A rice planting and fertilizing device
Patent Information
- Application Number
- CN202522457541.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-20
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-11-20
AI Technical Summary
[0004]针对现有技术的不足,本实用新型提供了一种水稻种植用施肥设备,解决人工抛洒肥料过程中,作业效率低且容易出现肥料抛洒不均匀导致肥料利用率低造成资源浪费与种植成本增加的问题
[0020]一、通过弧形挥动施肥管与软管的灵活适配,使肥料抛洒范围扩大,工作人员单次移动可覆盖的面积提升,作业效率提升,通过将存肥斗“从小到大”的渐变容积设计,互补离心力导致的“近密远疏”问题,肥料分布均匀度得到提升,避免局部肥料堆积与不足,改善肥料浪费的弊端,显著降低种植成本,均匀性与利用率提升。
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Figure CN224891197U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rice fertilization technology, and in particular to a fertilization device for rice cultivation. Background Technology
[0002] Fertilization is a core factor affecting yield and quality throughout the entire rice growth cycle, especially during critical topdressing stages such as tillering and heading fertilizers after transplanting. These stages demand extremely high efficiency and precision in fertilization. Since large-scale fertilizer spreading equipment is generally not feasible in the fields during topdressing (as it could damage rice seedlings), manual fertilization is typically used. However, current rice fertilization equipment and manual operation methods still have many technical limitations, severely restricting the effectiveness of fertilization and planting efficiency, as detailed below.
[0003] Existing handheld fertilization tools mostly rely on "tilting" or "simple spreading" designs, with a spreading range of only 1 to 2 meters. Workers need to move frequently to cover the entire paddy field, resulting in low work efficiency. Furthermore, due to limitations in arm strength and spreading angle, fertilizer is prone to "dense near the point and sparse far away" distribution. Areas near the spreading point have fertilizer accumulation (which can easily lead to pests and diseases and delayed maturity), while areas far from the spreading point have insufficient fertilizer (fewer tillers and smaller grains). Low fertilizer utilization leads to resource waste and increased planting costs. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a fertilization device for rice cultivation, which solves the problems of low work efficiency and uneven fertilizer application during manual fertilizer application, resulting in low fertilizer utilization, resource waste, and increased planting costs.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A fertilizer application device for rice cultivation includes a fertilizer storage tank, a base fixedly installed at the bottom of the fertilizer storage tank, a discharge pipe extending through and fixedly installed at the bottom of the fertilizer storage tank, and a flexible hose fixedly installed at the lower end of the discharge pipe.
[0007] A fertilizer application pipe is fixedly installed at the other end of a flexible hose. Multiple fertilizer storage hoppers are fixedly installed through the outer wall of the fertilizer application pipe, and a discharge pipe is fixedly connected to the base.
[0008] A material-dispensing assembly is installed on the discharge pipe and is used to dispensing fertilizer inside the discharge pipe.
[0009] A mixing assembly, which is installed on a fertilizer storage tank and is used to mix the fertilizer inside the storage tank;
[0010] A sealing assembly is installed on the fertilizer pipe and controls the closing state of multiple fertilizer storage hopper openings.
[0011] Preferably, the feeding assembly includes:
[0012] A connecting rod is inserted through and slidably mounted on the inner wall of the discharge pipe. A material-pulling plate is provided in the middle of the inner hole of the discharge pipe. The material-pulling plate is fixedly connected to the connecting rod. A spring seat is fixedly mounted on the outer wall of the discharge pipe. A limit seat is fixedly mounted on the outer wall of one end of the connecting rod. The limit seat is slidably connected to the discharge pipe. A spring is provided in the inner hole of the spring seat. One end of the spring passes through the discharge pipe and is fixedly connected to the limit seat.
[0013] Preferably, the mixing assembly includes:
[0014] A stirring blade is rotatably mounted on the inner wall of the fertilizer storage tank. A folding handle is provided on the outer side of the fertilizer storage tank, and one end of the folding handle is fixedly connected to the shaft end of the stirring blade.
[0015] Preferably, the sealing assembly includes:
[0016] A sealing plate is disposed between the open ends of multiple fertilizer storage hoppers. Both ends of the sealing plate are rotatably mounted with fixed brackets. One end of each of the two fixed brackets is fixedly connected to a fertilizer application pipe. A torsion spring is sleeved on the outer wall of the shaft at one end of the sealing plate. The two ends of the torsion spring are fixed to the sealing plate and the fixed brackets, respectively. A crank is fixedly mounted on the shaft at one end of the sealing plate. A hand-operated sleeve is rotatably mounted on the outer wall of the other end of the crank.
[0017] Preferably, the plurality of fertilizer storage hoppers are linearly distributed, the opening ends of the plurality of fertilizer storage hoppers are flush, the width of the plurality of fertilizer storage hoppers is the same as the width of the sealing plate, and the length of the plurality of fertilizer storage hoppers increases from one end near the hose to the other.
[0018] Preferably, the outer wall of the base is provided with a traction rope, one end of which passes through the spring seat and is fixedly connected to the connecting rod. The fertilizer storage tank is cylindrical, and the stirring blade is symmetrical about the axis of the fertilizer storage tank.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] 1. By flexibly adapting the arc-shaped swirling fertilizer pipe and hose, the fertilizer spreading range is expanded, increasing the area that workers can cover with a single movement and improving work efficiency. Through the gradual volume design of the fertilizer storage hopper from small to large, the problem of "dense near and sparse far" caused by centrifugal force is compensated, the uniformity of fertilizer distribution is improved, avoiding local fertilizer accumulation and insufficient fertilizer, improving the drawbacks of fertilizer waste, significantly reducing planting costs, and improving uniformity and utilization rate. Attached Figure Description
[0021] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 2 This is a rear view of the overall structure of this utility model;
[0024] Figure 3 This is a cross-sectional view of the fertilizer storage tank in this utility model;
[0025] Figure 4 This is a schematic diagram of the regional structure of the fertilizer pipe in this utility model;
[0026] Figure 5 This is a cross-sectional view of the combined structure of the fertilizer application pipe and the fertilizer storage hopper in this utility model;
[0027] Figure 6 This is a cross-sectional view of the combined structure of the base, discharge pipe, and spring seat in this utility model.
[0028] Legend: 1. Fertilizer storage tank; 2. Traction rope; 3. Base; 4. Hose; 5. Fertilizer application pipe; 6. Fertilizer hopper; 7. Sealing plate; 8. Torsion spring; 9. Fixing bracket; 10. Crank; 11. Hand pull sleeve; 12. Discharge pipe; 13. Material feeding plate; 14. Connecting rod; 15. Limiting seat; 16. Spring seat; 17. Spring; 18. Folding handle; 19. Mixing blade. Detailed Implementation
[0029] This application provides a fertilization device for rice cultivation, which effectively solves the problems of low work efficiency and uneven fertilizer application during manual fertilizer application, resulting in low fertilizer utilization, resource waste, and increased planting costs.
[0030] Example
[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the technical solution in this application embodiment effectively solves the technical problems of low work efficiency and uneven fertilizer application during manual fertilizer spreading, resulting in low fertilizer utilization, resource waste, and increased planting costs. The overall idea is as follows:
[0032] In view of the problems existing in the prior art, this utility model provides a fertilizer application device for rice planting, including a fertilizer storage tank 1, a base 3 fixedly installed at the bottom of the fertilizer storage tank 1, a discharge pipe 12 passing through and fixedly installed at the bottom of the fertilizer storage tank 1, and a flexible hose 4 fixedly installed at the lower end of the discharge pipe 12.
[0033] Fertilizer pipe 5 is fixedly installed at the other end of hose 4, and multiple fertilizer storage hoppers 6 are fixedly installed through the outer wall of fertilizer pipe 5.
[0034] A material feeding assembly is installed on the discharge pipe 12 and is used to move the fertilizer inside the discharge pipe 12.
[0035] A mixing assembly is installed on the fertilizer storage tank 1 and is used to mix the fertilizer inside the fertilizer storage tank 1.
[0036] The sealing component is installed on the fertilizer pipe 5 and controls the closing state of the openings of multiple fertilizer storage hoppers 6.
[0037] Furthermore, the feeding assembly includes:
[0038] A connecting rod 14 is installed through and slidably on the inner wall of the discharge pipe 12. A material-pulling plate 13 is provided in the middle of the inner hole of the discharge pipe 12. The material-pulling plate 13 is fixedly connected to the connecting rod 14. A spring seat 16 is fixedly installed on the outer wall of the discharge pipe 12. A limit seat 15 is fixedly installed on the outer wall of one end of the connecting rod 14. The limit seat 15 is slidably connected to the discharge pipe 12. A spring 17 is provided in the inner hole of the spring seat 16. One end of the spring 17 passes through the discharge pipe 12 and is fixedly connected to the limit seat 15.
[0039] Furthermore, the mixing assembly includes:
[0040] A stirring blade 19 is rotatably mounted on the inner wall of the fertilizer storage tank 1. A folding handle 18 is provided on the outer side of the fertilizer storage tank 1, and one end of the folding handle 18 is fixedly connected to the shaft end of the stirring blade 19.
[0041] Furthermore, the sealing components include:
[0042] A sealing plate 7 is disposed between the open ends of multiple fertilizer storage hoppers 6. Both ends of the sealing plate 7 are rotatably mounted with fixed brackets 9. One end of each fixed bracket 9 is fixedly connected to the fertilizer pipe 5. A torsion spring 8 is sleeved on the outer wall of the shaft at one end of the sealing plate 7. The two ends of the torsion spring 8 are fixed to the sealing plate 7 and the fixed brackets 9 respectively. A crank 10 is fixedly mounted on the shaft at one end of the sealing plate 7. A hand pull sleeve 11 is rotatably mounted on the outer wall of the other end of the crank 10. The hand pull sleeve 11 is located on the side near the handle of the fertilizer pipe 5.
[0043] Furthermore, the multiple fertilizer storage hoppers 6 are linearly distributed, the opening ends of the multiple fertilizer storage hoppers 6 are flush, the width of the multiple fertilizer storage hoppers 6 is the same as the width of the sealing plate 7, and the length of the multiple fertilizer storage hoppers 6 increases from one end near the hose 4 to the other end.
[0044] Furthermore, the discharge pipe 12 passes through and is fixedly connected to the base 3.
[0045] Furthermore, a traction rope 2 is provided through the outer wall of the base 3, and one end of the traction rope 2 passes through the spring seat 16 and is fixedly connected to the connecting rod 14.
[0046] Furthermore, the fertilizer storage tank 1 is cylindrical, and the stirring blade 19 is symmetrical about the axis of the fertilizer storage tank 1.
[0047] in:
[0048] Fertilizer storage tank 1: cylindrical in shape (facilitating the rotation of the internal stirring blades without dead angles), with an openable and closable lid on the top (with a sealing structure to prevent fertilizer from getting damp and clumping), and an adjustable shoulder strap adapted to the outside of the tank body (not explicitly specified in the claims, but a conventional adapter component used for carrying by workers), with stirring blades 19 of the mixing assembly rotatably installed on the inner wall of the tank;
[0049] Traction rope 2: It is a high-strength nylon rope (3-5mm in diameter), one end of which passes through the outer wall of the base 3 and is fixed to the connecting rod 14, and the other end extends to the outside of the equipment for the operator to pull and operate;
[0050] Base 3: Fixed to the bottom of fertilizer storage tank 1, in the shape of a disc (the diameter is slightly larger than the bottom diameter of the fertilizer storage tank to enhance stability), the material is the same as the fertilizer storage tank, the center of base 3 is through and fixedly installed with discharge pipe 12 (the connection between discharge pipe 12 and base 3 is hot melt welding or threaded fixation to ensure a seal and no leakage), the outer wall of base 3 is through which traction rope 2 is installed (one end of traction rope extends to the outside of the equipment, and the other end is connected to the connecting rod 14 of the material feeding component for easy manual operation to clear the blockage), traction rope 2 is made of nylon rope;
[0051] Hose 4: Use an aging-resistant, flexible rubber or plastic hose (with an inner diameter consistent with the discharge pipe, a length of 1m to 1.2m, and the angle can be flexibly adjusted to meet the fertilization needs of different areas of the paddy field). Both ends are fixed to the lower end of the discharge pipe 12 and one end of the fertilizer pipe 5 by sleeve connection (sealing tape can be wrapped or clamps can be added to prevent fertilizer leakage).
[0052] Fertilizer tube 5: It is a lightweight rigid round tube (80-100cm in length, easy to hold and swing manually), one end is connected to and communicates with the hose 4, and the middle of the tube is provided with a non-slip handle (not explicitly marked in the claims, it is an ergonomic adaptation part to improve grip stability), and multiple fertilizer storage hoppers 6 are installed through and fixedly mounted on the outer wall.
[0053] Fertilizer hopper 6: Distributed linearly and evenly along the outer wall of fertilizer pipe 5, numbering 5 to 8, with flush opening ends (ensuring that the sealing plate 7 of the sealing component can cover all openings simultaneously), the width is exactly the same as that of the sealing plate 7 (to prevent material leakage), and the length gradually increases from one end near the hose 4 to the other (3 to 4 cm near the hose and 5 to 6 cm away from the hose, to compensate for uneven distribution caused by centrifugal force through volume difference), it is perpendicularly welded to the outer wall of fertilizer pipe 5 or integrally formed, and the internal cavity is connected to the inner hole of fertilizer pipe 5 (ensuring that fertilizer can flow from the fertilizer pipe into the fertilizer hopper).
[0054] Sealing plate 7: is a rigid metal or plastic plate (the length is the same as the total length of the fertilizer storage hoppers, and the width is the same as the width of the fertilizer storage hoppers), and is set between the opening ends of multiple fertilizer storage hoppers 6) to cover or open the opening of the fertilizer storage hoppers;
[0055] Torsion spring 8: It is sleeved on the outer wall of the pin at one end of the sealing plate 7, and its two ends are fixedly connected to the side wall of the sealing plate 7 and the inner wall of the fixed bracket 9 respectively. It achieves automatic reset of the sealing plate through elastic deformation (under normal conditions, the sealing plate covers the opening of the fertilizer storage hopper to prevent fertilizer leakage).
[0056] Fixed bracket 9: It is a stainless steel bracket (two in number, located at both ends of the sealing plate 7 respectively). One end is fixed to the outer wall of the fertilizer pipe 5 with bolts, and the other end is rotatably connected to both ends of the sealing plate (7) through a pin to provide rotational support for the sealing plate;
[0057] Crank 10: It is a short metal rod (5-8cm in length), one end of which is fixedly connected to the pin end of the sealing plate 7 with a torsion spring, and the other end extends to the vicinity of the handle of the fertilizer tube 5.
[0058] Hand-operated sleeve 11: It is a U-shaped metal tube with one end rotatably installed on the outer wall of the crank 10 away from the sealing plate, near the handle of the fertilizer pipe 5, so that the operator can easily hook and operate it with their fingers. By pulling, the crank is rotated, which in turn drives the sealing plate to flip and open the fertilizer storage hopper opening.
[0059] Discharge pipe 12: It is a rigid round pipe (made of PVC or ABS material, with an inner diameter of 3-5cm, suitable for the flow of granular fertilizer). The upper end vertically penetrates the bottom of the fertilizer storage tank 1 and communicates with the inside of the tank (the connection is sealed). The lower end extends to the bottom of the base 3 and connects with the hose 4. The material feeding plate 13 of the material feeding component is installed in the middle of the inner hole of the discharge pipe 12. The spring seat 16 is fixedly installed on the outer wall (the spring seat 16 is cylindrical and welded vertically to the outer wall of the discharge pipe to accommodate the spring 17).
[0060] Material-pulling plate 13: is a metal plate (diameter smaller than the inner diameter of the discharge pipe), which is fixedly installed at one end of the connecting rod 14 located inside the discharge pipe. It moves synchronously inside the discharge pipe with the sliding of the connecting rod and is used to pry apart clumps of fertilizer.
[0061] Connecting rod 14: It is a rigid metal rod that runs through and slides on the inner wall of the discharge pipe 12 (it can slide back and forth along the axis of the discharge pipe). One end extends to the outside of the discharge pipe and is fixedly connected to the traction rope 2, and the other end is located in the inner hole of the discharge pipe.
[0062] Limiting seat 15: It is a circular metal ring, which is fixedly sleeved on the outer wall of the end of the connecting rod 14 near the outside and is slidably connected to the outer wall of the discharge pipe 12. It is used to limit the sliding stroke of the connecting rod, avoid excessive displacement and provide support for the spring 17.
[0063] Spring seat 16: A cylindrical metal seat (with an inner diameter slightly larger than the diameter of spring 17), fixedly installed on the outer wall of discharge pipe 12, and coaxial with connecting rod 14.
[0064] Spring 17: Sleeves on the outside of connecting rod 14, located in the inner hole of spring seat 16, one end penetrates the outer wall of discharge pipe 12 and is fixedly connected to limit seat 15, and the other end is fixedly connected to the bottom of spring seat 16. The connecting rod is automatically reset through elastic deformation.
[0065] Folding handle 18: a foldable metal rod (15-20cm in length), one end of which is fixedly connected to the outer shaft end of the mixing blade 19 (folding can be achieved through a pin; when unfolded, it is parallel to the axis of the fertilizer storage tank, which facilitates the application of force; when folded, it fits against the outer wall of the fertilizer storage tank, reducing storage space). By rotating, it drives the mixing blade to rotate synchronously, thereby achieving fertilizer mixing.
[0066] Stirring blade 19: It is a metal or high-strength plastic blade (two blades, symmetrically distributed), with the axis of the fertilizer storage tank (1) as the center of symmetry, and is rotated and installed on the inner wall of the fertilizer storage tank 1 (the gap between the blade and the inner wall of the tank is ≤1cm to ensure no stirring dead angle), and the blade shaft end penetrates the side wall of the fertilizer storage tank and extends to the outside.
[0067] Working principle:
[0068] First, open the lid at the top of the fertilizer storage tank 1, then put the fertilizer to be mixed into the fertilizer storage tank 1 in a certain proportion, and close the lid. Then, by turning the folding handle 18 on the outside of the fertilizer storage tank 1, the folding handle 18 drives the stirring blade 19 to rotate and mix the fertilizer inside the fertilizer storage tank 1. At the same time, by designing the fertilizer storage tank 1 as a cylinder, the stirring blade 19 can fit more closely with the internal space of the fertilizer storage tank 1 during the stirring process, improving the stirring effect and making the mixture more uniform.
[0069] The second step, after mixing, involves using the shoulder straps on the fertilizer storage tank 1 to allow workers to carry it on their backs, avoiding hand lifting and reducing fatigue. By gripping the handle of the fertilizer applicator tube 5 and hooking the fingers onto the pull sleeve 11, the height of the fertilizer applicator tube 5 and hose 4 is lowered, allowing the fertilizer in the storage tank 1 to enter the hose 4 through the discharge pipe 12 and then slide down the hose 4 into the fertilizer applicator tube 5. As the fertilizer enters the fertilizer applicator tube 5, it gradually fills the internal cavities of the fertilizer hopper 6. The fertilizer applicator tube 5 can then be swung in an arc motion. During this swinging motion, hooking the fingers onto the pull sleeve 11 causes the crank 10 to rotate under the action of the pull sleeve 11. During this process, the torsion spring 8 will... When deformation occurs, the sealing plate 7 also flips, causing the opening of the fertilizer storage hopper 6 to open. This allows the fertilizer stored in the multiple fertilizer storage hoppers 6 to be thrown out under the action of centrifugal force. During the throwing process, it can be thrown further and cover a wider area. By storing fertilizer in multiple fertilizer storage hoppers 6, more fertilizer can be thrown out at once. Since the throwing trajectory is arc-shaped, there is less fertilizer in the farther away from the fertilizer being thrown out. At this time, by designing the volume of the multiple fertilizer storage hoppers 6 to be gradually varied, more fertilizer can be thrown out to the farther position, making the fertilizer being thrown out more evenly. When the finger of the hook pull sleeve 11 is released, the sealing plate 7 returns to its original position under the action of the elastic deformation of the torsion spring 8, so that the next filling and throwing of fertilizer can be carried out.
[0070] Third, if the fertilizer is obstructed when passing through the inner hole of the discharge pipe 12, the traction rope 2 can be pulled to move the connecting rod 14 and the material-pulling plate 13 to move the fertilizer in the inner hole of the discharge pipe 12. Then the traction rope 2 can be released to reset the connecting rod 14 under the pressure of the spring seat 16. This process can be repeated to clear the blockage of fertilizer in the inner hole of the discharge pipe 12 and improve the discharge efficiency.
[0071] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.
Claims
1. A fertilization device for rice cultivation, characterized in that, include: Fertilizer storage tank (1), with a base (3) fixedly installed at the bottom of the fertilizer storage tank (1), and a discharge pipe (12) passing through and fixedly installed at the bottom of the fertilizer storage tank (1), with a flexible hose (4) fixedly installed at the lower end of the discharge pipe (12). Fertilizer pipe (5), the fertilizer pipe (5) is fixedly installed at the other end of the hose (4), and multiple fertilizer storage hoppers (6) are installed through and fixedly installed on the outer wall of the fertilizer pipe (5). A material feeding assembly is installed on the discharge pipe (12) and is used to move the fertilizer inside the discharge pipe (12); A mixing assembly is installed on the fertilizer storage tank (1) and is used to mix the fertilizer inside the fertilizer storage tank (1); A sealing assembly is installed on the fertilizer pipe (5) and controls the closing state of the openings of multiple fertilizer storage hoppers (6).
2. The fertilization equipment for rice cultivation as described in claim 1, characterized in that, The feeding assembly includes: A connecting rod (14) is installed through and slidably on the inner wall of the discharge pipe (12). A material-pulling plate (13) is provided in the middle of the inner hole of the discharge pipe (12). The material-pulling plate (13) is fixedly connected to the connecting rod (14). A spring seat (16) is fixedly installed on the outer wall of the discharge pipe (12). A limit seat (15) is fixedly installed on the outer wall of one end of the connecting rod (14). The limit seat (15) is slidably connected to the discharge pipe (12). A spring (17) is provided in the inner hole of the spring seat (16). One end of the spring (17) passes through the discharge pipe (12) and is fixedly connected to the limit seat (15).
3. The fertilization equipment for rice cultivation as described in claim 1, characterized in that, The mixing assembly includes: A stirring blade (19) is rotatably mounted on the inner wall of the fertilizer storage tank (1). A folding handle (18) is provided on the outer side of the fertilizer storage tank (1). One end of the folding handle (18) is fixedly connected to the shaft end of the stirring blade (19).
4. The fertilization equipment for rice cultivation as described in claim 1, characterized in that, The blocking assembly includes: A sealing plate (7) is set between the open ends of multiple fertilizer storage hoppers (6). Both ends of the sealing plate (7) are rotatably mounted with fixed brackets (9). One end of each of the two fixed brackets (9) is fixedly connected to the fertilizer pipe (5). A torsion spring (8) is sleeved on the outer wall of the shaft of one end of the sealing plate (7). The two ends of the torsion spring (8) are fixed to the sealing plate (7) and the fixed brackets (9) respectively. A crank (10) is fixedly mounted on the shaft of one end of the sealing plate (7). A hand pull sleeve (11) is rotatably mounted on the outer wall of the other end of the crank (10). The hand pull sleeve (11) is located on the side near the handle of the fertilizer pipe (5).
5. The fertilization equipment for rice cultivation as described in claim 1, characterized in that: The multiple fertilizer storage hoppers (6) are linearly distributed, the opening ends of the multiple fertilizer storage hoppers (6) are flush, the width of the multiple fertilizer storage hoppers (6) is the same as the width of the sealing plate (7), and the length of the multiple fertilizer storage hoppers (6) increases from one end near the hose (4) to the other end.
6. The fertilization equipment for rice cultivation as described in claim 1, characterized in that: The discharge pipe (12) passes through and is fixedly connected to the base (3).
7. The fertilization equipment for rice cultivation as described in claim 1, characterized in that: The outer wall of the base (3) is provided with a traction rope (2), one end of which passes through the spring seat (16) and is fixedly connected to the connecting rod (14).
8. The fertilization equipment for rice cultivation as described in claim 3, characterized in that: The fertilizer storage tank (1) is cylindrical, and the stirring blade (19) is symmetrical about the axis of the fertilizer storage tank (1).