Agricultural planting fixed-point precision fertilization method

Abstract

The application relates to the technical field of fertilizing devices, in particular to an agricultural planting fixed-point precise fertilizing method, which comprises three steps of fertilizing preparation, drilling fertilizing and fertilizing backfilling, wherein the fertilizing backfilling comprises the following steps: after drilling is completed, a hydraulic push rod is driven to drive an auger to move upward and reset, an electric push rod is started to drive a fertilizing cylinder to slightly move upward, two blocking plates are separated, after the separation, the fertilizer falls into the drilled fertilizing hole, after the fertilizer completely falls, a driving motor is started again, the driving motor drives the auger to reverse, soil on the auger falls into the fertilizing hole, and the fertilizing hole is backfilled. Through the accurate control of the electric push rod and the synchronous gear, the fertilizing cylinder can accurately reach the predetermined fertilizing position, through the cooperation of the limiting rack and the synchronous gear, the accurate closure of the fertilizing cylinder is realized, the fertilizer is ensured to be applied only in the required position, and crops can more effectively absorb nutrients.

Description

Technical Field

[0001] This invention relates to the field of fertilization device technology, specifically a method for precise fertilization at fixed points in agricultural planting. Background Technology

[0002] Fertilization is an important means of providing crops with the nutrients they need in agricultural production. By fertilizing, nutrients in the soil can be replenished to meet the nutritional needs of crops during their growth process, promote healthy crop growth, and improve crop yield and quality. Currently, commonly used fertilization methods include strip application, hole application, and ring application.

[0003] Taking hole application as an example, most fertilizer application is done manually by digging holes. However, it is difficult to accurately control the amount and location of fertilizer application by manual operation. This can easily lead to fertilizer being applied to areas that the crop roots cannot reach, reducing fertilizer utilization and affecting crop growth. In addition, the fertilizer holes need to be backfilled manually after fertilization, which is a lot of work and has low efficiency.

[0004] Therefore, those skilled in the art provide a method for precise fertilization at designated locations in agricultural planting to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this invention is to provide a method for precise fertilization at fixed points in agricultural planting, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A method for precise fertilization at designated locations in agricultural planting includes the following steps:

[0008] The device is moved to a suitable position and fixed by a mobile vehicle. After it is fixed, multiple electric push rods are activated to drive the fertilizer cylinder to contact the ground. During the downward movement of the fertilizer cylinder, two baffles are closed to seal the bottom of the fertilizer cylinder.

[0009] Start the hydraulic push rod and drive motor. The drive motor drives the auger to rotate, and the hydraulic push rod drives the auger to move down to drill holes. During this process, fertilizer gradually enters the fertilizer cylinder in preparation for fertilization.

[0010] After drilling is completed, the hydraulic push rod drives the auger to move upward and reset. The electric push rod is then started to move the fertilizer cylinder slightly upward, causing the two baffles to separate. After separation, the fertilizer falls into the drilled fertilizer hole. Once the fertilizer has completely fallen, the drive motor is started again, causing the drive motor to reverse the auger, causing the soil on the auger to fall into the fertilizer hole for backfilling.

[0011] Preferably, the mobile vehicle is equipped with a support frame on its top, and a storage component for storing fertilizer is installed on the support frame. A fertilizer application component for applying fertilizer is also slidably connected to the mobile vehicle. The fertilizer application component is equipped with an adjustment component for controlling the fertilizer to fall. The fertilizer application component is also equipped with a drilling component for assisting fertilizer application inside.

[0012] Multiple electric push rods are mounted on the top of the mobile vehicle, and a synchronization plate is mounted on the top of the multiple electric push rods. The fertilizer application component is fixedly connected to the synchronization plate.

[0013] The top of the mobile vehicle is also equipped with an L-shaped fixing plate, which is installed on one side of the synchronization plate. The hydraulic push rod is fixedly installed on the L-shaped fixing plate, and the output end of the hydraulic push rod is fixed to the drilling assembly inside the fertilizer application assembly.

[0014] Preferably, the fertilization assembly includes a fertilizer cylinder, a limiting groove is formed on the surface of the fertilizer cylinder near the bottom, the adjusting assembly is slidably connected in the limiting groove, the inner wall of the fertilizer cylinder and the outer wall of the drilling assembly form a fertilizer cavity, a feeding disc is rotatably connected to the bottom of the fertilizer cylinder, a feeding port is formed on the feeding disc, the top of the feeding disc is an inclined surface and the inclined surface is inclined towards the feeding port, and a first bevel gear fixed to the feeding disc is rotatably connected to the outer surface.

[0015] The drilling assembly is located inside the fertilizer cylinder. The drilling assembly includes an isolation cylinder. The auger is located in the isolation cylinder. Two connecting plates are slidably connected to the top of the isolation cylinder. The drive motor is installed between the two connecting plates. The output end of the drive motor is fixed to the top of the auger through a coupling. The connecting plate near the top is fixed to a hydraulic push rod on an L-shaped fixed plate.

[0016] Preferably, the adjusting component includes two baffles, both of which are slidably connected to the fertilizer cylinder, and the inner diameter of the two baffles is the same as the diameter of the isolation cylinder. A connecting block is installed at one end of each of the two baffles, and a synchronous rack is fixedly connected to the side of each connecting block away from the baffle.

[0017] Preferably, the adjusting assembly further includes a first synchronous gear, which is disposed between two synchronous racks and meshes with the two synchronous racks respectively. A connecting shaft is fixedly connected to the side of the first synchronous gear near the fertilizer cylinder. The adjusting assembly further includes a second bevel gear, which is mounted on the connecting shaft and meshes with the first bevel gear. A connecting rod is provided at the end of the second bevel gear near the fertilizer cylinder, and the connecting rod rotates on the fertilizer cylinder with a fixed axis.

[0018] The bottom of the mobile vehicle is also equipped with an adjustment plate, and a sliding cavity is opened on the adjustment plate. A synchronization shaft is installed on the side of the first synchronization gear near the sliding cavity, and the synchronization shaft is slidably connected to the sliding cavity.

[0019] Preferably, a second synchronous gear is also installed at the other end of the synchronous shaft, and a limiting rack that meshes with the second synchronous gear is installed on the other side of the adjusting plate.

[0020] Preferably, the storage assembly includes a storage box, the top of which is provided with a feeding port, and the bottom of which is provided with a discharge port. A conveying hose is connected to the discharge port, and the other end of the conveying hose is connected to the fertilization chamber inside the fertilizer cylinder.

[0021] Preferably, an agitator is rotatably connected to the inner wall of the storage bin, and multiple evenly distributed tapping plates are installed on the agitator. A servo motor is also installed in the inner wall of one side of the storage bin, and the output end of the servo motor is fixed to one end of the agitator via a coupling.

[0022] The coupling is also equipped with a first synchronous pulley, and a feeding wheel is rotatably connected to the discharge port of the storage box. One end of the feeding wheel is fixedly connected to a second synchronous pulley. A transmission belt is sleeved between the first synchronous pulley and the second synchronous pulley, and the first synchronous pulley and the second synchronous pulley are connected by transmission belt.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. In use, during fertilization, the synergistic action of the electric and hydraulic push rods allows the fertilizer cylinder to precisely control the fertilization depth and position. The bottom of the fertilizer cylinder is designed with a slope, so when the baffle plate is opened, the fertilizer can fall smoothly into the conveying tray, achieving targeted fertilizer delivery. At the same time, through the meshing transmission of two bevel gears, the fertilizer is evenly delivered into the fertilization hole through the conveying port. This design not only improves the accuracy of fertilization but also avoids fertilizer waste and soil pollution. After fertilization, the drive motor drives the auger to reverse, refilling the soil generated during drilling back into the hole. The automated backfilling process reduces manual labor and helps to quickly restore the soil surface.

[0025] 2. This invention, through precise control of the electric push rod and synchronous gear, ensures that the fertilizer cylinder accurately reaches the predetermined fertilization position. Furthermore, through the cooperation of the limiting rack and synchronous gear, the fertilizer cylinder is precisely sealed, ensuring that the fertilizer is applied only to the required location. This allows crops to absorb nutrients more effectively, thereby promoting healthy crop growth and improving crop yield and quality. Attached Figure Description

[0026] Figure 1This is a flowchart of the present invention;

[0027] Figure 2 This is a first-view schematic diagram of the present invention;

[0028] Figure 3 This is a schematic diagram of the fertilization component and the regulating plate in this invention;

[0029] Figure 4 This is a partial structural diagram of the adjusting plate and fertilization component in this invention;

[0030] Figure 5 This is a partial structural diagram of the adjustment component in this invention;

[0031] Figure 6 This is a schematic diagram of the structure of the other side of the adjustment plate in this invention;

[0032] Figure 7 This is an internal cross-sectional view of the fertilizer application cylinder in this invention;

[0033] Figure 8 This is an internal cross-sectional view of the storage bin in this invention;

[0034] Figure 9 This is a schematic diagram of the internal structure of the storage bin in this invention.

[0035] In the diagram: 1. Mobile vehicle; 11. Support frame; 12. L-shaped fixed plate; 13. Electric push rod; 14. Synchronizing plate; 15. Hydraulic push rod; 2. Material storage assembly; 21. Material storage box; 22. Feeding wheel; 23. Stirring rod; 24. Beating plate; 25. Servo motor; 26. First synchronous pulley; 27. Second synchronous pulley; 28. Transmission belt; 3. Fertilizer application assembly; 31. Fertilizer cylinder; 32. Isolation cylinder; 33. Screwdriver; 34. Fertilizer application chamber; 35. Connecting plate; 36. Drive motor; 37. First bevel gear; 38. Feeding disc; 39. Feeding port; 4. Feeding hose; 5. Adjusting plate; 51. Sliding chamber; 52. Limiting rack; 6. Adjusting assembly; 61. Barrier plate; 62. Connecting block; 63. Synchronizing rack; 64. First synchronous gear; 65. Second synchronous gear; 66. Second bevel gear. Detailed Implementation

[0036] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0037] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0038] Example 1, please refer to Figure 1-9 The present invention provides a method for precise fertilization of agricultural planting sites, as follows: When in use, after fertilizer is added to the storage box 21 through the feeding port, the servo motor 25 inside the storage box 21 is started, so that the servo motor 25 drives the stirring rod 23 to rotate. Multiple tapping plates 24 on the stirring rod 23 continuously tap the fertilizer under the rotation of the stirring rod 23, breaking up the clumps of fertilizer. The entire device is then moved to the location where fertilization is needed and fixed by the moving vehicle 1.

[0039] Multiple electric push rods 13 are activated, causing the synchronous plate 14 to move downwards, thereby moving the fertilizer cylinder 31 downwards until its bottom contacts the ground. Simultaneously, the second synchronous gear 65 gradually engages with the limiting rack 52 and rotates under its action. The first synchronous gear 64 rotates synchronously under the drive of the second synchronous gear 65. The two synchronous racks 63, meshing with the second synchronous gear 65, slide towards each other, causing the two barrier plates 61 to gradually move closer together. When the cylinder 32 comes into contact with the fertilizer cylinder 31, the hydraulic push rod 15 and the drive motor 36 are activated, causing the drive motor 36 to drive the auger 33 to rotate. At the same time, the hydraulic push rod 15 pushes the connecting plate 35 to move downward along the inner wall of the isolation cylinder 32, causing the auger 33 to move downward to drill a hole. When the drilling depth reaches the predetermined depth, the drive motor 36 is turned off, and the hydraulic push rod 15 is driven to move the connecting plate 35 and the auger 33 upward to reset. When the auger 33 moves upward, the soil generated during drilling is brought into the isolation cylinder 32 for temporary storage.

[0040] After the isolation cylinder 32 completes drilling, the electric push rod 13 is activated, causing the fertilizer cylinder 31 to move slightly upward. The second synchronous gear 65 rotates in the opposite direction under the action of the limiting rack 52, causing the first synchronous gear 64 to drive the two synchronous racks 63 to move in a direction away from each other, opening the two baffles 61 and allowing the fertilizer to fall onto the conveying plate 38. When the first synchronous gear 64 rotates, it simultaneously drives the second bevel gear 66 to rotate, which in turn drives the first bevel gear 37 to rotate, causing the first bevel gear 37 to drive the conveying plate 38 to rotate, allowing the fertilizer to fall evenly into the drilled fertilizer hole through the conveying port 39. After the fertilizer is added, the drive motor 36 is activated again, causing the drive motor 36 to drive the auger 33 to reverse, allowing the soil on the auger 33 to fall back into the drill hole for backfilling.

[0041] Example 2, please refer to Figure 1-9 The present invention also provides related equipment for a method of fixed-point precision fertilization in agricultural planting, including a mobile vehicle 1, a support frame 11 installed on the top of the mobile vehicle 1, a storage component 2 for storing fertilizer installed on the support frame 11, a fertilization component 3 for fertilization slidably connected to the mobile vehicle 1, an adjustment component 6 for controlling the falling of fertilizer on the fertilization component 3, a drilling component for assisting fertilization inside the fertilization component 3, a plurality of electric push rods 13 installed on the top of the mobile vehicle 1, a synchronization plate 14 installed on the top of the plurality of electric push rods 13, the fertilization component 3 fixedly connected to the synchronization plate 14, an L-shaped fixing plate 12 installed on the top of the mobile vehicle 1, the L-shaped fixing plate 12 installed on one side of the synchronization plate 14, a hydraulic push rod 15 installed on the top of the L-shaped fixing plate 12, the output end of the hydraulic push rod 15 being fixed to the drilling component inside the fertilization component 3;

[0042] When fertilization is required, the entire device is first moved to the location where fertilization is required by the mobile vehicle 1 and fixed. After it is fixed, multiple electric push rods 13 are started, which drive the synchronous plate 14 to move downward, thereby driving the fertilization component 3 to move downward, so that the bottom of the fertilization component 3 contacts the ground.

[0043] Once the fertilization component 3 is fully in contact with the ground, turn off the electric push rod 13 and start the hydraulic push rod 15. The hydraulic push rod 15 will drive the drilling component to drill a fertilization hole downwards. After the hole is drilled, the hydraulic push rod 15 will drive the drilling component to reset and store the drilled soil in the fertilization component 3. At this time, the fertilization component 3 will fertilize. After the fertilization is completed, the drilling component will pour the soil stored in the fertilization component 3 back into the drilled fertilization hole to backfill the fertilization hole.

[0044] By using borehole fertilization, the precision of fertilization and the utilization rate of fertilizer can be greatly increased, and fertilizer waste can be reduced.

[0045] Example 3, please refer to Figure 2 , Figure 3 and Figure 7 The fertilization component 3 includes a fertilizer cylinder 31. A limiting groove is formed on the surface of the fertilizer cylinder 31 near the bottom. An adjusting component 6 is slidably connected in the limiting groove. The inner wall of the fertilizer cylinder 31 and the outer wall of the drilling component form a fertilizer cavity 34. A feeding disc 38 is rotatably connected to the bottom of the fertilizer cylinder 31. A feeding port 39 is formed on the feeding disc 38. The top of the feeding disc 38 is a slope, and the slope direction is towards the feeding port 39. A first bevel gear 37 fixed to the feeding disc 38 is rotatably connected to the outer surface of the 31. The drilling component is set inside the fertilizer cylinder 31. The drilling component includes an isolation cylinder 32. An auger 33 is set inside the isolation cylinder 32. Two connecting plates 35 are slidably connected to the top of the isolation cylinder 32. A drive motor 36 is installed between the two connecting plates 35. The output end of the drive motor 36 is fixed to the top of the auger 33 through a coupling. The connecting plate 35 near the top is fixed to the hydraulic push rod 15 on the L-shaped fixed plate 12.

[0046] During fertilization, when the synchronous plate 14 moves downward, it simultaneously drives the fertilizer cylinder 31 downward, so that the bottom of the fertilizer cylinder 31 and the auger 33 contact the ground. The hydraulic push rod 15 and the drive motor 36 are activated, so that the drive motor 36 drives the auger 33 to rotate. At the same time, the hydraulic push rod 15 pushes the connecting plate 35 downward along the inner wall of the isolation cylinder 32, so that the auger 33 moves downward to drill a hole. When the drilling depth reaches the predetermined depth, the drive motor 36 is turned off, and the hydraulic push rod 15 drives the connecting plate 35 and the auger 33 to move upward to reset. When the auger 33 moves upward, the soil generated by drilling is brought into the isolation cylinder 32 for temporary storage. After the fertilizer is added, the drive motor 36 is activated again, so that the drive motor 36 drives the auger 33 to reverse, so that the soil on the auger 33 falls back into the drill hole for backfilling.

[0047] By setting the drive motor 36 to drive the auger 33 to reverse, the soil generated during drilling is refilled back into the hole, which realizes automated backfilling, greatly reduces manual labor, increases work efficiency, and helps to quickly restore the soil surface.

[0048] Example 4, please refer to Figure 2-7The adjusting component 6 includes two baffle plates 61, which are slidably connected to the fertilizer cylinder 31. The inner diameter of the two baffle plates 61 is the same as the diameter of the isolation cylinder 32. A connecting block 62 is installed at one end of each of the two baffle plates 61. A synchronous rack 63 is fixedly connected to the side of each connecting block 62 away from the baffle plate 61. The adjusting component 6 also includes a first synchronous gear 64, which is disposed between the two synchronous racks 63 and meshes with each of the two synchronous racks 63. A connecting shaft is fixedly connected to the side of the first synchronous gear 64 near the fertilizer cylinder 31. The adjusting component 6 also includes... The system includes a second bevel gear 66, which is mounted on a connecting shaft and meshes with a first bevel gear 37. A connecting rod is provided at one end of the second bevel gear 66 near the fertilizer cylinder 31, and the connecting rod rotates on the fertilizer cylinder 31 with its axis fixed. An adjusting plate 5 is also installed at the bottom of the mobile vehicle 1. A sliding cavity 51 is provided on the adjusting plate 5. A synchronous shaft is installed on one side of the first synchronous gear 64 near the sliding cavity 51. The synchronous shaft is slidably connected to the sliding cavity 51. A second synchronous gear 65 is also installed at the other end of the synchronous shaft. A limiting rack 52 that meshes with the second synchronous gear 65 is installed on the other side of the adjusting plate 5.

[0049] In the initial position, the first synchronous gear 64 and the synchronous shaft are located at a high position on the sliding cavity 51, and the two baffles 61 are not in contact with the isolation cylinder 32. When the synchronous plate 14 drives the fertilizer cylinder 31 to move downward, the fertilizer cylinder 31 simultaneously drives the synchronous shaft and the first synchronous gear 64 to move downward. When the second synchronous gear 65 at the other end of the first synchronous gear 64 moves downward, it gradually contacts the limiting rack 52 and rotates under the action of the limiting rack 52. The first synchronous gear 64 rotates synchronously under the drive of the second synchronous gear 65. The two synchronous racks 63 that mesh with the second synchronous gear 65 slide towards each other, so that the two baffles 61 gradually contact the isolation cylinder 32 and seal the fertilizer cylinder 31.

[0050] When the fertilizer cylinder 31 is closed, the fertilizer in the storage component 2 enters the fertilizer cavity 34 formed between the fertilizer cylinder 31 and the isolation cylinder 32, ready for fertilization;

[0051] After the isolation cylinder 32 has been drilled, the electric push rod 13 is activated, causing the electric push rod 13 to move the fertilizer cylinder 31 slightly upward. The second synchronous gear 65 rotates in the opposite direction under the action of the limiting rack 52, causing the first synchronous gear 64 to drive the two synchronous racks 63 to move in a direction away from each other, so that the two baffles 61 open and the fertilizer falls onto the conveying plate 38. When the first synchronous gear 64 rotates, it simultaneously drives the second bevel gear 66 to rotate. The second bevel gear 66 drives the first bevel gear 37 to rotate, which in turn drives the conveying plate 38 to rotate, so that the fertilizer falls evenly into the drilled fertilizer hole through the conveying port 39.

[0052] When fertilization is performed again, the fertilizer cylinder 31 moves down and drives the two baffle plates 61 to seal the bottom of the fertilizer cylinder 31, so that the fertilizer falls into the fertilizer chamber 34 in preparation for fertilization.

[0053] Example 5, please refer to Figure 2 , Figure 8 and Figure 9 The storage assembly 2 includes a storage box 21. The top of the storage box 21 is provided with a feeding port, and the bottom of the storage box 21 is provided with a discharge port. A conveying hose 4 is connected to the discharge port. The other end of the conveying hose 4 is connected to the fertilization chamber 34 inside the fertilizer cylinder 31. An agitator 23 is rotatably connected to the inner wall of the storage box 21. Multiple evenly distributed tapping plates 24 are installed on the agitator 23. A servo motor 25 is also installed in the inner wall of one side of the storage box 21. The output end of the servo motor 25 is fixed to one end of the agitator 23 through a coupling. A first synchronous pulley 26 is also installed on the coupling. A discharge wheel 22 is rotatably connected to the discharge port of the storage box 21. A second synchronous pulley 27 is fixedly connected to one end of the discharge wheel 22. A transmission belt 28 is sleeved between the first synchronous pulley 26 and the second synchronous pulley 27. The first synchronous pulley 26 and the second synchronous pulley 27 are connected by transmission belt 28.

[0054] When in use, after the fertilizer is added into the storage box 21 through the feeding port, the servo motor 25 inside the storage box 21 is started, which drives the stirring rod 23 to rotate. The multiple tapping plates 24 on the stirring rod 23 continuously tap the fertilizer under the rotation of the stirring rod 23, breaking up the clumps of fertilizer and preventing the fertilizer from accumulating in the storage box 21 and not falling out.

[0055] At the same time, when the stirring rod 23 rotates, the first synchronous wheel 26 and the transmission belt 28 simultaneously drive the second synchronous wheel 27 to rotate, so that the second synchronous wheel 27 drives the feeding wheel 22 to rotate, and feeds the fertilizer in the storage box 21 into the fertilizer application chamber 34 through the feeding hose 4 for fertilization.

[0056] By setting the feeding roller 22, it can be ensured that the amount of fertilizer falling each time is basically the same, and at the same time, it can be avoided that fertilizer accumulates at the discharge port and causes blockage.

[0057] When no fertilizer is applied, the end of the fertilizer cylinder 31 located at the fertilizer delivery hose 4 is higher than the end of the storage box 21. Therefore, fertilizer cannot enter the fertilizer chamber 34 through the fertilizer delivery hose 4. When fertilizer is needed, the fertilizer cylinder 31 gradually moves down. When the fertilizer cylinder 31 is fully moved into place, the end of the fertilizer delivery hose 4 located at the storage box 21 is higher than the end of the fertilizer cylinder 31. At this time, fertilizer can smoothly enter the fertilizer chamber 34. After fertilization is completed, the stirring rod 23 and the feeding wheel 22 stop rotating, and fertilizer cannot fall. At the same time, the fertilizer cylinder 31 moves up again to further ensure that fertilizer cannot fall out.

[0058] It should be noted that all the devices in this application are common devices on the market, and can be selected according to the needs of specific use. The circuit connection relationship of each device is a simple series and parallel connection circuit. There is no innovation in the circuit connection part. Those skilled in the art can easily implement it. It belongs to the prior art and will not be described in detail.

[0059] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A method for precise fertilization at fixed points in agricultural planting, characterized in that, The equipment is applied to fertilization equipment, which includes a mobile vehicle (1), a support frame (11) is installed on the top of the mobile vehicle (1), a storage component (2) for storing fertilizer is installed on the support frame (11), a fertilization component (3) for fertilization is slidably connected to the mobile vehicle (1), an adjustment component (6) for controlling the falling of fertilizer is provided on the fertilization component (3), and a drilling component for assisting fertilization is also provided inside the fertilization component (3). Multiple electric push rods (13) are installed on the top of the mobile vehicle (1), and a synchronization plate (14) is installed on the top of the multiple electric push rods (13). The fertilizer application component (3) is fixedly connected to the synchronization plate (14). The top of the mobile vehicle (1) is also equipped with an L-shaped fixing plate (12), which is installed on one side of the synchronous plate (14). The hydraulic push rod (15) is fixedly installed on the L-shaped fixing plate (12), and the output end of the hydraulic push rod (15) is fixed to the drilling assembly in the fertilizer assembly (3). The fertilization assembly (3) includes a fertilizer cylinder (31). A limiting groove is provided on the surface of the fertilizer cylinder (31) near the bottom. The adjustment assembly (6) is slidably connected in the limiting groove. The inner wall of the fertilizer cylinder (31) and the outer wall of the drilling assembly form a fertilizer cavity (34). A feeding disc (38) is rotatably connected to the bottom of the fertilizer cylinder (31). A feeding port (39) is provided on the feeding disc (38). The top of the feeding disc (38) is an inclined surface, and the inclined surface is inclined towards the feeding port (39). A first bevel gear (37) fixed to the feeding disc (38) is rotatably connected to the outer surface of the fertilizer cylinder (31). The drilling assembly is located inside the fertilizer cylinder (31). The drilling assembly includes an isolation cylinder (32) and an auger (33) is located in the isolation cylinder (32). Two connecting plates (35) are slidably connected to the top of the isolation cylinder (32). A drive motor (36) is installed between the two connecting plates (35). The output end of the drive motor (36) is fixed to the top of the auger (33) through a coupling. The connecting plate (35) near the top is fixed to the hydraulic push rod (15) on the L-shaped fixing plate (12). The adjustment assembly (6) further includes a first synchronous gear (64), which is disposed between two synchronous racks (63) and meshes with the two synchronous racks (63) respectively. A connecting shaft is fixedly connected to the side of the first synchronous gear (64) near the fertilizer cylinder (31). The adjustment assembly (6) further includes a second bevel gear (66), which is mounted on the connecting shaft and meshes with the first bevel gear (37). A connecting rod is provided at the end of the second bevel gear (66) near the fertilizer cylinder (31), and the connecting rod rotates on the fertilizer cylinder (31) with a fixed axis. The bottom of the mobile vehicle (1) is also equipped with an adjustment plate (5), and a sliding cavity (51) is provided on the adjustment plate (5). A synchronous shaft is installed on the side of the first synchronous gear (64) near the sliding cavity (51), and the synchronous shaft is slidably connected to the sliding cavity (51). The adjustment component (6) includes two baffles (61), both baffles (61) are slidably connected to the fertilizer cylinder (31), and the inner diameter of the two baffles (61) is the same as the diameter of the isolation cylinder (32); A connecting block (62) is installed at one end of each of the two barrier plates (61), and a synchronous rack (63) is fixedly connected to the side of each connecting block (62) away from the barrier plate (61). The other end of the synchronous shaft is also equipped with a second synchronous gear (65), and the other side of the adjusting plate (5) is equipped with a limiting rack (52) that meshes with the second synchronous gear (65). The fertilization method includes the following steps: S1. Fertilizer preparation: Move the device to a suitable position and fix it by using a mobile vehicle (1). After fixing it, start multiple electric push rods (13) to drive the fertilizer cylinder (31) to contact the ground. During the downward movement of the fertilizer cylinder (31), the two baffles (61) will close to seal the bottom of the fertilizer cylinder (31). S2, Drilling and Fertilizing: Start the hydraulic push rod (15) and drive motor (36). Drive the auger (33) to rotate through the drive motor (36). Drive the auger (33) to move down and drill holes through the hydraulic push rod (15). During this process, fertilizer gradually enters the fertilizer cylinder (31) to prepare for fertilization. S3. Fertilization and backfilling: After drilling is completed, drive the hydraulic push rod (15) to move the auger (33) upward and reset it. Start the electric push rod (13) to move the fertilizer cylinder (31) slightly upward, so that the two baffles (61) separate. After separation, the fertilizer falls into the drilled fertilizer hole. After the fertilizer has completely fallen, start the drive motor (36) again, so that the drive motor (36) drives the auger (33) to reverse, so that the soil on the auger (33) falls into the fertilizer hole and backfills the fertilizer hole.

2. The method for precise fertilization of agricultural planting according to claim 1, characterized in that: The storage assembly (2) includes a storage box (21), the top of which is provided with a feeding port, and the bottom of which is provided with a discharge port. A conveying hose (4) is connected to the discharge port, and the other end of the conveying hose (4) is connected to the fertilizer chamber (34) inside the fertilizer cylinder (31).

3. The method for precise fertilization of agricultural planting according to claim 2, characterized in that: A stirring rod (23) is rotatably connected to the inner wall of the storage box (21). Multiple evenly distributed tapping plates (24) are installed on the stirring rod (23). A servo motor (25) is also installed in the inner wall on one side of the storage box (21). The output end of the servo motor (25) is fixed to one end of the stirring rod (23) through a coupling. The coupling is also equipped with a first synchronous pulley (26), and a feeding wheel (22) is rotatably connected to the discharge port of the storage box (21). One end of the feeding wheel (22) is fixedly connected to a second synchronous pulley (27). A transmission belt (28) is sleeved between the first synchronous pulley (26) and the second synchronous pulley (27). The first synchronous pulley (26) and the second synchronous pulley (27) are connected by transmission belt (28).

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