375results about "Liquid fertiliser distribution" patented technology

The invention relates to the technical field of intelligent control, and discloses a water-saving fertilization variable control method suitable for sandy soil, and the method comprises the steps: obtaining collection data based on a sensor; and establishing and updating an infiltration-storage-leaching loss prediction model of the sandy soil according to the collected data, performing state estimation on soil moisture and nutrient states, and calculating root layer moisture deviation, fertilizer concentration deviation and deep seepage risk. And executing model predictive control in the rolling time domain to obtain a control result. And executing water-saving fertilization operation according to the control result. In the execution process, the soil volume moisture content, the soil water potential, the soil conductivity and shallow layer leakage observation data are fused, the prediction model is corrected, the control result is dynamically adjusted according to the correction result, and when the environment wind speed exceeds a set threshold value, the spray irrigation parameters are corrected. The fine level of control is improved, deep layer leakage can be inhibited under the sandy soil condition, water and fertilizer balance of a root layer is guaranteed, and external disturbance is coped with.

The invention relates to the technical field of intelligent agriculture, in particular to an intelligent water-saving irrigation system for intelligent agriculture, which comprises a multi-source heterogeneous sensing module for collecting farmland soil data, crop physiological data, meteorological environment data and irrigation equipment operation state data; the AI dynamic decision-making module constructs a TFT time sequence prediction model, calculates the real-time water demand and the ecological adaptation coefficient of crops by combining a crop physiological coupling algorithm, and dynamically generates a personalized irrigation scheme; the self-adaptive regulation and control module is used for implementing a personalized irrigation scheme and carrying out water, fertilizer and pesticide integrated precise putting and multi-water-source dynamic scheduling through a magnetic control driving mode and a flow closed-loop control algorithm; the irrigation effect feedback module verifies the execution effect of the personalized irrigation scheme in real time, and dynamically executes a feedback optimization action in combination with a preset deviation threshold value; and the block chain data security module performs encrypted storage and access traceability on the irrigation whole process data. Therefore, the problems of insufficient prediction accuracy, insufficient water, fertilizer and pesticide feeding precision and the like in the prior art are solved.

The invention relates to the technical field of agricultural irrigation, and particularly discloses an intelligent agricultural water and fertilizer integrated irrigation system, which comprises an environment and crop state sensing network used for collecting soil, weather and crop phenotype data; the multi-source data fusion and demand analysis engine is used for associating data and analyzing water and fertilizer demands of individual crops; the dynamic decision-making unit based on the crop growth model is used for generating a partition variable irrigation and fertilization instruction through rolling optimization; and the partition variable execution mechanism is used for accurately executing the differentiated instructions. By means of the scheme, personalized precise water and fertilizer management of different crops in the field is achieved, the water and fertilizer utilization efficiency is remarkably improved, and balanced growth of the crops is promoted.

The invention relates to the technical field of mobile fertilization, and discloses a mobile fertilization device utilizing self-control fertilization and a use method thereof.The mobile fertilization device comprises a fertilizer mixing mechanism, a time sequence mechanism, a fertilization mechanism and a mobile trolley, the fertilizer mixing mechanism, the fertilization mechanism and the time sequence mechanism are all fixed to the mobile trolley, and the fertilization mechanism is connected with the fertilizer mixing mechanism; the fertilizing mechanism sprays mixed fertilizer into farmland, a stirring assembly is connected in the fertilizer mixing barrel, the grading hopper is vertically divided into a plurality of fertilizer storage cavities, gates are arranged at the bottoms of the fertilizer storage cavities, the timing mechanism comprises a cam shaft, a plurality of cams and a plurality of push rods, the cams are rotatably connected with the cam shaft, the cams are different in shape, and the push rods are connected with the cam shaft. The first ends of the multiple push rods are connected with the multiple cams in a one-to-one correspondence mode, the second ends of the multiple push rods are connected with the multiple gates in a one-to-one correspondence mode, the push rods convert rotary motion of the cams into linear motion of the gates, and the mixing degree of various fertilizers can be enhanced.

The invention provides a water and fertilizer on-line accurate detection and irrigation control system which is used for irrigation of hardened water channels in low-latitude plateau areas. Comprising a cloud box, a data acquisition module, an image recognition module, a system PLC controller and a remote control and system alarm. The cloud box establishes a real-time and historical database based on the data acquired by the data acquisition module, further comprises an irrigation volume model and a crop growth period moisture management model, and makes and outputs an irrigation decision based on the irrigation volume and moisture management model; the data acquisition module is used for acquiring soil or matrix data and field water level; the image recognition module collects crop growth images to enter different period schemes; and the PLC receives an irrigation decision or controls a lifting telescopic rod or a water gate decision. According to the system, large-scale intelligent planting of crops is achieved, a large amount of manpower is saved, the problem that the low-latitude plateau green efficient water-saving irrigation technology lacks is solved, and the crop production amount is greatly increased.

The invention discloses a crop growth perception and control system based on a multi-modal large model, and relates to the technical field of artificial intelligence, and the system comprises a data obtaining unit which is used for obtaining a crop canopy image covering a farmland space unit, soil sensor data, environment sensor data and farming operation information in a plurality of collection periods, determining a crop growth basic value and constructing a crop growth graph signal sequence; the growth prediction unit is used for constructing a crop growth Koopman evolution diagram signal processing model on the basis of the farmland space topological diagram and the crop growth diagram signal sequence; and the control execution unit is used for controlling irrigation equipment and fertilization equipment to execute corresponding operation according to the crop growth vigor control strategy. The method can effectively solve the problems of insufficient multi-modal data fusion, lack of spatial correlation modeling, unstable growth prediction, dispersed control strategies and the like in the prior art.

The utility model discloses a seedling raising device for saffron crocus planting, which belongs to the technical field of saffron crocus planting and comprises a base, a seedling raising pot is fixedly mounted on the upper surface of the base, a solution tank is fixedly mounted on the side wall of the base through a bottom plate, an expansion component is arranged on the side wall of the seedling raising pot, and the solution tank is fixedly mounted on the bottom plate. A stirring assembly is arranged in the solution tank; according to the seedling raising device, by arranging the expanding assembly, a driving motor on a fixing plate and a water pump in a solution box are started at the moment, the driving motor drives a reciprocating lead screw to rotate on a supporting plate at the moment, meanwhile, a threaded sleeve drives a movable frame to do synchronous reciprocating motion, and the movable frame drives a spray head to do reciprocating motion on a seedling raising pot; the spraying area of the spray head is enlarged through the moving frame, the fertilizer nutrient solution can be evenly distributed on the whole seedling raising pot area through the moving spray head, seedlings in the seedling raising pot can effectively absorb the fertilizer nutrient solution, healthy growth of the seedlings is facilitated, and the cultivation quality of the seedling raising pot is improved.

The invention discloses a constant-height adaptive spraying method based on a convolutional neural network and meta-learning, and aims to solve the problems of seemingly constant height and actual non-uniformity caused by the fact that spraying effectiveness and constant-height control are not closed-loop and only the height of a nozzle is controlled but deposition distribution uniformity cannot be guaranteed. The method comprises the following steps: obtaining a canopy image, a pose track, a distance from a nozzle to a canopy and a spraying parameter, carrying out time alignment, and carrying out geometric correction and spraying width coordinate system alignment on the canopy image based on the pose and the track; using the calibration sample to carry out meta-learning rapid adaptation on the deposition distribution estimation convolutional neural network, and outputting deposition distribution, canopy features and uniformity indexes; constructing a micro-deposition agent model composed of a nozzle deposition kernel function, trajectory convolution and attenuation modulation; spraying parameter reference values are optimized according to a deposition uniformity target in the outer ring micro-MPC, constant-height control is achieved in the inner ring micro-MPC with the minimum distance deviation and constraint of the change rate and the safety distance, and the technical effects of deposition distribution closed-loop optimization and constant-height safety tracking are achieved.

The invention relates to an intelligent control method and system for high-pressure atomization irrigation and a storage medium of the intelligent control method and system, and aims to solve the problem that the quality is inconsistent due to the fact that traditional water and fertilizer management of high-value crops is difficult to sense the internal physiological state of the crops in real time. Randomly selecting a plurality of offering samples in each management partition for destructive sampling, and obtaining crop truth value data through physiological and biochemical detection; then, an irrigation rule base is established and dynamically updated based on the truth value data, and then variable control instructions are generated for the management partitions in combination with the real-time environment data; the invention further provides a system for implementing the method and a storage medium, accurate regulation and control starting from real demands of crop bodies are achieved, the consistency of crop quality and the resource utilization efficiency are effectively improved, and self-learning and predictive prevention and control capabilities are achieved.

The invention provides a remote monitoring system for seedling cultivation, and belongs to the technical field of remote monitoring, and the system comprises a position analysis module which is used for carrying out the rough segmentation of a terrain structure of a seedling planting region and the extraction of growth good and bad positions; the deployment module is used for performing good and bad cutting on the segmented slope surface and the segmented plane to obtain a plurality of sub-cut surfaces and deploying a sensor group and an intelligent control group; the control end is used for capturing a multi-dimensional influence vector of the nursery stock planting area in real time based on a whole-process working camera deployed in the nursery stock planting area, triggering a monitoring condition to newly add a temporary moment, controlling a corresponding sub-cutting surface to carry out newly-added monitoring for one time, and meanwhile, according to a delay attribute and an influence attribute of the triggering monitoring condition, controlling the corresponding sub-cutting surface to carry out newly-added monitoring for one time; updating the monitoring subset of each sub cutting surface; and carrying out nursery stock growth analysis on the multi-dimensional monitoring data to determine a control instruction aiming at the corresponding sub-cutting surface, and issuing the control instruction. And fine management of seedling cultivation is ensured.

Facility layouts and configurations for an automated crop production system for controlled environment agriculture. In particular implementations, the core of the facility comprises a controlled growth environment and a central processing system. The controlled growth environment includes systems for exposing crops housed in modules, such as grow towers, to controlled environmental conditions. The central processing system may include various stations and functionality both for preparing crop-bearing modules to be inserted in the controlled growth environment, for harvesting crops from the crop-bearing modules after they have been extracted from the controlled growth environment, and for cleaning or washing crop-bearing modules for re-use. The controlled growth environment may include vertical farming structure having vertical grow towers and associated conveyance mechanisms for moving the vertical grow towers along one or more grow lines. The conveyance mechanisms may include a return transfer mechanism that creates a return or u-shaped path for each grow line.

The invention discloses a plateau pepper growth environment regulation and control integrated system based on multi-source data fusion, and relates to the field of plateau pepper auxiliary planting, and the integrated system is configured to be a closed cultivation device integrating environment perception, data fusion analysis and multi-factor cooperative regulation and control. The closed cultivation device comprises a cultivation bin body, an environment regulation and control module, a visual inspection module and a directional deinsectization module, the inner side of the cultivation bin body is divided into a plant growth regulation and control chamber and an equipment integration chamber which are adjacently arranged up and down through a transverse partition plate, and multiple rows of pepper planting modules distributed in the longitudinal direction are arranged on the inner side of the plant growth regulation and control chamber; according to the integrated system, environment perception, data fusion analysis and multi-factor cooperative regulation and control functions are integrated into the closed cultivation device, the visual inspection module is used for dynamically obtaining the plant growth state and pest and disease damage information, and the directional deinsectization module achieves precise deinsectization; and full-period stable control and multi-factor dynamic collaborative optimization of the plateau pepper growth environment can be realized.

The utility model discloses a cotton dry-sowing wet-out irrigation device which comprises a main pipe, an installation frame is fixedly installed above the main pipe, a water inlet pipe is fixedly installed above the installation frame, a plurality of sets of water outlet pipes distributed at equal intervals are arranged on the main pipe, an installation disc is arranged on the installation frame, and two sets of symmetrically-distributed filtering frames are embedded in the installation disc. The mounting disc is rotationally connected with the mounting frame through a mounting shaft, the mounting shaft is sleeved with a first gear, a first rack is slidably mounted in the mounting frame, a fixing frame is slidably mounted on the mounting frame, and a cleaning brush is arranged in the fixing frame; the installation disc is matched with the two sets of symmetrically-distributed filtering frames, particulate matter impurities contained in a water and fertilizer mixture entering the main pipe through the water inlet pipe are filtered, and the possibility that the irrigation device is blocked by the particulate matter impurities is reduced; and through the arranged cleaning brush, automatic cleaning of impurities attached to the used filter frame is realized.

The utility model relates to the technical field of seedling culture, in particular to a rice seedling culture device which comprises a main frame body, a plurality of layers of culture platforms are erected on the main frame body; a plurality of groups of seedling culture liquid storage boxes which are arranged at intervals are arranged on the culture platform along the horizontal direction, and a plurality of seedling culture baskets are arranged on the seedling culture liquid storage boxes; and a light supplementing lamp over against the seedling culture basket is arranged above each layer of culture platform. Through the design of multiple layers of culture platforms, a main liquid conveying pipe, a sub liquid conveying pipe, a liquid storage tank, a conveying pump and the like on the main frame body, accurate conveying and continuous supply of a nutrient solution of the rice seedling culture device are achieved. Therefore, the rice seedlings can obtain sufficient and balanced nutrition support, and the culture efficiency and the growth quality of the seedlings are improved.

The utility model belongs to tea planting equipment field, concretely is a kind of tea planting fertilizing device, including trolley, the side fixed mounting of trolley top is equipped with handle, the middle part of handle is fixedly installed with horizontal plate, the middle part of horizontal plate top is fixedly installed with electric telescopic handle, the fixed mounting of electric telescopic handle end and located horizontal plate bottom is equipped with L type support seat, the side fixed mounting of L type support seat top is equipped with driving motor, the surface of driving motor output is equipped with driving wheel, the inner wall of driving wheel and driving motor output surface are all provided with recess, the inside fixed mounting of recess is equipped with clamping key. Through the structural design of electric telescopic handle, L type support seat, driving motor, driving wheel, and through the mutual cooperation between structure, the function of driving is realized, so it can be directly converted into the rotary power of driving wheel by driving motor output torque, auxiliary trolley advances, to improve the efficiency of fertilization.

The invention provides an intelligent drip irrigation and fertilization device for a garden green belt. The intelligent drip irrigation and fertilization device mainly comprises a supply mechanism, a conveying mechanism and a plurality of drip irrigation mechanisms. The supply mechanism is used for providing purified water and fertilizer liquid; the conveying mechanism is connected with the supply mechanism and is arranged in the green belt; the plurality of drip irrigation mechanisms are detachably arranged on the conveying mechanism, and the conveying mechanism is used for transferring the purified water and the fertilizer liquid provided by the supply mechanism to the plurality of drip irrigation mechanisms; the drip irrigation mechanism is used for mixing the purified water and the fertilizer liquid into irrigation liquid and adjusting the preset mixing proportion of the purified water and the fertilizer liquid and the preset distribution proportion of the different stratums according to the soil water potential of the different stratums in the green belt so as to achieve layered intelligent water supply. The drip irrigation mechanism serves as a modularized unit, and water and fertilizer can be pertinently supplemented to the upper soil and the lower soil in a local area according to the water potential and requirements of the upper soil and the lower soil. The problem of contradiction between salt accumulation on the upper layer of the garden green belt and long-term recessive water and fertilizer shortage of the lower layer is solved.

Disclosed is an actuator for actuation of a fluid dispense valve in a pressurized fluid powered fluid dispensing device. The actuator comprising structure to generate a pressure differential between a first zone and a second zone. The zones being adjacent a valve member of the fluid dispense valve of the device such that upon generation of the pressure differential the valve member is moved from the zone of relatively higher pressure towards the zone of relatively lower pressure such that the valve is opened.

The utility model provides tower type rotary multi-layer planting equipment, and belongs to the technical field of planting devices. Comprising a machine frame, a plurality of sets of driving wheels are arranged in the machine frame, a chain is jointly arranged on the driving wheels in a transmission mode, a plurality of hanging basket type planting plates are arranged on the chain in a hanging mode, mounting grooves are formed in the upper end faces of the hanging basket type planting plates, and culture boxes are arranged in the mounting grooves. A horizontally telescopic positioning block is arranged at the bottom of the culture box, a positioning hole allowing the positioning block to be inserted and fixed is formed in the bottom of the inner wall of the mounting groove, handles are symmetrically fixed to the two ends of the upper end face of the culture box, and a lifting handle capable of moving up and down to drive the positioning block to stretch out and draw back horizontally is arranged in each handle. The space planting efficiency can be optimized, planting nursing in the later period is facilitated, and the overall using effect is good.

The invention relates to the field of fertilizer water returning, and discloses an organic fertilizer water real-time nitrogen adjustment and salt control multi-layer drip irrigation system and method, the layered drip irrigation system comprises a fertilizer preparation module, an irrigation distribution module, a data monitoring module, an irrigation water module and a control module; the layered drip irrigation method comprises the following steps: irrigating the earth surface in a seedling stage; fertilizer preparation; performing dilution; crop growth period bottom layer drip irrigation; diluting and adjusting; the nutrient measuring and calculating method comprises the following steps: determining the demand quantity of crop nutrients nitrogen, phosphorus and potassium; the crop nutrient nitrogen, phosphorus and potassium demands are met; generating a dynamic fertilizer preparation scheme; calculating the supplementary irrigation amount and the irrigation quota; the total irrigation amount is generated. According to the method, the total nitrogen content change of the organic fertilizer water and the content change of available nitrogen in the soil are fully considered during stage-by-stage fertilization calculation, the soil salinity is adopted as a reference index, the irrigation water consumption of the organic fertilizer water is measured, and the soil salinization problem of organic fertilizer water recycling in the prior art is solved.

Nozzle control systems and methods for applying an agricultural product using an agricultural vehicle and plurality of valves separated into subgroups are disclosed. An example method includes actuating the valves to dispense the agricultural product, wherein the actuating includes (a) actuating a first subgroup of valves and a second subgroup of valves in succession using a phase delay; and (b) actuating successive valves in the first subgroup and successive valves in the second subgroup using at least one subgroup time delay. The subgroup time delay can be determined based on one or more vehicle speed values and a total number of the plurality of valves.

The utility model relates to the technical field of grape trellis, in particular to a grape trellis convenient to erect grape vines, which comprises a fixing frame assembly and a plurality of fixing parts, the fixing parts are mounted on the fixing frame assembly, limiting grooves are formed in the fixing parts, and when the grape vines are placed in the limiting grooves, the fixing parts can erect the grape vines; and the fixing piece is made of a rubber material. In the process of erecting the grape vines, the grape vines can be erected only by placing the grape vines in the limiting grooves, and compared with an existing mode that the grape vines are bound, fixed and erected through fixing tools such as ropes, the mode is simple in structure and convenient to operate, the erecting steps of the grape vines can be simplified, and the erecting efficiency of the grape vines is improved; and meanwhile, as the fixing pieces are made of rubber materials, the epidermis of the grape vines cannot be damaged in the process of erecting the grape vines, and the subsequent growth of the grape vines cannot be influenced.

The utility model relates to the technical field of drip irrigation of Chinese cabbages, in particular to a drip irrigation fertilization device for Chinese cabbages. The drip irrigation fertilization device for the Chinese cabbages comprises two water pipes, a fixing assembly, a telescopic assembly, a connecting pipe and an adjusting assembly, the top ends of the water pipes are fixedly connected with connecting pipes, and the two ends of the water pipes are symmetrically and fixedly connected with connecting blocks; and a plurality of connecting pipes are fixedly connected to the bottom ends of the water pipes at equal intervals, mounting pipes are in threaded connection with the outer portions of the ends, away from the water pipes, of the connecting pipes, adjusting assemblies are installed outside the mounting pipes, and rotating pipes are rotationally connected to the interiors of the mounting pipes. According to the drip irrigation and fertilization device for the Chinese cabbages, the problems that the Chinese cabbages are distributed irregularly due to manual sowing, and the growth difference between Chinese cabbage individuals is too large can be solved, the device can be flexibly adjusted according to the distance of each row of Chinese cabbage seeds, and then the planting efficiency is improved.

The utility model relates to the technical field of corn planting, in particular to a corn planting topdressing device which comprises a frame, a mixing box and a topdressing assembly. The topdressing assembly comprises a moving pipe, a topdressing pipe, a sealing plate, a discharging plate, an elastic component and a blocking rod, a worker pushes the frame to move, after the blocking rod makes contact with corn seedlings, due to blocking of the corn seedlings, the blocking rod stops moving, at the moment, the worker pushes the frame to continue to move, the blocking rod rotates, then the topdressing pipe and the discharging plate are driven to rotate, and along with rotation of the discharging plate, the topdressing pipe and the discharging plate are automatically topdressed. When the fertilizer is applied to the corn seedling, the through hole in the discharging plate rotates to be opposite to the discharging groove, at the moment, the fertilizer can flow into the topdressing pipe from the mixing box through the moving pipe, the discharging groove and the through hole and is finally applied to the position close to the root of the corn seedling, and after the topdressing pipe is moved away from the corn seedling, the gear rod, the topdressing pipe and the discharging plate reset under the action of the elastic component. And then the movable pipe and the topdressing pipe are sealed again, and the fertilizer is prevented from flowing out continuously.

The application relates to an intelligent control method and system of high-pressure atomization irrigation and a storage medium thereof, and aims to solve the problem that traditional water and fertilizer management of high-value crops cannot realize real-time sensing of internal physiological states of crops, leading to inconsistent quality. The intelligent control method divides an irrigation area into multiple management partitions, randomly selects a plurality of sacrifice samples in each management partition, destructively samples the sacrifice samples, obtains true value data of crops through physiological and biochemical detection, establishes and dynamically updates an irrigation rule library based on the true value data, generates variable control instructions for each management partition in combination with real-time environmental data, and finally controls a high-pressure atomization sprinkler irrigation system to accurately execute. The application also provides a system and a storage medium for realizing the method, realizes accurate regulation and control starting from the real demand of crops, effectively improves the consistency of crop quality and the resource utilization efficiency, and has self-learning and predictive prevention and control capabilities.

The utility model discloses a multi-angle adjustable culture shelf, which belongs to the technical field of culture shelves and comprises two support plates, a plurality of connecting frames fixed on the lower side between the two support plates, a supply box arranged at the upper ends of the connecting frames, a motor mounted on the upper side of one end of the support plate on one side, a rotating shaft arranged at the output end of the motor, and round frames fixed on two sides of the surface of the rotating shaft. By arranging the supporting frames, a plurality of culture dishes are placed in the containing grooves of the supporting frames, the landing edges at the upper ends of the culture dishes support the culture dishes, the motor is started to drive the rotating shaft to rotate, the rotating shaft rotates to drive the round frame to rotate, and when the round frame rotates, the lower ends of the culture dishes in the supporting frames on the lower side are immersed in nutrient solution in the supply box; a nutrient solution is immersed into the culture dishes through the through holes for automatic liquid supplementing, plants in the culture dishes can be cultured at the same time by arranging the supporting frame and the like, the occupied area of the culture dishes is reduced, meanwhile, the nutrient solution can be automatically supplemented, and the practicability of the device is improved.

The utility model relates to the technical field of fertilizing equipment, and discloses a fertilizing device for water flush fertilizer, which comprises a box body, a fixed box is fixed on the upper side in the box body, a feed pipe is connected to the upper side of the fixed box, a stirring device is arranged in the fixed box, a filter screen is arranged below the stirring device, and the filter screen is connected with the feed pipe. A water drainage pipe is fixedly connected to the lower side of the fixed box, a material storage box is fixedly connected to the end, away from the fixed box, of the water drainage pipe, a material discharging device is arranged in the material storage box, and a material discharging pipe is connected to the side, close to the box body, of the material storage box. According to the fertilizing device for the water flush fertilizer, the fertilizer is fully stirred through the stirring device, and the problem that in the fertilizing process of an existing fertilizing device for the water flush fertilizer, the fertilizer which is not fully and uniformly mixed with a dissolving solution is often easily and directly discharged, so that crops cannot effectively absorb and utilize the non-uniformly-distributed nutrients is solved.

The utility model belongs to the technical field of fertilizing devices, and particularly relates to a movable rock candy orange planting fertilizing device which comprises a supporting plate, fertilizing equipment is arranged at the upper end of the supporting plate, a discharging pipe is fixedly connected into the fertilizing equipment, and a connecting pipe is slidably connected into the discharging pipe. A spray head is fixedly connected to the end, away from the discharging pipe, of the connecting pipe, a fixing block is fixedly connected to the outer side of the discharging pipe, a limiting sleeve is rotationally connected to the outer side of the fixing block, and a moving mechanism is arranged at the lower end of the supporting plate. Through the arrangement of the fixing block, the limiting sleeve and other parts, the limiting sleeve and the connecting pipe can make threaded motion by rotating the limiting sleeve, so that the position of the spray head is adjusted, and the spray head is made to conduct fertilization according to the planting distance; the problem that when a movable rock candy orange planting and fertilizing device is used, a spray head is inconvenient to adjust is solved.

The utility model belongs to the field of agricultural irrigation, and provides a spraying device which comprises two stand columns, a spraying device body and a spraying device body. The water supply pipeline is arranged on the lower surface of the transverse frame, and a plurality of connectors are arranged on the water supply pipeline; each interface is connected with the upper end of a connecting pipe, and the lower end of the connecting pipe is connected with a spray head; the spray head driving assembly comprises a fixed cylinder fixedly mounted at the interface; the rotary drum is rotatably connected to the outer part of the fixed drum in a sleeving manner; a circle of tooth groove is formed in the periphery of the rotary drum; the upper end of the connecting rod is fixedly connected with the bottom of the rotary drum; the lower end of the connecting rod is connected with the ferrule; the ferrule is fixedly connected with the nozzle; the power output end of the driving motor is fixedly connected with the gear; and the gear is meshed with the tooth groove. The spraying device provided by the utility model is simple and reliable in structure, convenient to use, low in cost, adjustable in spraying range of the spray head, large in spraying range, capable of utilizing solar energy, energy-saving, capable of reducing energy consumption, and very suitable for popularization and application.

The utility model discloses a seed cultivation device, and relates to the seed cultivation technical field, the seed cultivation device comprises a connecting base plate, the upper surface of the connecting base plate is provided with a plurality of connecting slots, a plurality of charging assemblies are inserted in the connecting slots, the charging assemblies are arranged in the connecting slots, and the charging assemblies are arranged in the connecting slots. The charging assembly comprises a charging barrel and a plurality of flow dividing pipes, the flow dividing pipes are located outside the charging barrel, the multiple flow dividing pipes surround the charging barrel at equal intervals, a material conveying pipe is arranged at one end of each flow dividing pipe, a guiding base is arranged at the front end of the connecting bottom plate, and a material receiving assembly is arranged at the front end of the guiding base; according to the scheme, the problems that when an existing seed cultivation device is used for adding a nutrient solution, time is needed for absorption during spraying, the time is long, the cultivation period is long, and the phenomenon of uneven absorption is likely to occur are solved.

To provide a rice transplanter capable of improving workability of adjustment work.SOLUTION: A rice transplanter 1 includes a traveling part 10, a planting part 22, a supply part 40, a feeding part 3, and a drive part 50. The traveling part 10 travels. The planting part 22 is connected to the traveling part 10 and forms a plurality of planting rows by planting seedlings when the traveling part 10 is traveling. The supply part 40 supplies a fertilizer to the plurality of planting rows. The feeding part 3 feeds the fertilizer to the supply part 40. The drive part 50 drives the feeding part 3. The drive part 50 includes a feed amount changing part 51, a switching part 52, and a case part 53. The feed amount changing part 51 changes the feed amount of the fertilizer by the feeding part 3. The switching part 52 switches fertilizer supply destinations. The case part 53 accommodates at least a part of the feed amount changing part 51 and at least a part of the switching part 52.SELECTED DRAWING: Figure 5