A plant cultivation device for an agronomist

Abstract

This invention belongs to the technical field of plant cultivation equipment and discloses a plant cultivation device for agronomists, including a cultivation box. Multiple brackets are fixedly connected inside the cultivation box, and cultivation racks are slidably connected between adjacent brackets. Each cultivation rack has a placement groove at the top and a storage groove at the bottom, with a support rod rotatably connected to it. A humidification groove is located at the bottom of the inner wall of the cultivation box, and a water storage groove is located below the humidification groove. The two are connected by a water-guiding cotton core in a channel. A humidification cotton sheet is placed inside the humidification groove. A storage groove and a sealing plate are located above the humidification groove. The opening and closing of the sealing plate is controlled by a gear linkage mechanism and a knob. This invention facilitates the placement and removal of plants through a pull-out cultivation rack and a foldable support rod. It utilizes capillary irrigation to achieve continuous and uniform bottom water supply, and the humidity is regulated by adjusting the opening and closing of the sealing plate with a knob. It integrates cultivation, watering, and humidity control, with a simple structure and convenient operation.

Description

Technical Field

[0001] This invention relates to the field of plant cultivation equipment technology, and in particular to a plant cultivation device for agronomists. Background Technology

[0002] With the continuous development of agricultural technology, plant cultivation devices are widely used in various scenarios such as agronomic research, seedling cultivation, and home gardening. When conducting plant cultivation experiments, agronomists usually need to manage multiple groups of plant samples meticulously, including daily operations such as regular watering, supplemental lighting, and humidity control. Therefore, high demands are placed on the ease of operation and environmental control capabilities of the cultivation devices.

[0003] Existing plant cultivation devices mostly employ fixed tiered structures, with cultivation trays permanently mounted on the frame. When agronomists need to water, transplant, or observe plants in the lower and middle tiers, they must bend over and reach inside the frame, which is inconvenient and increases the risk of damaging adjacent plants. Furthermore, existing devices primarily use manual spraying or timed top-mounted sprinklers for watering, making it difficult to ensure a uniform and continuous water supply to the plant roots. Overwatering can lead to root rot, while insufficient watering hinders normal plant growth. Regarding humidity control, existing devices largely rely on electronic sensors combined with complex control systems, resulting in high costs and a high failure rate, hindering agronomists' flexibility in experimental settings. Additionally, the lack of effective partitions between cultivation tiers allows humidity levels to interfere with each other, making it difficult to meet the diverse growth requirements of different plants. Summary of the Invention

[0004] One objective of this invention is to provide a plant cultivation device for agronomists, in order to solve the problems of inconvenient placement and removal of cultivation racks, uneven water supply, difficulty in humidity control, and mutual interference of humidity between different layers in the prior art.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a plant cultivation device for agronomists, comprising a cultivation box, wherein multiple brackets are fixedly connected inside the cultivation box, and cultivation racks are slidably connected between adjacent brackets. The top of each cultivation rack has equidistantly spaced slots for placing plants, and the bottom of each cultivation rack has two storage slots, each storage slot having a support rod rotatably connected inside. A humidification groove is formed at the bottom of the inner wall of the cultivation box and below the corresponding cultivation rack, and a water storage tank is formed inside the cultivation box and below the humidification groove. A through groove is formed equidistantly between the bottom of the inner wall of the humidification groove and the water storage tank, and each through groove has a guide tube inside. The bottom of the inner wall of the water-absorbing cotton core and the humidification tank are both lined with humidified cotton sheets connected to the water-absorbing cotton core; a receiving and releasing groove is opened at the bottom of the inner wall of the cultivation box and above the humidification tank, and two sealing plates are slidably connected inside the receiving and releasing groove; a driving groove is opened at the bottom of the inner wall of the cultivation box and at one end of the receiving and releasing groove, and two linkage bars are slidably connected inside the driving groove. The two linkage bars are fixedly connected to the two sealing plates respectively; a gear is rotatably connected inside the driving groove and between the two linkage bars; toothed grooves that mesh with the gear are equidistantly opened on the side of the two linkage bars that are close to each other; a knob is rotatably connected to the outside of the cultivation box, and the output shaft of the knob is fixedly connected to the gear.

[0006] Preferably, one end of the cultivation rack is fixedly connected to a limiting plate, and a handle is fixedly connected to the outside of the limiting plate. A sliding roller frame is installed on the outside of the cultivation box and below the cultivation rack. The inside of the storage slot is provided with a magnet for attracting the support rod. After pulling the handle to pull the cultivation rack out from the inside of the cultivation box along the bracket, the support rod is pried out from the storage slot and rotated to a vertical position, so that one end of the cultivation rack is supported on the outside by the support rod and the other end is limited to the inside of the cultivation box by the bracket, thereby completely supporting the cultivation rack.

[0007] Preferably, a light lamp is installed on the top of the inner wall of the cultivation box and above the cultivation rack. A conveying pipe is fixedly connected inside the cultivation box and diagonally above the cultivation rack. Spray heads are installed at equal intervals on one side of the conveying pipe. A solenoid valve is installed on the outside of the conveying pipe. A connecting pipe is provided inside the cultivation box, and the conveying pipe is connected to the connecting pipe. One end of the connecting pipe extends into the water storage tank. A drive water pump is provided inside the cultivation box. The output end of the drive water pump is connected to the connecting pipe to pump water from the water storage tank to the conveying pipe and spray it out through the spray head.

[0008] Preferably, a partition strip is fixedly connected between the bottom of the bracket and the inner wall of the cultivation box. The partition strip extends along the sliding direction of the cultivation rack and is used to separate the humidification troughs under two adjacent cultivation racks from each other, so as to avoid the humidity of each cultivation space affecting each other.

[0009] Preferably, a filling pipe is fixedly connected to the outside of the cultivation box, and one end of the filling pipe extends into the interior of the water storage tank for replenishing water into the water storage tank. The inside of the cultivation rack is equipped with a humidity detector, which is used to detect the humidity at the bottom of the cultivation rack. When the humidity is too high, the two sealing plates are driven to move closer to each other and press against each other by rotating the knob, thereby sealing the top of the humidification tank to stop humidification.

[0010] Preferably, the bottom of the water-guiding cotton core extends into the interior of the water storage tank and is immersed in water, and the top of the water-guiding cotton core is connected to the bottom of the moistening cotton sheet. Through the capillary action of the water-guiding cotton core, water in the water storage tank is continuously guided to the moistening cotton sheet, so that the moistening tank maintains a uniform moisture state and provides a stable bottom humidity environment for the plants placed in the tank.

[0011] Preferably, the drive groove is connected to the receiving groove, and the two linkage bars are symmetrically arranged along the length of the drive groove. When the gear rotates, the two linkage bars slide in opposite directions through the meshing transmission of the tooth groove, thereby driving the two sealing plates to slide towards or away from each other in the receiving groove, so as to open and close the opening at the top of the moistening groove. The knobs are set one-to-one with the cultivation rack.

[0012] Preferably, the storage slots are symmetrically opened at both ends of the bottom of the cultivation rack along the width direction of the cultivation rack. One end of the support rod is rotatably connected to the inner wall of the storage slot through a pivot, and the other end of the support rod is a free end. When the cultivation rack is stored inside the cultivation box, the support rod is fixed in the storage slot by magnetic attraction. After the cultivation rack is pulled out, the support rod is rotated out and its free end is placed downwards to support the upper part of the sliding roller frame.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] (1) The present invention provides a pull-out cultivation rack in the cultivation box and a foldable support rod at the bottom of the cultivation rack. Agronomists can simply pull the handle to pull out the cultivation rack and unfold the support rod for support without having to bend over and reach into the box. This greatly improves the convenience of plant handling and daily management. At the same time, the support rod is fixed in the storage slot by magnetic attraction when stored, without taking up extra space.

[0015] (2) By setting a water-guiding cotton core and a moistening cotton sheet between the water storage tank and the moistening tank, the present invention uses capillary action to continuously guide the water in the water storage tank to the moistening cotton sheet, so that the plant roots can obtain a uniform and stable bottom water supply, avoiding the uneven watering and root rot problems caused by the traditional top spraying method, and eliminating the need for frequent manual watering, thus reducing the workload of agronomists.

[0016] (3) The present invention drives the gear to rotate by a knob, and drives the two sealing plates to slide towards or away from each other through the meshing transmission of the linkage bar and the tooth groove, thereby flexibly controlling the opening and closing degree of the top opening of the humidification tank, realizing manual and precise control of the humidity of the cultivation space. It does not require a complex electronic control system, has a simple and reliable structure, and is inexpensive. With the help of the partition strip to separate the space of each layer, it can meet the different humidity requirements of different plants. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall external structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the assembly structure of the internal support, cultivation rack and conveying pipe of the cultivation box of the present invention.

[0019] Figure 3 This is a three-dimensional structural diagram of the cultivation rack of the present invention.

[0020] Figure 4 This is a cross-sectional structural diagram of the wetting tank, the through tank, and the water-guiding cotton core of the present invention.

[0021] Figure 5 This is a schematic diagram showing the distribution structure of the humidification tank and water storage tank inside the cultivation box of the present invention.

[0022] Figure 6 This is a schematic diagram of the mating structure of the sealing plate and the water-guiding cotton core of the present invention.

[0023] Figure 7 For the present invention Figure 5 A magnified schematic diagram of the structure at point A in the middle.

[0024] Figure 8 For the present invention Figure 6 A magnified schematic diagram of the structure at point B in the middle.

[0025] Figure 9 This is a bottom view of the overall external structure of the present invention.

[0026] In the diagram: 1. Cultivation box; 2. Bracket; 3. Cultivation rack; 4. Placement trough; 5. Storage trough; 6. Support rod; 7. Limiting plate; 8. Handle; 9. Sliding roller frame; 10. Divider strip; 11. Illuminator; 12. Conveying pipe; 13. Sprayer head; 14. Water storage tank; 15. Connecting pipe; 16. Through groove; 17. Water-guiding cotton core; 18. Wet tank; 19. Wet cotton sheet; 20. Collection and release trough; 21. Drive trough; 22. Sealing plate; 23. Linkage bar; 24. Gear; 25. Gear groove; 26. Knob; 27. Filling pipe. Detailed Implementation

[0027] The present invention will now be further described in conjunction with specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0028] In the description of this invention, it should be noted that directional terms such as "center," "lateral," "longitudinal," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise" indicate the orientation and 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. They should not be construed as limiting the specific protection scope of this invention.

[0029] It should be noted that the terms "first" and "second" in the specification and claims of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0030] One preferred embodiment of the present invention, such as Figures 1 to 9 As shown, an agronomist's plant cultivation device includes a cultivation box 1, which is a rectangular box structure with an open top, and its interior is used to accommodate various functional components. Multiple brackets 2 are fixedly connected inside the cultivation box 1. The brackets 2 are horizontally arranged along the length of the cultivation box 1, and the multiple brackets 2 are arranged at equal intervals along the height of the cultivation box 1. A guide space is formed between adjacent brackets 2 for sliding and pulling cultivation racks 3.

[0031] A cultivation rack 3 is slidably connected between two adjacent brackets 2. The cultivation rack 3 is a rectangular plate structure, with its two sides overlapping the upper surface of the corresponding bracket 2, and can slide horizontally along the length of the bracket 2. The top of each cultivation rack 3 has equidistantly spaced placement slots 4 for placing plants. The placement slots 4 are circular grooves used to accommodate potted plants or seedling pots, preventing the plants from tipping over during the pulling of the cultivation rack 3. The bottom of each cultivation rack 3 has two storage slots 5, symmetrically arranged along the width of the cultivation rack 3. A support rod 6 is rotatably connected inside each storage slot 5. The support rod 6 is a rectangular rod structure, with one end rotatably connected to the inner wall of the storage slot 5 via a pivot, and the other end being free. Magnets are installed inside the storage slots 5. When the cultivation rack 3 is stored inside the cultivation box 1, the support rod 6 is magnetically attracted and fixed inside the storage slot 5, remaining flush with the bottom surface of the cultivation rack 3, without affecting the normal pulling of the cultivation rack 3.

[0032] A limiting plate 7 is fixedly connected to one end of the cultivation rack 3. The limiting plate 7 is vertically set and its size is larger than the opening size on the side wall of the cultivation box 1 through which the cultivation rack 3 passes. This limiting plate 7 restricts the pulling stroke of the cultivation rack 3 and prevents the cultivation rack 3 from completely detaching from the cultivation box 1. A handle 8 is fixedly connected to the outside of the limiting plate 7. The handle 8 has a U-shaped structure, which makes it easy for agronomists to grip and apply force to pull out the cultivation rack 3. A sliding roller frame 9 is installed on the outside of the cultivation box 1 and below the cultivation rack 3. The sliding roller frame 9 has multiple parallel rollers that provide rolling support to the bottom of the cultivation rack 3 during the pulling process, reducing the pulling resistance. The length of the support rod 6 is equal to the vertical distance between the bottom surface of the cultivation rack 3 and the upper surface of the sliding roller frame 9, so that the cultivation rack 3 remains horizontal after being pulled out. The installation height of the sliding roller frame 9 is preset according to the length of the support rod 6 and the height of the bracket 2, ensuring that the cultivation rack 3 is on the same horizontal plane as the upper surface of the bracket 2 when it is pulled out and supported, preventing the plants from tipping over due to the tilt of the cultivation rack 3. When it is necessary to operate on the plants on the cultivation rack 3, the agronomist holds the handle 8 and pulls the cultivation rack 3 out from inside the cultivation box 1 along the bracket 2. Then, the support rod 6 is pulled out from the storage slot 5 and rotated to a vertical position, so that one end of the cultivation rack 3 is supported above the sliding roller frame 9 by the support rod 6, and the other end is limited to the inside of the cultivation box 1 by the bracket 2, thereby completely supporting the cultivation rack 3, making it convenient for the agronomist to water, transplant or observe the plants in an open state.

[0033] A humidification groove 18 is provided on the bottom inner wall of the cultivation box 1, located below the corresponding cultivation rack 3. The humidification groove 18 is a rectangular groove extending along the length of the cultivation box 1. A water storage tank 14 is provided inside the cultivation box 1, located below the humidification groove 18. The water storage tank 14 extends along the entire bottom of the cultivation box 1 and is used to store cultivation water. A through groove 16 is provided at equal intervals between the bottom of the inner wall of the humidification groove 18 and the water storage tank 14. The through groove 16 is a vertically arranged circular through hole that connects the humidification groove 18 and the water storage tank 14. A water-absorbing cotton core 17 is provided inside the through groove 16. The water-absorbing cotton core 17 is made of degreased cotton fiber bundles with a diameter of 5-8 mm and a density of 0.2-0.3 g / cm³, which has excellent capillary water absorption performance. Its bottom extends into the water storage tank 14 and is immersed in water, and its top is connected to the bottom of the humidification cotton sheet 19. The bottom of the inner wall of the humidification tank 18 is lined with humidifying cotton sheets 19. These sheets are made of non-woven fabric, 3-5mm thick, with a water absorption rate ≥10g / g, covering the entire bottom surface of the humidification tank 18. This allows for even storage and slow release of moisture. Water from the water storage tank 14 is continuously guided to the humidifying cotton sheets 19 via the capillary action of the water-guiding cotton core 17, maintaining a uniform moisture level within the humidification tank 18. After evaporation, the water provides a stable bottom humidity environment for the plants placed in the upper tank 4. Both the water-guiding cotton core 17 and the humidifying cotton sheets 19 are replaceable. A maintenance port is located on the side of the cultivation box 1, allowing for periodic replacement of the water-guiding cotton core 17 and the humidifying cotton sheets 19. A replacement cycle of 3-6 months is recommended to ensure a continuous and stable water supply.

[0034] A partition strip 10 is fixedly connected between the bottom of the bracket 2 and the inner wall of the cultivation box 1. The partition strip 10 extends along the sliding direction of the cultivation rack 3. Its top is sealed to the bottom of the bracket 2 and its bottom is sealed to the bottom of the inner wall of the cultivation box 1. It is used to separate the humidification tanks 18 under two adjacent cultivation racks 3 from each other, so as to avoid the humidity between the cultivation spaces of each layer affecting each other, and so that each cultivation space can independently maintain the required humidity environment.

[0035] A receiving / discharging trough 20 is provided at the bottom of the inner wall of the cultivation box 1, above the humidification trough 18. The receiving / discharging trough 20 is horizontally arranged across the width of the humidification trough 18. Two sealing plates 22 are slidably connected inside the receiving / discharging trough 20. The sealing plates 22 are rectangular plates that can slide horizontally along the receiving / discharging trough 20. Rubber sealing strips are embedded in the four edges and the abutting end faces of the sealing plates 22. When the sealing plates 22 slide towards each other to the closed position, the sealing strips are tightly fitted to the inner wall of the receiving / discharging trough 20 and the end faces of the opposite sealing plates 22, so as to completely seal the top opening of the humidification trough 18 and prevent water vapor from escaping from the gaps between the sealing plates 22 and the side walls of the receiving / discharging trough 20 and the gaps between the abutting surfaces of the two sealing plates 22, thus ensuring the accuracy of humidity regulation. A driving trough 21 is provided at the bottom of the inner wall of the cultivation box 1, at one end of the receiving / discharging trough 20, and the driving trough 21 is connected to the receiving / discharging trough 20. Two linkage bars 23 are slidably connected inside the drive groove 21. These two linkage bars 23 are symmetrically arranged along the length of the drive groove 21 and are fixedly connected to two sealing plates 22, respectively. A gear 24 is rotatably connected inside the drive groove 21, located between the two linkage bars 23. Gear slots 25 are equidistantly spaced on the adjacent sides of the two linkage bars 23, and these slots mesh with the gear 24. A knob 26 is rotatably connected at equidistant intervals on the outer side of the cultivation box 1. Each knob 26 corresponds to a cultivation rack 3, and its output shaft passes through the side wall of the cultivation box 1 and is fixedly connected to the gear 24. When the knob 26 is rotated, it drives the gear 24 to rotate synchronously. The gear 24, through meshing with the gear slots 25, drives the two linkage bars 23 to slide in opposite directions, thereby causing the two sealing plates 22 to slide towards or away from each other within the receiving / releasing groove 20. When the two sealing plates 22 slide towards each other until they abut against each other, the top opening of the humidification tank 18 is completely sealed, and the water in the humidification tank 18 cannot evaporate upwards, thus stopping the humidification of the cultivation space above. When the two sealing plates 22 slide away from each other, the top opening of the humidification tank 18 gradually opens, and the water can evaporate normally for humidification. The humidity of the cultivation space can be flexibly adjusted by controlling the opening and closing degree of the sealing plates 22.

[0036] Lighting lamps 11 are installed on the top inner wall of the cultivation box 1, above the cultivation rack 3. These lamps are LED plant growth lights used to provide supplemental lighting for the plants. Delivery pipes 12 are fixedly connected inside the cultivation box 1, diagonally above the cultivation rack 3. The delivery pipes 12 are horizontally arranged along the length of the cultivation box 1, and spray nozzles 13 are equidistantly installed on one side of each delivery pipe 12, with the spray direction of the spray nozzles 13 facing the placement slots 4 on the cultivation rack 3. Solenoid valves are installed on the outer side of each delivery pipe 12 to control its opening and closing. The cultivation box 1 is equipped with a connecting pipe 15 inside, and each layer of conveying pipe 12 is connected to the connecting pipe 15. One end of the connecting pipe 15 extends into the water storage tank 14. The cultivation box 1 is equipped with a driving water pump, and the output end of the driving water pump is connected to the connecting pipe 15. The pump is used to send water from the water storage tank 14 to each layer of conveying pipe 12, and spray it out after atomization by the spray head 13 to spray water on the leaves of the plants or increase the humidity of the environment.

[0037] A filling pipe 27 is fixedly connected to the outside of the cultivation box 1. One end of the filling pipe 27 extends into the interior of the water storage tank 14, and the other end is equipped with a sealing cap for replenishing water to the water storage tank 14 when the water level is low. Each cultivation rack 3 is equipped with a humidity detector, with the detection end facing the bottom of the cultivation rack 3, for real-time monitoring of the humidity at the bottom of the cultivation rack 3. Agronomists can determine whether to adjust the opening degree of the sealing plate 22 or activate the spray system based on the humidity detector readings.

[0038] Working principle:

[0039] In use, first inject an appropriate amount of water into the water storage tank 14 through the filling pipe 27. The water-guiding cotton core 17 uses capillary action to guide the water in the water storage tank 14 to the moistening cotton pad 19, keeping the moistening tank 18 moist. After the water evaporates, it provides bottom humidity for the plants on the upper cultivation rack 3. Place the potted plants in the placement slot 4 at the top of the cultivation rack 3 and turn on the light lamp 11 to provide light for the plants. When it is necessary to water, transplant, or observe the plants, hold the handle 8 to pull the cultivation rack 3 out along the bracket 2, rotate the support rod 6 out from the storage slot 5 and support it above the sliding roller frame 9, so that the cultivation rack 3 remains stable in the open state. After the operation is completed, retract the support rod 6 into the storage slot 5 and fix it with magnets, and then push the cultivation rack 3 back into the cultivation box 1. When humidity needs to be adjusted in the cultivation space, rotating the corresponding knob 26 causes the two sealing plates 22 to slide towards or away from each other through the meshing of gear 24 and toothed groove 25, thereby controlling the opening and closing of the top opening of the humidification tank 18 and achieving flexible humidity adjustment. When foliar spraying is required, the drive water pump and the solenoid valve on the corresponding delivery pipe 12 are turned on. Water in the water storage tank 14 is pumped to the delivery pipe 12 through the connecting pipe 15 and atomized and sprayed out by the spray head 13. Each layer of the humidification tank 18 is separated from each other by the partition strip 10, allowing independent humidity control to meet the growth needs of different plants.

[0040] The basic principles, main features, and advantages of this invention have been described above. Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made without departing from the spirit and scope of the invention, and all such changes and modifications fall within the scope of the invention as claimed. The scope of protection claimed by this invention is defined by the appended claims and their equivalents.

Claims

1. A plant cultivation device for agronomists, characterized in that, The cultivation box (1) includes a cultivation box (1) with multiple brackets (2) fixedly connected inside. A cultivation rack (3) is slidably connected between two adjacent brackets (2). The top of each cultivation rack (3) is provided with a placement slot (4) for placing plants at equal intervals. The bottom of each cultivation rack (3) is provided with two storage slots (5). A support rod (6) is rotatably connected inside each storage slot (5). A humidification slot (18) is provided at the bottom of the inner wall of the cultivation box (1) and below the corresponding cultivation rack (3). A water storage tank (14) is provided inside the cultivation box (1) and below the humidification slot (18). A through groove (16) is provided at equal intervals between the bottom of the inner wall of the humidification slot (18) and the water storage tank (14). A water-guiding cotton core (17) is provided inside each through groove (16). A humidified cotton sheet (19) connected to the water-guiding cotton core (17) is laid at the bottom of the inner wall of the humidification slot (18). A receiving and releasing groove (20) is provided at the bottom of the inner wall of the cultivation box (1) and above the humidification groove (18). Two sealing plates (22) are slidably connected inside the receiving and releasing groove (20). A driving groove (21) is provided at the bottom of the inner wall of the cultivation box (1) and at one end of the receiving and releasing groove (20). Two linkage bars (23) are slidably connected inside the driving groove (21). The two linkage bars (23) are fixedly connected to the two sealing plates (22) respectively. A gear (24) is rotatably connected inside the driving groove (21) and between the two linkage bars (23). The two linkage bars (23) are equidistantly provided with tooth grooves (25) that mesh with the gear (24) on the side that is close to each other. A knob (26) is rotatably connected to the outside of the cultivation box (1). The output shaft of the knob (26) is fixedly connected to the gear (24).

2. The plant cultivation device for agronomists according to claim 1, characterized in that: One end of the cultivation rack (3) is fixedly connected to a limiting plate (7), and a handle (8) is fixedly connected to the outside of the limiting plate (7). A sliding roller frame (9) is installed on the outside of the cultivation box (1) and below the cultivation rack (3). The inside of the storage groove (5) is provided with a magnet for adsorbing the support rod (6). After pulling the handle (8) to pull the cultivation rack (3) out from the inside of the cultivation box (1) along the bracket (2), the support rod (6) is pried out from the storage groove (5) and rotated to a vertical state, so that one end of the cultivation rack (3) is supported on the outside by the support rod (6) and the other end is limited to the inside of the cultivation box (1) by the bracket (2), thereby completely supporting the cultivation rack (3).

3. The plant cultivation device for agronomists according to claim 1, characterized in that: Light lamps (11) are installed on the top of the inner wall of the cultivation box (1) and above the cultivation rack (3). Conveying pipes (12) are fixedly connected inside the cultivation box (1) and diagonally above the cultivation rack (3). Spray nozzles (13) are installed at equal intervals on one side of the conveying pipes (12). Solenoid valves are installed on the outside of the conveying pipes (12). A connecting pipe (15) is provided inside the cultivation box (1). The conveying pipes (12) are connected to the connecting pipes (15). One end of the connecting pipe (15) extends into the water storage tank (14). A driving water pump is provided inside the cultivation box (1). The output end of the driving water pump is connected to the connecting pipe (15) to pump water from the water storage tank (14) to the conveying pipe (12) and spray it out through the spray nozzles (13).

4. The plant cultivation device for agronomists according to claim 1, characterized in that: A partition strip (10) is fixedly connected between the bottom of the bracket (2) and the inner wall of the cultivation box (1). The partition strip (10) extends along the sliding direction of the cultivation rack (3) to separate the humidification troughs (18) under two adjacent cultivation racks (3) from each other, so as to avoid the humidity of each cultivation space affecting each other.

5. The plant cultivation device for agronomists according to claim 1, characterized in that: The outside of the cultivation box (1) is fixedly connected to a filling pipe (27). One end of the filling pipe (27) extends into the interior of the water storage tank (14) to replenish water into the water storage tank (14). The cultivation rack (3) is equipped with a humidity detector. The humidity detector is used to detect the humidity at the bottom of the cultivation rack (3). When the humidity is too high, the two sealing plates (22) are driven to move closer to each other and press against each other by rotating the knob (26), thereby sealing the top of the humidification tank (18) to stop humidification.

6. The plant cultivation device for agronomists according to claim 1, characterized in that: The bottom of each water-guiding cotton core (17) extends into the interior of the water storage tank (14) and is immersed in water. The top of the water-guiding cotton core (17) is connected to the bottom of the moistened cotton sheet (19). Through the capillary action of the water-guiding cotton core (17), the water in the water storage tank (14) is continuously guided to the moistened cotton sheet (19), so that the moistened tank (18) is kept in a uniform moist state, providing a stable bottom humidity environment for the plants placed in the tank (4).

7. The plant cultivation device for agronomists according to claim 1, characterized in that: The drive groove (21) is connected to the receiving groove (20). The two linkage bars (23) are symmetrically arranged along the length of the drive groove (21). When the gear (24) rotates, it drives the two linkage bars (23) to slide in opposite directions through the meshing transmission of the tooth groove (25), thereby driving the two sealing plates (22) to slide in opposite directions in the receiving groove (20), so as to open and close the top opening of the moistening groove (18). The knob (26) is set in correspondence with the cultivation rack (3).

8. The plant cultivation device for agronomists according to claim 2, characterized in that: The storage slot (5) is symmetrically opened at both ends of the bottom of the cultivation rack (3) along the width direction of the cultivation rack (3). One end of the support rod (6) is rotatably connected to the inner wall of the storage slot (5) through a rotating shaft. The other end of the support rod (6) is a free end. When the cultivation rack (3) is stored inside the cultivation box (1), the support rod (6) is fixed in the storage slot (5) by magnetic attraction. After the cultivation rack (3) is pulled out, the support rod (6) is rotated out and its free end is supported above the sliding roller frame (9) with its free end facing down.

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