1702 results about "Agricultural irrigation" patented technology

The invention relates to chemical / ionic / physical compounding cross linking hydrogel and a preparation method thereof. The hydrogel is polymerized in a way that olefin monomer M1, a chemical cross-linking agent M2, multivalent ion biomacromolecule M3, an ionic cross-linking agent M4 and a physical cross-linking agent M5 are dissolved in water. The method comprises the following steps: preparing chemical / physical cross linked gel prepolymerization liquid, preparing chemical / ionic / physical cross linked gel prepolymerization liquid and preparing and purifying chemical / ionic / physical compounding cross linked gel. According to the invention, the characteristics and properties of the chemical cross-linking agent, the physical cross-linking agent and the ionic cross-linking agents are taken into consideration comprehensively, the compounding cross linking of molecular chains is realized; the prepared hydrogel is optically transparent and has higher mechanical ductility and rebound elasticity; the mechanic, optical and thermal performances and other performances can be regulated conveniently by controlling technology parameters and conditions; and the prepared hydrogel can be used in the fields such as tissue engineering, food industry, agricultural irrigation, daily chemical engineering, oil production, dye adsorption and biological medicine.

The invention discloses a lifting spraying agricultural irrigator which comprises a base, a water tank, a water spraying tank, a motor and a pump, wherein the left side of the base is fixedly connected with a push handle; through slots which are downwards opened are symmetrically arranged on two sides of the bottom of the base; lifting devices are fixed at the middle positions at the tops of the through slots; the output ends of the lifting devices are fixedly connected with connection plates; two sides of each connection plate are connected with wheels in a rotatable manner; the motor is arranged in the base; the output end of the motor is connected with a rotating shaft; the rotating shaft extends into the water tank, and stirring blades are arranged on a shaft body extending into the water tank; the water spraying tank is located on the right side of the water tank; the water spraying tank is fixedly connected with the base; a second belt wheel, a first bevel gear, a second bevel gear, a cam and a movable block are arranged in the water spraying tank; the movable block is communicated with a spraying nozzle. By the design of the lifting wheels, the whole device is convenient to move, and the service lives of the wheels are prolonged; meanwhile, the spraying nozzle can move up and down in a reciprocating manner, so that the spraying range is enlarged.

A non directional pneumatic tire is provided for an agricultural irrigation system. The tire includes first and second side walls and a radially outer wall defining an internal inflation chamber. A non directional tread pattern is defined on the tire and includes a plurality of longitudinal protrusions positioned substantially parallel to a rotational axis of the tire. The longitudinal protrusions are arranged in first and second rows extending from the first and second side walls toward and across the equatorial plane of the tire. The longitudinal protrusions of the first and second rows circumferentially alternate with each other and there is a circumferential spacing between adjacent longitudinal protrusions at the equatorial plane so that no portion of one longitudinal protrusion circumferentially coincides with or overlaps another.

A data gathering device associated with an agricultural irrigation system including at least one camera movably connected to the irrigation system.

The invention discloses an intelligent spray irrigation discharge control system based on weather information services, which comprises a data acquisition exchange system, an information service support system, and a production control center. The information service support system compares acquired data with information in a set-up crop knowledge base and provides a recommended range of crop growth parameters according to local weather information and future weather information. The production control center controls operation of a spray irrigation system or discharge equipment according to result information analyzed by the information service support system. The information service support system combines weather data and growth site practical parameter data of crops, the weather data and the growth site practical parameter data are analyzed with the data in the crop knowledge base to provide best control measures which are transmitted to the production control center, and the production control center controls a user controller to determine when, how much and what to spray-irrigate, so that efficient, scientific, quantitative and fine agricultural irrigation is realized, and the existing extensive spray irrigation / discharge way is changed into an economical, fine and intelligent production way.

The invention relates to a method for performing combined treatment on livestock and poultry excrement, straws and sewage. The method mainly comprises two processes of anaerobic fermentation and biological contact oxidation and comprises the main steps of: 1) mixing the crushed straws, excrement and sewage and performing anaerobic fermentation treatment; 2) removing suspended matters from methane liquid generated by the anaerobic fermentation treatment, homogenizing water quality, removing oil, performing biological contact oxidation treatment to reduce chemical oxygen demand (COD) and ammonia nitrogen, precipitating and draining water for agricultural irrigation; and 3) dehydrating and desulfurizing methane generated by the anaerobic fermentation treatment to serve as energy and composting methane slag to prepare into organic fertilizer. The invention also discloses a device for implementing the method. The device can treat the livestock and poultry excrement, the straws and the sewage, can also generate methane, realizes resource utilization of wastes and has the characteristics of simple and intensive process, higher utilization ratio of the resources and good operation effect.

The invention discloses an agricultural irrigation system based on the internet of things. A control terminal module is used for remotely control an information collection module and an irrigation machine, wherein the control terminal module is connected with the information collection module through a communication module, and the information collection module is used for collecting soil and air information; the information collection module comprises a temperature sensor, a soil moisture sensor, an illumination intensity sensor and an air humidity sensor; the information collection module is connected with an information processing module; the control terminal module is connected with the irrigation machine through the communication module. The agricultural irrigation system based on the internet of things can achieve startup and shutdown of the irrigation machine, remote wireless startup and shutdown of the irrigation machine and information management of the irrigation machine according to the requirement of a farmer and a site; the system is distributed at each irrigation equipment point of a monitored agricultural irrigation area, achieves concentrated remote management dispatch of agricultural irrigation, saves the farming time of the farmer and improves the agricultural production efficiency.

The invention discloses a cloud-based water-saving irrigation automatic control and information management system and relates to the field of agricultural irrigation, in particular to a cloud-based water-saving irrigation automatic control and information management system which can automatically diverting water for irrigation by monitoring water quantity, climates and soil conditions.The management system is characterized in that the irrigation system conducts data exchange and calculation through a remote database and a remote computer by monitoring the soil conditions in real time, and irrigation is conducted in time according to the growing demands of crops.The management system can be widely applied to waterline building projects, agricultural automation irrigation projects, and water conservancy automation monitoring and controlling projects in agricultural efficient water-saving irrigation.The system is high in automation and information management degree, compared with a traditional offline management mode, the system has the advantages that at least one half or above number of system operation managers (such as charging people, line patrol people and equipment maintenance people for later-period operation and maintenance) can be reduced, and the labor cost for later-period operation and maintenance can be greatly saved.

The invention provides an irrigation decision-making system and method based on an agricultural system model, and belongs to the technical field of agricultural irrigation decision-making. The system comprises a meteorological data interface, a meteorological database, the calibrated agricultural system model, a calibrated agricultural system model base, an irrigation decision-making algorithm, an irrigation decision-making algorithm base and an irrigation control system, wherein the meteorological data interface is used for providing meteorological data needed for calculation for the calibrated agricultural system model, the calibrated agricultural system model is used for conducting calculation according to meteorological conditions to obtain crop growth information and soil and crop moisture conditions, the irrigation decision-making algorithm is used for judging whether irrigation is conducted or not and calculating the irrigation amount according to the model calculation result, and the irrigation control system is used for conducting irrigation according to the irrigation amount calculated by the irrigation decision-making algorithm. The irrigation decision-making system and method based on the agricultural system model overcome the defects of an existing irrigation decision-making system and method, an accurate irrigation plan is made without installing field sensors, and a future irrigation plan and the corresponding irrigation effect can be predicted.

The invention discloses a multi-dimensional automatic agricultural irrigation sprinkling device. The device comprises a base, a left support plate and a right support plate are arranged on the left side and the right side of the top of the base respectively, a fixing base is fixedly arranged on the left side of the right support plate, a second bevel wheel is rotationally connected with the top of the fixing base, and a pin shaft is arranged on the top of the second bevel wheel. A rocking bar is rotationally connected with the top of the fixing base through a rotational rod, a rectangular opening is formed in the rocking bar, and the pin shaft is located in the rectangular opening and matched with the rectangular opening; a supporting plate is fixedly connected with the right side of the top of the fixing base, the supporting plate penetrates through a top plate and then is fixedly connected with a spraying pipe, and a connecting hose is connected with the left end of the spraying pipe; a reducing motor is arranged on the left side wall of the left support plate, a motor shaft at the right end of the reducing motor is connected with a rotating shaft which is provided with a first bevel gear, and the first bevel gear is meshed with the second bevel gear. In the multi-dimensional automatic agricultural irrigation sprinkling device, the second bevel gear rotates so as to drive the rocking bar to swing forward and backward, so that the water spraying pipe swings forward and backward, the irrigation sprinkling range is turned into a sector from a straight line, the sprinkling range is enlarged, and accordingly, the sprinkling efficiency is higher.

The invention specifically discloses an intelligent agricultural irrigation system and method, in particular relates to the field of agricultural irrigation and aims to solve the problem that irrigation amounts are not appropriate as a conventional agricultural irrigation system does not comprehensively consider water demand factors of crops. According to the technical scheme of the invention, a crop information acquisition module, a field information acquisition module, a soil information acquisition module and a weather information acquisition are adopted to acquire related information of crops, the information is transmitted to a computer of a planter through wireless access nodes, the data information is stored and processed by the computer of the planter, an irrigation control module is controlled to perform irrigation, and meanwhile the data information is uploaded to a server for data sharing through a wireless communication module. By adopting the system, different factors such as growth cycles, weather and soil of plants in different growth periods of crops are acquired, the water amounts of the crops are calculated, the crops are watered appropriately in time, and thus precise watering of the whole system is achieved.

The invention discloses a double-arm type agricultural irrigation device with an adjustable angle. The double-arm type agricultural irrigation device comprises a water tank, walking wheels, a supporting box, a supporting arm, a screw and a nozzle, the water tank is internally and rotatably provided with a rotary shaft in a bearing connection mode, several stirring rods are fixedly and uniformly distributed on the outer circumference of the rotary shaft, the screw is rotatably erected in the supporting box, a lifting sleeve sleeves the outer circumference of the screw in a screw connecting mode, a fixed sleeve is fixed to the bottom of a top plate of the supporting box, the top of the supporting arm is hinged to the end of the fixed sleeve, the lower portion of the middle of the supportingarm is rotatably hinged to the top of the supporting rod, the bottom of the supporting arm is rotatably hinged to the end of the lifting sleeve, and the nozzle is arranged at the bottom of the supporting arm. The double-arm type agricultural irrigation device is simple in structure, adjustable in sprinkling irrigation angle and convenient to operate; meanwhile, pesticide can be prevented from depositing, the pesticide effect is guaranteed, and the double-arm type agricultural irrigation device is suitable for being applied and popularized.

The invention discloses a real-time agricultural irrigation monitoring and regulating system based on big data and the Internet of Things. The real-time agricultural irrigation monitoring and regulating system based on big data and the Internet of Things comprises a data collecting module, a data processing module, an image collecting module, an image processing module, an image feature analyzingmodule, a manual input module, a storage database, a cloud server, an irrigation coefficient analyzing module, an irrigation execution end, a fertilization execution end and a display. According to the provided intelligent constructional engineering construction operation environment monitoring system based on big data, by collecting and processing image information of crops, analyzing the kinds and growth stages of the crops in combination with collection and processing of the soil humidity, the air temperature, the air humidity and the wind speed in farmland within various collection time periods, counting irrigation coefficients of crop soil, and then extracting the volume, corresponding to each irrigation coefficient, of water needed for irrigation per square meter according to the corresponding irrigation coefficient of the crop soil to obtain the irrigation water volume corresponding to an occupied area of the farmland, collecting and analyzing nutrient elements of the farmland soil at the same time, and supplying nutrient elements which the soil is short of in time, irrigation and fertilization integrated operation is achieved, the accuracy of the irrigation water volume andthe fertilization amount of the soil is improved, and the water requirement and the fertilization amount of the soil can be analyzed reasonably according to the current practical situations of the soil and the crops, so as to conduct intelligent irrigation and fertilization, so that waste of water resources and fertilizers and high human cost are reduced.

An agricultural fertigation method includes the in situ manufacture of one or more fertilizers within the irrigation upstream of the agricultural field being irrigated. Co-reactant raw materials, namely sulfuric acid, phosphoric acid, nitric acid, potassium hydroxide, urea, ammonium hydroxide, ammonia, calcium nitrate and / or magnesium nitrate, are intermixed with each other and with the stream of the flowing irrigation water. The stream of flowing irrigation water dampens the resultant dissolution and reaction exotherms. A system wherein raw materials are efficiently fed to the irrigation system main line or a side-arm reactor efficiently implements the method.

The invention provides an irrigation control method and an irrigation device and relates to the technical field of agricultural irrigation. The method includes an over-limit control mode. According to the over-limit mode, preset starting conditions comprise maximum delay time, when the irrigation device is started, a timer perform timekeeping on running time of the irrigation device, and if the irrigation device is started again within the maximum delay time, the timer resets and starts to count down again; if the irrigation device is not started again within the maximum delay time, the irrigation device is started automatically; the preset starting conditions comprise daily maximum irrigation amount / time, statistics is performed on daily irrigation water amount / time of the irrigation device, and when the statistic irrigation water amount / time reaches the daily maximum irrigation amount / time, the irrigation device will be forbidden from being started again in the same day. Excessive irrigation or insufficient irrigation caused by sensor failures or unreasonable parameter setting is effectively reduced, and damage, possibly caused by the excessive irrigation or the insufficient irrigation, to crops is effectively reduced.

The invention relates to a micro-moistening pipe and a micro-moistening irrigation system. The traditional agricultural irrigation methods, such as water irrigation, canal irrigation and the like, are coarse and low in efficiency, and the utilization rate of water is about 10%, therefore, the waste of water resources is astonishing, and a series of problems, such as soil salinization and the like, are easy to cause. For overcoming the disadvantages existing in the traditional irrigation, the irrigation methods, such as sprinkling irrigation, trickle irrigation and the like, are spread and applied at home and abroad, but when these irrigation methods are used, the utilization rate of water is only about 50%, and about half of irrigation water is still wasted. The micro-moistening pipe comprises a hose with a double-layer structure, and the hose is composed of an inner pipe (1), and an outer pipe (2) of a permeable protective sleeve, wherein the wall of the inner pipe is provided with micro through holes (3), and the diameter of the micro through hole is 10-900 nm. The micro-moistening pipe and the micro-moistening irrigation system provided by the invention are used for water-saving agricultural irrigation and water-saving reclamation on saline-alkali lands.

The invention discloses an agricultural irrigation engineering hydraulic engineering pipe convenient to install. The agricultural irrigation engineering hydraulic engineering pipe comprises a first pipe and a second pipe which are arranged side by side, a first annular protruding block is arranged on the side wall of the side, close to the second pipe, of the first pipe, a second annular protruding block matched with the first annular protruding block is arranged on the side wall of the side, close to the first pipe, of the second pipe, two grooves are symmetrically arranged in the second annular protruding block, openings of the two grooves are arranged back to back, clamping blocks are connected to the inner walls of the grooves through first springs, clamping grooves matched with the clamping blocks are arranged on the side wall of the first annular protruding block, vertically-arranged sliding rods are arranged in the clamping grooves and penetrate the clamping groves, vertically-arranged first sliding grooves are symmetrically arranged on the inner walls of the two sides of the clamping grooves, and first sliding blocks are connected to the inner wall of the side, close to thesecond annular protruding block, of the first annular protruding block. The agricultural irrigation engineering hydraulic engineering pipe is easy, quick and convenient to mount and dismount, time issaved, and the working efficiency is improved.

The invention relates to an agricultural irrigation water saving system. The system comprises a Web platform, a wireless gateway and wireless terminal equipment, wherein a mobile communication network is adopted for communication between the Web platform and the wireless gateway, and a short-range wireless communication network is adopted for communication between the wireless gateway and the wireless terminal equipment. The Web platform issues a control instruction to the wireless gateway, the wireless gateway forwards the instruction to the wireless terminal equipment, and then the wireless terminal equipment carries out corresponding operation and returns a result. The Web platform comprises an irrigation planning module used for making irrigation strategies according to different crops, different environmental attributes, real-time soil moisture content data, pipeline pressure and the like. The system intelligently makes the irrigation strategies in a pointed mode, can monitor region environment in real time and remotely control equipment to achieve automatic irrigation and improves water-saving capacity and accuracy of irrigation.

The invention discloses a circulating zero-valent iron biofilter for strengthened treatment of rural domestic wastewater. The circulating zero-valent iron biofilter is structurally characterized in that a plurality of wastewater treatment units are arranged underground; the rural domestic wastewater is collected into the wastewater treatment units for circulating and strengthened treatment through a water pipeline system; the treated domestic wastewater is used as agricultural irrigation water or for supplementing groundwater or is directly discharged into a river; each wastewater treatment unit comprises a pretreatment pool, a circulating pool and a zero-valent iron biofilter; and the treatment units are structurally independent of one another and communicate through pipes. The circulating zero-valent iron biofilter has the advantages of low maintenance, low energy consumption, water quality impact resistance and high wastewater treatment efficiency; the advantages of intensive and ecological technical routes are coupled through only one pump, complicated drainage conditions of rural areas are coped with easily and the stability of effluent quality is ensured; and meanwhile, surface land resources are saved and the circulating zero-valent iron biofilter is simple and applicable, and is convenient to operate and manage and low in cost.

The invention belongs to the technical field of agriculture, and particularly relates to an Internet of Things intelligent agricultural irrigation device and method based on deep learning. The devicecomprises a central processing device, a soil humidity sensor, a spray irrigation device, an image collection device, a meteorological collection sensor, a first data collection module, a second datacollection module, a third data collection module, an SVM classification module, a pre-processing module and a neural network module based on deep learning. Soil information, environment information and crop information are collected through an Internet of Things device, crops are recognized by adopting a deep learning method to judge crop category, growth stage, whether there is a sign of water deficiency or not and water deficiency degree, corresponding irrigation strategies are adopted according to moisture needs of each crop at different growth stages, and proper irrigation modes are selected for different crops, in this way, crop growth can be better promoted, and scientific irrigation is realized.

A linear water feed apparatus for use in agricultural irrigation includes a linear-move machine with a mobile truss assembly supporting a plurality of individual sprinklers and adapted for movement in a specified direction across a field to be irrigated. The truss assembly is oriented transverse to the specified direction, and a supply pipe is arranged in the specified direction along or within the field to be irrigated. The supply pipe mounts a plurality of water supply hydrants at spaced locations along the pipe, each of the hydrants enclosing a water supply valve. A docking station is supported at one end of the truss assembly closest to the supply pipe, and is adapted to engage and open successive ones of the water supply valves in the plurality of hydrants. The docking station assembly includes a docking station that is suspended from a frame for floating movement about at least three mutually perpendicular axes.

A forward roll agricultural irrigation line includes an irrigation unit having a plenum pipe, a plurality of water delivery orifices in the plenum pipe, a water supply line in communication with the plenum pipe, and at least one drive wheel supporting the plenum pipe. Typically, there are a plurality of drive wheels supporting the plenum pipe. A drive unit includes a DC electrical motor mounted to the irrigation unit and engaged to controllably rotate the drive wheels, preferably by rotating the plenum pipe. A control / power unit includes a battery power supply, a control unit having as an input power from the battery power supply and as an output a control and power signal to the DC motor, and a photovoltaic battery charger providing recharging power to the battery power supply.

The invention discloses an ecological corridor for removing nitrogen and phosphorus of micro-polluted river water and a construction method thereof, which belong to the field of river water pollution treatment. The ecological corridor is positioned in a pond with an area of over 4,000m<2>; two or more parallel flow guide dams are formed along the length direction of the pond; adjacent flow guide dams are opposite to each other; the length of the flow guide dam is at least three fourths the length of the pond; a flow guide corridor is formed between the flow guide dam and a shore side and between the flow guide dams; floating plants or a fixed ecological floating bed is arranged in the flow guide corridor; and the water surface coverage of the ecological floating bed is 10 to 20 percent. The flow guide corridor is constructed by establishing the flow guide dam and the ecological corridor is constructed by arranging the ecological floating bed. The water quality index of most of the micro-polluted river water treated by the ecological corridor can reach and exceed the IV-V class standard in the national surface water quality standard (GB2002-3838). The purified water body finally flows out through an overflow outlet at the rear end of the system and used for fishery, landscapes, agricultural irrigation water and the like.

The present invention relates to the field of agricultural irrigation, more specifically, a variable-diameter self-rotating farmland irrigation nozzle, including a nozzle seat, a rotating pipe, a nozzle pipe, a diameter-changing device, a nozzle and a connecting piece; the nozzle pipe is provided with a spiral chute and rectangular chute, the number of turns of the spiral chute is one circle, and the two ends of the rectangular chute communicate with the upper and lower ends of the spiral chute; the diameter reducing device includes a socket sleeve, multiple blades, multiple supports Rod, variable-diameter plug core and plug-in column, multiple blades are arranged in the plug-in sleeve, the right end of the plug-in sleeve is connected to the variable-diameter plug core through a plurality of support rods, and the right end of the outer wall of the plug-in sleeve is provided with a plug-in column; A variable-diameter self-rotating sprinkler head for farmland irrigation, which has the beneficial effects of continuously changing the direction of sprinkling irrigation through self-rotation, and uniformly changing the distance of sprinkling irrigation and the range of sprinkling irrigation, which solves the problem of low service life of the sprinkler head and the range of sprinkling irrigation in the existing sprinkling irrigation technology. And the problem that the amount of sprinkler irrigation water is not easy to control.

The invention discloses a fore-reservoir system driven by natural energy in lake outlet regions, belonging to the field of fore-reservoirs. The fore-reservoir system comprises five units: a water diversion storage buffer area, an ecological interception and sedimentation area, an intensifying and purifying area, a deep purification area and an ecological stable area. The fore-reservoir system disclosed by the invention solves the problem of power needed by the water inflow, intensification and purification of reservoir areas by adopting a wind energy and solar energy driving technology and enhances the treatment efficiency of the five units through the link-by-link purification and the step-by-step interception of the five units, thereby achieving the final reduction of pollutants entering lakes; the fore-reservoir system disclosed by the invention can finally realize the target of removing 30 percent of TN (Total Nitrogen), TP (Total Phosphorus) and COD (Chemical Oxygen Demand) loads through the combined action of the five units; most water quality indexes can achieve and be superior to an IV-V class standard of the national surface water environmental quality standard after treatment; outflow water treated by the fore-reservoir system can be used as water for fishery, landscape, agricultural irrigation, and the like; and in addition, the invention can provide a scientific, effective and referable technology for fore-reservoir construction, the reduction of pollution loads entering the lakes and lake eutrophication control in the lake outlet regions.

The present invention relates to the use of a hydrophilic membrane to provide by the process of pervaporation through the membrane water suitable for agricultural irrigation, industrial use, hydrating or rehydrating of food or agricultural or pharmaceutical compositions. The present invention also relates to a water purification apparatus which includes the hydrophilic membrane, comprising one or more layers of hydrophilic polymers, to purify water which may contain suspended or dissolved impurities and solids, including but not limited to seawater, brackish water and other kinds of polluted water.

Internet-accessible system and method for customized design and on-site verification of agriculture irrigation systems includes one or more of: 1) sprinkler package configuration software operable on a user's PC or accessible via an Internet website, 2) Internet-accessible proprietary irrigation system registry database and user interface, 3) computer-controlled automated component selection and labeling system for placing barcode or RFID information on components, and 4) portable wireless location-aware communication device operable at or near an irrigation site for accessing the registry database and obtaining sprinkler package configuration information specific to a particular irrigation system based on location and / or a particular irrigation system component detected in proximity to the portable communication device.

The invention belongs to the field of agricultural irrigation in hilly and mountain areas, and relates to a distributed gravity irrigation photovoltaic system for layer water lifting and energy storage. Hills are layered according to different altitudes, and each layer is provided with a photovoltaic pump system and is provided with a water storage tank; a photovoltaic plate is used for converting acquired solar energy into electric energy, a frequency conversion inverter is used for converting DC (Direct Current) voltage output by the photovoltaic plate into an AC (Alternating Current) voltage to drive a motor to operate, and a water pump is driven to pump water at a low water level to an upper water storage tank for storage by the motor; the system is used for storing the converted electric energy into the potential energy of water by using the difference of elevation of the hills, so as to realize layer water lifting and energy storage; furthermore, each layer of photovoltaic pump system is used for detecting the water level of the upper water storage tank by a liquid level sensor, and transmitting a water level signal to a remote control terminal through a wireless network, so as to prevent field watching and realize time saving and labor saving; in addition, the photovoltaic panel is small in floor area, low in lift and flexible and convenient to use; meanwhile, the electric energy storage cost is low, and the energy-saving irrigation can be effectively realized.

The invention discloses a method and a device for configuring the water resource. The method comprises the steps of A, establishing an optimized model by taking land utilization maximization and water consumption minimization as a goal and taking surface water capacity constraint, available water capacity constraint of underground water, surface water irrigation proportion constraint, irrigation water requirement constraint, land utilization constraint, water reservoir capacity constraint and irrigation water capacity non-negativity constraint as constraint conditions; B, disassembling the optimized model into an upper bound sub model and a lower bound sub model according to a region interactive algorithm, introducing penalty coefficients through a type-2 fuzzy type reduction method, converting the upper bound sub model and the lower bound sub model into corresponding linear programming models, and solving the linear programming models; C, selecting different underground water use proportions, bringing the different underground water use proportions into the optimized model to compute, and obtaining a relationship between the underground water use proportions and a crop planting structure. By utilizing the method and the device, disclosed by the invention, the plan on water resource utilization under multiple uncertain conditions can be carried out, and a reasonable agricultural irrigation method can be provided.