466 results about "Vegetable farming" patented technology

The invention relates to the technical field of greenhouse vegetable planting environment regulation and control, in particular to an internet-based intelligent greenhouse vegetable environment regulation and control system and method, which comprises an acquisition module, a monitoring module, an analysis module, a decision module, an execution control module and a mobile terminal interaction module, in combination with a preset successive cropping obstacle threshold model, analyzing to obtain the soil secondary salinization degree, the nutritional imbalance state, the microflora disorder index and the allelochemical toxicity grade; and the decision module is used for generating a comprehensive regulation and control strategy including crop rotation suggestions, irrigation amount, a fertilization scheme, biological control measures and environmental parameter regulation instructions in combination with facility vegetable types and growth stage requirements. A continuous cropping obstacle analysis result is obtained through the analysis module in combination with big data and a machine learning algorithm, a comprehensive regulation and control strategy is generated, continuous cropping obstacles are effectively dealt with, and the planting efficiency and the vegetable quality are improved.

The invention relates to the technical field of vegetable planting, and discloses seedling cultivation equipment for vegetable planting, which comprises a rotary array type cultivation mechanism and a locking type driven mechanism, the gear can rotate along with the first rotating frame, the gear rack is meshed with the gear and can generate a longitudinal moving effect along with rotation of the gear, the brake plate provides friction force for the gear rack so that the gear rack can be kept in a static state, and the spiral spring exerts elastic acting force on the brake plate. The seedling cultivation equipment for vegetable planting can rotate to be in a horizontal state when absorbing sunlight, so that a plurality of cultivation boxes in a linear array can absorb the sunlight to the greatest extent to ensure the growth requirements of vegetable seeds, and when the seedling cultivation equipment needs to be stored, the seedling cultivation equipment can be in longitudinal staggered arrangement, so that the space occupied by the equipment is reduced; and when the vegetable seeds with different heights are managed, a worker can autonomously adjust according to the required height, so that the applicability of the equipment is improved.

The utility model relates to the technical field of vegetable planting, and discloses a spraying device for vegetable planting, which comprises a bottom plate and further comprises a water tank fixed at the top of the bottom plate, a mounting groove is arranged at the top of the water tank, a mounting ring is movably connected onto the inner wall of the mounting groove, a cover body is integrally formed at the top of the mounting ring, and the cover body is arranged on the top of the water tank. The top of the cover body is fixedly connected with a water inlet pipe, and the top of the cover body is provided with a pesticide adding port. A liquid distributing pipe arranged on the liquid conveying assembly can better convey liquid medicine into the two spraying assemblies through liquid conveying hoses installed on flanges at the two ends of the liquid distributing pipe, the spraying range is wider, meanwhile, the height of the spraying assemblies can be adjusted according to different vegetable varieties through matched use of a second driving motor, a connecting rod, a gear and a toothed plate, and the spraying efficiency is improved. And the application range of the device is wider.

The present invention relates to the technical field of vegetable planting, and specifically relates to a soil loosening and weeding device for vegetable planting, including a vehicle frame, and further including a mounting seat, a lifting assembly, a deformation assembly, and a rake tooth weeding assembly. The bottom ends of the two mounting seats are respectively installed with soil loosening teeth and rake teeth, and each mounting seat includes a fixed seat and two movable seats. The two movable seats are hinged to both ends of the fixed seat. The lifting assembly is used to realize the synchronous lifting of the two mounting seats, and the deformation assembly is used to realize the synchronous upward or downward deflection of the two movable seats; for a vegetable planting land with alternately distributed groove parts and ridge parts, the soil loosening and weeding structure of the present invention can be deformed to a state adapted to the slope of the ridge part, so that operations can be smoothly carried out on different terrains, avoiding the situation of ineffective operation due to terrain mismatch, and greatly improving the adaptability of the device to complex terrains.

The utility model discloses a drainage device for a fish and vegetable culture pond, which is applied to drainage of the culture pond and comprises a drainage shield pipe, a filter part, a central pipe, a drainage pipe and a plug. The drain pipe for returning water to the vegetable planting bed is horizontally arranged below the culture pond, the bottom end of the vertically arranged central pipe is communicated with the drain pipe, and the top end of the central pipe extends into the culture pond; the drainage shield pipe is arranged in the culture pond and vertically and coaxially covers the outer side of the central pipe, and the bottom end of the drainage shield pipe is connected to the bottom wall of the culture pond through the filter part; a plurality of water permeable holes are uniformly distributed in the side wall of the middle part of the drainage shield pipe; and the plug is detachably plugged on the top opening of the drainage shield pipe. The drainage device for the fish and vegetable culture pond can drain water at the bottom and in the middle of the culture pond at the same time, the pollution discharge capacity is improved, and the water quality of the culture pond is improved.

The invention is applicable to the technical field of insect repelling in vegetable planting, and provides insect prevention equipment for organic baby cabbage planting, the insect prevention equipment comprises two dome frames and lower side baffles fixed between the two dome frames, the two lower side baffles are located at the bottoms of the dome frames, the bottoms of the lower side baffles are flush with the bottoms of the dome frames, and the lower side baffles are used for forming a shed frame; side covers are fixedly installed in the two dome frames and used for sealing the two sides, and two butt joint end plates are slidably installed between the two dome frames. According to the insect prevention equipment for organic baby cabbage planting, the dome frame, the lower side baffle, the butt joint end plate, the gauze element and the breathable insect prevention filter material form a totally-closed insect prevention shed capable of being opened and closed in a sliding mode, and the sliding strip is used for driving the moving scraping strip to scrape off worm egg impurities on the surface of the filter material in a reciprocating mode; according to the structure, under the condition that the net does not need to be frequently uncovered, insect prevention and egg removal can be synchronously completed, the net surface is kept clean, the manual operation frequency and insect pest residues are remarkably reduced, and efficient and low-labor-intensity continuous protection of organic baby cabbage planting is achieved.

The utility model relates to the related technical field of organic vegetable planting, in particular to an organic vegetable greenhouse with a ventilation structure, which comprises a vegetable greenhouse frame, triangular ventilation nets are arranged in triangular grooves at the upper ends of the front side and the rear side of the vegetable greenhouse frame; five sets of arc-shaped supporting tops are arranged in the middle of the upper end of the vegetable greenhouse frame at equal intervals, and photovoltaic panels are arranged at the left end and the right end of the middle of the inner side of each arc-shaped supporting top. The improved organic vegetable greenhouse comprising the ventilation structure is provided with a ventilation assembly and a fan body, the ventilation assembly can extrude an elastic sliding button through the inner wall of a vegetable greenhouse frame to drive a sliding slope rod to slide, and then a limiting block is clamped into a clamping groove of the vegetable greenhouse frame through an elastic connecting rod; therefore, the ventilation effect can be achieved through the fan body in the middle of the inner side of the ventilation assembly, and meanwhile pests can be prevented from entering the inner side space of the vegetable greenhouse frame through the insect-proof net clamped in the gap of the protection assembly.

The invention relates to the technical field of agricultural information, in particular to a vegetable planting mode intelligent recognition system and method based on stable isotopes. The system collects stable isotope data of delta 13C, delta 15N and the like of vegetables, constructs a multi-dimensional database containing production places and cultivation modes, integrates four machine learning models of PLS-DA, SVM, RF and ANN to realize automatic identification of the planting modes, and realizes user interaction through electronic map visualization sampling points, background support data uploading and model dynamic training and front-end applets. Innovation points comprise stable isotope and machine learning fusion, a multi-model layered recognition architecture, an incremental learning mechanism, geographic information visualization and the like. The system can efficiently and accurately identify the vegetable planting mode, and the agricultural supervision efficiency is improved.

The utility model relates to a kind of vegetable hydroponic device with LED intelligent lighting system, relate to a kind of indoor planting vegetable hydroponic device, to solve the problem that light source in existing vegetable hydroponic device is difficult to realize dynamic spectrum regulation and poor light supplement stability.The growth box, seedling box and nutrient solution tank of the new type are sequentially arranged from top to bottom;Seedling box is used to cultivate seedling;Growth box is used to hold transplanted seedling;Nutrient solution tank is used to store nutrient solution;Illumination sensor is used to obtain the illumination of seedling, preset illumination threshold in main control unit, illumination sensing signal is compared with illumination threshold, and illumination instruction is generated according to comparison result;The illumination instruction output end of main control unit is connected with the illumination instruction input end of three-dimensional light supplement LED light source;Three-dimensional light supplement LED light source emits light according to illumination instruction, and irradiates growth box.Affirmative effect is to improve the light energy utilization rate when high crown layer vegetable is planted and improve the stability of light supplement.

The utility model discloses a soilless culture vegetable planting device which comprises a box body, and pruning pliers are installed in the box body. The pruning pliers comprise a second tool bit, a first sliding groove, a second sliding groove, a grip, a spring, a pull rod and a first tool bit. The first sliding groove is formed in the bottom end of the second tool bit, and the second sliding groove is formed in the end, away from the second tool bit, of the first sliding groove. The grip is installed at the end, away from the first sliding groove, of the second sliding groove. The spring is mounted between the grip and the pull rod; the pull rod is installed in the first sliding groove and the second sliding groove. The first tool bit is installed at the end, away from the spring, of the pull rod. According to the pruning pliers, the process of pruning the root systems of the aeroponic vegetables is carried out in the box body, and a worker does not need to pull out the aeroponic vegetables to be pruned and then put the aeroponic vegetables back to the incubator, so that the pruning process is more convenient and faster.

The invention belongs to the technical field of facility agriculture, and discloses a vegetable mechanical cultivation plastic greenhouse which comprises a main frame and a covering film and further comprises sliding mechanisms arranged on the two sides of the main frame and the two sides of the covering film. Wherein the sliding mechanism comprises two mounting plates arranged on the two sides of the main frame and the covering film, and gear rings located at the two ends of the main frame and the covering film are fixedly mounted at the top ends of the two mounting plates; a first driving motor drives a first gear, a mounting disc and a storage roller to rotate, then the rotating first gear can move along the surface of a gear ring, the first gear can drive the mounting disc and the storage roller to move, in the moving process of the storage roller, the whole covering film can be wound and mounted, and finally the storage roller is driven by the first driving motor to rotate; and the covering film can move along the surface of the gear ring, so that the rolling and mounting work of the covering film is efficiently completed, the covering film recycling and mounting efficiency is remarkably improved, and great convenience is brought to vegetable planting.

The invention discloses automatic irrigation vegetable planting equipment which comprises an outer box body, a first net plate is arranged in the outer box body, a planting cavity is formed above the first net plate, the first net plate is located between a first cavity and a second cavity, an irrigation mechanism is arranged in the first cavity, a drip irrigation mechanism is detachably connected to the outer box body, and the irrigation mechanism communicates with the drip irrigation mechanism; the flood drainage and ventilation assembly comprises a second net plate, lifting mechanisms are arranged in the first cavity and the second cavity and are in transmission connection with the second net plate, a water absorption mechanism is arranged on the second net plate, a pumping and drainage mechanism is arranged in the outer box body and is in transmission connection with the second net plate, and a ventilation pipe is fixedly connected to the first net plate. A plurality of fourth through holes are formed in the vent pipe; the controller is fixedly connected to the outer side wall of the outer box body. According to the automatic irrigation device, automatic irrigation of planted vegetables can be achieved, different irrigation modes can be selected, irrigation work is more convenient, drainage is facilitated, root ventilation is improved, and growth of the vegetables is facilitated.

The utility model belongs to the technical field of vegetable planting, and particularly relates to an efficient film mulching device suitable for vegetable planting, which comprises a machine body, the machine body comprises two fixing plates, and a film mulching roller for bearing a mulching film, a first conical shell for bearing water and a second conical shell for bearing a chemical fertilizer are sequentially arranged between the two fixing plates from left to right; fixing shafts are arranged at the two ends of the film covering roller, the ends, away from the film covering roller, of the fixing shafts penetrate through the fixing plates and are provided with first semicircular blocks, fixing blocks are arranged at the tops of the two fixing plates, sliding grooves are formed in the fixing blocks, and elastic assemblies are arranged in the sliding grooves; second semicircular blocks matched with the first semicircular blocks are fixedly arranged on the elastic assemblies, and a U-shaped frame is arranged on the two second semicircular blocks. The device can integrate watering, fertilizing and film mulching, the operation efficiency is improved, the labor cost is reduced, and efficient vegetable planting is achieved.

The invention relates to the technical field of organic vegetable sowing, in particular to a self-walking type precise sowing mechanism for leaf vegetable organic vegetable planting, which comprises a self-walking vehicle, a driving system arranged at the top of the self-walking vehicle, a group of sowing devices and a fertilizer box. According to the self-walking type precise sowing mechanism for leaf vegetable organic vegetable planting, sowing and fertilization are synchronously completed during advancing of the self-walking vehicle, when a rotating ring carries a sowing groove with quantitative seeds to the lowermost end of a sleeve, pressurized liquid fertilizer in a fertilizer box flushes the seeds in the groove at a high speed through a water pipe, and the seeds are precisely injected into a planting ditch dug by a soil breaking plough; the two traditional procedures of sowing and fertilizing are combined into a single action, mechanical operation times and energy consumption are reduced, in addition, liquid fertilizer synchronously wraps seeds to directly reach root systems, surface volatilization and loss of the fertilizer are greatly reduced, and the nutrient utilization rate is increased.

The utility model is applicable to the technical field of vegetable planting, and provides an incubator for automatically adding nutritional agents to vegetables, which comprises a box body, and strip-shaped holes are formed in two sides of the box body; the net plate is welded to the inner wall of the box body, a planting box used for cultivating vegetables is placed on the net plate, and a plurality of water leakage holes are formed in the bottom of the planting box; the controller is fixedly mounted on one side of the box body; the rodless air cylinder is fixedly installed on the inner wall of the top of the box body, a flow dividing pipe is fixedly installed on a sliding block of the rodless air cylinder, and the flow dividing pipe is located in the two strip-shaped holes; and the plurality of spray heads are fixedly arranged on the shunt pipe. According to the incubator for automatically adding the nutritional agent to the vegetables, the problem that in the existing vegetable planting process, time and labor are wasted in the manual watering and nutrient solution adding mode is solved, and the situation that the nutritional agent is forgotten to be added or added repeatedly is avoided.

The utility model relates to the technical field of vegetable planting, in particular to a convenient-to-adjust drip irrigation device for vegetable planting, and solves the problems that an existing drip irrigation pipeline cannot be adjusted and needs to be integrally replaced and the overall replacement cost is high when crops or planting intervals are replaced in the prior art. A vegetable planting drip irrigation device convenient to adjust comprises a water supply pipe, the outer wall of the water supply pipe is communicated with a plurality of water distribution pipes, the bottoms of the water distribution pipes are communicated with a plurality of universal bamboo joint pipes distributed in a linear array, and the bottoms of the universal bamboo joint pipes are communicated with drip irrigation heads. The drip irrigation device can adapt to planting intervals of different vegetables without replacing drip irrigation pipelines, meanwhile, the pipelines are elevated through the supporting legs, abrasion of the pipelines and aging caused by long-term contact with wet soil are reduced, the cost for replacing the pipelines is reduced, and the service life of the pipelines is prolonged. And the drip irrigation head can better correspond to the roots of the vegetables through the adjustment of the universal bamboo joint pipe, so that the drip irrigation efficiency is improved.

The utility model provides a drip irrigation all-in-one machine for vegetable planting. The drip irrigation all-in-one machine for vegetable planting comprises a machine base; the filter box is used for filtering well water and is fixedly mounted at the top of the machine base; the first water pump is fixedly mounted at the top of the machine base; the flow dividing pipe is fixedly installed at the water outlet end of the first water pump, and the flow dividing pipe is fixedly communicated with a drip irrigation pipe used for drip irrigation of the planted vegetables; the first water inlet pipe is fixedly mounted at the water inlet end of the first water pump, and the water inlet end of the first water inlet pipe is fixedly communicated with the filter box. The drip irrigation all-in-one machine for vegetable planting solves the problem that drip irrigation pipes are prone to being blocked due to the fact that well water is used for drip irrigation in an existing drip irrigation all-in-one machine, and has the advantage of being beneficial to smooth drip irrigation.

The utility model relates to the technical field of vegetable greenhouses, and discloses a greenhouse for vegetable planting, which comprises a support frame, a fixing frame is fixedly mounted on the outer wall of the support frame, a controller is fixedly mounted on the outer wall of the fixing frame, a motor is fixedly mounted on the inner wall of the fixing frame, a moving component is fixedly mounted on the outer wall of the motor, and the controller is fixedly mounted on the outer wall of the moving component. At the moment, the first gear can drive a second gear to rotate, so that the second gear can drive a second five-fluted disc to rotate, the outer wall of the second five-fluted disc is meshed with a third gear, so that the third gear can be driven to rotate, the third gear drives a circular shaft to rotate a fourth gear, and at the moment, the fourth gear can be meshed with the outer wall of a sliding plate; and a fourth gear can drive a sliding plate to start to move front and back, so that the sliding plate can drive a fixing strip and a clamping assembly to slide on the outer wall of a sliding rail, a plastic film can be driven to cover a supporting frame, and manpower is saved.

The invention relates to the technical field of vegetable planting, and particularly discloses a liquid fertilizer supply device for vegetable planting and a supply method.The device comprises a liquid mixing box and a supply mechanism, the bottom of the liquid mixing box is connected with the supply mechanism through a liquid supply pipe, and a booster pump is arranged on the side, close to the supply mechanism, of a liquid supply valve on the liquid supply pipe; a first liquid level sensor is arranged in the liquid mixing box, a weight sensor is arranged at the bottom of the liquid mixing box, the top of the liquid mixing box is connected with at least two liquid storage boxes through liquid inlet pipes, liquid inlet valves and flow meters are arranged on the liquid inlet pipes, feeding ports are formed in the tops of the liquid storage boxes, and second liquid level sensors are arranged in the liquid storage boxes. The feeding mechanism comprises a transverse pipe, a distributing pipe, a water supply pipe and a feeding pipe. According to the invention, the pipeline structure of the feeding mechanism is improved, so that the final water supply or nutrient supply is more balanced, and the purpose of balanced growth of vegetable crops in the whole greenhouse is achieved.

The utility model discloses a vegetable planting frame which comprises a supporting frame, a rotating shaft is rotatably installed on the inner side of the supporting frame through a bearing, the end of the rotating shaft is fixedly connected with the middle of a rotating plate, and the end of the rotating shaft penetrates through the side wall of the supporting frame to be fixedly connected with the output end of a low-speed motor. The outer wall of the low-speed motor is fixed to the outer side of the supporting frame through a motor box, a fixing rod is fixed to the side between the rotating plates, a lantern ring is arranged on the outer side of the fixing rod, a limiting ring is fixed to the outer wall of the fixing rod, connecting plates are fixed to the bottom of the lantern ring, and a planting box is fixed to the bottom between the connecting plates. According to the planting frame for vegetable planting, a water collecting box is pushed upwards, the water collecting box drives a clamping block to move upwards in a clamping groove, and then the water collecting box is moved, so that the water collecting box drives the clamping block to move out of the interior of a placement groove, the water collecting box can be conveniently and rapidly disassembled, the disassembling difficulty is reduced, and use is convenient.

The present invention discloses a leafy vegetable disease detection method based on few-shot learning and prototype attention, comprising the following steps: S1, preprocessing and enhancing data; S2, performing multi-scale feature extraction on images; S3, global feature modeling; S4, target detection and semantic segmentation; S5, few-shot optimization and fine-tuning. The present invention adopts the above-mentioned leafy vegetable disease detection method based on few-shot learning and prototype attention. Aiming at the problem of scarcity of agricultural disease data samples, the few-shot learning network architecture is introduced. It can realize fast and accurate disease area identification and segmentation under limited data conditions, combines target detection and semantic segmentation tasks, performs disease location and fine-grained segmentation, improves detection accuracy and segmentation performance, integrates prototype extraction with attention mechanism, effectively improves the learning ability of the model under low-sample conditions, can be applied in real time to disease detection and control in vegetable planting areas, and supports farmers in efficient disease management.

The utility model relates to the technical field of vegetable seedling planting, and discloses a vegetable planting groove capable of automatically adjusting a planting angle, which comprises a planting frame, a plurality of strip-shaped planting plates are arranged on the front side and the rear side of the planting frame, and a drip irrigation assembly is arranged on one side of the planting frame; the planting frame comprises a bottom frame and a conical frame fixed to the upper end of the bottom frame, and a plurality of adjusting supports are fixedly connected to one side of the front end and one side of the rear end of the conical frame. According to the utility model, the strip-shaped planting plates are obliquely distributed on the planting frame in the vertical direction, so that vegetable seedlings in each strip-shaped planting plate can be in full contact with sunlight, and the growth of the vegetable seedlings is facilitated; meanwhile, one end of the strip-shaped planting plate can be inclined through the adjusting support, so that vegetable seedlings can be in better contact with sunlight, and growth of the vegetable seedlings is promoted; and drip irrigation can be performed on the vegetable seedlings in the strip-shaped planting plates through the drip irrigation assembly, so that normal growth of the vegetable seedlings is ensured.

The utility model relates to the field of ventilation and temperature regulation devices, in particular to a ventilation and temperature regulation device of a vegetable planting greenhouse, which comprises a vegetable greenhouse shell, a solar panel is arranged in the center of the top end of the vegetable greenhouse shell, mounting seats are arranged on two sides of the solar panel and at the top end of the vegetable greenhouse shell, and ventilation pipes are arranged at the top ends of the mounting seats. A heating rod is arranged at the bottom end of the ventilation pipe on the inner side of the mounting seat; according to the vegetable greenhouse, electricity storage is conducted on the device through the solar panel, electricity consumption is saved, energy is saved, emission is reduced, air in the vegetable greenhouse shell is exchanged through the air exchange pipe, and heat of the vegetable greenhouse shell is dissipated through the air exchange pipe; and if the protective sleeve moves on the outer side of the ventilation pipe, in the displacement process of the protective sleeve, the protective sleeve cleans the surface of the ventilation pipe through the cleaning brush on the inner side, and the situation that ventilation holes in the outer side of the ventilation pipe are blocked, and the ventilation and heat dissipation efficiency of the ventilation pipe is affected is prevented.

The invention provides fertilizing equipment for vegetable planting, and belongs to the technical field of vegetable fertilizing equipment. Comprising a fertilizer applicator which is communicated with a material storage box through a corrugated pipe, and further comprises a ditching and fertilizing mechanism which comprises a fertilizing box arranged at the discharging end of the fertilizer applicator, and the fertilizing box is inclined. Through the arrangement of the fertilizing box and the V-shaped furrow opener, when an operator pushes the fertilizing device to move, the V-shaped furrow opener is driven to dig a groove in the ground, granular fertilizer falls into the fertilizing box from the fertilizing device and then falls into the groove from the discharging end of the fertilizing box, and after the granular fertilizer falls into the groove, the fertilizer can be applied to the ground. During subsequent watering, water flow is difficult to carry the granular fertilizer in the groove to move, so that the phenomena of local accumulation and insufficient feeding of the granular fertilizer between two adjacent planting rows are effectively prevented, and the fertilization uniformity and the good growth of vegetables are effectively ensured.

The invention provides a sisal hemp residue vegetable seedling organic fertilizer and a preparation method and application thereof. The sisal hemp residue vegetable seedling organic fertilizer comprises a first fertilizer bag, the first fertilizer bag is prepared by fermenting the following raw materials in parts by weight through a microbial composition: 90-150 parts of fresh sisal residues, 5-20 parts of sugarcane leaves, 5-20 parts of an organic nitrogen source, 2-5 parts of molasses, 0.5-1 part of monopotassium phosphate, 0.05-0.2 part of magnesium sulfate and 0.3-0.8 part of calcium superphosphate; the sisal hemp residues and other raw materials are compounded for vegetable seedling raising, nutrients are rich, the vegetable planting benefits are improved, and the planting cost is reduced.

The utility model relates to the technical field of vegetable planting, and discloses a cultivation tray for vegetable planting, which is characterized in that a handle is pulled backwards to enable a moving block to slide along the outer side of a guide rod, then a limiting groove formed in a partition plate is aligned with a fixed rod, and then the handle is released; a spring can push a moving block to move towards a limiting groove through elastic force generated by the spring, so that a fixing rod enters the inner side of the limiting groove, the position of a partition plate is fixed, the position of the partition plate is conveniently adjusted to adapt to different vegetable planting requirements, and the planting cost is reduced; a first bevel gear drives a second bevel gear to rotate by rotating a rotating wheel, meanwhile, a rotating shaft drives one end of a first rotating rod to rotate with the first rotating rod as the circle center, and the other end of the first rotating rod drives a second rotating rod to move in the vertical direction along with the change of the rotating angle, so that a movable plate drives a cultivation tray at the top of the movable plate to slide upwards along a sliding groove; therefore, the distance between the cultivation trays can be adjusted.

This invention discloses an efficient cultivation method for crop rotation of mung beans and Chinese cabbage. The method includes: (1) treating spring mung beans with seed priming one week before sowing, sowing in late March, harvesting in early June, and returning the straw to the field after crushing; (2) sowing seedling Chinese cabbage in mid-June and harvesting in late July; (3) sowing summer mung beans in late July and harvesting in early October, and returning the straw to the field after crushing; (4) sowing Chinese cabbage in mid-September for seedling cultivation, transplanting in mid-October, and maturing in late December. This invention adopts a scientific and reasonable crop rotation model, which can achieve four crops and four harvests a year, significantly improving land utilization. By planting mung beans for nitrogen fixation and returning straw to the field, soil fertility is improved, and the amount of fertilizer used for vegetable cultivation is reduced. By combining the planting of miscellaneous grains with vegetable cultivation, food security and vegetable supply are ensured, achieving significant economic, social, and ecological benefits.

The invention discloses a water-saving irrigation system applied to facility vegetable planting, and relates to the technical field of vegetable planting, the water-saving irrigation system comprises a three-dimensional planting frame and a plurality of culture media uniformly arranged along the three-dimensional planting frame, and the three-dimensional planting frame can drive the plurality of culture media to circularly move in a vertical plane; the number of the water supply units is the same as that of the culture media; a guide part for guiding the water supply unit to move along the vertical direction relative to the culture medium is arranged between the water supply unit and the culture medium; the water tank is arranged below the three-dimensional planting frame; when the three-dimensional planting frame drives the culture medium to move to the bottommost part, the water supply unit can move downwards relative to the culture medium into the water tank to take water, and water is conveyed into the culture medium in the circulating movement process of the culture medium; according to the invention, water waste can be better avoided.

The utility model provides a pesticide and fertilizer spraying device for vegetable planting, which belongs to the field of vegetable planting and comprises a movable base, a liquid storage tank is arranged in the middle of the top of the movable base, and sliding grooves are formed in the middles of the two sides of the liquid storage tank. The inner walls of the two sliding grooves are connected with the sides of the bottom ends of two guide pipes through angle adjusting assemblies, distance adjusting assemblies are arranged on the surfaces of the top ends of the guide pipes, and the bottoms of the two guide pipes are connected with the two sides of a liquid storage box through liquid pumping assemblies. A second transition block drives two sets of guide rods to move in two sets of through holes in the top of a first transition block, the two sets of guide rods drive a movable ring to move on the surface of a guide pipe, and the second transition block is matched with a first connector and a second connector at the same time to stretch a first telescopic pipe till a limiting block is clamped with the surface of the first transition block; limiting pins are inserted into the limiting holes and the positioning holes to limit and fix the limiting holes and the positioning holes, so that the distance between the two second water outlet pipes and the two first water outlet pipes is adjusted.