157 results about "Leafy vegetables" patented technology

The invention discloses a leaf vegetable disease detection method based on few sample learning and prototype attention. The method comprises the following steps: S1, preprocessing and enhancing data; s2, performing multi-scale feature extraction on the image; s3, global feature modeling is carried out; s4, target detection and semantic segmentation; and S5, carrying out few-sample optimization and fine tuning. According to the leaf vegetable disease detection method based on few-sample learning and prototype attention, a few-sample learning network architecture is introduced for solving the problem of agricultural disease data sample scarcity, rapid and accurate disease area identification and segmentation can be realized under a limited data condition, target detection and semantic segmentation tasks are combined, and the detection efficiency is improved. Disease positioning and fine-grained segmentation are carried out, the detection precision and segmentation performance are improved, prototype extraction and an attention mechanism are fused, the learning ability of the model under the low-sample condition is effectively improved, the method can be applied to disease detection and control of the vegetable planting area in real time, and efficient disease management of farmers is supported.

The invention discloses a leafy vegetable image segmentation method, system and device and a medium, and relates to the technical field of target segmentation, and the method comprises the steps: collecting leafy vegetable image data, and extracting a multi-scale initial feature map; convolution is carried out on the multi-scale initial feature map to obtain a multi-scale feature map, new feature mapping is generated for the multi-scale feature map from bottom to top, and the new feature mapping is fused to obtain a final feature map; and generating an initial prediction mask based on the final feature map, carrying out blocking, DCT transformation, correction and boundary optimization operation on the initial prediction mask, outputting a multi-dimensional DCT vector containing mask information, and taking the final multi-dimensional DCT vector as a final prediction mask to obtain a segmentation result of the leaf vegetable image. On the basis of the method, the local features of the leaf vegetables are captured, multi-scale feature fusion is carried out, core information of leaf vegetable images is reserved, and the influence of environmental factors is reduced.

The invention belongs to the technical field of vegetable culture media, and relates to a leaf vegetable culture medium with pepper seed meal as a raw material and a preparation method thereof.The leaf vegetable culture medium is prepared by mixing and stirring pepper seed meal leavening, regenerated old media, activated coco coir powder, bamboo fiber charcoal powder, modified diatomite, modified zeolite powder and an adhesive according to the mass ratio of (8-12): (4-8): (2-4): (1-3): (3-7): (1-3): (1-3); placing for 2-3 days in an environment with the humidity of 70-80% and the temperature of 40-50 DEG C, then drying until the water content is less than or equal to 8%, and sterilizing to obtain the leafy vegetable culture medium. The Chinese prickly ash seed meal is used as a main raw material, and combined with compound bacteria fermentation, old substrate regeneration, functional material modification and waste high-value treatment, the defects of an existing substrate in the aspects of environmental friendliness, nutrient release, recovery rate, water and fertilizer retention capacity and the like are systematically overcome.

The invention relates to the technical field of vegetable cleaning and packaging, and discloses a leafy vegetable cleaning and packaging machine which comprises a machine body, and a root removing system, a yellow leaf removing system, a cleaning system, a water removing system and a packaging system which are sequentially mounted on the machine body from front to back. Root removing, yellow leaf removing, cleaning, water removing and packaging are integrated, full-process automatic operation is achieved, efficiency is greatly improved, manual intervention is reduced, precise operation is ensured, time cost is remarkably saved, processing work is efficient and smooth, the leaf vegetable processing device can adapt to most types of leaf vegetables, and the limiting baffle, the v-shaped groove and the like can be adjusted according to the types and the sizes of the leaf vegetables.

The utility model relates to the technical field of vegetable cleaning, and discloses a leaf vegetable cleaning device which comprises a box body, a cleaning cylinder detachably connected to the box body, a driving part arranged on the box body and a transmission assembly arranged on the box body, a plurality of communicating holes are formed in the peripheral side of the cleaning cylinder, and a containing opening allowing stem vegetables to pass through is formed in one end of the cleaning cylinder; at least part of the cleaning cylinder is located in the box body, the cleaning cylinder is provided with a center shaft, the transmission assembly comprises a driving part arranged on an output shaft of the driving part and a driven part in transmission connection with the center shaft, and the driven part is in transmission connection with the driving part. All leaf vegetables in the cleaning cylinder can be in contact with cleaning water in the box body, so that the leaf vegetables can be cleaned; moreover, the leafy vegetables have inertia, so that a rotating speed difference exists between the leafy vegetables and the cleaning cylinder, and the leafy vegetables can roll over under the action of the rotating speed difference, so that the cleaning effect on the leafy vegetables is improved.

The utility model relates to the technical field of cultivation frames, in particular to an intelligent cultivation frame which comprises an outer frame and is characterized in that a water supply system is fixedly installed at the bottom of the outer frame, a plurality of cultivation mechanisms are sequentially and movably installed on the inner side of the outer frame from bottom to top, and a folding pipeline is installed between the water supply system and the cultivation mechanisms. A controller I is mounted on the outer frame; the cultivation mechanism comprises a layer plate, the layer plate is connected to the outer frame through a transmission device, and scanning water spraying mechanisms are arranged on the two long side faces of the layer plate through sliding devices. Each layer of cultivation mechanism can move independently, the light source problem is solved, and meanwhile the growth requirements of various plants can be met, for example, leaf vegetables need small interlayer spacing, ball vegetables need medium interlayer spacing, and forage grass and solanaceous vegetables need large interlayer spacing.

The application discloses a kind of special sulfur-based compound fertilizer of leaf vegetable, preparation method and device, belong to compound fertilizer preparation technical field.The preparation of the compound fertilizer includes the following steps: sulfur, anhydrous ethanol are mixed and stirred, constant temperature oscillation, stand until clear state, take supernatant and mix with distilled water, oscillation, add sodium dodecyl sulfate, oscillation, add coating agent, oscillation, obtain material B, stand by;Ammonia is introduced into phosphoric acid to adjust to pH 4.3-4.8, filter pressing, collect filtrate to obtain feed liquid D;Material B is filtered, and the filter residue is collected and mixed with feed liquid D, guar gum and locust bean gum are added, oscillation is carried out, a mixed slurry is obtained, granulation is carried out, drying is carried out, screening is carried out, and cooling is carried out, to obtain the compound fertilizer, improve the sulfur and phosphorus ammonium slurry combination degree, avoid the loss of fertilizer efficiency, prevent the occurrence of safety hazards.

The invention provides an efficient and energy-saving food processing raw material pretreatment combined device, and relates to the technical field of food processing. The device comprises a dewatering outer barrel, a base plate, a centrifugal tray mechanism, a water confluence assembly, a master controller and a hot blast stove. The centrifugal tray mechanism is composed of a centrifugal disc, a centrifugal rotating shaft, a jacking and pulling assembly and a liftable circular stop rod piece, and a centrifugal dewatering cavity is formed by the centrifugal tray mechanism and the internal air injection conical cylinder assembly. The water confluence assembly collects and weighs water removed through centrifugation and transmits data to the master controller. The master controller intelligently adjusts the rotating speed of the dewatering motor according to real-time moisture data, the hot blast stove is started when the dewatering rate reaches a set value, hot air is jetted to materials through the centrifugal rotating shaft and the jet cone, and combined drying is carried out. The device realizes automatic connection of centrifugal dewatering and hot air drying, has the advantages of high dewatering efficiency, good energy-saving effect and capability of protecting material quality, and is particularly suitable for pretreatment of food raw materials such as leaf vegetables and berries.

The invention provides a nutrient solution formula. The nutrient solution formula comprises organic nitrogen, organic phosphorus, organic potassium, active calcium, quick-acting sulfur, magnesium, zinc, selenium, ferrous sulfate, organic silicon, expanded fertilizer, mineral source humic acid, chitin, live bacterial fertilizer, boric acid, manganese sulfate, zinc sulfate heptahydrate, ammonium molybdate, copper sulfate heptahydrate, disodium iron ethylenediaminetetraacetate, citric acid and water. According to the nutrient solution formula and the preparation system thereof provided by the invention, microelements are added into the formula, so that the nutrient requirements of vegetables during growth are met, the growth of the vegetables is promoted, and meanwhile, citric acid is added, so that the nutrient solution is stable in property, and the effectiveness of the nutrient solution can be kept in a relatively long period; the physiological acid-base reaction caused in the nutrient solution absorption process of the leaf vegetables can be kept stable, the activity of the root system is improved through high water-soluble phosphorus in the formula, the photosynthesis is improved through the magnesium element, long-acting biological sulfur is provided, and continuous energy supply is provided.

This utility model discloses a cutting knife assembly for removing roots from leafy vegetables, relating to the field of food processing technology. The utility model includes a fixed plate with a fixed column fixedly connected to its outer wall. A cutting knife mechanism and a collecting mechanism are provided on the fixed plate. The cutting knife mechanism includes a second fixed plate fixedly connected to the outer wall of the fixed plate, with a circular hole inside the second fixed plate. By incorporating the cutting knife, the utility model first inserts one side of the leafy vegetable leaf through the circular hole, blocking the root. Then, the operator holds one side of the leafy vegetable leaf with one hand, positioning the root below the cutting knife, while the other hand squeezes the pressing plate. This mechanism achieves hand-foot separation, using the pressing plate as a safety interlock to ensure the operator's hands are in a safe position during the cutting action, while simultaneously cutting the root of the leafy vegetable, facilitating subsequent processing.

The present application relates to a kind of hydraulic control system and control method for leaf vegetable harvester, including front wheel steering hydraulic system, rear wheel drive hydraulic system and header lifting hydraulic system, front wheel steering hydraulic system realizes the front wheel steering of leaf vegetable harvester, rear wheel drive hydraulic system realizes the advance and retreat of leaf vegetable harvester, and header lifting hydraulic system realizes the leaf vegetable harvesting start of leaf vegetable harvester;The present application gathers together to drive rear wheel advance or retreat and front wheel steering with header lifting, guarantee stable transmission process and reduce the labor intensity of operator.

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 invention provides a multifunctional paenibacillus terrae capable of degrading organophosphorus pesticides, resisting diseases and promoting growth, the strain is paenibacillus terrae and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30973. The invention further provides a preparation method of the paenibacillus terrae. The strain can degrade organophosphorus pesticides: profenofos, malathion, diazinon, phoxim and fenthion, wherein the degradation effect on the diazinon is the best; the growth and development of meloidogyne incognita can be inhibited, and tomato rhizobium caused by the meloidogyne incognita Fusarium oxysporum can be antagonized, and tomato fusarium wilt caused by the fusarium oxysporum can be prevented and treated; the fertilizer can increase the supply of rapidly available phosphorus in soil and promote the growth of leaf vegetables.

The invention discloses a prefabricated photocatalyst film for retaining freshness of leaf vegetables as well as a preparation method and application of the prefabricated photocatalyst film. The photocatalyst film comprises the following components in parts by weight: 100 parts of chitosan; 0.5 to 2 parts of metal-nitrogen doped titanium dioxide; 0.5 to 1 part of riboflavin; 30 to 40 parts of glycerol; wherein the metal-nitrogen doped titanium dioxide is iron-nitrogen doped titanium dioxide and / or copper-nitrogen doped titanium dioxide. The photocatalyst film is used for sealing the prefabricated leaf vegetables, composite LED illumination in the cold chain distribution process is combined, the antibacterial and fresh-keeping effects are achieved, microbial infection of the prefabricated vegetables in the cold chain distribution process can be reduced, water loss and chlorophyll degradation can be reduced, and the shelf life of the prefabricated vegetables can be prolonged.

The utility model discloses a rooted leafy vegetable harvester which comprises a rack, and small traveling wheels are symmetrically arranged on the front portion of the rack. Large traveling wheels are symmetrically arranged at the rear part of the rack; lifting mechanisms are arranged on the two sides of the rack, the moving ends of the lifting mechanisms are connected with a moving frame, a plurality of obliquely-arranged harvesting and conveying mechanisms are detachably connected to the moving frame, and break shovels are detachably connected to the front ends of the harvesting and conveying mechanisms; a leafy vegetable storage mechanism is arranged on the rear portion of the upper end of the rack and connected with the harvesting and conveying mechanism. A root removing mechanism is arranged at the front end of the rack; a first driving mechanism is arranged on the rack, and the first driving mechanism is connected with the large advancing wheel and the leaf vegetable storage mechanism; and a second driving mechanism is arranged on the moving frame and is connected with the harvesting and transporting mechanism. When the leafy vegetables are collected, the roots of the leafy vegetables can be removed, and processing steps are reduced.

The present invention discloses an intelligent leafy vegetable harvester, which uses a motor to drive a triangular crawler as a traveling mechanism, and drives the cutting, soil shaking, and conveying mechanisms to operate through the motor. It adopts two sets of conveying mechanisms. The primary conveyor conveys the cut leafy vegetables, and the secondary conveyor mechanism uses a time switch to achieve the collection of leafy vegetables in one direction to a fixed position. This machine adopts two sets of electric control systems. One set is controlled by buttons on the machine itself, and the other set realizes remote control through a remote controller. The remote controller sends signals to the control mechanism of the whole machine to enable the whole machine to automatically move forward, turn, and complete operations in the field.

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a harvesting device for potted leaf vegetables in a greenhouse, which comprises two groups of oppositely arranged driving components, the driving components are arranged on channels on two sides of a seedbed, each group of driving components comprises a front wheel and a rear wheel, a first fixing rod is arranged between the front wheel and the rear wheel, and a second fixing rod is arranged between the front wheel and the rear wheel. Second fixing rods are arranged on the front wheels, vibrators are oppositely arranged on the second fixing rods on the two sides, and a thin rope is arranged between the two vibrators and used for harvesting leaf vegetables. A net bag is arranged between the second fixing rod and the rear wheel and used for collecting harvested leaf vegetables. According to the harvesting device, it is ensured that damage to leaf vegetables in the harvesting process is minimized, meanwhile, the harvesting continuity and efficiency are improved, the harvesting device is convenient to operate, the planting environment of a modern greenhouse is fully considered, and optimization is carried out particularly according to the characteristics of a tidal seedbed.

The present invention relates to a constant-force clamping and conveying mechanism for leafy vegetables based on a non-circular gear system and a transmission ratio algorithm. The clamping and conveying mechanism includes a frame and a plurality of constant-force clamping modules mounted on the frame. The constant-force clamping module includes a non-circular gear system, which includes a front non-circular gear rotatably connected to a mounting shell, and a rear non-circular gear. The front non-circular gear is transmission-connected to the rear non-circular gear via a plurality of intermediate non-circular gears. A floating connecting rod is fixed to the first rotating shaft, and a floating clamping wheel is mounted on the floating connecting rod. The wheel surface of the floating clamping wheel is pressed against the inner side surface of the clamping conveyor belt. The constant-force clamping module is the core component of the entire clamping and conveying mechanism. By designing the non-circular gear system, the constant-force clamping of the leafy vegetables is achieved. The driving module is used to drive the clamping belt to rotate. The present invention can avoid clamping damage during the mechanical harvesting process of leafy vegetables, realize flexible clamping and conveying of leafy vegetables under different feed amounts, and complete low-damage and orderly harvesting of leafy vegetables.

The invention discloses a spectrum-regulated vegetable fresh-keeping control method and system and a refrigerator, and belongs to the technical field of refrigerators.The spectrum-regulated vegetable fresh-keeping control method comprises the steps that image information and spectrum information of leaf vegetables in a storage area are obtained; color features are extracted based on the image information, spectral feature indexes are extracted based on the spectral information, and leaf vegetable freshness indexes are calculated in combination with the color features and the spectral feature indexes; the leafy vegetable freshness index is compared with a preset threshold value, a corresponding spectrum fresh-keeping mode is selected based on a comparison result, and the spectrum fresh-keeping mode comprises a basic fresh-keeping mode adopting red light irradiation, an antioxidant enhancement mode adopting red and blue light alternate irradiation and a recovery conditioning mode adopting red and blue composite light irradiation; and controlling the multiband LED light source to irradiate the leaf vegetables in the storage area according to the light quality parameters corresponding to the selected spectrum fresh-keeping mode. Physiological metabolism of the leafy vegetables is intelligently regulated and controlled through spectrums, yellowing and wilting of the leafy vegetables are delayed, and the preservation effect is improved.

The invention discloses a method for dynamically balancing soil nutrients of an improved facility vegetable base based on vegetable-morchella rotation, and belongs to the technical field of agricultural ecological cycle. Aiming at the problems of soil nutrient enrichment and continuous cropping obstacles of a facility vegetable base, the invention provides a crop rotation mode of morchella esculenta in autumn and winter and leaf vegetables in spring and summer, and balanced utilization of nitrogen, phosphorus and potassium in soil is realized through time sequence regulation and nutrient demand complementation. The method specifically comprises the following steps: designing a crop rotation period of morchella, green vegetables and spinach based on a soil nutrient detection result; excessive nitrogen and phosphorus are absorbed by the morchella, and residual potassium is consumed by the leaf vegetables; and an absorption-supplement-balance circulating system is constructed by combining a fungus residue returning technology and an organic fertilizer substitution technology. Tests show that after continuous two-season crop rotation, the content of soil available potassium (AK) is reduced to 120-135 mg / kg from 175.18-178.78 mg / kg, the organic matter (SOM) is increased to the level II, TN and TP are stabilized at the level III, and the comprehensive eutrophication relieving rate exceeds 40%. According to the method, the limitation of single crop rotation is broken through, and dynamic balance and annual efficient utilization of greenhouse soil nutrients are achieved.

The application discloses a kind of facilities leafy vegetable laser precision light supplementing cultivation method, device and application.The method is planted in greenhouse, plant factory, light-shield shed or weak light period and other facilities cultivation environment, and the conductivity of nutrient solution and planting density are suitable;The laser light supplementing light source formed by red light laser and blue light laser is configured above leafy vegetable canopy, and the power ratio is 1:1, wherein the red light wavelength is 640-680 nm, the blue light wavelength is 440-480 nm, and both are linearly polarized light;The laser light supplementing light source is installed at a position 70-120 cm away from the canopy, so that the laser light supplementing PPFD at the canopy is 1-3 μmol·m ‑2 ·s ‑1 , and the daily cumulative light supplement is 6-12 hours during the whole growth period and / or weak light period.The application improves the light energy utilization efficiency under low energy consumption conditions, avoids light inhibition, promotes leafy vegetable yield and improves quality indicators.

This invention discloses an integrated primary processing machine for leafy vegetables, comprising: a vertical frame and, vertically arranged from top to bottom, a de-yellowing and de-sanding module, a feeding and clamping module, a packaging module, and a root-removing and weighing module. The de-yellowing and de-sanding module includes an airflow de-sanding unit that removes sand using airflow, and a yellow leaf removal unit at the bottom of the airflow de-sanding unit that identifies and removes yellow leaves. The feeding and clamping module includes a vertical feeding port located at the center of the frame and at least one clamping unit for clamping the leafy vegetables. The leafy vegetables falling from the clamping unit enter the root-removing and weighing module, where the root-removing and weighing module cuts off the roots of the leafy vegetables using a root-removing component. Then, the packaging module automatically bundles the leafy vegetables. This invention automates the primary processing of leafy vegetables, solving problems such as low efficiency, high cost, large footprint, and unstable quality in traditional leafy vegetable processing.

This invention discloses a method for constructing a system to remediate nitrogen and phosphorus pollution in drawdown zones through intercropping, relating to the field of drawdown zone ecological restoration technology. The method includes the following steps: S1, dividing the drawdown zone from top to bottom into a dryland seedbed area, a first aquatic seedbed area, and a second aquatic seedbed area. Fast-growing leafy vegetables capable of absorbing and utilizing nitrogen and phosphorus nutrients are planted on the surface of all three areas using seedling trays; S2, crisscrossing ecological grass ditches are constructed in both the dryland and aquatic seedbed areas; S3, aquatic plants that reduce water wave disturbance to the drawdown zone soil surface are planted within the ecological grass ditches. This invention utilizes seedling trays for planting fast-growing leafy vegetables on the drawdown zone surface, minimizing human disturbance and significantly reducing soil erosion. It also enables the absorption and utilization of nitrogen and phosphorus nutrients, thereby reducing pollution in the drawdown zone and lowering the risk of eutrophication.

The invention belongs to the technical field of vegetable blanching, and particularly relates to quick-frozen vegetable blanching equipment which comprises a main body box, a feeding belt is arranged on the inner wall of the main body box, a cover body is arranged at the top of the main body box, a discharging belt is installed on the side, away from the feeding belt, of the inner wall of the main body box, and a slope is formed in the bottom of the inner wall of the main body box; the guide mechanism is mounted on the side, close to the feeding belt, of the inner wall of the main body box, through the arrangement of the guide mechanism, when leaf vegetables are pressed on the water surface by the sieve plate and rotate to leave the water surface to face the filtering mechanism, the supporting plates drive the two ends of the sieve plate to tilt up, and then the rotating rods drive the elastic blocks to knock the surface of the sieve plate; according to the leaf vegetable blanching machine, vegetable broken leaves adhered to the surface of the sieve plate are shaken off by external force and are concentrated at the top of the filtering mechanism for collection, chippings are separated from leaf vegetables, the leaf vegetables can be completely immersed in water, the leaf vegetables are blanched more uniformly, the chippings are separated from the leaf vegetables, and the product quality is improved.

The transmission device of the leafy vegetable harvester comprises a rack and a first transmission box body, a plurality of first transmission assemblies are arranged in the first transmission box body, a driving assembly is arranged on the first transmission box body, and the first transmission assemblies are connected with walking equipment; a second transmission box body is further arranged on one side of the first transmission box body, a plurality of second transmission assemblies are arranged in the second transmission box body, first linkage assemblies are arranged between the second transmission assemblies and the first transmission assemblies, and the second transmission assemblies are connected with cutting equipment; the second transmission box body is further provided with a second linkage assembly, and the second linkage assembly is connected with the clamping and conveying equipment. According to the leaf vegetable harvester, only one group of driving structures and multiple groups of transmission structures are used for mutual transmission cooperation, so that the effects of front-back walking operation, cutting operation and orderly clamping and conveying operation of the leaf vegetable harvester can be achieved at the same time, power sources are reduced, and the cost is reduced; and control is simplified, the intelligent degree is high, and the working efficiency is improved.

This invention provides a fully automatic leafy vegetable cleaning and trimming device, including a frame and a baffle conveyor belt mounted on the frame. A blade and an elastic pressure plate assembly located in front of the blade are mounted on the frame next to the feed end of the baffle conveyor belt. A spray mechanism for cleaning the leafy vegetables is located behind the baffle conveyor belt. A discharge guide chute is mounted on the frame at the discharge end of the baffle conveyor belt. An elastic discharge guide ramp is provided between the discharge end of the baffle conveyor belt and its conveyor rollers and the discharge guide chute. The elastic discharge guide ramp is close to the outside of the baffle conveyor belt and higher than the axis of the conveyor rollers to facilitate the rotation of the baffles on the baffle conveyor belt and push the leafy vegetables into the discharge guide chute. The device also includes a packaging and sealing conveyor. This invention is rationally designed, integrating vegetable cutting, washing, drying, and packaging into one machine, reducing manual labor and the time spent manually connecting different processes, improving the production efficiency of clean leafy vegetables, and facilitating professional clean vegetable production.

The invention relates to the technical field of vegetable processing, and discloses a turnover continuous feeding vegetable pre-cooling device which comprises a vegetable pre-cooling box body. Leaf vegetables are conveyed to the continuous feeding mechanism through the lifting mechanism, the vegetable pre-cooling box body is started to generate cold air to conduct pre-cooling treatment on the leaf vegetables on the continuous feeding mechanism, and the leaf vegetables are continuously conveyed in the vegetable pre-cooling box body through the continuous feeding mechanism; when the leaf vegetables are conveyed by the continuous feeding mechanism, the leaf vegetables are received and turned over through a receiving plate in the vegetable turning-over mechanism, so that the leaf vegetables are turned over in the conveying process, the contact area between the vegetables and cold air is increased, and the vegetable conveying efficiency is improved. Meanwhile, a plurality of groups of second mounting frames and a plurality of groups of cleaning brushes in the vegetable overturning mechanism are matched with a rotating continuous feeding mechanism to clean residual dirt attached to a plurality of groups of continuous feeding mechanisms, so that continuous feeding and pre-cooling treatment of the leaf vegetables are realized.

The present application relates to a kind of hydroponic leaf vegetables root throwing collection device and method, including frame and to brush root hair throw off mechanism, frame as the main support of collection device, frame is sequentially provided with first conveying mechanism, shovel overturning mechanism and second conveying mechanism from front to back, first conveying mechanism is used to place and convey hydroponic leaf vegetables to shovel overturning mechanism, shovel overturning mechanism is used to shovel up and overturn to second conveying mechanism for hydroponic leaf vegetables, second conveying mechanism is used to convey hydroponic leaf vegetables to collection area, to brush root hair throw off mechanism is arranged on frame and is located below first conveying mechanism, for the root hair of hydroponic leaf vegetables is thrown off, separated.The present application can solve the problem that leaf vegetables moisture loss caused by whole disc root cutting, cannot be preserved.

The utility model relates to the technical field of harvesters, and discloses an azolla filliculoidas ecological planting automatic harvester which comprises a frame, the outer walls of the left side and the right side of the frame are each rotationally connected with two crawler belts, three supporting wheels are arranged in each crawler belt, an adjusting assembly is arranged in each crawler belt, the top of the frame is fixedly connected with a supporting frame, and the top of the supporting frame is fixedly connected with an adjusting assembly. An engine is fixedly connected to the rear side of the bottom of the supporting frame, a conveying belt is installed on the top of the supporting frame, a harvesting cutter is fixedly connected to the front portion of the supporting frame, a cleaning assembly is arranged on the front side of the bottom of the supporting frame, the adjusting assembly comprises an installation plate, and the installation plate is fixedly connected to the inner bottom of the crawler belt. According to the device, through cooperative work of the hydraulic cylinders, the movable plates and the connecting rods, the tensioning degree and the height of the crawler belt can be flexibly adjusted according to different field terrains and the growth conditions of azolla filliculoidas. The contact area of the crawler belt and the ground can be changed when the crawler belt meets the uneven ground.

To provide a hydroponic cultivation device for leafy vegetables that makes it possible to cultivate leafy vegetables while controlling the content of metabolites so as to increase or decrease the content.SOLUTION: A cultivation device 1 is a device for cultivating leafy vegetables by hydroponic cultivation using a culture solution. A water tank 10 is a cultivation container that holds the culture solution and grows leafy vegetables. An irradiation unit 20 irradiates the rhizosphere of the leafy vegetables in the cultivation container with light of a specific wavelength in the ultraviolet to infrared wavelength range. An opaque member 30 prevents the light from the irradiation unit 20, which is directed at the rhizosphere of the leafy vegetables, from reaching the stem and leaf portion. The specific wavelength in the irradiation unit 20 is set to increase or decrease the content of minerals and / or vitamins as nutrients, compared with leafy vegetables whose stem and leaf portion is not irradiated with the light of the specific wavelength.SELECTED DRAWING: Figure 1