107 results about "Agricultural pollution" patented technology

The invention provides a device for automatically controlling irrigation and water draining of paddy field, and is characterized by comprising a water level control cabinet. A water inlet pipe and a water outlet pipe are arranged at the side wall of the water level control cabinet; an open end through which the water outlet pipe stretches towards the inside of the water level control cabinet is provided with a sealing cover; the sealing cover is connected to the bottom of a floating ball through a digging rope; an electromagnetic relay is arranged at the top of the water level control cabinetand connected with a water pump; an adjusting plate is fixed at the inner side wall of the water level control cabinet; the adjusting plate is contacted with a contact switch of the electromagnetic relay. The invention has the advantages of conservation of time and labour, is simple in operation and adjusts water level of the paddy field according to growth demands of rice, maximally utilizes rainfall and reduces irrigation water use. By controlling water draining, the device provided by the invention can effectively prevent crop water-logging, improve Saline-sodic soils while reducing outputof nutrient substances such as nitrogen, phosphorus and the like due to agricultural drainage and agricultural pollution reducation.

The invention discloses a Ferris wheel type farm, which aims to solve food crisis caused by danger of over population, shortage of farmland, land abandoning, agricultural pollution, weather change and logistics dilemma. The Ferris wheel type farm is characterized in that the Ferris wheel type farm is a greenhouse facility which is arranged on a vertical surface and capable of moving circularly, comprises Ferris wheels, a sail transmission system, a water circulation system, a microclimate planting chambers, movable planting racks, a wind and solar hybrid power generating system, point-of-sale terminals and organism recirculation devices.

The invention discloses an organic compound fertilizer and a manufacturing method thereof. The organic compound fertilizer comprises the following components in parts by weight: 10-15 parts of humic acid, 20-25 parts of crop waste, 5-10 parts of biological microbial inoculant, 10-15 parts of alga fertilizer, 10-15 parts of lime sludge, 5-15 parts of synergist, 5-10 parts of nitrogen fertilizer, 5-10 parts of phosphate fertilizer and 5-10 parts of potassium fertilizer. The manufacturing method comprises the following steps: preparing raw material mixture powder; fermenting to obtain the organic compound fertilizer; and drying, granulating, screening, carrying out vacuum packaging with an aluminum foil, and the like. The biological microbial inoculant is utilized to ferment the agricultural waste, and the fermented agricultural waste is mixed with nutrient substances required by plants to prepare the organic compound fertilizer capable of enhancing the soil fertility and promoting growth of plants grown on the soil; and the organic compound fertilizer can sufficiently recycle the agricultural waste, thereby reducing the agricultural pollution and promoting the agricultural development.

The invention discloses a bioorganic compound fertilizer and a preparation method thereof. The bioorganic compound fertilizer comprises, by weight, 10-15 parts of humic acid, 20-25 parts of crop waste, 5-10 parts of a biological agent, 10-15 parts of algae fat, 10-15 parts of filter mud, 5-15 parts of a synergist, 5-10 parts of a nitrogen fertilizer, 5-10 parts of a potassium fertilizer and 4-10 parts of chitin. The preparation method of the bioorganic compound fertilizer includes the following steps: preparing raw material mixture powder; fermenting to prepare a bioorganic compound fertilizer; and drying, granulating, screening, and carrying out aluminum foil vacuum packaging. Agricultural wastes are fermented by the microbial agent, and the fermented wastes are mixed with nutrients required by plants, so the prepared bioorganic compound fertilizer has the advantages of increase of the fertility of soil, the promotion of planting and the growth of plants on the soil, full recycling of the agricultural waste, reduction of the agricultural pollution, and promotion of the agricultural development.

The invention relates to an agricultural pollution-free microbial improving agent for saline-alkali land, belonging to an agricultural pollution-free product and capable of improving saline-alkali land and increasing crop yield. The agricultural pollution-free microbial improving agent for saline-alkali land comprises liquid bacteria and solid material, wherein the liquid bacteria comprise 50-70 parts of Bacillus subtilis, 5-15 parts of photosynthetic bacteria, 5-15 parts of yield-increasing bacteria, 5-15 parts of lactic acid bacteria, 5 parts of actinomycetes and 5 parts of leftover from bone meal plant; and the solid materials comprise 50-70 parts of lignite powder, 10-30 parts of leftover waste residue from sulfuric acid production, 10 parts of lower chimney soot from an electric power plant, 10 parts of whit clay, 2 parts of matrine and 3 parts of tobacco stems. The agricultural pollution-free microbial improving agent is prepared by the following steps of: pumping the liquid bacteria to a stirring tank according to a ratio, mixing and stirring to obtain composite bacterial liquid, pulverizing the solid materials by a pulverizer, screening with a 100-mesh sieve, sterilizing, delivering the composite bacterial liquid and the sterilized solid materials to a granulator for granulating, drying, cooling and screening, and checking and bagging finally.

The invention relates to the fertilizer technical field, in particular to a compound conditioned medium for the injection of woody plants and a preparation method thereof; the compound conditioned medium contains various nutrient elements and physiological amendments of plants and the compound conditioned medium is prepared by mixing urea, potassium nitrate, calcium nitrate, potassium dihydrogen phosphate, zinc sulfate, magnesium sulfate, manganese sulfate, copper sulfate, boric acid, disodium ethylenediaminetertraacetate, naphthylacetic acid and indolebutyric acid together and adding water; the compound conditioned medium of the invention can not only strengthen the root activity of woody plants such as the rooting speed, rooting rate and the like, but also satisfies the desired nutrient elements of trees, improves the nutrient use efficiency, reduces the agricultural pollution and has low cost, simple production and high efficiency production.

The invention discloses a measurement method of a residual amount of a residual plastic film on a farmland soil surface layer. The measurement method comprises the following steps: carrying out image photographing on a measurement region by adopting a lower end image sensor of an unmanned aerial vehicle; transmitting a wireless image signal by an image transmitter on the unmanned aerial vehicle according to photographed image information; acquiring the image signal by an image receiver and inputting the image signal into a computer system; changing an acquired farmland image into a gray image; setting a gray distinguishing threshold value of the residual plastic film and carrying out residual plastic film image division; carrying out binarization processing on the image; carrying out quantitative statistic addition on a binarized residual plastic film shape gray value through closure operation and erosion operation; and finally, obtaining a quantitative value of the residual amount of the residual plastic film on a measured regional farmland surface. A result shows that compared with a manual measurement method, the error degree mean value of an image identification method is 4.82% and the consistency of the measurement precision is relatively good; and with regard to field data of agricultural pollution, the measurement precision is completely met. The invention further discloses a measurement system of the residual amount of the residual plastic film on the farmland soil surface layer. The measurement system comprises the unmanned aerial vehicle, the image sensor, the image transmitter, the image receiver and a computer.

The invention provides a pseudomonas sp. strain 2-29, which belongs to the class of pseudomonas sp. and was collected with a collection number of CGMCC No.3331 in China General Microbiological Culture Collection Center (abbreviated as CGMCC) of Institute of Microbiology Chinese Academy of Sciences located on Datun road in Chaoyang district of Beijing, on October 2009. The invention also provides the use of the pseudomonas sp. strain 2-29 in the prevention and control of tomato ralstonia solanacearum. For solving the problem that an effective chemical for treating tomato ralstonia solanacearum lacks at present and the problem that pseudomonas sp. is susceptible to generating medicament resistance to chemical pesticide, a strain having an antagonistic effect on tomato ralstonia solanacearum is screen through screening tomato ralstonia solanacearum antagonists and the test of the control effect of the tomato ralstonia solanacearum antagonists; on this basis, field tests can be further performed for developing a mature microbial fertilizer; and thus, the pseudomonas sp. strain 2-29 has a great significance for reducing the use of a large amount of fertilizer and pesticide and reducing agricultural pollution sources.

The invention relates to a compound nitrogen fertilizer which is granular and is made from the following raw materials: calculated on the basis of total weight of raw materials of the compound nitrogen fertilizer, 30-40% of urea, 50-58% of ammonium chloride, 2.5-3.0% of diluted sulfuric acid and 0.8- 1.0% of synthetic ammonia. The inventive compound nitrogen fertilizer can efficiently increase the utilization rate of nitrogen element, prolong the period of fertilizer effect, increase crop yield, reduce the agricultural pollution of nitrogen fertilizer, and protect the environment.

The invention discloses a method for improving the capability of a hardened ditch in removing nitrogen-phosphorus contaminations in tail water of farmland. The method comprises the following concrete steps: constructing a plurality of small filler-plant treating units in the ditch along the two sidewalls of the ditch and arranging an elevating dam at the tail end of the trench, wherein each of the small filler-plant treating units successively comprises an adsorption filler water-permeable dam and a pine pile vegetation zone along a water flow direction, and the adsorption filler water-permeable dam and the pine pile vegetation zone are closely bonded. According to the invention, the tail water of the farmland is allowed to fully contact with water plants and an adsorption filler, so plant absorption, microbial degradation and filler adsorption of contaminations in the ditch are reinforced; the height of the elevating dam can be adjusted according to changing between an irrigation period and a non-irrigation period, so the ditch is rapidly switchable between a flood draining function and a contamination treating function; thus, the hardened ditch is reconstructed into a ditch with good capability in removing nitrogen-phosphorus contaminations and realizes removal of non-point source agricultural pollution.

The invention relates to the field of agricultural pollution restoration, in particular to a restoration method special for oryza sativa L. polluted by polycyclic aromatic hydrocarbon phenanthrene. The method specifically relates to application of phomopsis liquidambari HQ285146 in preparation of a polycyclic aromatic hydrocarbon phenanthrene degradation restoration agent special for oryza sativa L. The phomopsis liquidambari HQ285146 is activated and cultivated on a fluid nutrient medium or a solid medium containing potato dipping juice to obtain the oryza sativa L. restoration agent. Afterwards, the restoration agent is used for seedling dipping and is directly added into rhizosphere soil during transplant of oryza sativa L., and phenanthrene inside / outside oryza sativa L. bodies is effectively removed. Production of the agricultural phenanthrene pollution restoration agent is not affected by environment, the production period is short, the production process is simple, production time and yield are easy to control, and the effect is obvious. The method of plant dipping and direct agent adding into soil is adopted, the agent can act on polluted soil and plants, the method is simple and easy to operate, dosage is small, the cost is low, and the good effect can be achieved.

The invention discloses a method for constructing an ecological regulation and storage lake for urban rivers, wherein the ecological regulation and storage lake is mainly used for flood regulation andstorage of urban rivers and purification of river course water seriously polluted by resident living and agriculture. According to the main technical scheme, a regulation and storage lake composite water ecosystem is constructed, wherein the constructing method comprises six sub-projects, the six sub-technologies respectively comprises: basement improvement, submerged plant community construction, fish community construction, macrozoobenthos community construction, micro-ecological purification system construction and system optimization adjustment, wherein the submerged plant community as the primary producer is the core part of the water ecosystem; and at the late stage, the optimization adjustment measures are performed by monitoring and observing the system, such that the regulation and storage lake ecosystem is gradually converted into the stable and natural state, and finally the stable regulation and storage lake water ecosystem is formed so as to achieve the state comprising stable and diversified species community, clear water body and good landscape for a long time.

The invention provides simulation and analysis methods for the influence of different agricultural ammonia emission scenarios on PM2.5 concentration. The method mainly comprises three parts: improvingammonia emissions from the farmland fertilization based on an EPIC mode, developing an agricultural pollution source emission information processing system, and establishing the newest agricultural source pollutant emission list; establishing an air quality simulation and forecasting model considering the influence of the agricultural ammonia, and continuously improving the simulation and forecasting level of PM2.5; and calculating the contribution of agricultural emission sources to the PM2.5 in the main agricultural region of China and providing a corresponding control strategy. The invention utilizes the RSM / CMAQ technology, combines the relevant control technology and the future development plan, makes assumptions on the future control strategy and the corresponding control strength of the regional agricultural ammonia emissions, proposes corresponding solutions, and analyzes and calculates the list of agricultural sources and anthropogenic ammonia emissions generated under various control modes. According to the simulation and analysis methods, the local ammonia emission reduction prospect and the effect thereof can be evaluated, and valuable references are provided.

The invention provides an agricultural sewage management system and management method. The system comprises a site monitoring device, a cloud server, a monitoring center and an operation and maintenance terminal, the station monitoring devices are arranged at all monitoring stations and used for collecting agricultural pollution data of the monitoring stations and uploading the agricultural pollution data to the cloud server through the network. The cloud server is used for storing the agricultural pollution data, judging whether the working state of the monitoring station is abnormal or not according to the agricultural pollution data, and sending maintenance information to the operation and maintenance terminal under the abnormal condition; and the monitoring center is used for sending adata collection request to the cloud server through a network and receiving the agricultural pollution data returned by the cloud server. According to the invention, automatic monitoring of the agricultural pollution data of each monitoring station is realized, and when a fault occurs, the operation and maintenance terminal can be discovered and notified in time. Therefore, on one hand, the frequency of manual inspection at each station is saved, and on the other hand, when a fault occurs, automatic order sending is realized through intelligent scheduling, and the fault can be found in time.

The invention discloses an organic fertilizer for Plinia cauliflora (Mart.) Kausel. The fertilizer includes the following raw materials by weight: 50-60 parts of silkworm excrement, 30-50 parts of edible fungi residue, 10-20 parts of farm-oriented rare earth, 20-25 parts of rapeseed meal, 20-40 parts of bagasse, 20-30 parts of weathered coal, 10-20 parts of tea residue, 20-40 parts of wheat bran, 1-3 parts of borax, 10-15 parts of plant ash, 40-60 parts of poultry manure and 35-55 parts of straw. The organic fertilizer for Plinia cauliflora (Mart.) Kausel has the advantages of low cost, easily available raw materials, comprehensive utilization of agricultural wastes, reduction of agricultural pollution, and reduces the cost of Plinia cauliflora (Mart.) Kausel production, and improves the quality of Plinia cauliflora (Mart.) Kausel.

The invention provides a construction method of an ecologically-friendly park for systematically controlling agricultural pollution. The method comprises constructing infrastructures and optimizing a production mode and particularly comprises the following steps of: constructing a catchment ditch and an ecological ditch on the inner side and the periphery of a farmland respectively; applying fertilizers including compost pig manure and a chemical fertilizer during crop cultivation and collecting produced runoff into the ecological ditch through the catchment ditch for treatment; mixing a green feed and a concentrated feed produced by crop cultivation in a certain ratio for feeding live pigs and applying straw to composting and field returning; and introducing manure and urine produced by live pig cultivation into a marsh gas tank for fermenting, wherein produced marsh gas is used for supplying energy for people in daily life and the pig manure is composted for fertilizer application to crop cultivation. Through the method, loss of pollutant is controlled comprehensively, the aim of reducing agricultural pollution is fulfilled, investment is small and multiple benefits are achieved; moreover, the method is suitable for multiple conditions.

The invention discloses a laser control deep scarification, land preparation and residue plastic film pickup all-in-one machine. The laser control deep scarification, land preparation and residue plastic film pickup all-in-one machine comprises a rack and a deep scarification mechanism, a traction mechanism is fixedly connected to the front portion of the rack, the deep scarification mechanism comprises a deep scarification frame and a deep scarification shovel fixedly connected to the lower portion of the deep scarification frame, the top of the deep scarification frame is fixedly connected to the lower portion of the rack, and the laser control deep scarification, land preparation and residue plastic film pickup all-in-one machine further comprises a pickup mechanism, a land flatting mechanism, a suppressing roller, a laser receiver and a hydraulic control device. The laser control deep scarification, land preparation and residue plastic film picking all-in-one machine integrates deep scarification, pickup, land leveling, suppressing and the like, the farmland working procedures like the deep scarification, the pickup, land leveling and suppressing can be completed simultaneouslysimply when work is conducted once on arable land in spring or autumn every year, so that arable land reaches the state to be sowed, the porosity and the flatness of soil are effectively guaranteed,the frequency of agricultural machine field work is reduced, the agricultural machine work cost can be reduced by 40%, the cost is reduced and the effect is improved by 10% or above, and the machine has the advantages of saving the farming season, improving the soil quality, thoroughly eradicating agricultural pollution and the like.

The invention belongs to the field of agricultural pollution prevention and control, and in particular relates to a greenhouse soil nitrate pollution modifying agent used for comprehensively modifying greenhouse soil nitrate pollution and effectively preventing and controlling underground water nitrate pollution risk in intensive vegetable planting regions, and a preparation method and a using method thereof. The greenhouse soil nitrate pollution modifying agent consists of composite liquid and effective microorganism (EM) bacteria liquid with equal mass ratio, wherein the composite liquid is prepared from sodium humate and dicyandiamide through composite proportioning; the EM bacteria liquid is bacterial liquid of fermented EM bacteria; and the composite liquid and the EM bacteria liquid are mixed according to the mass ratio of 1:1. The composite liquid and the EM bacteria liquid are combined to be irrigated and applied to soil, so that the greenhouse soil nitrate pollution can be prevented and controlled through biological and chemical control technological means, the nitric nitrogen content of the greenhouse soil can be reduced by above 10 percent, and the nitrogen utilization ratio of crops can be increased by above 15 percent.

The invention belongs to the field of agricultural pollution control and discloses a high-benefit and low-pollution fertilizer applying method for reducing dry land planting pollution discharge by using mixed application of organic fertilizer and chemical fertilizer and an application of the method. The method comprises the following concrete steps: determining an optimum fertilizer applying amount; and applying base fertilizer and additional fertilizer alternately, wherein in the applied base fertilizer, the applied nitrogen is 100% of the total amount of nitrogen, the applied phosphorus is 85%-95% of the total amount of phosphorus, the applied potassium is 90%-95% of the total amount of potassium, the nitrogen is completely provided by the organic fertilizer, phosphorus and potassium which are insufficiently provided by the organic fertilizer are supplemented by phosphate fertilizer and potassium fertilizer, and the base fertilizer is applied in a manner of deep placement coverage; in the applied additional fertilizer, the rest of phosphate fertilizer and potassium fertilizer as the additional fertilizer are applied once in a manner of foliage spray. The method is capable of reducing the runoff loss of nitrogen by 60%-80%, the loss of phosphorus by 65%-85% and the loss of potassium by 35%-55% on the premise of not influencing the crop yield.

The invention relates to a river bank type infiltration system and a method with a water body remediation function. The river tank type infiltration system comprises a water diversion facility with aforebay, wherein multiple infiltration tanks stepwise arranged along two sides of a river bank are arranged at a downstream of the water diversion facility; a trash holding meshes are arranged at upstreams of inlets of the infiltration tanks; an intake gate and a discharge gate are arranged at an inlet part and an outlet part of each filter tank; each discharge gate is connected with a discharge tank communicated with a river channel; each infiltration tank is sequentially provided with a porous water retaining breast wall, a front permeable section, a multi-stage infiltration section, a rearpermeable section and a porous plate from the inlet to the outlet. The infiltration system is located beside at the river bank or a lake bank, is combined with an existing water conservancy project and is joined with a shoreside terrain, so that the normal operation of an original water conservancy project cannot be affected, and the water quality of the downstream river channel is maintained andimproved at the same time; the infiltration system can be also combined with river bank remediation, and green plants are planted at the upper part, so that the environment is beautified. The system has low cost, and is suitable for advanced nitrogen and phosphorus removal of seriously polluted urban rivers and sewage treatment plant tail water, and control of agricultural non-point source pollution.

The invention provides a comprehensive treatment and recycling device for agricultural polluted wastewater. The comprehensive treatment and recycling device comprises a treatment tank, a reservoir anda drainage ditch, wherein the drainage ditch is communicated with the side wall of the top end of the treatment tank; a connecting pipe is arranged between the treatment tank and the reservoir; an electric valve is installed on the connecting pipe; two fixed columns are fixedly and symmetrically arranged on the two sides of the upper surface of the treatment tank; and a control switch block is installed on the outer side surfaces of the fixed columns. The comprehensive treatment and recycling device for agricultural polluted wastewater in the invention can be directly built near a sewage source, such as a breeding factory and a household product processing factory; the treatment tank is communicated with the drainage ditch, so the agricultural polluted wastewater can be directly discharged into the treatment tank for treatment, treatment cost is low, treatment speed is high, treated wastewater can be directly discharged into the reservoir for agricultural water conservancy irrigation,and use is convenient; and a filter cartridge can ascend and descend under the driving of a stepping motor and a drive screw, so a filter screen is convenient to clean and replace, operation is easy,and maintenance is simple.

The invention provides a device for automatically controlling irrigation and water draining of paddy field, and is characterized by comprising a water level control cabinet. A water inlet pipe and a water outlet pipe are arranged at the side wall of the water level control cabinet; an open end through which the water outlet pipe stretches towards the inside of the water level control cabinet is provided with a sealing cover; the sealing cover is connected to the bottom of a floating ball through a digging rope; an electromagnetic relay is arranged at the top of the water level control cabinet and connected with a water pump; an adjusting plate is fixed at the inner side wall of the water level control cabinet; the adjusting plate is contacted with a contact switch of the electromagnetic relay. The invention has the advantages of conservation of time and labour, is simple in operation and adjusts water level of the paddy field according to growth demands of rice, maximally utilizes rainfall and reduces irrigation water use. By controlling water draining, the device provided by the invention can effectively prevent crop water-logging, improve Saline-sodic soils while reducing output of nutrient substances such as nitrogen, phosphorus and the like due to agricultural drainage and agricultural pollution reducation.

The invention discloses a method for producing fuel ethanol based on irradiation pre-treated straw. The method includes steps of bundling and molding straws to be straw blocks; then filling to an irradiation box to perform 60 Co-gama irradiation pretreatment; smashing the pretreated straw to be straw powder; performing a secondary irradiation on straw powder by an electronic beam; placing the straw powder after the secondary irradiation treatment in a reactor to perform enzymolysis; adjusting pH value of the reaction system after enzymolysis; accessing the yeast to ferment and obtaining the ethanol-containing fermented mash; adding the fermented mash to a tower kettle storage tank, rectifying and obtaining ethanol-water co-boiling composition; after absorbing the ethanol-water co-boiling composition through a molecular sieve and obtaining the fuel ethanol. The method can fully use waste resources, lighten agricultural pollution, and ease energy problems; besides, the product quality is excellent.

The invention discloses a device for preparing a slow-release nitrogen fertilizer from modified zeolite and a method for preparing a slow-release nitrogen fertilizer by using the device, and belongs to the technical field of fertilizer production. The device is constructed by connecting a crusher, a first conveyor belt, an adsorption reaction tank, a first dryer, a second conveyor belt, a disc granulator, a second dryer, a third conveyor belt, a drum fluidized bed, a fourth conveyor belt and a weighing and bagging machine. According to the device disclosed by the invention, ammonia gas and liquid urea are taken as nitrogen sources, and natural zeolite is modified firstly with a metal chloride solution, thereby remarkably enhancing the nitrogen adsorption performance. The ammonia gas and urea are evenly adsorbed into the microporous structure and the surface of the modified zeolite by vacuum pumping, and the modified zeolite adsorbs tightly with a nitrogen source, thus bringing the slowrelease performance of the modified zeolite into full play. Meanwhile, the zeolite has higher ion exchange and adsorption performance, so that excess nitrogen nutrients in soil can be adsorbed aroundzeolite lattices, soil nutrient loss is reduced, the utilization efficiency of the nitrogen fertilizer is improved, the agricultural pollution is reduced effectively.

The invention discloses a standard data-based agricultural pollution source in-water body load measuring and calculating method. The method comprises the following steps: acquiring rainfall, water quality, DEM, land utilization, soil texture, soil type and social economic data of a to-be-researched region; according to the hydrological data of the to-be-studied region, dividing the to-be-studied region into a plurality of drainage basin partitions; calculating a pollutant influence factor of each drainage basin partition; carrying out standardization treatment on the pollutant influence factors of each drainage basin subregion; calculating a water inlet body coefficient of each drainage basin partition according to the pollutant influence factors after standardization treatment; obtaining the discharge amount of agricultural source pollutants in the to-be-studied region, and calculating the water-entering load amount of the agricultural source pollutants; and selecting a specific drainage basin partition, and verifying the water inlet body load capacity obtained by calculation and an actual measurement result. The method can solve the problem that the prior art lacks a method for effectively calculating the load capacity of pollutants in a large-scale region in the water body, and is good in consistency, reliable in calculation and large in range.

The invention discloses an agricultural pollution processing system based on pesticide kinds. The agricultural pollution processing system based on pesticide kinds comprises a detection device, a purifying device, a mobile device, and a processing device; the processing device comprises an input device, a drive device, a navigation device, and an analysis device; the detection device comprises a collecting rod, an adsorption pipe, and a picking up pipe; one side of the collecting rod is provided with a cutting knife; the adsorption pipe and the picking up pipe are arranged below the cutting knife, and a plurality of detection pipes are arranged in the picking up pipe; one side of each detection pipe is provided with a push rod; the purifying device comprises a machine body, a stretching arm, and a storage chamber; one side of the stretching arm is provided with an adsorption port, a digging shovel, a connecting pipe, and a filter screen; a separating plate is arranged in the storage chamber; the storage chamber is divided into a soil processing chamber and a liquid processing chamber; a disinfection lamp and a drying lamp are arranged in the soil processing chamber; a vibrating sieving screen and a photocatalyst filter screen are arranged below the drying lamp; a filter layer is arranged in the liquid processing layer; a heating pipe is arranged below the filter layer; one sideof the heating pipe is provided with a first outlet; the movable device is movable caterpillar bands, and is arranged at the lower side of the machine body.

The invention discloses an organic fertilizer for citrus reticulata. The fertilizer comprises following components in parts by weight, 20 to 35 parts of humic acid, 1 to 3 parts of borax, 30 to 50 parts of weathered coal, 60 to 80 parts of edible fungi waste residues, 50 to 70 parts of silkworm excrement, 80 to 100 parts of straws, 1 to 3 parts of microorganism, 15 to 25 parts of talcum powder, 20 to 25 parts of peanut-oil press cake, 15 to 30 parts of core cobs and 10 to 15 parts of tea seed powder. The organic fertilizer for citrus reticulata has the advantages of low cost, easily obtained raw materials, and capabilities of comprehensively using agricultural wastes, reducing agricultural pollution, increasing organic matters of soil due to the humic acid, and enabling soil to maintain organic elements in a sustained way.

The invention provides a cultivated land resource asset ecological value assessment method and model. The method comprises the following steps: acquiring basic information (including a cultivated land type of a cultivated land area to be assessed) of the cultivated land area to be assessed; calculating the positive ecological value of cultivated land resource assets in the cultivated land area to be assessed based on the type of cultivated land and and the negative ecological value of arable land resource assets, wherein the value comprises food production value, gas regulation value, air purification value, water conservation value, soil conservation value, nutrient recycling value, biodiversity value, and landscape aesthetic value; the negative ecological value of arable land resource assets comprise agricultural pollution negative ecological value, greenhouse gas emission negative ecological value and agricultural water resource consumption negative ecological value; and calculating the cultivated land resource asset ecological value of the cultivated land area to be evaluated according to the cultivated land resource asset positive ecological value and the cultivated land resource asset negative ecological value. The mode solves the problem that the economic value is more than the ecological value in cultivated land resource asset ecological value assessment (or accounting).

The invention discloses a method for improving acid rice soil through united use of hydrochar and biogas slurry. According to the method, hydrochar is prepared through breeding waste biomass; and theacid rice soil is improved through synergism of biogas slurry generated through anaerobic fermentation in a breeding farm so as to increase the pH value of the acid soil, reduce exchangeable H<+> andAl<3+> of the soil, promote soil aggregate structures and achieve the purposes of adjusting the pH value of the acid rice soil and promoting fertility. Through the adoption of the method disclosed bythe invention, massive breeding waste biomasses can be consumed, continuous degeneration of the acid rice soil can be restrained, a part of chemical fertilizer for application is replaced for timely complementing a part of nutrient substances of the soil, and the method has multiple efficacy for improving the acid rice soil, enhancing soil fertility, promoting resource utilization of breeding waste and normal operation of methane engineering, promoting prevention and control of agricultural pollution in the countryside and the like, and is good in maneuverability and convenient for extensive large-scale popularization and application.

The invention relates to the field of design of a pest trapping and killing system, particularly to an intelligent acoustic wave pest trapping and killing system. A central processing unit system in the system, namely a master controller, acquires corresponding pest data from a pest database after receiving an input instruction, the flight course is determined through the data analysis, then motion control equipment directs an automatic flight processing system to control an unmanned aerial vehicle to move to the specified operation position; then a signal is transmitted to a sub-controller, ahigh frequency acoustic wave converter, an image transmission processing system and an acoustic wave pest trapping system are used to trap and kill the pest, and then automatic acoustic wave killingequipment, namely an acoustic wave release system, an automatic detection processing system and an acoustic wave pest killing system, is used to implement the operation of killing the pest. The invention provides the intelligent acoustic wave pest trapping and killing system, the intelligent acoustic wave pest trapping and killing system is integrally automatically controlled, the labor cost is saved, the working efficiency is improved, the agricultural pollution is avoided, the intelligent acoustic wave pest trapping and killing system is environmentally friendly, saves the energy and protects the environment, the food safety is guaranteed to a greater extent, and the damage to the human body caused by the pesticide is reduced.