21 results about "Vegetable crops" patented technology

The utility model provides a vegetable crop harvester which comprises a frame, a driving mechanism arranged on the frame, a separation conveying mechanism, a root cutting mechanism and a gathering mechanism. The separation conveying mechanism is obliquely arranged on the frame, and a containing cavity is formed by the tail end of the separation conveying mechanism and the top of the rear end of the frame and used for receiving cut vegetable crops; the root cutting mechanism and the gathering mechanism are arranged at the starting end of the separation conveying mechanism, and the gathering mechanism comprises two stem holding devices which are distributed at intervals and used for gathering leaves of vegetable crops and guiding stems of the vegetable crops to a cutting area of the root cutting mechanism; an output shaft of the driving mechanism drives the root cutting mechanism and the separating and conveying mechanism, the root cutting mechanism is used for cutting stems of vegetable crops guided to the cutting area, the separating and conveying mechanism is used for separating the cut vegetable crops and conveying the vegetable crops to the containing cavity, and damage to vegetable leaves is reduced.

The invention relates to the technical field of agricultural machinery, and provides an open field vegetable swing type intelligent inter-plant weeding device and a control method thereof, and the device comprises a plurality of weeding monomers, a sensor mechanism and a control mechanism. The sensor mechanism comprises depth cameras, laser sensors and absolute value encoders, the depth cameras are installed on the front portions of the multiple weeding single bodies, the visual field covers multiple rows of crops, and the laser sensors and the absolute value encoders are arranged on the weeding single bodies; the control mechanism is connected with the depth camera, the laser sensor and the absolute value encoder and used for processing data of the sensor mechanism, calculating the fusion height through a fusion algorithm and controlling and driving the lifting mechanism, the transverse moving mechanism and the weeding knife opening and closing mechanism to act based on the error between the fusion height and the target depth so as to achieve accurate weeding and seedling avoiding. The device can quickly avoid crops while effectively removing weeds between rows and plants, and finally realizes mechanical weed removal of open field vegetable crops which are large in bare soil proportion and easy to generate weeds.

The invention relates to the technical field of planting equipment, in particular to an excavating mechanism for agricultural vegetable crop planting, which comprises an excavating unit used for excavating soil and comprising a wheel disc and a plurality of excavating bodies arranged on the outer wall of the circumference of the wheel disc, and the rotating direction of the excavating body on the lower side of the wheel disc on the wheel disc is the same as the advancing direction of the wheel disc. By means of the device, the defects existing in a traditional planting mode are effectively overcome, automatic and efficient planting operation is conveniently achieved, manpower is saved, efficiency is improved, meanwhile, by means of the mode that excavated soil is lifted and conveyed backwards, soil transportation work can be completed in space, the situation that the excavated soil is accumulated on the two sides of a ditch and occupies space is avoided, and the device is convenient to use. The operation area can be limited within a small range conveniently, so that the planting amount of crops can be increased, and the land utilization rate is increased.

A system for hydroponically growing plants, comprising an upper seed tray (100, 1401) configured to sit on a bottom tab (200, 1445). The upper tray includes a plurality of openings for holding soil and germinating seeds in the soil. The plurality of openings have contours that allow the roots of the growing plant to extend into the bottom tab. The tab is configured to hold an aqueous mixture of water and nutrient solution for the growing plant and comprises a lip around the top perimeter and at least one aeration device (240) for causing turbulence in the aqueous mixture that comes into contact with the roots of the growing plant. A method for growing plants using such a container is also disclosed.

The utility model discloses a rice vegetable crop rotation fertilization device, and belongs to the technical field of rice vegetable crop rotation fertilization. Comprising a fertilizer back barrel with a material opening and shoulder straps, a supporting ring frame is arranged at the bottom of the fertilizer back barrel, the supporting ring frame is in through connection with the bottom of the fertilizer back barrel through a material conveying pipe set, the supporting ring frame is coaxially and rotatably connected with a dispersing disc, and a driving mechanism is arranged at the bottom of the fertilizer back barrel. The driving mechanism comprises a motor fixed at the bottom of the fertilizer back barrel; fertilizer is conveyed to the supporting ring frame in multiple directions through the conveying pipe set and falls onto the strip-shaped dispersing disc, an output shaft of the motor drives the dispersing disc to rotate, the fertilizer is applied to the periphery through the centrifugal effect of the dispersing disc, and centrifugal dispersing fertilization, multi-direction conveying pipe layout and backpack type hard structure design are achieved. The technical effects of uniformly and annularly spreading the fertilizer, enlarging the fertilization coverage area and reducing the labor intensity of workers are achieved.

According to the cabbage rhizome posture recognition method based on the YOLOv5 model and the image processing, recognition of cabbage rhizomes is achieved through the YOLOv5 target detection algorithm, and the positioning precision and the recognition precision are improved; an HSV color space is used, the range of h, s and v values of the background is determined according to the features of background colors, and the sensitivity of the HSV background segmentation method to illumination changes is reduced through the recognized root ROI; according to physical characteristics of cabbages, a minimum enclosing rectangle and a starting point of a convex hull are obtained based on a Grainfortune algorithm and by utilizing four-point coordinate values of a yolov5 detection frame, and the speed of obtaining the minimum enclosing rectangle is increased. According to the scheme, the inclination value of the cabbage can be accurately recognized, and the posture of the cabbage is judged; the method can be applied to harvesting of cabbages and can also be popularized to harvesting of other vegetable crops. Meanwhile, the technology can also be applied to the field of computer vision, and reference is provided for automation and intelligentization of agricultural production.

The application provides a water and fertilizer intelligent management and control method and system based on facility vegetable demand driving, and relates to the technical field of intelligent agriculture. Based on meteorological data and crop target yield, the total nutrient demand amount of the vegetable crop in each growth period is dynamically predicted through a crop growth model, the water and fertilizer management and control are driven by crop demand, the water and fertilizer supply is matched with the actual growth demand of the crop, the nutrient recommendation coefficient is determined by introducing soil fertility grade analysis, the accurate check based on the actual soil fertilization capacity is realized, and the rationality of nutrient input is significantly improved. Further, the initial scheme is formulated by combining the organic and inorganic fertilizer matching principle and the organic fertilizer mineralization characteristics, and the scientificity and sustainability of nutrient supply are ensured. Finally, the execution scheme is generated through the multi-objective optimization of the decision support system, a complete decision closed loop from prediction, planning to optimization is formed, and the accuracy and reliability of the water and fertilizer management and control of the facility vegetable are improved.

This invention discloses a waterborne silicone-modified acrylic resin, its preparation method, and its application, specifically relating to the field of polymer coating materials for agricultural use. This invention introduces a new composite silicone-modified system of "nano-SiO2 + hydroxyl silicone oil + silane coupling agent." Pretreatment of nano-SiO2 with a silane coupling agent solves the aggregation problem, while hydroxyl silicone oil enhances the water resistance of the film. The addition of hydroxypropyl acrylate allows for precise control of crosslinking density through hydroxyl groups. The emulsifier is replaced with a mixture of sodium dodecyl sulfate and isooctylphenol polyoxyethylene ether at a ratio of 1:1.2-1:1.5, balancing emulsion dispersibility and seed compatibility. This resin exhibits uniform film formation, strong adhesion, and no adverse effects on seed germination, making it particularly suitable for coating seeds of grain crops (wheat, corn, soybean, rice), cash crops (cotton, rapeseed), and vegetable crops. It can impart a slow-release function to the coating agent, combining environmental friendliness with practical value.

This invention relates to a method for spring breeding of broodstock larvae of Procambarus clarkii in rice-vegetable rotation fields, belonging to the field of broodstock larvae breeding. The invention utilizes a rice-crayfish-vegetable crop rotation system, setting up artificial burrows, rainproof black antioxidant plastic film, field drainage ditches, fishing nets and basket traps, and broodstock removal and temporary holding facilities at different stages of broodstock reproduction. By rotating vegetables in winter and spring, the rice paddies are drained and moisturized, achieving the goal of spring breeding of broodstock larvae in rice-vegetable rotation fields. This invention fully utilizes the characteristics of rice, water spinach, and crayfish farming, delaying the emergence time of broodstock larvae, increasing broodstock yield and collection efficiency, and increasing broodstock larvae production. It enables seamless integration of broodstock larvae supply with crayfish farming in the cold regions of Northeast China, promoting the rapid development of the crayfish industry in northern my country and achieving increased production and efficiency. Furthermore, this method can increase the planting area of ​​water spinach in farmland, improve soil, and solve the problem of long-term waterlogging and siltation in the soil.

By monitoring the activity of pollinators that leave the nest to visit flowers in front of the nest entrance, we can help prevent the occurrence of poorly fertilized fruit in fruit and vegetable crops. [Solution] The system comprises a camera unit (12) that takes an overhead shot of pollinators (P) from above a background board (19), a video analysis unit (13) that analyzes the captured video of the pollinators to detect their outlines and measure the number of pollinators active in front of the hive entrance, and an output unit (14) that displays the analysis results. The analysis area (Z) processed by the video analysis unit is divided into three zones: a return zone (Z1), a stagnant zone (Z3), and an exit zone (Z3), sequentially from the hive entrance side to the field side. The system measures the number of pollinators exiting the nest when moving from the stagnant zone to the exit zone, and the number of pollinators returning when moving from the stagnant zone to the return zone, respectively, and sets the system to display at least the number of pollinators exiting the nest as the number of pollinator flower-visiting activities.

The invention discloses a soilless culture substrate for vegetable crops. The soilless culture substrate comprises a nutrient solution and water-based slow-release gel. According to the soilless culture substrate for the vegetable crops, an appropriate nutrient solution and an appropriate water-based slow-release gel formula are adopted, growth of the vegetable crops can be promoted, accumulation of biomass is facilitated, the yield is remarkably increased, the antibacterial effect is remarkable, and plant diseases and insect pests are effectively prevented; the water-based slow-release gel in the soilless culture substrate for the vegetable crops adopts a reasonable formula, so that the water-based slow-release gel can be slowly released at a proper speed, the water-based slow-release gel is continuously, relatively and uniformly released in the whole growth cycle of vegetables, and the water-based slow-release gel does not need to be replaced along with a nutrient solution in the use process.

The application discloses a preparation method and application of a magnetic bifunctional modified graphene oxide composite material. The material is prepared by sequentially performing the following steps on graphene oxide: p-phenylenediamine-mediated surface positive modification (amino functional group is introduced), ascorbic acid-induced mild reduction (hydrophobicity and pi-pi interaction are restored), and magnetic loading by a chemical co-precipitation method, so as to form a composite material with a multi-layer pore structure (the pore size is mainly mesoporous with a size of 2-50 nm) and rich surface functional groups (-NH2, -COOH and the like). Potted plant tests show that the material realizes complexation / adsorption (amino coordination, electrostatic attraction) of Cd and Pb heavy metal ions and interface adsorption (pi-pi stacking, electrostatic attraction and hydrophobic interaction) of PS-NPs through pore interception and functional group synergistic effect, significantly reduces the content of available pollutants in soil, and inhibits the migration of the available pollutants to the roots of food and vegetable crops and the transportation of the available pollutants to the aboveground parts.

The utility model discloses a kind of for mushroom vegetable crop rotation formula cultivation sprinkling irrigation device, belong to agricultural irrigation equipment technical field, to solve the problem of the structure of existing technology under sprinkling irrigation device is fixed, difficult to adapt to the height and range requirement of mushroom vegetable crop rotation formula cultivation.The sprinkling irrigation device for mushroom vegetable crop rotation formula cultivation includes support arm, cross arm and shunt strip, the support arm is vertically arranged, and support arm is provided with a pair side by side, a pair of the support arm has telescopic function;The cross arm is horizontally arranged at the top of a pair of support arm;The shunt strip is arranged in support arm bottom, and shunt strip lower surface is provided with sprinkling irrigation head, and the shunt strip can swing.The sprinkling irrigation device for mushroom vegetable crop rotation formula cultivation can drive shunt strip swing by drive mechanism, to change the sprinkling irrigation angle of sprinkling irrigation head, realize the uniform sprinkling irrigation to different area, satisfy the requirement of different crops to sprinkling irrigation angle when mushroom vegetable crop rotation.

The invention discloses a biological compound fertilizer and a preparation method thereof, and belongs to the technical field of compound fertilizers. The preparation method is used for solving the technical problem that in the prior art, when an organic fertilizer is coated with a coating material, the coating material cannot still have excellent mechanical properties and slow release performance under the extremely low core film mass ratio. The preparation method of the biological compound fertilizer comprises the following steps: uniformly mixing a coated fertilizer, an organic fertilizer and a colloidal substance to prepare the biological compound fertilizer, according to the coated fertilizer, a mixture of chelate resin and rosin water is used as a seed coating solution, and mixed microorganisms are used as a ball core material; the colloidal substance is a reactant of a formaldehyde solution and urea. The biological compound fertilizer prepared by the invention contains various nutrient elements such as microorganisms, organic matters and inorganic matters, and has better help to the growth of vegetable crops; in addition, the coated fertilizer prepared by the invention has the advantages of good mechanical performance and slow release performance.

This invention relates to the application of iron dihydroporphyrin in low-temperature resistance of oilseed and vegetable crops, and methods for achieving low-temperature resistance. The low-temperature protection agent for oilseed and vegetable crops includes iron dihydroporphyrin; the method for low-temperature resistance of oilseed and vegetable crops includes treating them with iron dihydroporphyrin. Its advantages lie in the fact that the iron dihydroporphyrin-containing plant low-temperature resistance regulator of this invention has a certain stress resistance effect on oilseed and vegetable crops, can reduce the chilling injury index of oilseed and vegetable crops, and provides a new approach and reference for improving the low-temperature resistance of oilseed and vegetable crops.

This invention discloses a high-voltage electrostatic adsorption type seed metering device and method for vegetable crops, applicable to the field of agricultural facility horticulture. It includes a seed metering device shell, which is a hollow cavity structure containing a seed metering disc. The seed metering disc has a plurality of shaped holes uniformly arranged circumferentially along its edge to accommodate the morphology of crop seeds. A power transmission device is installed on one side of the seed metering device shell. A seed box is installed above the seed metering device shell, and a seed metering tube is installed below. The device also includes an electrostatic adsorption-repulsion device, a seed stirring device, and a detection device. The electrostatic adsorption-repulsion device works with the seed metering disc to adsorb seeds from the seed box and discharge them through the seed metering tube. The seed stirring device agitates the seeds in the seed box, and the detection device monitors the seed metering status. This invention enables continuous and stable seed metering of vegetable crops, improving metering accuracy and seedling quality, while ensuring seed vigor and the controllability of the metering process.

The utility model provides an improved greenhouse framework for a climbing vegetable crop greenhouse, which comprises a plurality of upright posts and a plurality of transverse pull rods, the upper ends of the upright posts are fixedly connected with longitudinal beams, the lower ends of the upright posts are pre-buried and fixed in soil, and the transverse pull rods are distributed along the length direction of the longitudinal beams. A plurality of middle supporting columns are arranged between the two longitudinal beams, the upper ends of the middle supporting columns are fixedly connected with the middles of the arch-shaped rods at the corresponding positions, the lower ends of the middle supporting columns are pre-buried and fixed in soil, and the middle supporting columns are fixedly connected with the transverse pull rods when the transverse pull rods are arranged at the positions where the middle supporting columns are located. The ends of the reinforcing rods are detachably and fixedly connected with the transverse pull rods at the corresponding ends through quick connecting pieces. According to the utility model, the defect that the two ends of the greenhouse framework are deformed or damaged due to overlarge weight of hanging vines when climbing vegetable crops are planted is overcome, the strength of the end parts of the greenhouse framework put into use is improved, and the stability, safety and reliability of the greenhouse framework during use are ensured.

The invention discloses a culture medium prepared by biomass fermentation of gordon euryale seed shells and a preparation method of the culture medium, and relates to the technical field of plant culture. The novel culture medium comprises the following components: gordon euryale seed shells, vermiculite and perlite, wherein the mixing volume ratio of the gordon euryale seed shells to the vermiculite to the perlite is (4-5): (1-2): 1. The novel culture medium can be obtained by sufficiently and uniformly mixing gorgon fruit shells, vermiculite and perlite in proportion and adjusting the pH and the water content of the medium. According to the invention, agricultural solid waste gordon euryale seed shell is taken as a raw material, and is compounded with other raw materials, so that the prepared novel culture medium is applied to vegetable crop cultivation and production, and crop growth can be obviously promoted, the yield is increased, and the quality is improved.

A system for hydroponically cultivating a plant, the system comprising: a top seedling tray (100, 1401) configured to sit on a bottom pot (200, 144). The top tray includes a plurality of openings for containing soil and germinating seeds in the soil. The profile of the plurality of openings allows the roots of the growing plant to extend into the bottom pot. The pot is configured to contain an aqueous mixture of water and nutrient solution for the growing plant and includes a lip surrounding a top periphery and at least one air diffuser (240) for inducing turbulence of the water mixture in contact with roots of the growing plant. A method of cultivating plants using such a container is also disclosed.

The utility model discloses a heat preservation device for a fungus and vegetable rotation type planting greenhouse, belongs to the technical field of fungus and vegetable rotation type planting greenhouses, and aims to solve the problem that in the prior art, the environment and growth of crops are affected due to the fact that the internal temperature of a planting greenhouse in winter is affected. The problems that in the prior art, cotton quilts and the like are generally adopted as main warm keeping measures, however, currently, the cotton quilts need to be rolled up and unfolded manually in the paving process, the labor intensity is remarkably increased, and a large amount of labor cost is occupied are solved. Comprising two base frames, arc-shaped mounting frames are fixedly arranged on the two sides of the upper portions of the two base frames, a warm-keeping switching mechanism is jointly installed in the two base frames and on one sides of the two base frames, the warm-keeping switching mechanism comprises a switching assembly and two winding rollers which are middle components of the switching assembly, and warm-keeping quilts are arranged on the peripheries of the two winding rollers in a wound mode. And a switching groove is formed in the middle of one section of the warm-keeping quilt.

According to the vegetable crop greenhouse with the outside drainage function, a plurality of nozzles communicated with a water pipe are installed on longitudinal pull rods of an arch-shaped framework, gauze elements are arranged on the two long edge sides of the arch-shaped framework, and a plastic skirt film with the lower edge part fixed to the ground is arranged below the gauze elements; the lower edge part of the gauze element and the upper edge part of the plastic skirt film are connected in a film pressing groove rod film groove fixed on the arch-shaped framework according to a drainage mode outside the greenhouse, and the lower edge part of the gauze element and the upper edge part of the plastic skirt film are pressed and fixedly connected through a film pressing groove clamp spring matched in the film pressing groove rod film groove; the top of the arched framework is provided with a plastic top film, the lower edge of the plastic top film is located on the outer side of the plastic skirt film when the plastic top film is unfolded, and the gauze element is exposed when the plastic top film is rolled up. By optimizing the structure of the greenhouse outer mold, the problem that normal growth of vegetable crops adjacent to the long side of a traditional greenhouse is affected due to excessive water is solved, water spraying uniformity is achieved, and the quality of the vegetable crops is improved.