Device for reducing external interference on plants and preventing plants from lodging in pot experiment

Abstract

The utility model discloses a device for reducing external interference and preventing lodging of a plant in a potting test, which comprises a planting pot, planting soil is arranged in the planting pot, a self-adaptive embedding mechanism is arranged on the inner wall of the planting pot, three slender rods are arranged on the self-adaptive embedding mechanism, a plurality of small through holes are formed in each slender rod, and the three slender rods are arranged in the planting pot. A plurality of annular iron wires are fixedly installed on the three slender rods, the annular iron wires penetrate through small through holes in the slender rods to connect the three slender rods, square gauze is arranged on the three slender rods, and the square gauze surrounds the three slender rods by a circle and is connected to the annular iron wires and the slender rods through needles and threads. The upper side of the square gauze is connected to the annular iron wire through needles and threads, and the lower side of the square gauze naturally droops to the surface of the upper side of the planting soil. The device can be used on different types of planting pots, is wide in application range, is simple to install, is provided with a regular fertilization device, and can directly apply fertilizer through an external controller when the fertilizer needs to be applied.

Description

Technical Field

[0001] The utility model relates to the technical field of potted plant cultivation, in particular to a device for reducing the interference of plants in potted plant experiments from the outside world and preventing lodging. Background Technique

[0002] Potted plant experiments are important research methods in plant protection research. They can not only accurately control factors such as temperature, moisture, and soil in the experiment, but also are easy to carry out treatments such as insect inoculation and disease inoculation. However, plants may be interfered by the outside world or other potted plants during the growth process, such as being eaten by animals such as insects and birds. In addition, in potted plant experiments that need to avoid pest infestation in the natural state, a protection device is particularly needed. Lodging refers to the phenomenon that plants that should grow upright are skewed during the growth process and even the whole plant lies prostrate on the ground, disrupting the spatial distribution of leaves and affecting the photosynthesis of the plant. In potted plant experiments, the two often occur simultaneously.

[0003] Patent No. CN202120690332.2 proposes an anti-interference device for potted plant experiments. The height of the transparent cover can be adjusted through the set lifting and positioning components, and then adjusted according to the growth conditions of the plants. The transparent cover and the extension cover can transmit light, and the set gauze can allow air permeability and effectively isolate the influence of other plants. It can only be used on specific planting pots, and the applicable range is not wide. There is no regular fertilization device. When fertilization is needed, the transparent cover needs to be opened for fertilization. Therefore, those skilled in the art provide a device for reducing the interference of plants in potted plant experiments from the outside world and preventing lodging to solve the problems that the anti-interference device for potted plant experiments can only be used on specific planting pots, the applicable range is not wide, there is no regular fertilization device, and the transparent cover needs to be opened for fertilization when fertilization is needed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a device for reducing the interference of plants in potted plant experiments from the outside world and preventing lodging to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A device for reducing external interference and preventing lodging of plants in a pot experiment, comprising a planting pot, wherein planting soil is arranged in the planting pot, an adaptive embedding mechanism is installed on the inner wall of the planting pot, three thin rods are installed on the adaptive embedding mechanism, each of the thin rods has a plurality of through holes, a plurality of annular iron wires are fixedly installed on the three thin rods, the annular iron wires pass through the through holes on the thin rods to connect the three thin rods, a square gauze is arranged on the three thin rods, the square gauze surrounds the three thin rods for one week and is connected to the annular iron wires and the thin rods by sewing, the upper side of the square gauze is connected to the annular iron wire by sewing, and the lower side of the square gauze naturally hangs to the upper surface of the planting soil.

[0007] As a further scheme of the utility model: the adaptive embedding mechanism comprises: a special-shaped fixing block, a special-shaped sliding groove, a main sliding rod, a connecting plate, a main spring, a main slider, a secondary sliding rod, a secondary spring and a secondary slider, the special-shaped fixing block is arranged on the upper surface of the planting soil, the special-shaped sliding groove is fixedly installed on the side wall of the special-shaped fixing block, the main sliding rod is slidably connected to the special-shaped fixing block, the connecting plate is slidably connected to one end of the main sliding rod away from the special-shaped fixing block, one end of the main spring away from the special-shaped fixing block is fixedly connected to the main sliding rod, one end of the main spring close to the special-shaped fixing block is closely attached to the connecting plate, the main slider is fixedly installed at one end of the main sliding rod close to the special-shaped fixing block, the main slider is slidably connected to the special-shaped sliding groove, the secondary sliding rod is slidably connected to the connecting plate, one end of the secondary spring away from the special-shaped fixing block is fixedly connected to the secondary sliding rod, one end of the secondary spring close to the special-shaped fixing block is closely attached to the connecting plate, and the secondary slider is fixedly installed at one end of the secondary sliding rod close to the special-shaped fixing block.

[0008] As a further scheme of the utility model: a plurality of the adaptive embedding mechanisms can be connected to each other to form a closed loop, which is beneficial to adapting to different types of planting pots.

[0009] As a further scheme of the utility model: an angle adjusting mechanism is installed on the special-shaped fixing block.

[0010] As a further scheme of the utility model: the angle adjusting mechanism comprises: a base bracket, a transparent angle scale, a rotating bracket, a pointer and an adjusting screw, the base bracket is fixedly installed on the special-shaped fixing block, the transparent angle scale is fixedly installed on one side of the base bracket, the rotating bracket is rotatably connected to the base bracket through a rotating shaft, the pointer is fixedly installed at one end of the rotating bracket close to the transparent angle scale, and the adjusting screw is threadedly connected to the base bracket, which is beneficial to adjusting the injection angle.

[0011] As a further scheme of the utility model: an extension and rebound mechanism is installed on the upper side of the rotating bracket.

[0012] As a further solution of the utility model: the extension and spring-back mechanism includes a fixed rod, a sliding rod, a rack, a driving motor, a motor gear and a tension spring. The fixed rod is fixedly installed on the rotating bracket. The sliding rod is slidably connected to the fixed rod. The rack is fixedly installed on the upper side of the sliding rod. The driving motor is fixedly installed on the upper side of the rotating bracket through a motor bracket. The motor gear is fixedly installed on the output shaft of the driving motor. The motor gear and the rack are meshed with each other. The tension spring is slidably connected to the fixed rod. One end of the tension spring close to the sliding rod is fixedly connected to the sliding rod. The end of the tension spring far from the sliding rod is fixedly connected to the rotating bracket.

[0013] As a further solution of the utility model: a quantitative injection mechanism is installed on the lower side of the rotating bracket.

[0014] As a further solution of the utility model: the quantitative injection mechanism includes an injection cylinder, an injection needle, a piston rod and a micro electric telescopic rod. The injection cylinder is fixedly installed on the lower side of the sliding rod. The injection needle is threadedly connected to the injection cylinder. The piston rod is slidably connected in the injection cylinder. The micro electric telescopic rod is fixedly installed on the rotating bracket. One end of the piston rod far from the injection cylinder is closely attached to the output shaft of the micro electric telescopic rod, which is beneficial to quickly and quantitatively apply fertilizer or inject liquid medicine.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: A device for reducing external interference and preventing lodging of plants in pot experiments. When in use, move the connecting plate towards the end away from the special-shaped fixing block, and the spring is compressed. Adjust the distance between two adjacent special-shaped fixing blocks to a suitable position, then release the connecting plate. The compressed spring elongates and presses the connecting plate tightly between two adjacent special-shaped fixing blocks. By adjusting the distances between multiple adjacent special-shaped fixing blocks, it can adapt to the sizes of different planting pots. Connect multiple self-adaptive embedding mechanisms to form a closed loop and clamp it on the inner wall of the planting pot. The distance from the annular wire to the bottom and the diameters of the upper and lower annular wires can be determined according to the diameter of the planting pot and the expected size of the plant, so as to prevent the plant from lodging. Select square gauze or plastic film with an appropriate pore density according to the prevention and control requirements. It can be connected to the upper annular wire by sewing and then naturally hang down to the surface of the planting soil. The upper annular wire covers the square gauze or film, forming a cylinder with a closed upper end and connected to the surface of the planting soil at the lower end, thereby preventing external interference. The materials around the upper annular wire and the four sides of the three thin rods can be selected according to needs. If a higher protection strength around is required, plastic film with a more suitable covering material around can be selected, while the upper annular wire covers the gauze. Through the self-adaptive embedding mechanism, the roots of the plant can be effectively avoided. During the growth of the plant, due to the bundling effect of the annular wire, it will not easily lodge. A strip-shaped opening is formed after the square gauze or film surrounds the three thin rods for one week. During operation, this opening can be used to open and process the plant, and then close it. Loosen the adjustment screw, rotate the rotating bracket, and the rotation of the rotating bracket drives the pointer on the rotating bracket to rotate. Determine the rotation angle of the rotating bracket through the pointer and the transparent angle scale. After adjusting to a suitable angle, tighten the adjustment screw. Control the driving motor to rotate through the external controller. The rotation of the driving motor drives the motor gear to rotate. The rotation of the motor gear causes the rack to move, making the sliding rod move away from the rotating bracket, stretching the tension spring. The movement of the sliding rod away from the rotating bracket makes the quantitative injection mechanism insert into the planting soil. Control the micro electric telescopic rod to elongate through the external controller. The end of the piston rod away from the syringe barrel closely adheres to the output shaft of the micro electric telescopic rod. Determine the injection dosage by controlling the elongation length of the micro electric telescopic rod through the external controller. Control the driving motor to stop rotating through the external controller. The stretched tension spring pulls the quantitative injection mechanism back to the initial position. Add or replace the liquid medicine by unscrewing the injection needle. Through the self-adaptive embedding mechanism, it can not only adapt to different types of planting pots, but also effectively avoid the roots of the plant, preventing the plants in the planting pot from being affected. Through the angle adjustment mechanism, the extension and rebound mechanism, and the quantitative injection mechanism, the user can normally fertilize the plant every day without damaging the square gauze. The utility model can be used on different types of planting pots, has a wide application range and is easy to install. There is a regular fertilization device. When fertilization is needed, it can be directly fertilized through the external controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic structural diagram of the angle adjustment mechanism, the extension and rebound mechanism, and the quantitative injection mechanism of the present utility model;

[0018] Figure 3 is a schematic structural diagram of a closed loop formed by connecting multiple adaptive embedding mechanisms of the present utility model;

[0019] Figure 4 is a side view of a closed loop formed by connecting multiple adaptive embedding mechanisms of the present utility model;

[0020] Figure 5 is a sectional view taken along line A-A of a closed loop formed by connecting multiple adaptive embedding mechanisms of the present utility model.

[0021] In the figure: 1, planting pot; 2, planting soil; 3, adaptive embedding mechanism; 301, special-shaped fixing block; 302, special-shaped sliding groove; 303, main sliding rod; 304, connecting plate; 305, main spring; 306, main slider; 307, secondary sliding rod; 308, secondary spring; 309, secondary slider; 4, thin rod; 5, annular iron wire; 6, square gauze; 7, angle adjustment mechanism; 701, base bracket; 702, transparent angle scale; 703, rotating bracket; 704, pointer; 705, adjusting screw; 8, extension and rebound mechanism; 801, fixed rod; 802, sliding strip; 803, rack; 804, drive motor; 805, motor gear; 806, tension spring; 9, quantitative injection mechanism; 901, syringe barrel; 902, injection needle; 903, piston rod; 904, micro electric telescopic rod. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 to 5, in the embodiment of the present utility model, a device for reducing the interference of plants by the outside world and preventing lodging in pot experiments includes a planting pot 1. There is planting soil 2 in the planting pot 1. An adaptive embedding mechanism 3 is installed on the inner wall of the planting pot 1. Three thin rods 4 are installed on the adaptive embedding mechanism 3. Each thin rod 4 has a plurality of through holes. A plurality of annular iron wires 5 are fixedly installed on the three thin rods 4. The annular iron wires 5 pass through the through holes on the thin rods 4 to connect the three thin rods 4. A square gauze 6 is arranged on the three thin rods 4. The square gauze 6 surrounds the three thin rods 4 for one week and is connected to the annular iron wire 5 and the thin rod 4 by sewing. The upper side of the square gauze 6 is connected to the annular iron wire 5 by sewing, and the lower side of the square gauze 6 naturally hangs to the upper surface of the planting soil 2.

[0024] Among them, the adaptive embedding mechanism 3 includes: a special-shaped fixed block 301, a special-shaped sliding groove 302, a main sliding rod 303, a connecting plate 304, a main spring 305, a main slider 306, a secondary sliding rod 307, a secondary spring 308, and a secondary slider 309. The special-shaped fixed block 301 is arranged on the upper surface of the planting soil 2. The special-shaped sliding groove 302 is fixedly installed on the side wall of the special-shaped fixed block 301. The main sliding rod 303 is slidably connected to the special-shaped fixed block 301. The connecting plate 304 is slidably connected to one end of the main sliding rod 303 away from the special-shaped fixed block 301. One end of the main spring 305 away from the special-shaped fixed block 301 is fixedly connected to the main sliding rod 303. One end of the main spring 305 close to the special-shaped fixed block 301 is closely attached to the connecting plate 304. The main slider 306 is fixedly installed at one end of the main sliding rod 303 close to the special-shaped fixed block 301. The main slider 306 is slidably connected to the special-shaped sliding groove 302. The secondary sliding rod 307 is slidably connected to the connecting plate 304. One end of the secondary spring 308 away from the special-shaped fixed block 301 is fixedly connected to the secondary sliding rod 307. One end of the secondary spring 308 close to the special-shaped fixed block 301 is closely attached to the connecting plate 304. The secondary slider 309 is fixedly installed at one end of the secondary sliding rod 307 close to the special-shaped fixed block 301; Multiple adaptive embedding mechanisms 3 can be connected to each other to form a closed loop, which is beneficial to adapting to different types of planting pots 1; An angle adjustment mechanism 7 is installed on the special-shaped fixed block 301; The angle adjustment mechanism 7 includes: a base bracket 701, a transparent angle scale 702, a rotating bracket 703, a pointer 704, and an adjustment screw 705. The base bracket 701 is fixedly installed on the special-shaped fixed block 301. The transparent angle scale 702 is fixedly installed on one side of the base bracket 701. The rotating bracket 703 is rotatably connected to the base bracket 701 through a rotating shaft. The pointer 704 is fixedly installed at one end of the rotating bracket 703 close to the transparent angle scale 702. The adjustment screw 705 is threadedly connected to the base bracket 701, which is beneficial to adjusting the injection angle; An extension and rebound mechanism 8 is installed on the upper side of the rotating bracket 703; The extension and rebound mechanism 8 includes: a fixed rod 801, a sliding strip 802, a rack 803, a driving motor 804, a motor gear 805, and a tension spring 806. The fixed rod 801 is fixedly installed on the rotating bracket 703. The sliding strip 802 is slidably connected to the fixed rod 801. The rack 803 is fixedly installed on the upper side of the sliding strip 802. The driving motor 804 is fixedly installed on the upper side of the rotating bracket 703 through a motor bracket. The motor gear 805 is fixedly installed on the output shaft of the driving motor 804. The motor gear 805 and the rack 803 are meshed with each other. The tension spring 806 is slidably connected to the fixed rod 801. One end of the tension spring 806 close to the sliding strip 802 is fixedly connected to the sliding strip 802. One end of the tension spring 806 away from the sliding strip 802 is fixedly connected to the rotating bracket 703; A quantitative injection mechanism 9 is installed on the lower side of the rotating bracket 703;The quantitative injection mechanism 9 includes: an injection cylinder 901, an injection needle 902, a piston rod 903, and a micro electric telescopic rod 904. The injection cylinder 901 is fixedly installed on the lower side of the sliding bar 802. The injection needle 902 is threadedly connected to the injection cylinder 901. The piston rod 903 is slidably connected within the injection cylinder 901. The micro electric telescopic rod 904 is fixedly installed on the rotating bracket 703. One end of the piston rod 903 away from the injection cylinder 901 is closely attached to the output shaft of the micro electric telescopic rod 904, which is beneficial for rapid quantitative fertilization or injection of liquid medicine.;

[0025] The working principle of the present utility model is:

[0026] A device for reducing external interference and preventing lodging of plants in pot experiments. When in use, move the connecting plate 304 towards the end away from the special-shaped fixing block 301, the spring is compressed, adjust the distance between two adjacent special-shaped fixing blocks 301 to a suitable position, release the connecting plate 304, and the compressed spring elongates, pressing the connecting plate 304 tightly between two adjacent special-shaped fixing blocks 301. By adjusting the distance between multiple adjacent special-shaped fixing blocks 301, it can adapt to the size of different planting pots 1. Connect multiple self-adaptive embedding mechanisms 3 to form a closed loop and clamp it on the inner wall of the planting pot 1. The distance of the annular wire 5 from the bottom and the diameters of the upper and lower annular wires 5 can be determined according to the diameter of the planting pot 1 and the expected size of the plant, thus preventing the plant from lodging. Select a square gauze 6 or plastic film with an appropriate pore density according to the prevention and control requirements, which can be connected to the upper annular wire 5 by sewing and then hang down naturally to the surface of the planting soil 2. The upper annular wire 5 covers the square gauze 6 or the film, forming a cylinder with a closed upper end and connected to the surface of the planting soil 2 at the lower end, thereby preventing external interference. The materials around the upper annular wire 5 and the four thin rods 4 can be selected according to needs. If a higher protection strength around is required, a plastic film with a more suitable covering material around can be selected, while the upper annular wire 5 covers the gauze. Through the self-adaptive embedding mechanism 3, the roots of the plant can be effectively avoided. During the growth of the plant, due to the bundling effect of the annular wire 5, it will not easily lodge. The square gauze 6 or the film forms a strip-shaped opening after surrounding the four thin rods 4 for one week. During operation, this opening can be used to open and process the plant, and then close it after the processing is completed. Loosen the adjusting screw 705, rotate the rotating bracket 703, and the rotation of the rotating bracket 703 drives the pointer 704 on the rotating bracket 703 to rotate. Determine the rotation angle of the rotating bracket 703 through the pointer 704 and the transparent angle scale 702. After adjusting to a suitable angle, tighten the adjusting screw 705. Control the driving motor 804 to rotate through the external controller. The rotation of the driving motor 804 drives the motor gear 805 to rotate. The rotation of the motor gear 805 causes the rack 803 to move, making the sliding bar 802 move away from the rotating bracket 703, stretching the tension spring 806. The movement of the sliding bar 802 away from the rotating bracket 703 makes the quantitative injection mechanism 9 insert into the planting soil 2. Control the micro electric telescopic rod 904 to elongate through the external controller. The end of the piston rod 903 away from the syringe barrel 901 is closely attached to the output shaft of the micro electric telescopic rod 904. Determine the injection dosage by controlling the elongation length of the micro electric telescopic rod 904 through the external controller. Control the driving motor 804 to stop rotating through the external controller. The stretched tension spring 806 pulls the quantitative injection mechanism 9 back to the initial position. Add or replace the liquid medicine by unscrewing the injection needle 902. The utility model can be used on different types of planting pots 1, has a wide application range and is simple to install, and has a regular fertilization device. When fertilization is required, it can be directly fertilized through the external controller.

[0027] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A device for reducing external disturbance and preventing lodging of plants in potted plant experiments, comprising a planting pot (1), characterized in that: The planting pot (1) is provided with planting soil (2). The inner wall of the planting pot (1) is provided with an adaptive embedding mechanism (3). Three thin rods (4) are provided on the adaptive embedding mechanism (3). Each of the thin rods (4) has a plurality of through holes. A plurality of circular iron wires (5) are fixedly provided on the three thin rods (4). The circular iron wires (5) pass through the through holes on the thin rods (4) to connect the three thin rods (4). Square gauze (6) is provided on the three thin rods (4). The square gauze (6) surrounds the three thin rods (4) and is connected to the circular iron wires (5) and the thin rods (4) by needle and thread. The upper side of the square gauze (6) is connected to the circular iron wires (5) by needle and thread. The lower side of the square gauze (6) naturally hangs down to the upper surface of the planting soil (2).

2. A device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 1, characterized in that: The adaptive embedding mechanism (3) comprises: a special-shaped fixing block (301), a special-shaped sliding groove (302), a main sliding rod (303), a connecting plate (304), a main spring (305), a main sliding block (306), a secondary sliding rod (307), a secondary spring (308) and a secondary sliding block (309); the special-shaped fixing block (301) is arranged on the upper surface of the planting soil (2); the special-shaped sliding groove (302) is fixedly installed on the side wall of the special-shaped fixing block (301); the main sliding rod (303) is slidably connected to the special-shaped fixing block (301); the connecting plate (304) is slidably connected to the end of the main sliding rod (303) away from the special-shaped fixing block (301); the end of the main spring (305) away from the special-shaped fixing block (301) is fixedly connected to the main sliding rod (303); On the moving rod (303), one end of the main spring (305) close to the special-shaped fixing block (301) is tightly attached to the connecting plate (304), the main sliding block (306) is fixedly installed on one end of the main sliding rod (303) close to the special-shaped fixing block (301), the main sliding block (306) is slidably connected to the special-shaped sliding groove (302), the auxiliary sliding rod (307) is slidably connected to the connecting plate (304), the end of the auxiliary spring (308) away from the special-shaped fixing block (301) is fixedly connected to the auxiliary sliding rod (307), the end of the auxiliary spring (308) close to the special-shaped fixing block (301) is tightly attached to the connecting plate (304), and the auxiliary sliding block (309) is fixedly installed on one end of the auxiliary sliding rod (307) close to the special-shaped fixing block (301).

3. A device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 2, characterized in that: A plurality of the adaptive embedding mechanisms (3) can be interconnected to form a closed loop.

4. The device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 2, characterized in that: An angle adjustment mechanism (7) is installed on the special-shaped fixing block (301).

5. A device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 4, characterized in that: The angle adjustment mechanism (7) comprises: a base support (701), a transparent angle scale (702), a rotating support (703), a pointer (704) and an adjusting screw (705); the base support (701) is fixedly mounted on the special-shaped fixed block (301); the transparent angle scale (702) is fixedly mounted on one side of the base support (701); the rotating support (703) is rotatably connected to the base support (701) via a rotating shaft; the pointer (704) is fixedly mounted on one end of the rotating support (703) close to the transparent angle scale (702); and the adjusting screw (705) is threadedly connected to the base support (701).

6. A device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 5, characterized in that: An extension rebound mechanism (8) is installed on the upper side of the rotating bracket (703).

7. A device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 6, characterized in that: The extension and rebound mechanism (8) comprises: a fixed rod (801), a sliding bar (802), a rack (803), a driving motor (804), a motor gear (805) and a tension spring (806), wherein the fixed rod (801) is fixedly mounted on the rotating bracket (703), the sliding bar (802) is slidably connected to the fixed rod (801), the rack (803) is fixedly mounted on the upper side of the sliding bar (802), and the driving motor (804) is fixedly mounted on the rotating bracket (703) through the motor bracket. On the upper side of the rotating bracket (703), the motor gear (805) is fixedly installed on the output shaft of the driving motor (804), the motor gear (805) and the rack (803) are meshed with each other, the tension spring (806) is slidably connected to the fixed rod (801), one end of the tension spring (806) close to the sliding bar (802) is fixedly connected to the sliding bar (802), and one end of the tension spring (806) away from the sliding bar (802) is fixedly connected to the rotating bracket (703).

8. The device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 5, characterized in that: A quantitative injection mechanism (9) is installed on the lower side of the rotating bracket (703).

9. A device for reducing external disturbance and preventing lodging of plants in potted plant experiments according to claim 8, characterized in that: The quantitative injection mechanism (9) comprises: a syringe (901), an injection needle (902), a piston rod (903) and a micro-electric telescopic rod (904); the syringe (901) is fixedly mounted on the lower side of the sliding bar (802); the injection needle (902) is threadedly connected to the syringe (901); the piston rod (903) is slidably connected in the syringe (901); the micro-electric telescopic rod (904) is fixedly mounted on a rotating bracket (703); and one end of the piston rod (903) away from the syringe (901) is tightly attached to the output shaft of the micro-electric telescopic rod (904).

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