65 results about "Citrus tree" patented technology

A citrus-based water and fertilizer integrated irrigation method and system. The citrus-based water and fertilizer integrated irrigation system comprises a transportation portion, a storage barrel and a water and fertilizer integrated irrigation system, a support is fixed to the front end of the transportation portion, a spray head is fixed to one side of the support, a first water pump is connected between the spray head and a storage barrel pipe, a central barrel is arranged inside the storage barrel, a storage box is arranged on a power vehicle, a liquid cavity and a fertilizer cavity are arranged inside the storage box, a fertilizer pipe and a liquid pipe are respectively connected to the two sides of the storage barrel, a second water pump is arranged on a pipe between the fertilizer pipe and the fertilizer cavity, and a third water pump is arranged on a pipe between the liquid pipe and the liquid cavity. The second water pump and the third water pump are arranged to pump a liquid and a fertilizer into the central barrel respectively, then the spray head is controlled to swing upwards and downwards, the spray head can irrigate citrus branches and citrus roots simultaneously to guarantee nutrients and moisture of grown citrus, different water and fertilizer ratios can be adjusted in different growth environments and growth conditions of the citrus, and the growth quality of the citrus is guaranteed.

The invention discloses a method for ecologically controlling pests in a citrus orchard, which comprises the following steps of: preparing mint, salvia officinalis and ageratum conyzoides in a ratio of 1: 1: 1 in the middle of the citrus orchard to form a strip-shaped or chessboard-shaped layout with the coverage area of 30-50%, and synergistically repelling the pests and attracting natural enemies by utilizing plant volatile matters; the method specifically comprises the steps that an intercropping belt is arranged at the position 1 m away from citrus trees, the belt width is 2 m, and the plant row spacing is 30 cm * 40 cm; citrus field planting is conducted, transplanting is conducted in spring of the next year, organic fertilizer and regular pruning and covering (three times every year, soil covering is conducted after smashing, and wood vinegar is added) are combined; mint releases menthol, salvia officinalis releases eucalyptol to expel parasites, ageratum conyzoides attracts predatory mites to control red spiders, and mineral oil and a yellow sticky card are supplemented for prevention and control; aiming at facility cultivation, LED supplementary lighting (red light: blue light: white light = 3: 1: 1) and fan diffusion volatile matters are additionally arranged. The use of chemical pesticides is reduced by 40% or above, the pest population density is reduced by 50%-70%, meanwhile, the diversity of soil organic matter and microorganisms is improved, and the method is suitable for open-air and greenhouse citrus orchards.

The invention provides a suspending agent containing cyflumetofen and spirodiclofen and application of the suspending agent. The suspending agent is prepared from the following components in percentage by weight: 10 to 30 percent of cyflumetofen, 10 to 30 percent of spirodiclofen, 1 to 10 percent of wetting dispersant, 0.05 to 0.2 percent of pH regulator, 1 to 7 percent of antifreezing agent, 0.05 to 0.2 percent of xanthan gum, 0.2 to 0.8 percent of magnesium aluminum silicate, 0.05 to 0.2 percent of mildew preventive, 0.05 to 0.2 percent of defoaming agent and the balance of deionized water, wherein the total weight percent of the components is 100 percent. The wetting dispersant is prepared from TERSPERSE 2700 and Atlox4913, and the mass ratio of the TERSPERSE 2700 to the Atlox4913 is (1 to 5) to (1 to 5). According to the suspending agent formula disclosed by the embodiment of the invention, the storage results at different temperatures are relatively good, the particle size increase is relatively small, and the suspension rate is 90% or above. And after heat storage and freeze thawing tests at different temperatures, solidification does not occur after normal-temperature storage, and the storage stability is obviously improved. Field test results show that the 38% cyflumetofen-spirodiclofen SC provided by the invention has a good effect on prevention and treatment of citrus tree red mites, and the stable lasting period is 20-30 days.

The invention relates to the technical field of agricultural mechanization and automation, in particular to a citrus mechanized picking optimization method and system, and the method comprises the following steps: obtaining an initial color image and an initial depth image of a fruit tree before citrus picking; constructing an image recognition model to recognize the initial color image, determining a pickable citrus, a target citrus branch and a target branch node in combination with the initial depth image, and preliminarily determining a citrus picking sequence; color images and depth images of citrus fruit trees are collected in real time so as to track and position pickable citrus and target citrus branches, and meanwhile citrus picking is prepared; when citrus picking is prepared, the pose of the manipulator is predicted according to the tracking and positioning result, and the citrus picking sequence is adjusted if necessary. According to the method, the accuracy of orange identification in a complex environment can be improved, the orange picking sequence can be reasonably adjusted according to a real scene, and the safety and accuracy of orange picking are improved.

The utility model relates to a citrus tree planting field weeding machine which comprises a mounting frame, an engine, a frame and a blade, the two ends of the frame are connected with first wheels, the mounting frame is arranged at the upper end of the frame, and the engine is arranged on the mounting frame; a handrail is arranged above the engine and is connected with the upper end part of the frame; a connecting pipe is arranged above the frame, one end part of the connecting pipe is connected with the mounting frame, and the other end part of the connecting pipe is connected with a connector; a first transmission shaft is arranged in the connecting pipe, one end of the first transmission shaft is connected with the output end of the engine, and the other end of the first transmission shaft extends into the connector and is sleeved with a first gear; a second transmission shaft is arranged in the connector, the upper end of the second transmission shaft is sleeved with a second gear, and the second gear is meshed with the first gear. The blade is arranged at the lower end of the connector; a protection plate is arranged at the upper end of the blade and connected with the connector. According to the utility model, the moving efficiency can be effectively improved; the mowing efficiency can be improved; and the service life can be prolonged.

The present application relates to the technical field of resource utilization of fruit tree branches, and provides a method for returning citrus branches to the orchard, which comprises the following steps: (1) crushing and fermenting the pruned citrus branches, and mixing the branches with organic fertilizer to obtain material A; (2) digging a ditch along a direction parallel to the tangent of the tree crown drip line; and (3) applying the material A obtained in the step (2) into the ditch, and then covering the ditch with soil. The method for returning citrus branches to the orchard can significantly improve the diversity of arbuscular mycorrhizal fungi and the stability of the community structure in the soil, and promote more arbuscular mycorrhizal fungi to act on the rhizosphere soil and root hairs of citrus, so as to effectively improve the physicochemical properties of the soil and promote the growth and development of citrus. The method for returning citrus branches to the orchard is a resource utilization of waste, and can better promote the green, low-carbon, efficient and sustainable development of the citrus industry.

The utility model belongs to the technical field of agricultural machinery, and particularly relates to an anti-brown-spot layered pruning support suitable for canopies of tangelo trees. Comprising first connecting rods, second connecting rods, first connectors, second connectors and telescopic stand columns, the multiple first connecting rods and the multiple first connectors are connected to form a first closed loop, the multiple second connecting rods and the multiple second connectors are connected to form a second closed loop, and the adjacent first connectors are connected with the second connectors. Layered pruning management is achieved, the light transmittance is improved, humidity accumulation is reduced, the support can be rapidly assembled, the device adapts to different tree ages and tree forms, the manual climbing risk is reduced, operation is easy and convenient, and practicability is high.

The invention belongs to the technical field of agricultural planting, and discloses an intelligent citrus planting and picking management system and method.In the citrus growing season, a data acquisition module acquires data in real time and transmits the data to a data analysis processing module, and after analysis, an intelligent decision module generates a fertilization instruction and an irrigation instruction; the execution control module controls the fertilization equipment and the irrigation equipment to perform periodic fertilization and irrigation, and the fertilization and irrigation period is determined according to the soil type, the local meteorological data and the citrus tree growth stage; when the data analysis processing module finds that citrus leaves have disease and pest symptoms through image recognition, the intelligent decision-making module recommends the corresponding prevention and control pesticide amount, the execution control module controls the disease and pest prevention and control equipment to perform pesticide application operation, and the camera continuously shoots fruit images near the picking season. And the data analysis processing module judges the fruit maturity through image analysis, and when the maturity is qualified, the picking robot is controlled to pick.

The invention discloses a bacillus alpinus for preventing and treating citrus red mites and application of the bacillus alpinus. The bacillus alpine strain h217 disclosed by the invention is preserved in the China Center for Type Culture Collection, and the preservation number is CCTCC NO: M 2025270. Through indoor toxicity tests and field control effect tests on citrus red mites, the bacillus alpinus h217 has high toxic activity on the citrus red mites, the field control effect on spider mites on citrus trees can reach 88% or above, the mite killing effect equivalent to the effect of cyflumetofen, cyenopyrafen, propargite and other chemical miticides can be obtained, and the bacillus alpinus h217 can be applied to the field control of the spider mites on citrus trees. The method has a wide application prospect in agricultural production.

The invention relates to the technical field of suspending agents, in particular to a suspending agent containing oxine-copper and benziothiazolinone as well as a preparation method and application of the suspending agent. The invention relates to a suspending agent containing oxine-copper and benziothiazolinone, which is prepared from the following raw materials in percentage by mass: 28 to 32 percent of oxine-copper, 4 to 8 percent of benziothiazolinone, 1 to 6 percent of dispersing agent, 1 to 6 percent of wetting dispersant, 1 to 1.5 percent of suspending thixotropic agent, 4 to 8 percent of antifreezing agent, 0.05 to 0.5 percent of preservative, 0.05 to 0.5 percent of thickening agent, 0.1 to 0.5 percent of defoaming agent and the balance of water. The dispersing agent comprises polycarboxylic acid ammonium salt; the invention provides the suspending agent containing oxine-copper and benziothiazolinone, which has the advantages of favorable dispersity, favorable stability and favorable control effect. The suspending agent containing oxine-copper and benziothiazolinone provided by the invention has a good control effect on citrus tree canker and cucumber bacterial angular leaf spot.

The invention discloses a smart agricultural variable fertilization control system and method based on image recognition, and relates to the technical field of smart agriculture, and the method comprises the steps: collecting an orchard multi-source image and laser radar data through an unmanned aerial vehicle, and dividing an orchard into different microclimate management units according to topographic features; extracting the vein mesophyll color difference ratio of the citrus leaves from the visible light image, correcting the traditional spectral index, and eliminating the interference of light environment difference on nutrition diagnosis; based on the corrected spectral index, establishing a nitrogen demand model in combination with terrain and tree body parameters, and generating a single-plant personalized variable fertilization prescription map; and importing the prescription map into the intelligent fertilizer applicator, and controlling fertilizer discharge to execute variable-rate fertilizer application operation by locating and inquiring the fertilizer application amount in real time. According to the method, the dynamic compensation model based on the vein and mesophyll color difference ratio is constructed, the leaf morphological characteristics and the spectral information are cooperatively processed, the traditional vegetation index is dynamically corrected, and the spectral response deviation caused by the light environment difference under the complex terrain can be reduced.

The invention discloses a water and fertilizer integrated irrigation device for citrus planting, and relates to the technical field of irrigation devices.The water and fertilizer integrated irrigation device comprises a water and fertilizer box and a plurality of mounting rings, a plurality of inserting rods are fixedly mounted on the side wall of each mounting ring, and a plurality of connecting pipes and a plurality of drip irrigation pipes are mounted at the bottom of each mounting ring; the multiple connecting pipes and the multiple drip irrigation pipes are arranged in a staggered mode, each connecting pipe is in sealed sliding connection with the adjacent drip irrigation pipe, and a plurality of drip irrigation holes are formed in the bottom of each drip irrigation pipe; a plurality of sliding assemblies matched with the corresponding drip irrigation pipes are mounted on each mounting ring. The citrus tree drip irrigation device has the advantages that a circular drip irrigation range can be formed outside a citrus tree in a winding mode, the distances between multiple drip irrigation positions and citrus tree trunks are consistent, the drip irrigation range and the drip irrigation amount can be automatically matched and adjusted according to the growth condition of the citrus tree, the irrigation requirements of citrus trees of different sizes are met, and the normal growth requirement of the citrus tree is ensured.

The invention belongs to the field of preventing tillers of old citrus tree stump heads, and particularly relates to a method for preventing tillers of old citrus tree stump heads, which comprises the following steps: step 1, sawing the stump heads by using a saw or chopping the stump heads by using an axe, so that the surfaces are as flat as possible, the whole stump heads are kept 10cm away from the ground, and fresh sections are exposed; step 2, brushing glyphosate (not diluted) at the saw bite of the tree stump by using a brush; thirdly, a 15S black plastic film is adopted for pile head covering (0.7 m * 0.7 m); 4, covering soil with a film, and treading tightly. The method solves the problems that the prevention and treatment effect is reduced due to different reasons in production, for example, lime powder and herbicide can only effectively kill tissues at wounds of stumps, and the stumps can germinate new tillers after one year; and the fire burning effect is unstable, and the health of fruit farmers is easily harmed due to improper operation.

The invention discloses an intelligent spraying system based on an unmanned aerial vehicle. The intelligent spraying system comprises a cloud platform, a vegetation detection unmanned aerial vehicle and a pesticide spraying unmanned aerial vehicle, the vegetation detection unmanned aerial vehicle is provided with a laser radar sensor, a data acquisition module and a data transmission module, the cloud platform comprises a data processing module and a path planning module, and the pesticide spraying unmanned aerial vehicle is used for loading a pesticide, flying along a flight path and spraying the pesticide at a pesticide spraying point. The method has the advantages that the vegetation detection unmanned aerial vehicle is used for scanning the forest trees in the forest area, data are uploaded to the cloud platform, the position coordinates of each forest tree are judged through the cloud platform, pesticide spraying points are arranged on each forest tree, pesticide is sprayed at the pesticide spraying points, the number of pesticides directly sprayed to the ground is greatly reduced, and the pesticide spraying efficiency is improved. Therefore, the utilization efficiency of the pesticide can be effectively guaranteed, pesticide waste is effectively reduced, and the pesticide spraying device is particularly suitable for pesticide spraying of trees with large plant spacing such as citrus trees and grapefruit trees.

The utility model discloses an anti-frostbite protection device for citrus trees in winter, and belongs to the field of agricultural freezing prevention. A protection device for preventing citrus trees from being frostbitten in winter comprises a base, a supporting rod is vertically and fixedly installed in the center of the top of the base, a storage box is fixedly arranged at the position, located beside the supporting rod, of the top of the base, a curtain assembly is installed in the storage box, and a traction assembly connected with the curtain assembly is installed on the supporting rod. The traction assembly can drive the curtain assembly to be unfolded or folded relative to the base, a plurality of universal wheels distributed in a rectangular shape are fixedly installed at the bottom of the base, and a moving groove used for installing the traction assembly is formed in the outer wall of the supporting rod. According to the utility model, the citrus trees can be protected in the curtain assembly under the condition that the citrus trees are not damaged, and the curtain assembly can be quickly and conveniently unfolded and folded.

The invention discloses a comprehensive nutrition regulation and control method for improving overwintering cold resistance of citrus fruit trees, and relates to the field of fruit tree cultivation, and the method comprises the following steps: S1, soil conditioning and mycorrhiza inoculation after fruit picking: determining the content of rapidly available phosphorus in orchard soil, when the content of rapidly available phosphorus is greater than 30mg / kg, firstly applying humic acid and calcium magnesium phosphate fertilizer for phosphorus reduction treatment, and after the content of rapidly available phosphorus is reduced to be less than or equal to 20mg / kg, then applying a nutrient solution; digging radial short ditches on the inner side of a water drip of a tree crown, mixing a pre-activated arbuscular mycorrhizal fungus inoculant with an organic carrier, filling the mixture into the ditches, and earthing and watering; according to the comprehensive nutrition regulation and control method for improving the overwintering cold resistance of the citrus fruit trees, through soil phosphorus pre-regulation and local enrichment inoculation methods, the mycorrhizal fungus colonization rate is increased to 50% or above from less than 20%, and the mycorrhizal inoculation effect and the input-output ratio are remarkably improved.

The invention discloses a microbial fertilizer for preventing and treating citrus liberobacter asiaticum as well as a preparation method and application thereof, belongs to the technical field of prevention and treatment of agricultural diseases and pests, and particularly relates to the microbial fertilizer for preventing and treating the citrus liberobacter asiaticum. Comprising 5-10 parts of bacillus subtilis, 5-10 parts of bacillus amyloliquefaciens, 3-8 parts of bacillus megatherium, 3-8 parts of bacillus licheniformis, 3-8 parts of photosynthetic bacteria, 3-8 parts of nitrogen-fixing bacteria, 3-8 parts of phosphate solubilizing bacteria, 3-8 parts of potassium bacteria, 30-50 parts of decomposed organic fertilizer, 10-20 parts of humic acid, 5-10 parts of sodium alginate, 5-10 parts of compound amino acid and 1-5 parts of compound trace elements. The microbial fertilizer disclosed by the invention can effectively inhibit the growth of pathogenic bacteria of the citrus huanglongbing, improve the disease resistance of citrus trees, improve the soil environment and promote the growth and development of the citrus trees, and the preparation method is mature and perfect in process and suitable for large-scale production and application.

The efficient pesticide spraying device comprises a base, two first supports are fixedly connected to the upper surface of the base, a second support is jointly and fixedly connected to the outer surfaces of the two first supports, nozzles are fixedly connected to the outer surfaces of the two first supports, and the nozzles are fixedly connected to the outer surfaces of the two first supports. The device comprises a base, a protective box is fixedly connected to the upper surface of the base, a pesticide box is fixedly connected to the upper surface of the protective box, and a sealing shaft is fixedly embedded in the upper surface of the protective box, a rotating motor rotates to drive a rotating shaft to rotate, and the rotating shaft rotates to drive a stirring rod to move, so that water and pesticide in the pesticide box can be fully and uniformly stirred; a second gear can be driven to rotate through rotation of a forward and reverse motor, a first gear can be driven to rotate through rotation of the second gear, a shaft lever can be driven to rotate through rotation of the first gear, a moving wheel can be driven to rotate through rotation of the shaft lever, and the device can flexibly shuttle in a fruit-bearing forest to spray pesticides to fruit trees and is easy to operate.

The invention provides application of a bactericidal composition to prevention and treatment of citrus resinosis, and particularly relates to the bactericidal composition with effective active ingredients of fluopyram and oxine-copper, the bactericidal composition is characterized in that the weight ratio of fluopyram to oxine-copper is (1: 1)-(1: 9), and the dosage form of the bactericidal composition is a suspending agent. According to the composition disclosed by the invention, fluopyram and oxine-copper are mixed according to a certain proportion to prepare a suspending agent, the suspending agent has a very good effect on preventing and treating citrus resinosis, and particularly, when the suspending agent is applied in the morbidity period, diseases can be effectively treated, the immunity of citrus can be enhanced, and the outbreak of citrus red mites can be reduced.

The utility model belongs to the technical field of citrus tree prevention and control, and particularly relates to a citrus tree huanglongbing prevention and control device which comprises a first fixing ring, a hinge rod is hinged to the first fixing ring, a second fixing ring is hinged to the hinge rod, supporting grooves are formed in the first fixing ring and the second fixing ring respectively, and the first fixing ring and the second fixing ring are connected through a connecting rod. Storage grooves are symmetrically formed in the supporting groove, and elastic pieces are symmetrically and fixedly connected into the supporting groove. The first fixing ring is arranged on one side of a citrus tree in a sleeving mode, the rubber pads are attached to the surface of the citrus tree, the second fixing ring is rotated, the circle dimension between the two sets of rubber pads can be adjusted by adjusting the position of the adjusting rod, and therefore the prevention and control device can be suitable for citrus trees of different thicknesses, and when the prevention and control device and the citrus tree are finally fixed, the prevention and control effect is good. The two groups of rubber pads on the innermost side are tightly attached to the citrus tree, so that damage to the surface of the citrus tree is reduced, and internal nutrient loss caused by bark damage of the citrus tree is avoided.

The invention belongs to the technical field of plant growth agents for citrus tree growth, and particularly relates to a plant growth agent for citrus tree growth and a preparation method thereof.The plant growth agent is prepared from, by weight, 2.1-10.1 parts of benayl aminopurine, 2-5 parts of boric acid, 8-18 parts of anhydrous citric acid, 4-40 parts of solvent, 26.9-62.9 parts of deionized water and 1-6 parts of synergistic additive. The fruit preservative is high in solubility, convenient to absorb by fruit trees, and capable of improving the fruit quality and increasing the fruit yield.

The invention provides a hyperspectrum-based citrus leaf lesion diagnosis system and a hyperspectrum-based citrus leaf lesion diagnosis method, and the hyperspectrum-based citrus leaf lesion diagnosis system and the hyperspectrum-based citrus leaf lesion diagnosis method disclosed by the invention have the advantages that on the basis of analyzing hyperspectral imaging data of citrus leaves without diseases, lack of nutrients, black spots and yellow shoot; three parameters of yellow wave band reflectivity, infrared wave band slope and inflection point wavelength are used as characteristic quantities, and classification of four types of blades is realized by applying a support vector machine (RBF-SVM) classification model based on a Gaussian radial basis kernel function. The method solves the problems that when citrus tree disease information is detected through a field detection method at present, long-time observation with eyes is needed, subjective judgment of observers is depended, and misjudgment is likely to be caused; according to the present invention, the problem that the citrus tree disease information detection by using the chemical detection method needs the special person to detect by using the professional equipment so as not to accurately and rapidly detect each production stage of the citrus tree can be solved, and the citrus leaf disease can be rapidly and accurately diagnosed.

The invention discloses a pruning device and method for citrus fruit setting, and belongs to the technical field of citrus tree pruning devices.The pruning device comprises a first blade assembly, a second blade assembly and a blade pre-tightening piece, and the first blade assembly and the second blade assembly are pivotally hinged through the blade pre-tightening piece; the blade pre-tightening piece comprises an elastic opposite-pulling unit, a locking nut and a base insertion rod, one end of the base insertion rod is connected with a limiting head, and the other end of the base insertion rod is connected with a built-in airtight base. Before autumn shoots are placed on the citrus tree, when the first blade assembly and the second blade assembly which are ground are hinged together in a pivoted mode again through the blade pre-tightening piece, clamping force applied to the first blade assembly and the second blade assembly can be sensed, and the situation that when the autumn shoots are placed on the citrus tree and pruned, the clamping force applied to the first blade assembly and the second blade assembly is not influenced is avoided. The situation that the first blade assembly and the second blade assembly are too tight or the gap is too large occurs, the flatness of a cut of a trimmed branch in the citrus autumn shoot pruning process is guaranteed, and then the fruit setting rate of citrus is guaranteed.

The invention relates to a citrus tree fertilization and girdling integrated device and a use method, and relates to the technical field of citrus tree planting and maintenance. Comprising a moving frame, a plurality of universal wheels are arranged at the bottom of the moving frame, a storage tank is arranged on the moving frame, a conveying pipe communicated with the interior of the storage tank is installed below the storage tank, the upper end of the conveying pipe is of a telescopic structure, adjacent conveying pipes are connected in a threaded fit mode, and the lower end of the conveying pipe is of a conical structure. An auger blade is arranged outside the end, away from the storage tank, of the conveying pipe. An annular cutting unit is further arranged on one side of the movable frame. The citrus tree girdling device can solve the following problems existing in the citrus tree planting and maintaining process in the prior art: fine adjustment of the girdling width is achieved by controlling the distance between the two girdling blades, and the growth requirements of different citrus trees are met; then, the fertilization depth is controlled by controlling the descending depth of auger blades; and girdling work can be synchronously carried out during fertilization, so that manpower and time cost are saved, and damage to fruit tree root systems is reduced.

This utility model provides a protective device for citrus trees against frost damage, comprising a first elastic sleeve, a cold-proof cloth layer, and a second elastic sleeve. The first elastic sleeve is positioned above the second elastic sleeve. A first elastic band and a second elastic band are respectively wrapped inside the first and second elastic sleeves. A cold-proof cloth layer is sewn between the first and second elastic sleeves. An insulation cotton layer is attached to the inner side of the cold-proof cloth layer, and a non-woven fabric layer is sewn to the inner side of the insulation cotton layer. A first sewn fabric is sewn to the left side of the cold-proof cloth layer, and a second sewn fabric is sewn to the right side. Multiple Velcro loops are sewn onto the outer surface of the first sewn fabric. This design solves the problems of fixed dimensions, poor versatility, easy insulation failure or damage to the citrus tree surface, and complex installation of existing low-temperature protection devices for late-maturing citrus trees. This utility model, with its multi-layered structure, can protect the main trunk of the citrus tree from frost damage. Its flexible design facilitates installation on citrus trees of different thicknesses and curvatures, and its operation is simple.

This invention relates to the application of a thiazolium copper and glucan composition for the control of citrus Huanglongbing (HLB), belonging to the field of biotechnology. The application of the glucan composition of this invention in the control of citrus HLB shows significant effects on the control of HLB and the recovery of citrus tree vigor. The glucan and thiazolium copper suspension have a synergistic effect, which can improve the control efficacy of citrus HLB, reduce the dosage, reduce the number of applications, and lower the cost.

The utility model relates to the technical field of irrigation devices, in particular to an irrigation device for citrus cultivation, which comprises a circulation mechanism and a supporting mechanism, the circulation mechanism comprises a drip irrigation connection barrel and connection threaded barrels arranged at two ends of the drip irrigation connection barrel, and connection screw holes are formed in the connection threaded barrels; the supporting mechanism comprises an external pipe installed on the circumferential side face of the drip irrigation connecting cylinder. The end, away from the drip irrigation connecting cylinder, of the external pipe is connected with an erecting assembly. According to the device, by arranging the drip irrigation connecting cylinder with the conveying water pipes at the two ends, the drip irrigation connecting cylinder can be placed near a citrus tree to be irrigated, the conveying water pipes are connected with an external water source, and the irrigation water source can enter the erecting assembly through an external pipe; the assembly is erected, and then a water source uniformly drips onto the soil of the root system of the citrus tree through the water outlet bent pipe, so that the irrigation uniformity can be improved, the pipe orifice can be pulled up, and the situation that the pipe orifice is blocked by a mud-water mixture is avoided.

The utility model discloses a grooving cutter for citrus tree grafting, and belongs to the field of fruit tree grafting tools. A grooving cutter for citrus tree grafting comprises a cutter handle and a cutter head rotationally connected to the cutter handle, and further comprises a blocking strip installed on the cutter handle, a protection pad is fixedly connected to the side, close to the cutter handle, of the blocking strip, a forming groove is formed in the protection pad, an elastic piece is arranged on the cutter handle, and when the blocking strip is subjected to external acting force, the elastic piece is fixed to the cutter handle. A clamping area is formed between the protection pad and the knife handle through the elastic force of the elastic piece and used for limiting fingers in the forming groove, and a carborundum sharpening stone used for sharpening the knife head is installed on the knife handle. The blocking strip and the protection pad are adjusted through the elastic piece, the hand of a user can be clamped in a self-adaptive mode, the situation that the grooving cutter falls off due to fatigue of the hand is avoided, meanwhile, the detachable carborundum sharpening stone is integrated on the cutter handle, the user can conveniently polish and maintain the cutter head, and therefore the grafting efficiency of citrus trees is improved.

This invention belongs to the field of citrus cultivation technology, specifically relating to a method for increasing the β-cryptoxanthin content in mandarin oranges through artificial lighting. This invention involves applying specific wavelengths of artificial lighting to fully mature mandarin orange trees, including Satsuma mandarins, during the period from late September (Autumn Equinox) to the harvest season when natural daylight hours are shorter. This effectively increases the β-cryptoxanthin content in mandarin oranges. Furthermore, the method described in this invention is simple, easy to implement, low-cost, and suitable for widespread application.

The utility model discloses a kind of rapid fertilizing device for pericarpium citri reticulatae planting, it is related to fertilizing device technical field, including mobile car, the mobile car upper end is provided with storage tank, the lower end of the storage tank is connected with two symmetrical settings have hopper, the hopper lower end is provided with material spraying distance adjusting mechanism, material spraying distance adjusting mechanism includes: downcomer, the downcomer is obliquely arranged, and its upper end is connected with hopper;Moving pipe, the moving pipe is also obliquely arranged, and its sliding connection is in downcomer outer end;Rotary cap, the rotary cap is conical, and its outer surface is provided with protruding strip, and the rotary cap is located in moving pipe tail lower end.The utility model design structure is reasonable, and it can be according to the planting row distance of citrus tree, and fertilizer is accurately applied to root system concentrated distribution area, avoid fertilizer waste, improve fertilizer utilization, solve the problem that traditional fertilizing device is difficult to adjust fertilizing area according to planting row distance, and it is prone to cause fertilizer waste.