227results about How to "Improve irrigation efficiency" patented technology

The invention discloses a precise irrigation decision analysis method and system based on crop water demand, and particularly relates to the technical field of crop irrigation. A monitoring area is divided, soil humidity sensors with different depths are installed, moisture state data of a root zone are monitored in real time, moisture gradient change characteristics and moisture retention time deviation characteristics are extracted and analyzed, a moisture fluctuation abnormal index is calculated, the moisture fluctuation abnormal index is compared with a threshold value, and the moisture fluctuation abnormal index is calculated. The method comprises the following steps: dividing underground water fluctuation into high, middle and low underground water fluctuation abnormal levels, and taking corresponding irrigation adjustment measures according to different levels of fluctuation: taking a drainage measure to reduce excessive soil moisture for high-level abnormal fluctuation; crop water demand model parameters are dynamically adjusted through medium-grade fluctuation; a normal irrigation strategy is maintained by low-grade fluctuation, so that negative effects of underground water fluctuation and excessive irrigation on crop root zones and soil structures can be effectively avoided, soil permeability and water storage capacity are maintained, long-term productivity of farmland is guaranteed, and irrigation efficiency and water resource utilization rate are improved.

The invention relates to the technical field of water and fertilizer drip irrigation, in particular to a biogas slurry, water and fertilizer integrated drip irrigation machine. Comprising a filter cartridge which is coaxially arranged in the outer cylinder, a coarse filter screen, a fine filter screen, a first scraper blade and a second scraper blade are arranged in the filter cartridge, water permeable holes are annularly and uniformly formed in the outer side wall of a lower cavity, and a water outlet is formed in the outer side wall of the lower cavity. And a blow-off pipe communicated with the filter cartridge is arranged at the bottom of the outer barrel. By means of multi-layer fine filtering combination, biogas slurry is purified at an irrigation inlet, impurities are reduced, a drip irrigation head is prevented from being blocked, and the irrigation efficiency is improved; the rotary driving mechanism regularly drives the scraping plate to accurately scrape impurities, and automatic cleaning and discharging are achieved by means of the locking opening and closing device and the movable sealing plate; the flow guide cover optimizes biogas slurry dispersion, deals with unstable supply and reduces pipe inlet pressure.

The invention discloses an energy-saving irrigation method for a water conservancy project, and belongs to the technical field of agricultural irrigation. The adjusting mechanism is installed on the water conveying pipe and comprises a movable sleeve part and a third sleeve, the movable sleeve part is rotationally installed on the water conveying pipe, an adjusting part is installed in the movable sleeve part, the third sleeve is provided with an irrigation opening, and the third sleeve is installed on the movable sleeve part in a sliding mode through the adjusting part; the oxygen supply mechanism is arranged in the movable sleeve and comprises a fixing ring, a connecting rod, an air bag and an output pipe, the connecting rod can slide in the circumferential direction of the fixing ring, the connecting rod is sleeved with the air bag, and the output pipe is fixedly connected with the air bag. Water flow enters the movable sleeve and the third sleeve through the space between the sealing block and the sealing ring, the third sleeve moves upwards on the movable sleeve under the jacking action of the movable rod to expose the irrigation opening, and the purpose of irrigation is achieved.

The invention, which relates to the technical field of landscaping maintenance, discloses a landscaping maintenance control system comprising a data acquisition module, a data transmission module, a calculation processing module, a maintenance adjustment module and a monitoring optimization module. According to the system, various environmental data of landscaping can be collected in real time, a maintenance strategy is automatically customized in combination with the actual condition of landscaping maintenance, the control system can accurately control the humidity of soil, the irrigation strategy can be dynamically adjusted, efficient utilization of resources is achieved, and the system is suitable for large-scale popularization and application. And self-adaptive optimization and adjustment of the system are carried out based on data acquired in real time and comprehensive calculation and evaluation results, so that the system has the effects of intelligence and practicability.

The invention discloses an irrigation district water storage management and control system and a dynamic water storage management and control method for slope planting, and relates to the field of mountain water resource management and agricultural irrigation, and the irrigation district water storage management and control system comprises a server side which is used for deploying front and rear end codes, files, models and databases; the background management control platform is used for managing and controlling water storage stations, drip irrigation valves, soil moisture content information, crop planting information, crop fertilization information and data analysis related models in an irrigation area; the foreground statistical analysis platform is used for monitoring, analyzing and visually displaying the information in the irrigation area; and the mobile terminal management and control platform is used for checking the multi-dimensional information of the irrigation area in a portable manner and performing corresponding management and control. According to the method, the large-scale multi-point-position operation state is displayed in a partitioned, blocked and multi-dimensional manner by combining terrain and geographic information data, and the method can adapt to visual monitoring, management and control of irrigation areas in complex geographic environments such as slopes and the like.

The invention discloses an energy efficiency optimization method and system for an irrigation area, a storage medium and electronic equipment, and relates to the field of intelligent irrigation. The method comprises the steps that crop information and soil information of all sub-areas in an irrigation area are obtained, and the irrigation area is communicated with branch pipelines of all the sub-areas through a main pipeline; for any sub-region, according to the crop information and the soil information, determining the irrigation amount and the irrigation priority required by crops in the sub-region; according to the irrigation amount and the irrigation priority corresponding to each sub-region, a first irrigation plan of a connected region is generated, the connected region is composed of at least two sub-regions, and the first irrigation plan comprises an irrigation mode for irrigating crops in each sub-region in the connected region in different time periods. By implementing the technical scheme provided by the invention, the overall energy efficiency optimization of the irrigation system can be realized.

The invention discloses a ground-air integrated agricultural detection system and method, and relates to the technical field of agricultural detection. Farmland multi-dimensional data are collected through the ground-air sensor, and the farmland environment is comprehensively monitored. Based on the soil moisture dynamic change and the crop root activity data, obtaining a root moisture utilization efficiency index; identifying crop disease symptoms and pest population distribution, predicting a pest diffusion trend, and obtaining a pest propagation risk index; the soil erosion risk index is obtained by analyzing the soil particle loss, the surface runoff intensity and the vegetation coverage change. The early warning module comprehensively evaluates the root system moisture utilization efficiency index, the disease and pest propagation risk index and the soil erosion risk index to obtain a farmland detection index, an early warning mechanism is set, and early warning information is generated when the farmland detection index triggers an early warning condition. Farmland conditions can be monitored in real time, a scientific management basis is provided, the intelligent level of agricultural management is improved, and resource waste and crop loss are reduced.

The invention discloses an automatic irrigation control system and method for a tea garden based on photovoltaic power generation, and particularly relates to the technical field of agricultural irrigation, photovoltaic power generation capacity, tea tree growth irrigation cycle and meteorological condition information are collected in real time through multiple types of sensors, and formatting processing is carried out to ensure data availability; information lag degree analysis is carried out based on the processed data, and feedback lag early signs in photovoltaic power generation and tea garden irrigation cooperative control are identified; according to the lag signs, extracting power supply fluctuation, tea tree irrigation demand urgency and climate environment change characteristics, and generating corresponding fluctuation indexes, demand indexes and change indexes; dividing a feedback sampling period into a high-quality period or a low-quality period by using fuzzy logic, and dynamically adjusting the sampling frequency based on the current sampling frequency in the low-quality period; the feedback sampling frequency can be dynamically adjusted, and the stability and the response speed in the cooperative control process of photovoltaic power generation and tea garden automatic irrigation are effectively improved.

The invention relates to the field of saline-alkali land management, and specifically discloses an irrigation device for saline-alkali land management, comprising: a main water pipe mechanism, comprising a main water pipe assembly, and a branch pipe arranged on the main water pipe assembly; a water supply pipe mechanism, comprising a water supply pipe assembly interconnected with the branch pipe, and an extension pipe assembly installed on the water supply pipe assembly; the water supply pipe assembly comprises a connecting hose, one end of which is fixedly connected with an external joint; the invention can adapt to the irrigation needs of saline-alkali land of different sizes and shapes through the flexible connection of multiple sections of main water pipe assemblies, and ensure that water is stably and efficiently transported to each irrigation point; the arrangement of the water supply pipe assembly and the extension pipe assembly is not only convenient for installation and position adjustment, but also can effectively surround saplings to achieve precise irrigation; the arrangement of the positioning rod enables the irrigation device to be firmly inserted into the soil to avoid displacement or separation during the irrigation process.

The invention discloses multifunctional photovoltaic energy-saving agricultural irrigation equipment which comprises a vehicle body, a rotating mechanism, an irrigation pipe, an air supply assembly, a box body and a liquid supply assembly. A control system and a photovoltaic power generation system are mounted on the vehicle body; the rotating mechanism is mounted on the vehicle body; a multi-degree-of-freedom mechanical arm is mounted on the rotating mechanism; the irrigation pipe is mounted at the tail end of the degree-of-freedom mechanical arm, a spray head is mounted at one end of the irrigation pipe, and a Venturi pipe is mounted in the irrigation pipe and is close to the spray head; the air supply assembly is mounted at the tail end of the degree-of-freedom mechanical arm and used for supplying air into the Venturi tube; the box body is installed on the vehicle body, a water supply assembly and a stirring mechanism are installed on the box body, and the water supply assembly is used for supplying water into the irrigation pipe; the liquid supply assembly is installed on the vehicle body and used for adding a nutrient solution into the box body. Precise irrigation of crops can be achieved, the sprinkling area and uniformity of sprinkling irrigation are effectively improved, and the irrigation efficiency and the energy utilization efficiency are improved.

The utility model provides a combined simple irrigation canal, and relates to the field of irrigation canals. The combined simple irrigation canal comprises a plurality of adjacent canal pipes, the joints of every two adjacent canal pipes are fixedly connected through connecting pieces, the canal pipes and the connecting pieces are each of a U-shaped structure, the connecting pieces are installed on the inner sides of the joints of the canal pipes, and four positioning plates are symmetrically and fixedly connected to the tops of the connecting pieces at equal intervals; four screws are symmetrically and fixedly connected to the top of the canal pipe at equal intervals, the positioning plates are all connected with the adjacent screws in an inserted mode, knobs are in threaded connection with the outer sides of the screws and located on the tops of the positioning plates, the knobs are attached to the tops of the positioning plates, and two sealing gaskets are symmetrically and fixedly connected to the side, close to the inner wall of the canal pipe, of the connecting piece. According to the combined simple irrigation canal, the connecting pieces are arranged to be used for connecting the canal pipes, installation work is simple and convenient, irrigation water is prevented from leaking from the connecting positions of the canal pipes under the action of the sealing gaskets, and the combined simple irrigation canal can be well suitable for irrigation work.

The utility model relates to the technical field of turf laying, in particular to a turf laying device for landscaping, which comprises a sweeping board, and the edge of one side of the sweeping board is fixedly connected with an inclined guide flat pipe. The turf paving device has the advantages that the turf is guided to be paved in front of the ground through the guide flat pipes, water can be sprayed to the roots of the turf through the spraying pipes, so that the roots of the turf can be quickly supplemented with water, meanwhile, the ground can be wetted by the falling water, the water can be directly poured to the joint surface of the turf and soil, the joint effect of the joint surface is improved, and the service life of the turf is prolonged. Meanwhile, the irrigation efficiency is improved, water directly reaches the root system, water evaporation is reduced, and the cleaning roller rotating at a high speed drives the loosening teeth to smash the soil surface, so that the hardened soil surface is loosened, the laid turf can take roots conveniently, and the survival rate of the turf is increased; meanwhile, impurities such as large stones in the soil can be swept away through the dense dry loosening teeth, and the laying effect is improved.

The invention discloses an intelligent automatic watering robot system and an automatic water drying control method thereof, and aims to solve the problem of inconvenience in plant irrigation in existing family garden nursing. The system is composed of a watering robot and a base, wherein the watering robot comprises a machine body cabin, a water storage tank, an energy storage module and a control unit. A water drying module is arranged in the machine body cabin, various spraying modes can be switched according to different plant requirements, and uniform irrigation is ensured. In order to realize efficient path planning and obstacle avoidance, the sprinkling robot is equipped with a radar module, and sensors monitor the surrounding environment in real time and feed data back to the control unit. And obstacles are avoided while the whole garden area is covered. When the water amount in the water storage tank is lower than a preset threshold value, the control unit triggers low-water-level alarm and guides the watering robot to return to the base for water supplementing and charging.

The invention discloses an intelligent adjustment irrigation system and method based on an infrared spectrum. The method comprises the steps of soil sample data collection, pretreatment, original spectrum characteristic data collection, optimal wavelength screening, irrigation data calibration and the like. According to the method, the relative moisture content of the soil is monitored in real time through the infrared spectrum, precise adjustment of irrigation is achieved in combination with the requirement of the plant growth cycle, and the problems such as excessive irrigation or insufficient irrigation in a traditional irrigation mode are avoided. The method has the advantages of improving irrigation accuracy, saving water resources, promoting healthy growth of crops, being high in adaptability and the like.

The invention belongs to the technical field of agricultural cultivation, and particularly relates to a precise irrigation control system and method for substrate cultivation. The method specifically comprises the following steps: monitoring multi-parameter data, namely a soil humidity index, a plant physiological index and an environmental factor index, in real time through a multi-parameter sensor, and transmitting the data in a wired or wireless manner; the collected multi-parameter data are preprocessed, and then predicted plant water demand is obtained by using an intelligent decision algorithm and is displayed through a visual platform; the on-off state and the flow of the irrigation equipment are automatically adjusted through the control circuit according to the predicted water demand of the plants, the actual water demand of the plants can be accurately matched through multi-parameter monitoring and an intelligent decision algorithm, the situation of excessive or insufficient irrigation is reduced, the irrigation efficiency and the water resource utilization rate are improved, and accurate irrigation is achieved.

The invention provides an intelligent monitoring and adjusting reclaimed water irrigation method and system, and relates to the technical field of water resource utilization, and the method comprises the steps: deploying a sensor network which comprises a water quality sensor, a flow sensor and a pressure sensor; the sensor network monitors parameters of the irrigation system in real time and sends the parameters to the intelligent controller; the intelligent controller uploads the parameters to a cloud server; the cloud server analyzes the parameters through an intelligent control algorithm and dynamically adjusts water resource distribution; the intelligent controller receives an adjusting instruction of the cloud server and automatically adjusts parameters of the irrigation system.

The invention discloses a self-propelled punctiform irrigation device, and relates to the technical field of irrigation, the self-propelled punctiform irrigation device comprises a vehicle body, a plurality of groups of irrigation mechanisms are arranged on the vehicle body, each irrigation mechanism comprises a base pipe and a movable pipe matched with the base pipe, the movable pipes are used for extending into the ground for infiltrating irrigation, one end, used for irrigation, of each base pipe is provided with a spray head, and the spray heads are arranged on the base pipes. The spray head and the base pipe are structurally wedged and can be in butt joint, a gear is fixedly connected to the spray head, a rack is meshed with the gear and used for changing the butt joint state of the spray head and the base pipe, and the base pipe and / or the movable pipe are / is communicated with an external water supply pipe. According to the self-propelled point-shaped irrigation device, by moving the rack, the gear drives the spray head to be disengaged from the base pipe, and in the state, the movable pipe can extend out of the base pipe to the underground for infiltrating irrigation, so that the irrigation mechanism can perform irrigation, sprinkling irrigation or infiltrating irrigation according to implementation requirements; the most appropriate irrigation mode can be selected according to different scenes and crop growth stages, and the irrigation efficiency and effect are improved.

The invention provides a preparation method and device of hydrogen-oxygen interface nano-micron bubble water for agricultural production, and the method comprises the following steps: S1, filtering raw water for multiple times, and purifying the raw water into purified water; s2, electrolyzing the purified water to decompose the purified water into hydrogen and oxygen; s3, the hydrogen and the oxygen respectively pass through an interface nano-micron bubble generation device to form interface nano-micron bubble water; s4, the interface nano-micron bubble water is conveyed to a ceramic activation device, and the activity of the interface nano-micron bubble water is improved; s5, mixing the activated interface nano-micron bubble water with an external water source to form irrigation water. Raw water is purified into purified water through multiple times of filtration, impurities and harmful substances in water are effectively removed, and a purer irrigation water source is provided for plants. Interface nano-micron bubble water formed by hydrogen and oxygen generated by electrolysis is rich in active oxygen and molecular hydrogen, so that the oxygen content of soil and the growth of soil microorganisms are improved, healthy growth of plant roots is promoted, root diseases caused by fungal viruses are reduced, oxidation and inflammation are resisted, and thus healthy growth of plants is promoted.

The invention discloses a cloud data processing-based scientific precise irrigation system, and relates to the technical field of precise irrigation, and the system comprises the following steps: obtaining influence data of sunshine duration on humidity; obtaining influence data of the temperature on soil moisture loss; acquiring influence data of wind speed on soil moisture loss; establishing an irrigation strategy based on the multiple influence data, and judging whether the soil is short of water or not in real time based on the irrigation strategy; carrying out irrigation treatment on the area needing to be irrigated on the basis of a judgment result; the method is used for solving the problems that in existing actual irrigation, a manual irrigation mode is adopted for irrigation under different weather conditions, water resource waste and pesticide waste are caused by subjective judgment during manual irrigation, and the irrigation efficiency is further low.

The invention discloses an intelligent irrigation trolley with a layered water storage and automatic water replenishing structure, and relates to the technical field of bridge engineering, the intelligent irrigation trolley comprises a track and a water injection assembly, a moving trolley assembly is attached to the top of the track, and a water tank assembly and an irrigation assembly are installed at the top of the moving trolley assembly. The water tank assembly comprises a water storage tank, and a second electric valve is installed on the top of the outer wall of the water storage tank. According to the intelligent irrigation trolley with the layered water storage and automatic water replenishing structure, the movable trolley assembly is adopted, irrigation operation can be automatically conducted according to the temperature and humidity conditions of a beam surface during bridge construction and maintenance, and the maintenance work efficiency is improved; the water injection assembly is adopted, when the irrigation trolley is used and no water exists in the trolley, water can be automatically injected into the water storage tank, the use convenience of the irrigation trolley is improved, the water tank assembly is adopted, when the irrigation trolley moves, impact on the water tank assembly when water in the water storage tank shakes can be reduced, and the use stability of the irrigation trolley is improved.

The utility model discloses a multifunctional film-mulching seeding machine, belongs to the technical field of seeding machines, solves the problem that the existing seeding machine cannot complete all cultivation operations of seed seeding, and adopts the technical scheme that the multifunctional film-mulching seeding machine comprises a rack, the rack is provided with a pesticide spraying device, a rotary cultivator device, a ridging device, a seed rope seeding device, a fertilizing device, a drip irrigation tape laying device, a film laying device and an earthing device, the pesticide spraying device comprises a pesticide storage barrel and a pesticide spraying rod, the rotary cultivator device comprises a rotary tillage blade, and the seed rope seeding device comprises a seed rope disc, a seeding pipe and a seeding wheel. The fertilizing device comprises a fertilizer box, a fertilizer discharging box, a connecting pipe and a fertilizing shovel, the drip irrigation tape laying device comprises a storage disc and a laying wheel, the film laying device comprises a film erecting rod and a film spreading roller, the soil covering device comprises a soil covering roller and a soil covering disc, and a notch is formed in the surface of the soil covering roller. The seeder disclosed by the utility model can automatically finish all cultivation operations required by seed sowing.

The invention provides a gate control method and system based on a neural network, and relates to the technical field of gate operation control in an agricultural irrigation district. By using a long and short term memory neural network model, an optimal gate opening degree instruction and an optimal gate opening duration instruction can be learned and predicted according to historical data; the dynamic adjustment of the irrigation process is realized, the irrigation efficiency is improved, in addition, the genetic algorithm optimization is combined on the basis of utilizing the neural network, the gate opening degree and the gate opening duration are dynamically adjusted, the precise irrigation is realized, the water resource utilization efficiency is remarkably improved, the unnecessary water consumption is reduced, meanwhile, a fuzzy logic processing mechanism is introduced, and the accuracy of the irrigation process is improved. The system can better cope with uncertainty and fuzziness factors existing in the irrigation environment, meanwhile, the application of the genetic algorithm ensures that the optimal solution can be found even in the complex and changeable environment, and the stability and reliability of the system are enhanced.

The invention discloses a recoverable sprinkling irrigation device for fruit planting, which comprises a device main body, a hollow support cylinder is arranged at the top of the device main body, a collecting hopper is arranged at the top of the support cylinder, a sundry filter screen is arranged at the center of the collecting hopper, and two symmetrical pull rods are arranged at the top of the sundry filter screen. A water quality filtering device is arranged in the supporting cylinder, a water tank communicating with the supporting cylinder is arranged in the device body, a rotating spraying mechanism and a nozzle assembly are arranged at the top of the device body, a lifting assembly and a driving assembly are arranged on the rotating spraying mechanism, and a flow dividing assembly is arranged on the nozzle assembly. Rainwater can be collected through the collecting hopper, the water quality filtering device and the impurity filtering net, impurities carried by the rainwater are filtered through the impurity filtering net and the water quality filtering device, the impurities in the rainwater are filtered, the filtered rainwater enters the water tank and can be used during sprinkling irrigation of the device, recycling of the rainwater is achieved, and the rainwater recycling efficiency is improved. And the fruit planting cost is reduced.

The invention provides an autonomous power supply type day-by-day tracking type intelligent sprinkling irrigation device which comprises a solar power supply system, an intelligent sensor group, a flow regulation module, a day-by-day tracking module and a sprinkling irrigation execution module. Solar energy is collected through the solar cell panel, the energy storage battery is charged through the power management module, and autonomous power supply of the device is ensured. The intelligent sensor group comprises a soil humidity sensor, an environment temperature and humidity sensor, an illumination intensity sensor and a wind speed sensor, and transmits data to the central processor through the wireless communication module. The central processing unit adjusts work of the flow adjusting valve and the spray head based on an irrigation model and a water demand calculation formula, and precise irrigation is achieved. The day-by-day tracking module adjusts the angle of a solar cell panel through an angle adjusting motor, and the energy utilization efficiency is improved.

The utility model belongs to the technical field of greenhouse automatic irrigation, and particularly relates to a greenhouse automatic irrigation device which comprises a greenhouse, supporting frames are fixedly installed on the inner side of the greenhouse and are sequentially arranged from front to back, fixing boxes are fixedly installed at the bottoms of the supporting frames, and the fixing boxes are connected with the greenhouse. Water storage tanks are fixedly mounted on the left side and the right side of the greenhouse; through the arranged irrigation assembly, when irrigation is needed, a driving shaft is controlled to drive the driving shaft to rotate, so that the driving shaft drives a rotating shaft to rotate through a bevel gear, and then the rotating shaft drives a movable block and a sliding block to slide through a rotating disc and a convex block after rotating; the sliding block slides to drive the transmission gear and the movable shaft to rotate through the tooth groove after sliding, so that the movable shaft drives the spray head to swing, the spraying range of the device is large during irrigation, and the irrigation efficiency is improved.

The utility model discloses a horizontal moving type potato planting irrigation device which comprises a hollow moving seat, a first supporting plate is fixed to the top end of the moving seat, a second supporting plate is connected to the top end of the first supporting plate in a penetrating and inserting mode, water pipes are fixed to the two sides of the second supporting plate, and the bottom ends of the two water pipes are communicated with a plurality of sprayers. According to the horizontal moving type potato planting and irrigating device, under the movement of the driving assembly, the lifting assembly is driven to move, the lifting assembly drives the second supporting plate to move, the water tank communicated with the water pipe is fixed to the top end of the moving seat, and the first supporting plate is internally provided with a lifting assembly for driving the second supporting plate to move; the second supporting plate drives the water pipe and the spray head to move, the heights of the water pipe and the spray head are adjusted, and the water pipe and the spray head are located above the potatoes, so that the potatoes with different heights can be irrigated conveniently, rapid irrigation of the potatoes is facilitated, and the irrigation efficiency of the potatoes is improved.

The invention discloses a saline-alkali soil improvement method based on a low-salt organic material. The method comprises six steps of saline-alkali soil detection, organic material selection, organic material pretreatment, organic material application, soil irrigation and soil pH value adjustment. According to the steps of organic material pretreatment and organic material application, it is ensured that the saline-alkali soil fertilization improvement effect is good, the method has the advantage of being good in improvement effect, and the problems that in the using process of an existing saline-alkali soil improvement method, in the using process, low-salt organic materials are inconvenient to efficiently improve the saline-alkali soil, and the soil quality is poor are solved. The problems that if low-salt organic materials cannot be fully utilized, the soil improvement effect may not be obvious, soil salinity cannot be effectively reduced, the soil structure cannot be effectively improved, supplement of the organic materials is lacked, the organic matter content of the soil is difficult to increase, and the fertility and the water and fertilizer retention capacity of the soil are affected are solved.

The invention discloses an intelligent agricultural water-saving irrigation and fertilization device which comprises a material changing and stirring mechanism, the material changing and stirring mechanism comprises a fertilizer melting water tank, an irrigation switching mechanism is installed on the front portion of the material changing and stirring mechanism, and material storage boxes are fixedly connected to the two sides of the top of the fertilizer melting water tank through supports; the front side of an inner cavity of the material storage box is rotationally connected with a driven rod through a bearing piece. According to the intelligent agricultural water-saving irrigation and fertilization device, the material changing and stirring mechanism and the irrigation switching mechanism are used in a combined mode, through the arrangement of the two mechanisms, different fertilizers can be injected into the fertilizer melting water tank through lifting of an air cylinder, and meanwhile the situation that daily irrigation and storage are affected by fertilizer leakage is avoided; in the process, linkage between the structures can be utilized, a plurality of upper spraying pipes can be synchronously lifted and automatically rotate by a certain angle, and therefore branches and leaves can be sprayed in a large range.

The invention provides an improvement method of soda saline-alkali soil, and belongs to the technical field of soil improvement. The method comprises the following steps: crushing corn straws, spreading the crushed corn straws on the surface of soda saline-alkali soil according to the addition amount of 15-20 tons / hectare, ploughing, harrowing, ridging, sowing jute seeds, fertilizing, and burying a drip irrigation belt in the middle of a ridge at a position 3-5 cm away from the earth surface. According to the method, the straw returning technology is matched with jute planting, the soil salinity and alkalinity of the soda saline-alkali soil are remarkably reduced, the soil fertility is improved, the soil environment is improved, and the yield and quality of jute are remarkably improved.

The utility model relates to the technical field of irrigation devices, and discloses an automatic vegetation irrigation and maintenance device which comprises an irrigation box and a moving trolley, a water inlet hole is formed in the top of the left end of the irrigation box, a water outlet hole is formed in the bottom of the left end of the irrigation box, and water valves are fixedly connected to the inner wall of the water inlet hole and the inner wall of the water outlet hole. An air pump is fixedly connected to the right end of the inner wall of the irrigation box, two one-way valves are fixedly connected to the right side of the irrigation box, a quantitative plate is slidably connected to the middle of the inner wall of the irrigation box, a quantitative adjusting column is in threaded connection to the right side of the irrigation box, and a handle is fixedly connected to the right end of the quantitative adjusting column. According to the utility model, the water quantity is quantitatively adjusted by rotating the handle and matching with the observation window and the scale lines, and the quantitative plate touches the pressure sensor after water is fed, so that the water pump is used for irrigating vegetation, the waste of water sources is avoided, the cost is reduced, and the irrigation efficiency is improved.