1215results about "Root feeders" patented technology

The invention belongs to the technical field of drip irrigation equipment, and discloses a water-saving vegetation drip irrigation device for desertification control, which is technically characterized by comprising a bottom ring, a plurality of groups of annularly distributed drip irrigation pipes are fixedly mounted on the bottom wall of the bottom ring, and a plurality of groups of permeable holes are respectively formed in the surfaces of the drip irrigation pipes along different heights. The drip irrigation pipe is internally provided with a layered drip irrigation mechanism matched with the water permeable holes, the layered drip irrigation mechanism comprises a sealing assembly and a fixed-height drainage assembly, and the sealing assembly is matched with the fixed-height drainage assembly, so that the water permeable holes at different heights in the surface of the drip irrigation pipe can be gradually switched to a through state from top to bottom; the irrigation depth can be gradually increased through the water permeable holes in the surface of the drip irrigation pipe, the vegetation root system can be guided to extend towards the deep soil during irrigation, and the vegetation root system is promoted to autonomously absorb water contained in the deep soil.

A method of creating a wetland in a hot, arid, location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water from the channel is applied to hydrate the SAP, and both edible and dam-constructing vegetation is allowed to grow and mature from the seeds and / or seedlings. Beavers are then introduced into the arid location, which eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.

The invention relates to the technical field of agricultural irrigation, in particular to an intelligent biological irrigation system and method based on remote control, and the system comprises a biological sensing unit, a neural computing decision engine, a driving execution unit, and a communication optimization architecture. Wherein the biological sensing unit is used for monitoring multi-modal data of plant physiological status, rhizosphere microenvironment and meteorological parameters in real time; the neural computing decision engine is used for constructing a pulse neural network, fusing a plant dimensional management system signal transduction mechanism and a multi-agent optimization algorithm, and generating a millisecond-level dynamic irrigation strategy; the driving execution unit is used for millimeter-level water quantity adjustment and pipe network self-repairing of the irrigation execution unit; the communication optimization architecture is used for seamless coverage and secure transmission of irrigation data, and meanwhile, a strategy is optimized by applying algorithms such as reinforcement learning and the like. Therefore, the problems of water resource waste, poor irrigation effect, untimely irrigation strategy adjustment and the like in the prior art are solved.

The present invention belongs to the technical field of tree transplanting support and protection devices, and discloses a tree transplanting support and protection device for forestry, which includes two fixed rings hinged to each other. The free ends of the two fixed rings are both fixedly provided with mounting frames. The mounting frames are U-shaped. An installation block is rotatably arranged inside the mounting frame. A rod hole is formed in the installation block. A fastening screw is movably arranged between the through holes on the two installation blocks. A fastening nut is threadedly arranged at one end of the fastening screw; A protective pad is fixedly arranged together on the inner sides of the two fixed rings; In the present invention, through the cooperation of the protective pad, the arc-shaped cavity, the driving member and the fastening nut, etc., the air pressure in the protective pad can be changed by the growth of the tree. Using the air pressure as the power, the driving member drives the fastening nut to move, so as to achieve the purpose of adjusting the space between the two fixed rings and play a role in protecting the tree.

A method of creating a wetland in a remote arid location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water is applied to the SAP, such that both edible and dam-constructing vegetation grows and matures from the mat. Beavers are then dropped into the arid location by parachute in containers that open upon landing. The beavers eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.

The present invention provides devices and methods for applying a liquid formulation to a plant. An injection system is provided that includes an injection tool operably connected to a fluid delivery device via an actuator. The injection system is configured to deliver a liquid formulation comprising one or more active ingredients to the vasculature of a plant.

The invention provides a nutrient slow-release synergistic seedling transplanting disc and application thereof. The nutrient slow-release synergistic seedling transplanting disc is composed of a disc body and a seedling cup, the disc body is composed of two layers of materials including PBAT and PLA, the seedling cup is composed of three layers of materials, the inner layer is made of the PBAT material, the middle layer is a strip-shaped fertilizer belt made of macroelements, organic fertilizer, bacterial fertilizer and microelements, and the outer layer is made of the PLA material. The nutrient slow-release synergistic seedling transplanting disc integrates seedling raising and fertilization and can be used for seedling transplanting of grafted seed melons, seedling cups are directly transplanted into soil during transplanting, seedlings and the disc do not need to be manually separated, the seedling transplanting disc does not need to be recycled and transported after transplanting, the seedling cups in the soil isolate damage of salt, alkali and diseases and insect pests to seedling roots, and the seedling transplanting disc is convenient to use. Meanwhile, nutrient substances are slowly released, nutrients needed by melon seedlings are accurately met, the problem that an original seedling raising plate pollutes the environment is solved, and the problems that roots are damaged during transplanting, fertilization is balanced, the growth environment of the roots is poor and germs are harmed are solved.

A method of creating a wetland in a hot, arid, location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water from the channel is applied to hydrate the SAP, and both edible and dam-constructing vegetation is allowed to grow and mature from the seeds and / or seedlings. Beavers are then introduced into the arid location, which eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.

The utility model discloses an anti-blocking water dropper and a drip irrigation pipe. The anti-blocking water dropper comprises a water dropper body, a water inlet hole is formed in the water dropper body, and the water inlet hole penetrates through the water dropper body; a turbulent flow groove and a water outlet groove are formed in the first surface of the water dropper body; a plurality of alternately-arranged water retaining ribs are arranged on the two sides in the turbulent flow groove in the water flowing direction, and sunken parts are arranged on the incident flow faces of the water retaining ribs and configured to guide flowing water to form vortexes; a water inlet groove is formed in the second surface of the water dropper body; two first ribs which are arranged side by side are arranged in the water inlet groove, a plurality of flow guide plates which are arranged side by side are arranged in the water inlet hole, the flow guide plates are obliquely arranged relative to the first ribs, and water guide ribs are further arranged on the two sides, extending out of the water inlet hole and extending to the end of the water inlet groove, of the flow guide plates. The anti-blocking performance of the anti-blocking water dropper is improved, so that the use reliability of the drip irrigation pipe is improved.

The invention discloses a plant root system directional reinforcement guide system and application thereof, and belongs to the technical field of plant root system culture, the plant root system directional reinforcement guide system comprises a spherical culture bin, the spherical culture bin is formed by combining six arc-shaped plates, arc-shaped baffles are installed at the tops of the arc-shaped plates, and the outer sides of the six arc-shaped baffles are slidably sleeved with annular water injection boxes. When roots grow to extrude the inflatable balloon, gas is transmitted to the annular airbag through a mounting pipe, a driving ring is pushed to move upwards, water injection action is triggered, the displacement of a piston ring is adjusted through threaded connection, the water injection rate is accurately controlled, closed-loop feedback of'root demand-water supply response 'is achieved, manual intervention is reduced, and the water supply efficiency is improved. Ventilation and throttling are integrated, ventilation holes are formed upwards, water evaporation is avoided while oxygen supply to the roots is guaranteed, humidity balance in the guide pipe is maintained, and a water baffle throttling structure slows down the water flow speed, prolongs the water retention time, ensures that the roots continuously absorb water and strengthens the water guiding effect.

A method of creating a wetland in a remote arid location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water is applied to the SAP, such that both edible and dam-constructing vegetation grows and matures from the mat. Beavers are then dropped into the arid location by parachute in containers that open upon landing. The beavers eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.

The invention relates to the related technical field of agricultural equipment, and discloses sowing, fertilizing and irrigating integrated intelligent agricultural equipment which is characterized in that according to the change of resistance when an impact drill bit is inserted into a seedling root soil layer, water retaining blocks at different heights on a flow dividing block are triggered to be opened by combining the adaptive compression deformation action of a first spring; therefore, the advantage of automatically changing the amount of the liquid fertilizer conveyed into the soil under the limitation of the rated insertion distance and the rated time is achieved, and the problems of dysplasia and root rot caused by too much or too little fertilizer due to different absorption effects of different seedling roots on the fertilizer due to different soil drying conditions of the seedling roots are solved. The problems that when existing sowing, fertilizing and irrigating integrated intelligent agricultural equipment conveys liquid fertilizer into soil, it is difficult to judge the drying conditions of soil layers at different seedling growing and planting positions in real time, and the amount of fertilizer conveyed into the soil is automatically controlled according to the drying conditions of the soil are solved.

The invention discloses full-automatic desert tree planting equipment which comprises a vehicle body, a seedling barrel and saplings, the seedling barrel is arranged on the vehicle body, a plurality of saplings are contained in the seedling barrel, a drill rod is further arranged on one side of the vehicle body and can move in the horizontal direction and the vertical direction, and a seedling clamp capable of clamping the saplings and feeding the saplings into the drill rod is arranged beside the seedling barrel. A seedling pressing rod for pushing out the saplings is arranged beside the drill rod, and a soil covering ring for filling soil for the saplings is arranged below the seedling pressing rod; by arranging the soil covering ring, the soil covering function is achieved. The soil covering ring is inserted into soil, the soil is stirred by the soil stirring pieces to be gathered towards the saplings to form tree pits so as to ensure the realization of the water storage function, and the soil covering ring drives the soil stirring pieces to rotate after the soil stirring pieces are opened so as to compact the soil. The standardized soil covering rings ensure that each tree pit has enough depth and size and enough water storage capacity, so that rapid loss of soil moisture is avoided, seedlings such as haloxylon ammodendron can establish root systems at the initial stage of field planting, and land desertification is restrained.

The utility model relates to an automatic fertilizing gun, relates to the technical field of fertilizers, and is used for solving the problems that a fertilizing gun on a fertilizing vehicle in the prior art is vertically downwards inserted into soil for fertilizing, the fertilizing angle of a fertilizing gun body cannot be adjusted, and the fertilizing gun is difficult to adapt to a complex slope cropland environment. Comprising an adjusting frame, an angle adjusting piece and a fertilizing gun assembly, and the adjusting frame is hinged to the bottom of a frame of the tumbril; the angle adjusting part is used for adjusting the angle between the adjusting frame and the frame; the fertilization gun assembly is mounted on the adjusting frame, and crops are fertilized through the fertilization gun assembly.

The invention discloses a method for inducing infiltration of root systems of sandy vegetation. The method comprises the steps of land selection and preparation, pit digging, vegetation selection, arrangement of a PVC pipe water applying system, vegetation planting and backfilling and layered water control operation. According to the method, PVC pipes with water seepage holes with different depths are arranged near the root system of vegetation, a self-descending and lifting piston structure of a water-absorbing expansion cylindrical block and a depth-keeping hook-hanging ring chain is adopted in the pipes for the first time, and the distance between the water seepage holes, the length of a rope section and the size of a hanging ring are accurately calculated, so that it is guaranteed that the distance between the water seepage holes and the rope section is accurately calculated at each stage; water can only seep from the water seepage holes with the specific target depth, the root system is guided to follow a water signal to be deeply pricked downwards continuously, a deep and developed root system is formed, accurate layered water control and root system directional induction are achieved, the drought resistance and wind falling resistance of vegetation are greatly enhanced, the water consumption is low, the vegetation survival rate is high, and the growth vigor is good; the depth-keeping water applying system serves as a multifunctional and permanent ecological restoration unit and further has the functions of soil ventilation, humidification and self-cleaning.

The invention relates to the technical field of sand wind protection, in particular to a photovoltaic desertification control ecosystem which comprises a photovoltaic module, a flow guide module, a splash-proof water retention layer and vegetation, and the photovoltaic module comprises a fixing support and a photovoltaic panel arranged on the fixing support; the flow guide assembly is arranged at the lower edge of the photovoltaic panel, and the flow guide assembly is used for collecting water on the photovoltaic panel and enabling the collected water to drop down through the flow guide end; the splash-proof water retention layer is laid on the ground, located below the flow guide assembly and used for receiving water dripped by the flow guide assembly. The vegetation is planted on the land and located below the photovoltaic panel; wherein water received by the splash-proof water retention layer is used for being conveyed to vegetation. The photovoltaic desertification control ecological system provided by the invention can be effectively combined with the photovoltaic module, and the functions of desertification control and ecological restoration are realized on the basis of ensuring the normal operation of the photovoltaic module, so that the collaborative development of clean energy, desertification control and ecological restoration is efficiently promoted.

The utility model belongs to the technical field of irrigation, and discloses a hydraulic engineering auxiliary punching irrigation device which comprises a ground inserting nail, a water tank and a capillary tube, the ground inserting nail can be inserted and installed in external land, a receding hole is formed in the upper wall of the ground inserting nail, one end of the capillary tube can be inserted and installed in the receding hole, and the other end of the capillary tube is inserted and installed in the water tank. Arc-shaped through holes are formed in the left side wall and the right side wall of the ground inserting nail, an auxiliary positioning mechanism is slidably installed in an inner cavity of the ground inserting nail and comprises an arc-shaped pipeline, a rotating ring and a connecting sleeve, internal threads are arranged on the inner wall of a receding hole, the rotating ring is installed in the receding hole in a screwed mode through the threads, and the arc-shaped pipeline is slidably installed in the arc-shaped through hole. According to the device, the arc-shaped pipeline is arranged in the ground inserting nail, after the ground inserting nail is inserted into the ground, the arc-shaped pipeline can penetrate out of the arc-shaped through hole, the ground inserting nail can be reinforced, and therefore the situation that the drip irrigation effect is affected due to the fact that the ground inserting nail topples over or displaces is prevented.

The utility model discloses a water conservancy water-saving irrigation device which comprises a main body module. The main body module comprises two symmetrically-arranged water conveying pipes, a plurality of extension pipes installed on one sides of the water conveying pipes in an array mode and communicated with inner cavities of the water conveying pipes, fixing rods fixed to the bottom ends of the water conveying pipes in an array mode, supports fixed to the water conveying pipes on one side in an array mode, a base fixed to the water conveying pipes on the other side, and a movable cylinder arranged on one side of the base. One end of the sunshade cloth is wound on the reel, the other end of the sunshade cloth extends out of the movable cylinder and is fixedly connected with the base, the water conveying pipe is communicated with the pump machine, irrigation water can be conveniently conveyed into the water conveying pipe by the pump machine, the extension pipe is communicated with the water conveying pipe, a plurality of micropores are formed in the end of the extension pipe in an array mode, and the micropores face upwards. The water conservancy water-saving irrigation device has the advantages of being good in irrigation effect and high in practicability.

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.

A system for the transport and growing of free-rooted plants adapted to be grown aeroponically. The system and method includes propagating the free-rooted plants and then transferring them to a transport container. The transport container includes a light and hydrated nutrient balls adapted to keep the plant alive during transport. The plant may, after transport, be transferred to a growing container. The growing container may include a spherical upper portion and a conical lower portion. The growing container allows for the growing of individual free-rooted plants and is coupled to a fluid supply system which provides water to misters within the growing container, and which removes excess water from the bottom of the lower portion of the growing container.

The invention discloses an agricultural water-saving irrigation device, and relates to the technical field of water-saving irrigation, the agricultural water-saving irrigation device comprises a rain storage assembly, a drip irrigation assembly and a pesticide conveying assembly, the drip irrigation assembly drips irrigation water into a crop field, and the pesticide drips into the crop field when the irrigation water passes through the pesticide conveying assembly. According to the agricultural water-saving irrigation device, when irrigation water flows through the water supply pipe, the water can drive the turbine to rotate, meanwhile, the pesticide supplementing wheel is made to rotate, when the surface, attached to pesticide, of the pesticide supplementing wheel is rotated into the drip irrigation pipeline, the irrigation water flowing through the drip irrigation pipeline can wash away the pesticide on the surface of the pesticide supplementing wheel, and then the water flowing into the drip irrigation pipeline is mixed with the pesticide; pesticide can be supplied according to needs, the situation that the pesticide is deposited in the pool is avoided, the situation that crops grow unevenly due to non-uniform pesticide application can be prevented, and irrigation water mixed with the pesticide flows in the drip irrigation pipeline and is dripped to the root system portions of the crops from all drip irrigation heads in a drip irrigation mode.

The utility model relates to a water-saving irrigation and fertilization device, which belongs to the field of irrigation equipment and comprises a frame, a mixing device, a water pump, a support device, a support component and an irrigation component. The mixing device is arranged on the frame; the water pump is arranged on the frame and the input end is connected with the mixing device; the supporting device is arranged on the frame; the supporting assembly is rotationally arranged on the supporting device, and an adjusting assembly used for fixing the supporting assembly is arranged on the supporting device; the irrigation assembly is arranged on the supporting assembly and connected with the output end of the water pump. The semi-automatic irrigation device can realize semi-automatic irrigation of roots of vegetation.

The present invention relates to a novel moss pole designed for plant support and watering. The pole comprises a first elongated hollow perforated structure or pole, a second elongated structure, and absorbent materials surrounding both structures. Optional flexible lateral arms and optional fixing legs are provided for supporting lateral branches and enhancing stability in the soil. This innovative moss pole addresses issues of water wastage, rapid drying of moss, weak grip in soil, and lack of support for lateral branches, offering improved water conservation, plant health, stability, and support for gardeners and plant enthusiasts.

The utility model relates to the field of vegetable drip irrigation equipment, in particular to a vegetable water and fertilizer integrated drip irrigation device which comprises a liquid storage tank, a fertilizer tank, a flow guide pipe, a first meter, a water inlet pipe, a second meter, a drip irrigation pipe, a hydraulic controller, a master control module and a soil tacheometer, according to the vegetable water and fertilizer integrated drip irrigation device, the first meter and the second meter are arranged on the outer side of the joint of the fertilizer tank and the liquid storage tank as well as the outer side of the joint of the water inlet pipe and the liquid storage tank of the existing vegetable water and fertilizer integrated drip irrigation device respectively, so that the amount of water and fertilizer can be accurately controlled; detection information can be transmitted to the master control module for comprehensive analysis, then the master control module is triggered to automatically control the water and fertilizer proportion at the first meter and the second meter, accurate proportioning of water and fertilizer is achieved, the quality and growth stability of vegetables are guaranteed, drip irrigation is carried out in an accurate proportioning mode, the situation of excessive fertilization is not likely to be caused, and the work efficiency is improved. And more resources are saved.

The invention relates to the technical field of water and fertilizer conveying equipment, in particular to a water and fertilizer system for fruit tree planting and a using method.The water and fertilizer system comprises two mounting bases which are arranged in a spliced mode and further comprises an injection assembly, a driving assembly, a motor, an adjusting assembly and an electric push rod, each mounting base comprises a mounting plate, and a plurality of through holes are formed in the surface of each mounting plate in an array mode; the injection assembly is hinged to the interior of the through hole, the driving assembly is arranged on the mounting base, the motor is arranged on the mounting base, a gear is arranged at the output end of the motor, and the motor drives the driving assembly to rotate when driving the gear to rotate. Through the injection assembly, the driving assembly and the adjusting assembly, simultaneous fertilization of a plurality of fruit trees can be realized by using an external controller, the working intensity is reduced, the ground breaking depth can be adjusted when the root systems of the fruit trees grow quickly, and the root systems of the fruit trees are prevented from being mechanically damaged to influence normal growth.

The utility model relates to the field of agricultural drip irrigation, and discloses an agricultural drip irrigation device which comprises a movable mounting seat, a tank body is fixedly mounted on the top surface of the movable mounting seat in a penetrating manner, an L-shaped drain pipe is fixedly mounted on the bottom surface of the tank body, and a water pump is fixedly mounted on the inner bottom surface of the movable mounting seat. The liquid inlet end of the water pump is fixed to one end of the L-shaped liquid drainage pipe, an operator opens a valve on the L-shaped liquid drainage pipe and starts the water pump at first, after the water pump runs, liquid in the tank body is conveyed into the liquid supply pipeline and the drip irrigation belt, at the moment, drip irrigation holes in the drip irrigation belt can evenly drip the liquid to roots of crops, irrigation is completed, and then the liquid in the tank body is conveyed into the liquid supply pipeline and the drip irrigation belt. By starting the motor to rotate reversely, the drip irrigation belt is driven by the reversely-rotating main rotating shaft and the drip irrigation wheel disc to be automatically wound, so that soil turning or other operations are more convenient, meanwhile, the device is convenient to move and store, the drip irrigation mechanism of the device is very simple and convenient to unfold and fold, and the operation efficiency is greatly improved.

The utility model relates to the technical field of organic fertilizer fertilization, and particularly discloses an organic fertilizer fertilization system and a fertilization method, the organic fertilizer fertilization system comprises a differential pressure centrifugal filtering device, the differential pressure centrifugal filtering device comprises a device body, a centrifugal rotating disc is rotatably arranged in the device body, and a plurality of small filtering holes are formed in the middle of the side wall of the centrifugal rotating disc; a refined filtration liquid storage chamber and a slag liquid storage chamber are arranged in the device body; the bottom section cutting surfaces of the refined filtration liquid storage chamber and the slag liquid storage chamber are arranged in a manner that the middle parts are convex; the centrifugal turntable sequentially penetrates through the middle parts of the refined filtration liquid storage chamber and the slag liquid storage chamber; and a feeding pipe is arranged above the centrifugal turntable. The device has the beneficial effects of low energy consumption, high filtering efficiency, capability of meeting the requirement of applying biogas slurry to a drip irrigation system after treatment and the like.

An aperture assembly for use with a subsurface ejection vessel includes an electromagnet, a first dynamic aperture, a second dynamic aperture, a hollow shaft injection drill bit, a third dynamic aperture, collar perforations, and closed window apertures. The electromagnet actuates a closing of the first dynamic aperture. The electromagnet actuates an opening of the second dynamic aperture. The third dynamic aperture dynamically opens when triggered by a first pre-determined depth achievement counting by the encoder of the lead screw or distance traveled by a platform (505A) triggered by the limit switch that are communicated to the AI robot, the computer, and the PLC. The third dynamic aperture dynamically opens when the camera lens has a second pre-determined depth penetration of the hollow shaft injection drill bit and that the limit switch information is communicated to the computer, or the PLC.

The invention discloses an ancient tree rejuvenation device and method in the technical field of ancient tree rejuvenation. The ancient tree rejuvenation device comprises a ventilation pipe, ventilation holes are evenly formed in the outer wall of the ventilation pipe, the ventilation pipe is sleeved with a protection pipe, ventilation windows are evenly arranged on the outer wall of the protection pipe, and the space between the ventilation pipe and the protection pipe is filled with a ventilation protection layer; the top of the protection pipe is covered with a round hole top cover, and a protection cap is installed on the top of the ventilation pipe and used for guiding air. The ventilation holes of the inner ventilation pipe can be protected from being blocked by fine soil, and good ventilation performance is guaranteed; transverse shallow layer ventilation is achieved through the ventilation branch pipes, active pressure ventilation can be achieved through combined use of the ventilation branch pipes and the ventilation branch pipes, and the root system restoration and growth absorption effect is better; the quantitative slow-release effect of the nutrient solution is achieved, and adverse effects caused by excessive supplement are avoided.

The utility model relates to the field of sand planting, in particular to a sand moisture guiding device which comprises a cylindrical water guide pipe, a bottom support is arranged at the bottom of the water guide pipe, water guide holes are formed in the bottom support, a water guide layer and a water retention layer are arranged in the water guide pipe, and the water guide layer is located below the water retention layer. The water absorption force of the water guide layer and the water retention effect of the water retention layer are utilized, water in the wet sand layer is conveyed to the water retention layer, and necessary conditions are provided for seed germination and growth.