of tomatoes, wherein the variety of Jinfenzaoguan can be used for open field culture of a spring tomato; (2) cultivation of a strong seedling of the right age, wherein early sowing is carried out at proper time, and normally, the age of the seedling is in a range of 60 to 70 d; (3) early transplanting and close planting, wherein a setting date is in the first and second thirds of April; (4) timely irrigation, wherein after recovery of the tomato seedling planted in a field, deep intertillage is carried out; (5) application of fertilizers, wherein since the growing period of the spring tomato is short, a base fertilizer should be sufficiently applied at a time, and topdressing frequencies should be a few and centralized; and (6) dipping of flowers, wherein dipping of the flowers should be carried out as fast as possible when a temperature is more than 30 DEG C, because falling of flowers and fruit frequently happens in a high temperature season in a later stage of fruit-retaining yield-increasing late-maturing tomatoes. The method provided by the invention enables plants to neatly grow and output to be increased and allows the plants not susceptible to diseases; with the method, a commodity grade can be improved, diseases prevention is realized, tomatoes can come into the market continuously, and consumption of labor and time and premature senility of the tomatoes are avoided.

The invention provides a dwarfed wide-row dense-planting apple cultivation and management method. The method comprises the following steps: (1) laying gardening ground fabrics before blooming, enabling the ground fabrics to cover ground below orchard planting saucers, and enabling joints to superpose each other; (2) about 40 days after a stage of full bloom, bagging fruits, of which the height issmaller than 1.7m, and not bagging fruits, of which the height is greater than 1.7m; (3) after bagging, immediately erecting fly nets; (4) suspending a peach fruit borer sex pheromone lure; and (5) 15to 20 days before harvesting, removing inner bags prior to removing outer bags. According to the method, in a mode that layered bagging is carried out according to heights, the consumption of labor is effectively lowered, the consumption of raw materials is lowered, and the cost is reduced. According to apples produced by adopting the method provided by the invention, lower bagged fruits are scarlet in fruit face, beautiful in appearance and crisp and juicy in taste; and upper unbagged fruits are thick-red in fruit face, high in nutritional ingredient content, high in sugar content and sweetand crisp in taste.

The invention belongs to the field of plant protection, and relates to a pesticide composition and an application field. The invention relates to a combination of ricin insecticides and conventional insecticides, mainly used for the control of harmful arthropods in crops. The invention firstly discloses a method for extracting ricin-containing insecticidal active substance, and secondly, disclosesa ricin insecticidal substance and conventional insecticide composition and application. The ethanol solution is combined with the ultrasonic extraction to obtain the ricin insecticidal substance, and the obtained ricin insecticidal substance has a remarkable synergistic effect on a plurality of insecticides; the composition disclosed has the advantages of simple using method, convenient popularization and application, and good control effect on various target arthropods such as the cotton leaves, the spodoptera litura, the spodoptera litura, the diamondback moth, the worm, the whitefly, thealma and the leaves, and the like; the application amount of the pesticide can be reduced to a great extent, and the resistance development of the target arthropod to the pesticide can be delayed, meeting the requirements of current pesticide reduction and environmental protection.

The invention discloses a breeding method for a southern blight-resistant and wilt of dendranthema morifolium. The breeding method comprises the steps of selecting the variety, cultivating the resistance, breeding cutting seedlings, breeding the stability and the consistency of a property, conducting a variety comparison test, a production test and disease statistics for continuous two years, and determining the disease-resistant variety NJK-1 of the dendranthema morifolium with the property. The breeding method has the advantages that a research is conducted by screening the disease-resistant variety as an object and integrating indexes such as a yield, the inherent quality and the property of the dendranthema morifolium, so that the disease-resistant variety of the dendranthema morifolium, which is stable in property and good in quality is cultivated; the disease resistance is improved and plant diseases and insect pests are reduced, so that the yield of the dendranthema morifolium is at least increased by 44%, the production costs of an agent for preventing and treating the diseases, manual work and the like are saved greatly, and very good economic and social benefits are generated; the application amount of a pesticide is reduced, so that secondary pollution to an environment is reduced, and a chronic injury to human health is reduced; and the breeding method is convenient to operate, simple, easy, and easy to achieve.

The invention discloses a slow-release fertilizer for corn and a preparation method thereof. The objective of the invention is to overcome the problems of waste of fertilizer and necrosis of part of leaves in conventional foliar fertilization manner for corn and the problems of insufficient supply of fertilizer and influence on normal growth of corn due to human factors in the prior art. The slow-release fertilizer comprises, by weight, 15 to 25 parts of polyvinyl alcohol, 5 to 8 parts of starch, 2 to 5 parts of wilfordine, 20 to 35 parts of plant ash, 5 to 10 parts of nitrate nitrogen fertilizer and 20 to 80 parts of water. The slow-release fertilizer for corn provided by the invention makes a breakthrough to conventions; and when the slow-release fertilizer is used as a base fertilizer, needs of corn in growth are met through slow release of the slow-release fertilizer, and continuous and long-acting supply of nutrients to corn is realized. During growth of core, needs of corn for water and nutrients can be met only by watering; and since foliar fertilization is not needed for corn, necrosis of part of leaves is prevented, waste of the fertilizer is effectively lowered, cost for the fertilizer can be saved, and investment for agricultural production is reduced.

The present invention generally relates to herbicides, and more particularly to herbicide compositions suitable for plants of the Poaceae Scutellaria genus. A high-concentration herbicide suitable for plants of the Poaceae Scutellaria genus, the main feature of which is that the ratio (weight) of its raw materials is: glyphosate 35% to 85%; dipropazone 10% to 15%; Engine oil 4% to 52%. The advantage of the invention is that the herbicide does not need water, and has the characteristics of low pesticide application amount, stock solution spraying, high application efficacy and quick effect. The herbicide of the present invention has a killing rate of more than 92% for the plants of the genus Scutellaria. In plot tests, the killing rate of the present invention to stinky grass reaches 92% to 97.5%; in the small-scale test demonstration stage at the level of herdsmen, the killing rate of the present invention to stinky grass and stinky grass reaches 92% to 92%. 95.5%. After 5 years of killing stinky grass and stinky grass, under the natural state, the vegetation functional group structure of the degraded grassland can be restored to the state before the grassland degradation, and the grassland production capacity can be increased by 68% to 80%.

The invention discloses a no-tillage water-replenishing seeding method based on a full-amount straw coverage condition, which comprises the following steps: in an aeolian sandy soil region or a severe wind erosion region with the rainfall capacity of below 450mm and after corns enter a full ripening stage, harvesting by adopting a large corn harvester, crushing corn straws, and uniformly spreading the crushed corn straws on the ground surface; and uniformly mixing rice husks and / or beet pulp with dry bacillus subtilis powder, and uniformly spreading the mixture on the corn straws. According to the method, the tillage and soil preparation cost in the corn planting process can be reduced, the emergence rate is increased, the application amount of pesticides such as herbicides is reduced, the corn yield is increased, the agricultural ecological environment is improved, sustainable utilization of black soil resources is promoted, and rapid development of agricultural modernization is promoted.

The invention discloses an image technology-based rice sheath blight hazard identification method. According to the method, a ruler rod for calibration is designed and comprises a rod body; red, green and blue standard color cards are arranged on the rod body and used for performing three-channel calibration on a collected image; the method is adopted for collecting a field rice image and used for hazard identification; and the collected image is calibrated by adopting an image enhancement method, then feature extraction of the rice sheath blight image is performed, and hole severity level division of the rice sheath blight image is performed: according to an obtained disease condition index value, the rice sheath blight is identified to be in a disease level. The method is simple and clear; the labor intensity is greatly reduced; the working efficiency is improved; and the disease condition can be reflected timely, accurately, quickly and comprehensively.

The invention discloses a preparation method of activated sludge spray-type fertilizer. The preparation method comprises the following steps: mixing the activated sludge with water, and sieving with a 20-mesh sieve to obtain a suspension; adding ferric sulfate, stirring at a speed of 150-200r / min, performing centrifugal separation, adding water into a solid mixture, crushing sludge cells by using ultrasonic, performing centrifugal separation, and taking supernatant; and adding epsilon-polylysine, ascorbic acid, ammonium molybdate, methylene succinic acid and diethyl aminoethyl hexanoate, and uniformly stirring to obtain the activated sludge spray-type fertilizer. According to the fertilizer prepared through adopting the method, toxic components are effectively removed from the activated sludge, and polysaccharides, proteins, trace elements, a variety of minerals and other nutrients are extracted from the sludge; and by matching with other components, the activated sludge spray-type fertilizer can regulate the balance of plant nutrients, enhance the disease resistance of plants and has the effect of inhibiting harmful bacteria.

The invention provides a mixture of enantiomers and its preparation method and application, belonging to the technical fields of pesticide chemistry and organic synthesis. In the present invention, the mixture of enantiomers is a mixture of S-benzamid and R-benzamid, and the purity of the enantiomers is high. According to the pesticide pharmacological effect of benzamid, rational use and targeting at different species In order to improve the bactericidal efficacy of benzamid, and at the same time effectively reduce the amount of pesticide application of benzamid, and reduce Possible risks of environmental pollution and reduction of pesticide residues in crops and fields.

The invention relates to an organic bacterial fertilizer belonging to the technical field of agricultural production, and particularly relates to a functional multi-resistant biological organic bacterial fertilizer promoting growth of farm crops and cash crops. The multi-resistant biological organic bacterial fertilizer is prepared through the following steps: preliminarily mixing fresh cattle manure, fresh sheep manure, fresh chicken manure and powdery plant straws according to a certain volume ratio, then admixing with multiple biological bacteria and minor elements, and fermenting. According to the invention, the formula of the multi-resistant biological organic bacterial fertilizer chooses the organic raw materials which contain natural active substances and decomposition products and can inhibit and reduce soil-borne diseases; and meanwhile, the biological florae secrete multiple antibiotics and plant active substances, the enriched multiple fatty acids and antibiotics can obviously inhibit and relieve the soil-borne diseases of the crops, and the comprehensive nutrients improve the disease resistance of the crops. Thus, the fertilizer has better antibacterial and disease-resistant effects.