1260results about "Afforestation" patented technology

The invention relates to the technical field of intelligent recognition, and particularly discloses a municipal greening nursery stock disease and pest recognition method and system based on the Internet of Things, and the method comprises the steps: carrying out the leaf surface state feature extraction of a nursery stock leaf image collected by a camera based on a computer vision technology and an artificial intelligence technology; and leaf surface semantic feature information focused on the pest and disease damage area is obtained, so that automatic identification of pest and disease damage types is realized. Therefore, manpower resources can be saved, and the efficiency and accuracy of seedling disease and pest detection are improved.

The invention is suitable for the technical field of forestry seedling raising, and provides a forestry seedling raising transplanter which comprises an annular fixing plate and a connecting assembly arranged on the annular fixing plate, and further comprises an annular mounting plate rotationally connected to the upper end of the annular fixing plate through a rotary matching assembly, a nursery stock avoiding opening I and a nursery stock avoiding opening II are respectively formed in the annular fixing plate and the annular mounting plate; three arc-shaped guide plates are annularly and evenly fixed to the upper end of the annular mounting plate, guide grooves are formed in the three arc-shaped guide plates, and guide blocks are slidably connected into the three guide grooves. The driving assembly drives the annular mounting plate to rotate in a reciprocating mode, the annular mounting plate drives the three arc-shaped cutting knives to rotate in a reciprocating mode, under the guiding effect of the guiding groove and the guiding block, the synchronous lifting mechanism drives the three arc-shaped cutting knives to stretch into soil, and then the three arc-shaped cutting knives stretch into the soil in a reciprocating rotation mode; therefore, the soil and seedling root cutting effect of the arc-shaped cutting knife is improved.

The invention discloses an integrated green Chinese onion transplanter, and relates to the field of green Chinese onion transplanting.The integrated green Chinese onion transplanter comprises a rack, a suspension electric wheel walking mechanism is arranged at the bottom of the rack, a seedling storing and conveying mechanism, a seedling separating mechanism, a seedling taking and planting mechanism, a soil drilling mechanism and a soil covering mechanism are arranged on the rack, and the seedling storing and conveying mechanism comprises a seedling storing box and a conveying belt; the seedling storage box is installed on the rack, a plurality of conveying belts are arranged in the seedling storage box in the height direction of the seedling storage box, the output end of the upper conveying belt corresponds to the input end of the adjacent lower conveying belt, a seedling discharging opening is formed in the bottom of the seedling storage box, the output end of the lowest conveying belt is arranged close to the seedling discharging opening, and the seedling separating mechanism is arranged below the seedling discharging opening. The seedling separating mechanism comprises a seedling separating cylinder, the seedling separating cylinder is rotationally installed on the rack, a plurality of seedling separating grooves are formed in the side wall of the seedling separating cylinder and are evenly distributed in the circumferential direction of the seedling separating cylinder, each seedling separating groove can only contain one shallot seedling, automatic transplanting of the shallot seedlings is achieved, the planting efficiency of the shallot seedlings is improved, and the labor cost is reduced.

The utility model discloses a lawn loosening device for landscaping engineering, comprising a mobile box: a push handle is fixedly connected to the right side of the mobile box, a plurality of universal wheels are arranged on the lower side of the mobile box, a rectangular hole is opened on the lower side of the mobile box, a loosening unit is arranged on the inner side of the mobile box, and the loosening unit comprises a hydraulic rod, the hydraulic rod is fixedly connected to the upper inner wall of the mobile box, the lower end of the hydraulic rod is fixedly connected to a lifting plate, and the lower side of the lifting plate is fixedly connected to a fixed rod. By providing the mobile box, the hydraulic rod, the lifting plate, the fixed rod, the fixed plate, the rotating roller and the loosening rod, it is convenient to control the loosening rod to move up and down, and it is convenient to loosen the lawns of different depths with the loosening rod, and by using the hydraulic rod, the screw rod, the moving block, the slide plate, the motor two and the motor three, it is convenient to control the loosening rod on the rotating roller to move left and right, and it is convenient to reduce the resistance of the personnel pushing the mobile box during work, and the operation is simple.

The present invention relates to the technical field of garden greening sapling planting, and discloses a municipal engineering garden greening sapling planter, including an equipment frame, the bottom of the equipment frame is fixedly connected with a plurality of support columns, the end of the support column away from the equipment frame is rotatably connected with a wheel, and the top of the equipment frame is fixedly connected with a plurality of connecting rods. The present invention, by setting an auxiliary planting mechanism, when the planting tube moves downward, the sliding ring of the planting tube side wall is driven to move downward, and the pressing plate at the bottom of the push column is first pressed against the ground, at which time the pressing plate drives the sliding ring at the top of the push column to slide upward along the sliding groove, and the sliding ring slides upward to drive a plurality of telescopic rods 2 to move upward, and the plurality of telescopic rods 2 drive a plurality of auxiliary arc plates to approach the direction close to the trunk, so that the arrangement is conducive to the plurality of auxiliary arc plates in the device to straighten the saplings, and avoid the saplings from being planted crookedly and affecting the growth of the saplings, thereby improving the planting quality of the saplings by the device.

The invention belongs to the technical field of tree transplanting, and discloses a forestry tree transplanting device which comprises a support, two fixing pins are fixedly connected to the middle of the support, a connecting plate is fixedly connected to the bottom of the right side of the support, a rotating block is rotatably mounted in the middle of the connecting plate, and a hemispherical plate is fixedly connected to the right side of the rotating block. The transmission gear drives the control gears on the two sides to rotate, the control gears rotate to drive the spur rack to rotate through the connecting pin, and when the spur rack rotates in the lower half circle, the spur rack drives the tooth column to rotate and slides downwards along the tooth column at the same time, so that the cutting saw is driven to slide along the arc-shaped groove; similarly, when the spur rack rotates in the upper half circle, the tooth column rotates to drive the arc-shaped rack to slide reversely along the arc-shaped groove, the arc-shaped rack sliding back and forth can partition the tree root, and therefore the problem that it is difficult for an existing spherical digging knife to cut the thick tree root at a time is solved.

The invention relates to the technical field of tree planting, in particular to a pit digging device for tree planting, which comprises a vehicle body, a guide frame, a lifting plate, a soil taking guide rod, a soil taking spring, a soil collecting frame, a soil collecting cylinder and the like, a guide frame is fixedly connected to the vehicle body, a lifting plate is slidably connected to the guide frame, a spiral drill rod is rotatably connected to the lifting plate, a main motor used for driving the spiral drill rod is fixedly connected to the lifting plate, a soil taking guide rod is slidably connected to the lifting plate, a soil collecting frame and a soil collecting box are fixedly connected to the soil taking guide rod, and the soil collecting frame is communicated with the soil collecting box. A soil collecting barrel is fixedly connected to the soil collecting frame and used for guiding soil so that the spiral drill rod can lift the soil upwards into the soil collecting frame. According to the device, dug soil can be collected into the soil collecting box, and when a next pit is dug, the backfilling mechanism can backfill the collected soil into a previous pit, so that the backfilling of the previous pit is realized in the pit digging process, the physical labor of workers is reduced, and the tree planting efficiency is improved.

The invention provides a grass seed spray-seeding device for landscaping, and belongs to the technical field of seeding equipment.The grass seed spray-seeding device comprises a rack used for being fixedly installed on a carrying vehicle body; the snake bone pipe is movably arranged on the rack and extends out of the rack, the snake bone pipe comprises a plurality of joints which are arranged in a mutually hinged mode, and the joints jointly form a hollow tubular structure; the feeding hose is arranged in the multiple joints in a penetrating mode, a plurality of discharging spray heads are arranged on the feeding hose, and the multiple discharging spray heads penetrate out of the joints and right face the ground; the first feeding assembly is used for storing and conveying grass seeds to the feeding hose; the driving assembly is used for driving the snake bone pipe to be bent in the vertical direction and fixed to the bent position. The grass seed sowing device can effectively solve the problem of adaptation of existing sowing equipment in a downwards-bent or upwards-protruding terrain, efficient and uniform grass seed sowing is achieved, and the greening effect is improved.

The invention relates to the technical field of forestry planting, in particular to a water retention and improvement afforestation method for dry soil. The afforestation method comprises the following steps: (1) preparing a soil conditioner; (2) preparing a water retention material; (3) seedling planting and afforestation; and (4) performing conventional management after seedling field planting. When the method is used for afforestation, the afforestation survival rate can be effectively increased.

The invention discloses a transplanting device for landscaping, and relates to the technical field of landscaping. A digging shielding cylinder is fixedly arranged between two sides of an inner cavity of an outer support mounting frame through a support, and a middle annular base plate is arranged in the digging shielding cylinder. According to the transplanting device for landscaping, by arranging a re-crushing mechanism, a vibration screening mechanism and a neatening and shaping mechanism among a digging shielding cylinder, a middle annular base plate, an annular rotating sleeve, a conveying cylinder and a spiral shaft, the device can automatically dig planting pits through cooperation of the re-crushing mechanism, the vibration screening mechanism and the neatening and shaping mechanism, the digging efficiency is improved, and the device is convenient to use. And soil blocks generated during pit digging are further crushed and vibrated synchronously, so that follow-up soil covering and backfilling are facilitated, broken soil is neatened and fixed, the broken soil is conveniently collected to the periphery of the tunnel, and the broken soil is prevented from being thrown to the ground at will.

The invention belongs to the field of agricultural mechanization equipment, and provides greening auxiliary planting equipment based on different mountainous area site conditions, the greening auxiliary planting equipment comprises a hand-held device and a walking device, the walking device comprises a front wheel mechanism, a rear wheel mechanism and a bottom bridge, and a pair of ground gripping devices is arranged at the tail of the bottom bridge; an intestine-shaped vehicle body is arranged above the front wheel mechanism and the rear wheel mechanism, a rotary clamping device is arranged at the front end of the intestine-shaped vehicle body and comprises a plurality of lower clamping openings distributed at intervals, a tail hoop is arranged at the position, close to the rear end, of the intestine-shaped vehicle body, and the two sides of the tail hoop are each provided with a telescopic device. The telescopic device comprises a fixed cantilever, a movable cantilever, a plurality of upper clamping pieces and a centralizing clamping piece, and a control device used for controlling the telescopic device to stretch out and draw back is arranged on the movable cantilever and the handheld device. The device is reasonable in design, good in moving flexibility, good in mountainous region trafficability and beneficial to auxiliary planting and improvement of operation efficiency.

The invention provides a fast-growing high-yield forest tree species afforestation area establishment method and system, and relates to the field of afforestation. According to the method, ecological environment and social economic two-dimensional information are fused, an improved maximum entropy reinforcement learning model is adopted to construct an ecological environment suitable area prediction model, social economic suitability is judged based on rule modeling, and a final suitable afforestation area is obtained through space superposition. According to the method, intellectualization and precision of afforestation site selection are achieved, scientificity and actual operability of suitability judgment are improved, and the method is suitable for afforestation planning and optimization under large-scale and multi-constraint conditions.

The invention discloses a rhubarb seedling transplanting pit digging device and application thereof, and relates to the technical field of rhubarb seedling transplanting, the rhubarb seedling transplanting pit digging device comprises a pit digging locomotive, the advancing direction of the head of the pit digging locomotive is taken as the front end, a material guide assembly is mounted at the top of the pit digging locomotive, and the material guide assembly comprises a cover plate covering the top of the pit digging locomotive; and one side of the cover plate is hinged to the top of the pit digging machine, a material falling hole is formed in the top of the cover plate in a penetrating mode, and two bottom plate pieces are further installed at the top of the cover plate in a threaded mode. According to the rhubarb seedling transplanting and pit digging device and the application thereof, a long screw is twisted towards the interior of a matching plate body, a wide-edge cylinder is pushed to be close to one side of a telescopic rod by the long screw, the distance of a pit digging assembly in the transverse row direction is changed, and flexible adjustment of different transplanting distances of rhubarb seedlings in the transverse row direction is achieved; the device can be adjusted in real time according to the plant size of the rhubarb seedlings and the planting area of the land.

The invention provides a tree species screening method for high-altitude drought afforestation, an afforestation method and application, and belongs to the technical field of forest tree breeding and cultivation. According to the screening method, five physiological and biochemical indexes of soluble protein, malondialdehyde, proline, peroxidase and soluble sugar in the tree species are measured through a gradient drought stress experiment, and comprehensive scoring is performed by adopting a membership function, so that the drought-resistant tree species are scientifically screened. The tree species such as sophora moorcroftiana, rosa serrulata and amorpha fruticosa screened by the method are applied to afforestation in the high-altitude arid region, and the afforestation survival rate and preservation rate can be remarkably increased. The invention provides a reliable technical scheme for solving the long-term problem that the selection of tree species in the difficult site field lacks scientific basis.

The invention belongs to the technical field of agricultural biology, and discloses a method for inducing curcuma wenyujin tissue culture seedling test-tube micro rootstocks, which comprises the following steps: inoculating terminal bud cluster proliferation buds of curcuma wenyujin obtained by conventional tissue culture into a rootstock induction culture medium for rooting culture for 30 days to obtain tissue culture seedlings with rootstocks, the rhizome induction culture medium is prepared from 1 / 2MS, 0.1-1.0 mg / L of NAA, 30 g / L of cane sugar, 1-3 mg / L of choline chloride and 1-3 mg / L of compound sodium nitrophenolate, the pH is 5.8, and the weight ratio of choline chloride to compound sodium nitrophenolate is 1: (0.3-2). According to the method, the formation of the curcuma wenyujin test-tube micro rhizomes is induced in vitro, the sterile micro rhizomes are directly transplanted, and the micro rhizome artificial seeds are manufactured for sowing, so that a green seedling hardening and temporary planting link is omitted, and the seedling loss caused by strict requirements of green seedlings on humidity is reduced, and the test-tube micro rhizome seedlings are beneficial to storage and long-distance transportation; therefore, the seedling breeding efficiency of the rhizome plants is improved.

The invention relates to the technical field of maintenance vehicles, in particular to a greening maintenance vehicle for crushing trees, which comprises an automobile chassis, a cab is arranged at the top of one side of the automobile chassis, and a crossbeam connecting frame is fixedly mounted on one side of the lower part of the automobile chassis; the recovery system is arranged on one side of the automobile chassis, the recovery system comprises a recovery carriage fixedly installed on one side of the automobile chassis, a fan is arranged on one side of the recovery carriage, an air pipe is arranged on one side of the fan, the other end of the air pipe is communicated with one side of the multifunctional machine tool, and the recovery system is used for recovering pruned leaves and small branches; the crushing assembly is arranged above the girder connecting frame, and the crushing assembly is used for crushing the trimmed trees or branches. Compared with the prior art, through the arrangement of the crushing assembly, material waste is reduced, the working efficiency is improved, meanwhile, flexible adjustment and self-adaption functions are achieved, various operation requirements are met, and the performance and the use experience of the crushing equipment are comprehensively optimized.

The invention discloses a forestry seedling transplanting device, and particularly relates to the technical field of transplanting, the forestry seedling transplanting device comprises a workbench vehicle body, the front end of the vehicle body is provided with two lifting arms, the surfaces, close to each other, of the two lifting arms are rotatably connected with connecting seats, and the lower ends of the two connecting seats are provided with rotating assemblies; a protection assembly is arranged in the middle of the rotating assembly, and soil loosening assemblies are symmetrically arranged at the lower end of the rotating assembly. According to the forestry seedling transplanting device, synchronous development of multiple procedures such as soil loosening, soil cutting, clamping and protective winding of transplanted plants is achieved through rotation of the rotating assembly, the soil loosening assembly and the soil cutting assembly rotate in the same direction, and the working process of soil loosening and soil cutting is formed; the angle of the soil cutting assembly is changed through the clamping assembly during rotation, it is guaranteed that the soil ball is completely dug out, the damage risk is reduced, the transplanting efficiency is overall improved, and the shrub integrity and the transplanting quality are guaranteed.

The invention discloses a forestry engineering tree transplanting protection method, and relates to the technical field of tree transplanting protection, the forestry engineering tree transplanting protection method comprises two base plates, and the tops of the two base plates are provided with fixing rings. According to the forestry engineering tree transplanting protection method, in the tree transplanting process, the two base discs are driven by the driving motor to synchronously rotate, the four wrapping plates can be close to one another and obliquely combined through cooperation of the guide grooves and the first connecting rods, soil balls wrapping the roots of the trees are compacted, the stability and integrity of the trees in the transplanting process are ensured, and the transplanting efficiency is improved. Meanwhile, a base disc rotates to enable a fixing plate to make contact with a touch block, under the cooperation of a sliding column and a spring, a wrapping plate slightly vibrates in the approaching process, the binding force between soil and the root system of the tree is weakened, the root system is separated from the soil more easily, and direct pulling and damage to the root system are reduced; the integrity and the health state are protected, and the survival of the transplanted trees is also facilitated.

The utility model relates to the technical field of polygonatum sibiricum seed culture seedling transplanting, and discloses a special transplanting device for polygonatum sibiricum seed culture seedlings, which comprises a cutting frame, a cross rod fixedly mounted on one side, far away from the cutting frame, of a plug plate, a base plate fixedly welded on one side, far away from the cutting frame, of an inclined frame, and a sliding rod fixedly mounted on the outer wall of the top of the base plate. A transverse plate is fixedly mounted on the left outer wall of the plug plate, and a moving rod is fixedly welded to the top end of the annular frame. According to the special transplanting equipment for the polygonatum sibiricum cultivation seedlings, when the polygonatum sibiricum seedlings need to be transplanted, a cutting frame is arranged on the periphery of the polygonatum sibiricum seedlings in a sleeving mode, a pedal is treaded, the pedal can drive the cutting frame to move downwards, the cutting frame can go deep into soil, a cross rod is pushed, a plug plate can be driven by the cross rod to move downwards, the plug plate can go deep into the soil, and bottom plugging is completed; the problems that the bottom of a cylinder of an existing transplanting device is not provided with a shielding piece, soil in the cylinder is prone to falling off in the process that the cylinder is lifted upwards, and the survival rate of seedlings is low are solved.

The invention relates to the technical field of digging, in particular to nursery stock digging equipment with a root protection function, and solves the problems that a part of tree roots of nursery stocks can be cut off during digging of the nursery stocks, the nursery stocks are likely to die due to damaged tree roots in the subsequent planting process, soil balls located at the roots of the tree roots are prevented from being scattered, and the digging efficiency is high. The problem that the shipment efficiency of the nursery stocks is delayed due to the fact that the nursery stocks need to be bound manually subsequently and the operation is tedious is solved. Comprising a planting land, and fraxinus mandshurica seedlings are arranged on one side of the upper end face of the planting land. By means of the device, a rooting agent can be automatically sprayed on the outer surface of a fraxinus mandshurica sapling root soil ball, so that production of the surface of a cut root system is promoted, the two sides of the outer surface of the soil ball can be automatically and directly covered with two to-be-combined arc-shaped root soil wrapping shells through the sapling root wrapping mechanism, the soil ball is wrapped, and the yield of the sapling is improved. By means of the technical scheme, the protection performance of the device on the roots of fraxinus mandshurica saplings is enhanced while the functionality of the device is increased.

The present disclosure relates to a pneumatic serial device for spraying materials into a deep soil layer and an implementation method thereof. The device comprises a material spraying injector (1), a air blasting system (2) connected with the material spraying injector (1), and a material feeding system (3), wherein the air blasting system (2) and the material feeding system (3) are connected with the material spraying injector (1) in series in sequence, wherein the air blasting system (2) comprises a high-pressure air tank (2-1) and a quick relieve valve (2-2), the material feeding system (3) comprises a material chamber (3-1), a feeding valve (3-2), a valve I (3-3), a material sending chamber (3-4), a valve II (3-5) and a material delivery pipe (3-6) which are connected to each other in sequence, and the material delivery pipe (3-6) extends into the high-pressure air tank (2-1) and is communicated with the quick relieve valve (2-2) at the bottom thereof. Combined with the implementation method thereof, the device can uniformly apply a certain amount of various materials into the soil layer at any depth, replacing the traditional method, greatly improving the operation efficiency of applying materials into the deep soil layer, significantly reducing the cost of applying materials into the deep soil layer, and reducing the labor intensity.

The invention belongs to the technical field of tree planting, and discloses an afforestation seedling raising device which comprises a base and further comprises a seedling raising assembly fixedly installed in the base and used for raising seedlings. The plastic film is placed at the top of the base, so that the plastic film forms the planting groove located in the cultivation pot, soil and the cultivation pot are separated through the plastic film, seeds can be placed in the soil of the groove for seedling raising, and after seedling raising of seedlings is completed, the plastic film is cut by means of a cutting tool such as an art knife or scissors. Each groove forms an independent individual, the seedlings in the cultivation pot can be taken out through the independent grooves formed by the plastic film, and the phenomenon that roots of the seedlings grow vigorously in the seedling cultivation process and are tightly attached to the inner walls of the seedling cultivation grooves, so that fibrous roots are broken due to excessive force in the taking-out process is avoided; the water and nutrient absorption capacity of seedling transplanting is improved, and the survival rate of seedlings is guaranteed.

The tree fertilizing device comprises a direction adjusting mechanism and a liquid storage tank, the direction adjusting mechanism is arranged on the side face of the liquid storage tank and connected to the top of the liquid storage tank, moving wheels are symmetrically arranged at the lower end of the liquid storage tank, and push rods are symmetrically arranged on the side, away from the direction adjusting mechanism, of the liquid storage tank. The direction adjusting mechanism is additionally arranged, the driving mechanism is used for controlling the rack to ascend and descend, the rack controls the spraying pipe to rotate through the gear, adjusts the orientation of the spraying pipe and confirms that the spraying pipe faces the roots of trees on the two sides, precise fertilization is achieved, waste of fertilizer, liquid medicine and the like is avoided, the cost of the fertilizer and the liquid medicine is saved, and the device is suitable for large-range tree fertilization. The production efficiency is remarkably improved, and the problem that the use efficiency is low when tree roots are fertilized in the background technology is solved.

The utility model provides a forestry seedling raising cutting device which comprises a crawler-type movable base, and a plurality of parallel cutting mechanisms extending to the tail of the crawler-type movable base are arranged at the top of the crawler-type movable base. According to the forestry seedling raising and cutting device, the multiple cutting mechanisms are arranged on the crawler-type movable base, the crawler-type movable base can conveniently drive the cutting mechanisms to move in soil or sand, the cutting mechanisms are used for conducting seedling raising and cutting work at the tail of the crawler-type movable base, and therefore the automatic seedling raising and cutting effect is achieved; by arranging the hole inserting mechanism at the front end of the crawler-type movable base, holes can be inserted in hard soil conveniently, and seedlings at the tail can be inserted into the hard soil conveniently.

The invention belongs to the technical field of forest tree seedling raising, and particularly relates to a batch transplanting device for forestry saplings, which comprises a mounting rack, a mounting plate connected to the mounting rack, a placement frame with an annular groove placed on the mounting plate, vertical cylinders uniformly arranged in the annular groove at intervals, and a material passing cylinder communicated with the bottom of the mounting plate, wherein one vertical cylinder is located over the material passing cylinder, a sliding lifting frame is arranged on the left portion of the mounting frame, and a fixing column is connected to the bottom end of the lifting frame. A second electric push rod is controlled to enable a lifting frame to descend, under cooperation of an arc-shaped block and an annular guide rod, a movable half hopper and a fixed half hopper stretch into soil, the movable half hopper is opened, a synchronous belt and a material guide barrel rotate, a first rotating push gear and a second rotating push gear push a vertical barrel to move along an annular groove, and saplings are sequentially loaded into the material guide barrel; the second electric push rod is controlled to enable the lifting frame to ascend, the saplings fall into a pit, the saplings can be continuously placed into the vertical cylinders of the multiple placing frames, and the operation continuity and the overall working efficiency are improved.

The invention discloses a forestry afforestation sapling transplanting protection device and method convenient to move, and relates to the field of forest tree breeding, the forestry afforestation sapling transplanting protection device comprises a base, a moisturizing mechanism, a clamping mechanism and a placing mechanism are fixedly arranged on the upper surface of the base, and the moisturizing mechanism is connected with the placing mechanism; and fixing mechanisms are arranged on the bottom surfaces of the placing mechanism and the base. The bottom surface of the base is provided with a groove, a supporting shaft, a supporting rod and universal wheels, and a placing mechanism is arranged above the base, so that when the device is used for auxiliary work of sapling transplanting, a user can place a to-be-transplanted sapling on two second clamping plates, and the to-be-transplanted sapling is placed on the second clamping plates; at the moment, a plurality of universal wheel moving devices can be used for moving the saplings, the saplings are moved and transferred to a transplanting site, so that a user can conveniently move the saplings which are large in size and heavy, the user can conveniently move and transfer the device body through a plurality of universal wheels, and the use convenience of the device is further improved.

The invention discloses a method for establishing a cudrania tricuspidata stem efficient regeneration system, and belongs to the technical field of plant tissue culture. The establishment method comprises the following steps: cutting healthy Cudrania tricuspidata current-year twigs into stem segments, reserving a plump bud on each stem segment, carrying out preliminary disinfection, soaking in a disinfectant, carrying out ultrasonic treatment and disinfection, using the disinfected bud as an explant, and carrying out bud induction culture, cluster bud enrichment culture and rooting culture to obtain Cudrania tricuspidata in-vitro regenerated seedlings. By screening the components of the culture medium in each stage and optimizing the in-vitro rapid propagation process of the cudrania tricuspidata, the propagation efficiency of a rapid propagation system is improved, a large number of high-quality seedlings can be produced within a short period of time, the market demand is met, and rapid development of industrialization of the cudrania tricuspidata is promoted.

The utility model relates to the technical field of landscaping, and discloses a landscaping weeding device which comprises a bottom plate, and a weeding mechanism and a grass collecting mechanism are arranged on the bottom plate. The weeding mechanism comprises a frame body, the frame body is fixedly connected to the top of the bottom plate, and the frame body is arranged in an inverted U shape. The motor drives the rotating shaft to rotate, the rotating shaft drives the weeding blades to rotate to cut and remove weeds, the bidirectional threaded rod rotates to drive the moving block to horizontally move under limiting of the limiting sliding rod, and the moving block drives the hinge arm to rotate around the hinge point, so that the hinge arm pushes the mounting plate; the mounting plate drives the motor, the rotating shaft and the weeding blade to vertically move, so that the height of the weeding blade can be freely adjusted, the weeding flexibility is improved, and weeding is more thorough.

The invention relates to the technical field of ecological restoration, in particular to a method for restoring a tropical degraded forest based on thinning and complementary planting of nitrogen fixation precious tree species. The method comprises the following steps: dividing a degenerated forest into three types, namely a mild type, a moderate type and a severe type according to canopy density and forest stand composition; for the light tropical degraded forest, a stand structure is built through target tree marking and interference tree felling, stand renewal is driven in cooperation with pruning work and selective felling, and a different-age double-layer forest is cultivated; for the moderate tropical degraded forest, a forest window updating unit is constructed, and survival rate and preservation rate dual monitoring is executed to maintain the forest window updating unit; for the severe tropical degraded forest, native vegetation is reserved through strip cleaning, seedlings are planted in a planting strip to construct a strip recovery substrate, synchronous complementary planting is carried out, and finally the strip succession process is stabilized in combination with continuous tending. According to the method, the problem of repairing the fragmented area is effectively solved, synergistic interaction of soil improvement and economic value improvement is achieved, and the technology generalizability is remarkably enhanced through a standardized operation system.

The lawn maintenance device comprises a machine box, a driving assembly and a control unit, two sets of electric shavers are installed on the two sides of the bottom of the machine box, the driving assembly is arranged at the bottom of the machine box and comprises a motor wheel and a crawler belt, and a fertilization box is arranged on one side of the top of the machine box; a first pressure pump is arranged on one side of the fertilizing box, a first nozzle is arranged at the bottom of the fertilizing box, an irrigation box is arranged on the other side of the top of the case, a second pressure pump is arranged on one side of the irrigation box, a storage battery is arranged on one side of the top of the case, and a control unit is arranged on the other side of the top of the case; the electric shaver, the irrigation box and the fertilization box are matched for use, so that multiple functions of trimming, irrigation, fertilization and the like can be integrated, the number and the operation complexity of maintenance equipment are reduced, a remote control technology is combined with lawn maintenance operation, efficient, convenient and environment-friendly lawn maintenance is realized, and the maintenance efficiency is improved.