272 results about "Pesticide pollution" patented technology

The invention relates to a system for intelligently monitoring and controlling crop pests and diseases. The system is characterized by comprising a monitoring computer and a pesticide spraying device which is arranged in a crop growing place, wherein the monitoring computer drives the pesticide spraying device which is connected with the monitoring computer; a time controller and a pesticide spraying selective driving module are arranged in the monitoring computer; and the time controller controls and starts a corresponding spray head of the pesticide spraying device through the pesticide spraying selective driving module. The system has the following advantages that: 1, intelligentization is realized, the degree of automation is high, the control modes are diversified, the control is performed in time, and the using effect is good; 2, the solar energy is used as a power supply of monitoring equipment, so that the energy-saving effect is good; 3, the monitoring equipment not only can automatically control the water supply or the pesticide spraying of cultivated crops, but also has a multi-aspect management and control ability of controlling pests and diseases of the crops in different areas of the same place; and 4, the health condition of the crops is monitored in real time by using a monitoring probe, so that the crop pests and diseases are pre-warned in time and are controlled appropriately. Therefore, the system is not only favorable for ensuring the growth of the crops and the production bumper harvest of agriculture, forestry and tea industry, but also can greatly reduce medicament waste and pesticide pollution.

The invention discloses a drip irrigation dry-farming planting method under a rice direct seeding film, which belongs to a crop planting agriculture method. A timely seeding operation is carried out after the preparation before seeding is finished; the seeding operation is as follows: the operations of drip irrigation zone paving, film covering, punching, hole seeding and soil covering on a hole are accomplished by one time by a drip irrigation tube-paving film-paving fine seeder under the film; the drip irrigation zone is arranged on the lower surface of a plastic film and is connected with a water-carriage system; and timely and proper water dripping and fertilizing are carried out according to the growing demand of the crops. The drip irrigation dry farming planting method can be applied to save water by 60 to 70 percent, save the fertilizers by 30 percent, have high degree of mechanization, save labor, reduce the field management and reduce the pesticide pollution.

The invention provides a biocontrol bacterial strain for preventing and treating plant diseases and its bacterial agent, belonging to the field of biological control. The strains used are Gram-negative bacteria, identified as Lysobacter enzymogenes, and the strain code is OH11. Strain OH11 has no flagella but has slippage, can produce various extracellular hydrolytic enzymes including chitinase, β-1,3-glucanase and protease, and can effectively inhibit the growth of fungi and bacteria. The antibacterial zone diameters of strain OH11 against Sclerotinia sclerotiorum and Phytophthora capsici were both greater than 22.0 mm; the antagonism against potato ring rot was stronger, and the diameter of the inhibition zone reached 50 mm. The OH11 strain was inoculated into the seed tank, cultivated to the logarithmic growth phase, and the seed liquid was connected to the production tank for cultivation. The medium used in the production tank was the same as that of the seed tank. The liquid fermentation adopts aerobic submerged fermentation and fed-batch process, the dissolved oxygen is 15%-20%, the fermentation temperature is 30°C, the fermentation time is 72h, and the initial pH value is 7.5. After the fermentation is completed, the culture solution is taken out of the tank and directly packed into liquid dosage forms with plastic packaging barrels or packaging bottles, or subpackaged into solid dosage forms with peat adsorption packaging bags. The biocontrol strain OH11 can effectively control plant pathogenic fungi, bacteria, nematodes and other diseases, and the overall control effect is 50%-70%. In the greenhouse pot experiment, the control effects of OH11 on pepper blight and tomato bacterial wilt reached 83.6% and 86.4%, respectively. Strain OH11 has the characteristics of broad antibacterial spectrum, high activity, and environmental safety. In today's serious pesticide pollution, zymolysobacterium and its bacterial agent will be a good substitute.

The invention discloses a method for preparing mulberry leaf tea. The method comprises the following processing steps that: 1, mulberry leaf picking; 2, air-drying and withering; 3, rotating; 4, desiccating at high temperature; 5, spreading for cooling; 6, secondary desiccation at high temperature; 7, rolling; 8, initial drying; 9, winnowing; 10, chopping; and 11, baking. The invention provides the method for preparing mulberry leaf tea without physical and chemical pollution of plant diseases and insect pests, mud, faecal pollution of birds and insects, pesticide pollution, air pollution and the like.

The invention relates to the technical field of a paddy rice planting method, in particular to an environment-friendly nuisance-free paddy rice planting method. The method comprises the following steps: tilling a field, that is, tilling a field for planting the rice and applying a biogas fertilizer to the paddy field; preparing seeds and raising rice seedlings, that is, selecting a high-quality rice variety with compact plant shape, strong resistance and high yield, then sterilizing and soaking the seeds for seeding use, or soaking the seeds and raising the seedlings for transplantation; seeding the rice seeds or transplanting the raised rice seedlings; driving green ducks which are 18-20 days old or adult ducks to the paddy field within 25-40 days after the rice seedlings come out or 10-20 days after the rice seedlings are transplanted by throwing; driving the ducks from the paddy field or feeding the ducks in a duck shed in the paddy field to prevent the ducks from eating immature rice grains and resulting in yield reduction when the rice seedlings are in a milk ripe stage and a dough ripe stage; and harvesting the rice grains after the rice grains become mature. In cultivation and field management, the method helps scientifically manage various links of paddy rice growth, effectively control pest damages to the paddy field by feeding the ducks in the paddy field in different rice growth periods, thus promoting ecological balance, controlling pesticide pollution, ensuring good agricultural environment and promoting yield increase of the rice.

The invention relates to a method for breeding adult crabs in rice fields. In the method, a rice, one-year crab species and soybean triune three-dimensional ecological planting and breeding model is adopted. The method has the following advantages that: the method is a new planting and breeding technology which improves the rice and crab symbiosis entironment and realizes pollution-free and eutrophicating rice and crab products by utilizing the mutual control and mutual promotion effects of the biological chains formed among such living beings as rice, pests, river crabs and the like according to organic combination of growth regularity of rice and the living beings; space, land resources and water resources are reasonably utilized and three-dimensional production of the rice fields is realized; and the regulation behavior of the natural ecosystem is simulated in the artificial ecosystem, diseases, pests and weeds in the rice fields are controlled by breeding crabs in the rice fields, ecological equilibrium is promoted and pesticide pollution is controlled, the rice yield can be increased, the agriculture cost can be lowered, increase of income of the farmers can be realized and the resource-conserving and environment-friendly ecological agriculture capable of realizing sustainable development is realized.

The invention provides a method for propagating Aphidius gifuensis by pea aphids. The method provided by the invention utilizes two facilities including a seedling culture big shed and a field small shed and takes broad beans and peas as host plants for propagating aphids; the method takes the pea aphids as host aphids for propagating Aphidius gifuensis and then the propagated Aphidius gifuensis are released to a large-scale tobacco field to kill the aphids on tobacco leaves. The method selects the broad bean seeds and the pea seeds and then tender green bean plants are cultivated in a big greenhouse or the small shed built in the fields; the pea aphids are inoculated on the bean plants and then the pea aphids are propagated; then the Aphidius gifuensis is inoculated on the tender bean plants which is propagated with a lot of pea aphids and then the Aphidius gifuensis is propagated. Then a lot of propagated Aphidius gifuensis are released into the large-scale tobacco field to kill theaphids on tobacco leaves. Finally, the aim of biologically preventing and treating aphids is realized and the pesticide pollution caused by preventing the aphids is avoided.

The invention pertains to the technical field of biologic degrading for chemical pesticide, and relates to a bacterial strain that can efficiently degrade Pyrethroid, Organophosphorus and vermectins pesticides and the application of the bacterial strain. The bacterial strain is an Acinetobacter sp. JCX22D bacterial strain, the biologic fature of the bacterial strain is Gram's negative, free from flagella, in form of short rod, is of esterase and lipase activity, free from oxidase activity, and can take use glucose and fructose. The bacterial strain is resistant to Ampicillin and low-concentration Spectinomycin and nalectin, and not resistant to rifamide. The degrading efficiency of the bacterial straine is more than 72% for high-efficiency cypermethrin, cyhalothrin, decamethrim, bifenthrin pesticid, is more than 70% for diazinon, parathion-methyl, phoxime and chlorpyrifos, and is 90% for vermectins. The bacterial strain can be used for biologically degrading above pesticides, and biologically recovering or cleaning any water body, soil and agricultural products that are polluted by pesticides.

A method for producing a fruit breeding bag paper with high water resistance. The method comprises steps of: preparation of water repellent agent, preparation of wet strength agent, beating, slurry blending, formation through a net part, squeezing and dehydration, drying, reeling and cutting and winding. The method of the invention uses waste paper pulp as a main fibrous raw material and uses the self-made water repellent agent; the produced fruit breeding bag paper has good water resistance, water resistant endurance and high breathability; the method has advantages of simple production process and low cost, and solves problems of domestic fruit breeding bag paper, such as substandard production technology for the opposite technological indexes of breathability and water resistance and subsequent higher and lower of the two technological indexes. The method of the invention can be applied to production of fruit breeding bag paper, which can satisfy growth demand of fruits, prevent pesticide pollution and erosion by wind and rain, and improve surface color of the fruits.

The invention relates to a high-yield and high-quality cultivation method of intimating wild gastrodia elata of the Changbai mountains and belongs to the traditional Chinese medicinal material cultivation field. The method comprises the steps of slag ash compost preparation and gastrodia elata cultivation, wherein the slag ash compost preparation comprises the steps of preparing nutrient solution; adding ten times of water to the nutrient solution and dissolving two to three parts of monopotassium phosphate and four to five parts of potato starch in the solution; and blending the nutrient solution with slag ash till water content of the slag ash reaches to 40-50% to obtain the slag ash compost for use. The usage of the slag ash not only does not reduce yield, but also enables the technique to be popularized in a larger area, and waste can be turned into wealth and environment is protected. Germination bacterium is used for being inoculated on leaves to enable the contact area and the contact chance between seeds and the germination bacterium to be increased, and therefore the germination rate is increased, and usage amount of the germination bacterium is reduced. The usage of the nutrient solution greatly increases per unit area yield of the gastrodia elata, benefits of growers are increased, and large-area popularization is possible. Plastic cloth is used for insulation of sources of plant diseases and insect pests and preventing the gastrodia elata from being polluted by pesticide.

The invention provides a cordyceps militaris fruit body cultivation technology for stabilizing cordycepin content. The major ingredients of a culture medium consist of at least three of corn grit, sorghum, oat, millet, rice, wheat and soybean meal, and the content of each component is (1 / N)+ / -5% by mass, wherein N is the component number; the major ingredients of the culture medium are soaked with a pine needle nutrient solution; and the use amount of the pine needle nutrient solution is 1.2-1.4 times the weight of the major ingredients of the culture medium based on the condition that the liquid is completely absorbed by the major ingredients. A preparation method of the pine needle nutrient solution comprises the following steps of: fetching the dry Chinese pine needle growing in an environment without industrial and pesticide pollution for over 6 years, wherein the use amount of the pin needle is 1.0-1.4 times the weight of the major ingredients of the culture medium; adding 9-11 times of water and boiling for 1.5-2 hours; fetching the filtrate, and adding water to obtain initial liquid amount; and adding sucrose, VB1 and silkworm chrysalis meal, or mashing a whole egg and adding to replace the silkworm chrysalis meal, wherein the addition amount of the sucrose, VB1 and silkworm chrysalis meal or whole egg is 1.8-2.2%, 0.015-0.025% and 18-22% of the weight of the major ingredients of the culture medium respectively; and the total culture period is 62-75 days.

The invention relates to laser disinsectization equipment. Wing vibration frequency of injurious insects is received by an audio frequency receiver, species of the injurious insects are judged intelligently by a singlechip computer, spatial coordinates of the injurious insects are confirmed by means of shooting changes of spatial images via a CCD (charge coupled device) image sensor and processing data via the singlechip computer, and the injurious insects are quickly hit by pulse laser light beams penetrating a convex lens and an acousto-optic modulation device. The whole disinsectization process only requires 10-20 milliseconds. Effects of intelligent selection of specific injurious insects and pollution-free disinsectization are achieved, the injurious insects can be killed in an extreme short time, and pathophoresis control and reduction of agroforestrial pesticide pollution are promoted greatly.

The invention relates to a control technology specially used for preventing and controlling important forest pest bursaphelenchus xylophilus (monochamus alternatus), namely a microcapsule powder agent or a microcapsule suspending agent prepared by a highly-efficient, harmfulless and less-persistent neonicotinoid insecticide thiacloprid sustained-release preparation and assisted by a high-adhesionadhesive is adopted for prevention and control. The technology adopts an innocuous and degradable carrier as shell materials, is safe to environment, has excellent durable effect and solves the greatproblems of bursaphelenchus xylophilus prevention and control and chemical pesticide pollution.

The invention discloses a pest-resistant rainproof shed. A plurality of reinforced concrete upright columns are fixed on the ground in a matrix arrangement mode; longitudinal beams are fixed at upper ends of the reinforced concrete upright columns along transverse rows and longitudinal rows, and form a latticed frame structure with the upper ends of the reinforced concrete upright columns; two ends of arc arch bars of which the middles are upwards protruded are vertically fixed on the longitudinal beams of two adjacent longitudinal rows respectively; the arch bars are in the matrix arrangement mode at uniform intervals; a plurality of top draw bars are fixedly connected with top ends of the arch bars of the longitudinal rows in turn; a pest-resistant net is fixedly covered on the outer side except the ground of the frame structure which consists of the reinforced concrete upright columns, the longitudinal beams, the arch bars and the top draw bars; a plurality of elongated top films are fixedly covered on upper sides of the middle sections of the arch bars of the longitudinal rows at set intervals; and the ground under the intervals is provided with a drainage channel which corresponds to the intervals. The pest-resistant rainproof shed has low construction cost, large space, high storm resistance, high vegetable yield and quality and light pesticide pollution, and can be a high efficiency facility with double purposes of a net house and a greenhouse, and a land multi-cropping index is improved.

The invention relates to a multielement biological fertilizer and a method for making the same. The multielement biological fertilizer adopts garbage as a main raw material, utilizes multifactorial activity bio-fungus and adopts hair, pig hair, chicken feather, cow hair, sheep water chestnut and humus, thereby changing the waste into the valuable and providing the multielement biological fertilizer which does not have toxic and side effects or pollute the environment and has great fertilizer effect and constancy and stability. Compared with the fertilizer, the multielement biological fertilizer which is made from functional bacteria in the soil has evident ecological benefits such as changing the quality, loosening the soil and protecting the ecological environment. The multielement biological fertilizer does not have pollution and rapidly removes the pollution of the soil to the crops, thereby eliminating the harm of the chemical fertilizer and the farm chemical pollution to the crops. The multielement biological fertilizer is widely suitable for the crops such as rice, wheat, soy bean, corn, sorghum, orange, banana, tea, vegetables, watermelon, sweet potato, drug ingredients and flowers.

The invention discloses a soil conditioner for degrading pesticides in soil with microorganisms. The soil conditioner is prepared from, by mass, 100-200 parts of organic fermented manure, 3-5 parts of trace fertilizer, 2-5 parts of bentonite, 5-7 parts of phosphate rock powder, 3-5 parts of amino acid and 0.1-1 part of microbial flora, wherein the microbial flora is composed of pseudomonas fluorescens, rhodopseudomonas palustris, alcaligenes faecalis, pseudomonas putida, bacillus licheniformis, spherical lysine bacillus, bacillus subtilis and bacillus cereus. The soil conditioner is prepared by compounding various microbial strains, the organic fermented manure, the trace fertilizer, amino acid, the bentonite and the phosphate rock powder, and can degrade the chemical pesticides in the soil, such as organic phosphorus pesticides, heterocyclic pesticides, phenol pesticides and aromatic pesticides, and remedy the pesticide-contaminated soil.

The invention relates to a biological enzyme preparation fertilizer formula and a processing method thereof, wherein the enzyme preparation fertilizer is one stage higher than biological bacterium fertilizer. The biological enzyme preparation fertilizer formula comprises the steps of evenly mixing excrements of livestocks, rice hull powder, fermenting enzyme preparation, mineral powder and the like, performing fermentation, screening and drying stone sundries after temperature reaches 60-65 DEGC and harmful bacteria are almost completely killed,, then adding nutrient elements and enzymic preparations with different contents according to requirements of soil and plants; evenly stirring, then utilizing a drying method pelletizer to prilling, and directly bagging. After being fertilized to soil, the fertilizer can efficiently increase production, improve soil, recover soil fertility, improve fertilizer efficiency, decompose heavy metals in soil, improve ground temperature and water temperature, and promote prematurity. Beneficial bacteria are bred, and harmful bacteria are perished. Plants are enabled to be robust, root systems are enabled to be developed, stress resistance of plants is increased, plant live stems are enabled to mature, thousand seed weight of rice is increased, hundred-grain weights of corn and soybean are increased, and pesticides are applied less or not applied. Milled rice rate of rice is high, commodity rate of vegetables and melons is high, chemical fertilizer and pesticide pollution is greatly reduced, the ecological agriculture target is achieved, and large-scale agriculture is led to the road of virtuous circle.

The invention discloses a growing method of green selenium-rich nutrient paddy rice. A biological organic selenium-rich ecological fertilizer is uniformly applied to a field once during the ploughing before paddy rice is planted, and produced unhusked rice is processed into green nutrient rice rich in selenium of 0.16-0.22mg / kg. The method disclosed by the invention is convenient to operate; the prepared fertilizer production technology is simple and easy to implement, and the time and the labor are saved; by adopting the fertilizer, the photosynthesis of the paddy rice can be enhanced, the paddy rice resists drought as well as diseases and insect pests, the output and the quality are improved, and the produced rice is green and environment-friendly without any hormone, chemosynthetic growth hormone or pesticide pollution; and moreover, the rice supplements the selenium, and has rich nutrition and when the rice is eaten for a long time, the health is can promoted and the life of people is prolonged.

The invention relates to a grain wine brewing process comprising the steps of (1) preparing a starter; (2) selecting raw materials which are full in grain and free of impurities, mildew and rot, moth-eating and pesticide pollution, cleaning, drying, crushing and sieving by using a 30-80-mesh sieve, wherein the raw materials include sorghum, wheat, rice, glutinous rice and corns; (3) soaking the raw materials in water until the raw materials are saturated, then, cleaning, next, cooking the raw materials and cooling; (4) crushing the starter, adding the crushed starter and the raw materials cooled in the step (3) into a fermentation boiler for fermenting in a sealing way; and (5) collecting a fermentation liquid, and distilling by using a steam boiler to obtain a drinkable grain wine. The grain wine prepared by using the process is healthy and good in taste; and in addition, the process is clean, sanitary and capable of reducing labor and increasing the productivity and the wine yield.

The invention discloses a method for producing green selenium-enriched high-calcium nutritious rice. According to the method, biological organic selenium-enriched high-calcium ecological fertilizer is uniformly spread over fields at a time when the field is ploughed and before the rice is transplanted, and the green nutritious rice obtained by processing the paddy produced by the method richly contains organic selenium of 0.16 to 0.22mg / kg and organic calcium of 230 to 350mg / kg respectively. The method is easy to implement, the production process of the prepared fertilizer is simple and easily implemented, the time and labor are saved, and the paddy rice applied by the fertilizer has strengthened photosynthesis, is resistant to drought, diseases and insects and is also high in yield and quality; and the rice produced by the method is green and pollution free, does not contain any hormone and chemically synthesized somatotropin, is free of pesticide pollution and replenishes selenium and calcium. The rice produced by the method is rich in nutrition, so people regularly taking the rice are healthier and have long life.

The invention discloses a bactericide for preventing and curing crop bacterial diseasess as well as a preparation method and application thereof. In the preparation method, oligosaccharide is added into bdellovibrio bacteriovorus solution to be evenly mixed to obtain the bactericide for preventing and curing crop bacterial diseasess. The invention applies bdellovibrio bacteriovorus solution for preventing and curing crop bacterial diseases for the first time, fills the vacancy of researching and developing bdellovibrio bacteriovorus at home and abroad and adds new species for biopesticide. Asbdellovibrio bacteriovorus has the characteristics of broad cracking pattern and quick growth and has the outstanding capability of eliminating various pathogenicbacteria and bacteria, after combinedwith oligosaccharide, the bdellovibrio bacteriovorus strengthens crop resistance, greatly improves pesticide effect and enlarges the preventing and curing spectrum of bacterial diseases. The bactericide prepared by the invention has no toxicity or pollution, is safe to natural enemies of crop diseases and pests, pathogenic bacteria have small possibility of producing resistance, so that the invention overcomes 3R problems brought by abusing antibiotics and avoids the defects of serious chemical pesticide pollution and ecological balance damage at present.

The invention discloses a green and pollution-free peanut high-yield cultivation method. The method includes the following steps of A, soil preparation, B, fertilization, C, sowing, D, film mulching, E, field management and F, prevention and control of plant diseases and pests. Organic fertilizer and biological fertilizer are additionally applied, on the basis that chemical fertilizer consumption is reduced, chemical pesticide is forbidden in prevention and control of plant diseases and pests, natural Chinese herbal medicine is adopted for seed soaking and prevention and control of plant diseases and pests, chemical pesticide pollution is reduced, the quality of peanuts is improved, thus, 90% of the produced peanuts reach the green food foreign exchange earning product standard, the average added value is about 15% to 20%, and the good economic benefits, the good ecological benefits and the remarkable social benefits are achieved.

The invention discloses a method for preventing and controlling plant diseases and insect pests by intercropping of vegetables, and belongs to the field of modern pollution-free agricultural prevention and control of plant diseases and insect pests. Green onion and leaf vegetable are intercropped, a planting mode of 20 centimeters with a field is adopted, the green onion is planted in 5 rows and the row distance is 3 centimeters, the leaf vegetable is plant in 1 row and the row distance is 5 centimeters, 5 rows of green onion is planted with the seedling density per mu of 4,800 plants, then 1 row of leaf vegetable is planted, and the green onion and the leaf vegetable grow at intervals; the plant diseases and the insect pests can be controlled by using the growth habit difference of the green onion and the leaf vegetable and the strong pungent smell of the green onion; and the plant diseases and the insect pests of the green onion are original little, and the eggs of the plant diseases and the insect pests of the green onion planted field are relatively little, so the prodenia litura fabricius of the leaf vegetable is reduced by over 30 percent, the cabbage worm is reduced by 20 percent, the soft rot disease of the leaf vegetable is reduced by 18 percent, the downy mildew is reduced by 12 percent, and the generation of other plant diseases and insect pests of various leaf vegetables is also lightened obviously; therefore, the prevention and control effect which is better than that of pesticide application is achieved without applying pesticide. The pesticide pollution can be reduced, the agricultural insecticidal cost is lowered, the yield is improved, and the effects of greenness, safety and health are completely achieved.

The invention discloses a jujube planting method, which is characterized in that it comprises the following steps: (1) seedling acquisition (2) site selection and site preparation (3) transplanting (4) fertilizer and water management (5) shaping and pruning (6) pest damage Prevention and treatment. The jujube tree planting method provided by the invention can effectively improve the fruit setting rate of the jujube tree, reduce the pests and diseases during the growth process of the jujube tree, thereby improving the yield and quality of the jujube tree; during the planting process of the jujube tree, the amount of fertilizer used is less, and the pesticide Less use not only reduces the planting cost of jujube trees, but also reduces the pollution of pesticides to the environment.

The invention belongs to the field of plant cultivation and particularly discloses a quick induction and identification method for reddish brown iron films on plant root surfaces. The method comprises the steps that according to the characteristics of different growth media, a specific method is selected to adjust the phosphorus-to-iron ratio of the growth media, so that the iron films are induced to form on the plant root surfaces quickly. The method overcomes the defects that in the prior art, time for inducing the iron films is long, and the induced iron films are small in content; the method plays a very important role in repairing aquatic plants in agricultural production or preventing pollution by heavy metal and organic pesticide and ensuring food safety. The invention further creatively provides the quick identification method for the reddish brown iron films on the plant root surfaces. The method is ingenious in thought and easy to implement and has great significance in discussion about the iron films on the root surfaces and research of the iron films on plant self-protection or environmental safety and other aspects.

The invention discloses a moveable chemical mixer. The chemical mixer comprises a drug bag, a shrinkage section, an expansion section, a leaking screen and a spiral organ; the spiral shrinkage section is in threaded connection with the expansion section, and the leaking screen is adaptively connected with the shrinkage section and the expansion section; the spiral organ is arranged in the expansion section and in threaded connection with the expansion section; both ends of the drug bag are in threaded connection with the shrinkage section and the expansion section. By adopting the chemical mixer, pesticide is integrated to the mixer, so that the online mixing is realized, the mechanical structure is simplified, flowing path of the pesticide is greatly reduced, pesticide pollution to agricultural implements are reduced, and environment is protected; besides, the mixing efficiency of the chemical mixer is improved.

The invention relates to agricultural machinery, in particular to a high-temperature sterilization soil-disinfesting machine for killing bacteria and insects in soil. The high-temperature sterilization soil-disinfesting machine comprises a box with a bottom opening, and a flame torch disposed on the box. The high-temperature sterilization soil-disinfesting machine is characterized in that a balance soil scraper is arranged at the bottom of the box, a soil inlet is arranged on a front wall board of the box above the balance soil scraper, a soil-taking roller is disposed inside the box at the rear of the balance soil scraper, the soil-taking roller is rotatably disposed on the side wall of the box through bearings at two ends, an axis of the soil-taking roller is parallel to the balance soil scraper, and soil cutters are evenly and circularly arranged on the soil-taking roller, the soil-taking roller is in drive connection with a power mechanism through a drive device, and the flame torch inside the box is disposed above the soil-taking roller. The high-temperature sterilization soil-disinfesting machine is capable of turning up soil about 25cm in thickness and sterilizing and disinfesting the soil by the flame torch, thereby thoroughly eliminating harmful bacteria and insects in the soil and avoiding pesticide pollution. The high-temperature sterilization soil-disinfesting machine is simple in structure, convenient to operate and low in overall weight, and flame jet is high in temperature. The high-temperature sterilization soil-disinfesting machine bakes the soil twice instantly and has the fine effect of efficiently killing the bacteria and insects in the soil.

The invention relates to the application of carboxylesterase D-1CarE3, gene D-1CarE3 and carboxylesterase D-1CarE3 in the degradation of pesticides malathion and carbaryl. The amino acid sequence of carboxylesterase D-1CarE3 is as shown in SEQ ID NO.1, the amino acid sequence of the encoding gene D-1CarE3 of the carboxylesterase is as shown in SEQ ID NO.2, and the carboxylesterase comprises recombinant vector of carboxylesterase D-1CarE3 and the recombination strain of the carboxylesterase D-1CarE3. The invention further provides the application of the carboxylesterase D-1CarE3 in the degradation of pesticides malathion and carbaryl. The carboxylesterase has the advantages that the cultivation period is short, the pure protein is easy to obtain, and the malathion can be degraded at high efficiency, and compared with the reported carboxylesterase from insects, the carboxylesterase is higher in efficiency for depredating the pesticide malathion and carbaryl. The invention has an important significance in the aspect of the treatment of pesticide pollution.

The present invention belongs to the field of biological preventing and controlling of weeds. The strain for preventing and controlling weed alligator alternanthera belongs to Fusarium and has the preservation number of CGMCC No. 0922. It has strong parasitic, high alligator alternanthera preventing and controlling effect to above ground part and underground part of alligator alternanthera, and no pathogenicity to tested crops, is environment safe. It may be used to replace available pesticide with serious pollution. It may be used via spraying with the fungus spore concentration being 105 / ml. After being applied, it can kill over 95 % of malignant weed alligator alternanthera in 5-10 days.

The invention discloses an insecticide d-phenothrin degradation strain, as well as a microbial agent and a degradation process thereof. The strain is Pseudomonas fulva strain P31, and is preserved inChina Centre for Type Culture Collection on May 12th, 2017, and the preservation number is CCTCC NO: M2017256. The strain and the microbial agent thereof have a very good degradation effect on a plurality of pyrethriods pesticides, particularly on d-phenothrin; the degradation rate of the strain and the microbial agent of the strain to 50mg / L d-phenothrin reaches 86.4 percent within 48 hours, andthe 50mg / L d-phenothrin can be completely degraded within 72 hours; the residual amount of the d-phenothrin in a water body or soil can be reduced by 77 percent or above within a short time by directly applying the microbial agent; the microbial agent can be used for repairing environments, such as the water body and the soil which are polluted by the pyrethriods pesticides; the problems that residue of pesticides exceeds a standard and causes environmental pollution in agricultural production are solved; non-toxic pollution-free green agricultural products are produced.