JP2019062825A - Plant conveyance system - Google Patents

Abstract

To provide a plant conveyance system that can convey plants more efficiently than conventional ones.SOLUTION: A plant conveyance system comprises: a plurality of cultivation beds in which liquid fertilizer is pooled, a plurality of cultivation panels on which plants are fix-planted are arranged side by side in one direction on liquid fertilizer, and which are arranged side by side in a predetermined crossing direction crossing the one direction; and a conveyance apparatus 30 which is provided so as to extend in an orthogonal direction in the vicinity of a predetermined one end part in one direction of a plurality of the cultivation beds, and conveys plants cropped from the cultivation panels positioned on the one end part side to a predetermined position.SELECTED DRAWING: Figure 1

Description

  Embodiments of the present invention relate to a plant delivery system for delivering harvested plants.

  Conventionally, as a method of efficiently producing plants such as vegetables, fruits and flowers, a plant factory which arranges a cultivation bed in which plants are planted in a cultivation room where the indoor environment is controlled, and produces plants in a high density environment Is widely known.

  In such a plant factory, since plants can be grown in a closed space in which the internal environment can be controlled, there is an advantage that plants having stable quality can be systematically produced. On the other hand, since the initial cost of the production equipment for plant installation and the light and energy costs for the production of plants are high, it is necessary to improve the productivity of plants from the viewpoint of the profitability.

  As a technique for improving the productivity of plants, there is known, for example, a plant cultivation apparatus (see Patent Document 1) which can efficiently perform maintenance work such as plant harvest / replacement work and cleaning / replacement. .

  The plant cultivation apparatus is mounted on the rack having the mounting portion, and the mounting portion is mounted such that the bottom wall has a downward slope from one end to the other end such that the length direction is in the left-right direction. A plurality of horizontal beds arranged parallel to one another, and a plurality of planting holes spaced apart in the left-right direction, which are detachably disposed on the upper portions of the respective culture beds so as to cover the upper openings of the respective culture beds. A plurality of planting panels provided, a tank containing a culture solution, a first supply pipe for supplying the culture solution into one end of each culture bed by a pump from the tank, and culture discharged from the other end of each culture bed And a culture solution circulation unit including a first return pipe for returning the solution to the tank. This makes it possible to easily attach and remove components such as the cultivation bed.

JP, 2017-93378, A

  In the conventional plant factory as described above, the harvester carries out a transportation work of individually transporting the harvested plants around a single cultivation unit to a conditioning room where plant selection and trimming are performed. . However, a plurality of cultivation units including a cultivation bed and a light source such as LED are at least two-dimensionally juxtaposed in a cultivation room, and these cultivation units are respectively disposed on a plurality of multistage racks and three-dimensionally arranged In a large-scale plant factory, there has been a problem that manual transportation is extremely complicated and inefficient. Therefore, it is required to transport the harvested plants from the cultivation room to the conditioning room more efficiently.

  The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a plant delivery system capable of delivering plants more efficiently than in the past.

  In order to solve the problems described above, according to an embodiment of the present invention, a plurality of cultivation panels in which liquid fertilizer is stored and plants are planted are juxtaposed in one direction on the liquid fertilizer and a predetermined cross direction intersecting with the one direction And a plurality of cultivation beds juxtaposed to each other and a predetermined one end in the one direction of the plurality of cultivation beds provided so as to extend in the crossing direction and harvested from the cultivation panel located on the one end side And a transport device for transporting the selected plant to a predetermined position.

  According to the present invention, a plant transport system with better workability can be realized.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic plan view which shows typically the plant conveyance system which concerns on embodiment. It is a schematic side view which shows typically the cultivation room with which the plant conveyance system which concerns on this embodiment seen from the X direction shown by FIG. 1 is equipped. It is a schematic side view which shows typically the cultivation room seen from the Y direction shown by FIG. It is a schematic perspective view which shows typically the cultivation unit with which the plant conveyance system concerning this embodiment is provided. It is a schematic side view for demonstrating arrangement | positioning with the 1st and 2nd conveyance conveyor of the conveyance apparatus with which the plant conveyance system concerning this embodiment is comprised, and a raising / lowering conveyor. It is a schematic perspective view which shows typically a part of 1st and 2nd conveyance conveyor. It is a schematic side view which shows a raising / lowering conveyor typically.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, a description will be given by taking the case of using a plant transportation system for hydroponic cultivation as an example. In the present specification and the drawings, components having substantially the same functional configuration will be assigned the same reference numerals and redundant description will be omitted.

(Overall configuration of plant transportation system)
FIG. 1 is a schematic plan view schematically showing a plant delivery system according to an embodiment. As shown in FIG. 1, the plant delivery system 1 according to the present embodiment is disposed in a plant factory, and is a plant suitable for hydroponic culture, such as leaf vegetables such as lettuce, broken radish, herbs, and coconut. Cultivation room 10 for cultivating plants, an adjustment room 20 for carrying out various adjustment operations such as sorting and trimming on harvested matter, which is a transfer destination of harvested plants (hereinafter referred to as harvested matter), and a cultivation room 10 and the adjustment chamber 20, and the conveyance apparatus 30 which conveys a harvested material is provided.

(Cultivation room 10)
FIG. 2 is a schematic side view schematically showing a cultivation room provided in the plant delivery system according to the present embodiment as viewed from the X direction shown in FIG. 1, and FIG. 3 is a cultivation as viewed from the Y direction shown in FIG. It is a schematic side view which shows indoors typically, and FIG. 4 is a schematic perspective view which shows typically the cultivation unit with which a plant conveyance system is equipped.

  In the cultivation room 10, as shown in FIGS. 1 to 3, a gantry 120 having a plurality of scaffolds 122 provided to be spaced apart from each other in the vertical direction to form a plurality of layers is installed. On each of the scaffolds 122 and the indoor floor, a multistage rack for a cultivation unit having a plurality of shelves not shown is installed, and each shelf of the multistage rack extends in one direction (X direction). A cultivation unit 140 for cultivating the plant H1 is placed. Thereby, a plurality of cultivation units 140 are vertically stacked. In the present embodiment, the gantry 120 has three stages of scaffolds 122 to form four layers, and three cultivation units 140 are mounted on one multistage rack in each layer. Therefore, in the present embodiment, the cultivation units 140 are in a state of being stacked in 12 stages in the vertical direction.

  In addition, a plurality of cultivation units 140 in the stacked state are juxtaposed in the transport direction (here, the Y direction in FIG. 1) orthogonal to the X direction, and ten in the present embodiment. Hereinafter, a set of a plurality of cultivation units 140 juxtaposed in the Y direction is referred to as a cultivation unit group 140a. As described above, the cultivation unit 140 is juxtaposed in the Y direction, thereby effectively utilizing the space in the cultivation room 10 and enhancing the production efficiency of the plant H1. In addition, the code | symbol 124 in FIG. 2 has shown the stairs which connect the scaffold 122 of each floor.

(Cultivation unit 140)
The cultivation unit 140 comprises a cultivation bed 142, a cultivation panel 144, and a lighting unit 146, as shown in FIG. The cultivation bed 142 is a rectangular box extending in the X direction, in which liquid fertilizer (culture fluid) L is stored, and a cultivation panel 144 made of expanded polystyrene or the like is suspended above the liquid fertilizer L. It is placed in A plurality of holes 144a are formed in the cultivation panel 144 so as to be separated from each other by a predetermined distance, and the plant H1 is planted in each of the holes 144a and the roots thereof are immersed in the liquid fertilizer L. As a result, the plant H1 gets nourished from the liquid fertilizer L and grows. The cultivation panel 144 is detachable, and can be replaced as appropriate according to the type and growth status of the plant H1. In addition, a lighting unit 146 in which a plurality of light sources 148 such as LEDs are juxtaposed is provided above the culture bed 142, and the plant H is irradiated with light having a predetermined wavelength from the light source 148 to grow the plant H1. The promotion is realized.

  In the present embodiment, a plurality of cultivation panels 144 of a predetermined size are juxtaposed on the liquid fertilizer L so as to be continuous in the X direction, and the degree of growth of the plant H1 is varied for each cultivation panel 144. Specifically, the growth degree of the plant H1 increases as it goes to the side of a first transfer conveyor 320 described later included in the transfer device 30 provided in the cultivation room 10 in FIG. Therefore, on the cultivation panel 144 adjacent to the first transfer conveyor 320, the plant H1 near the harvest time or harvest time is planted. In the present embodiment, as shown in FIG. 2, one cultivation panel 144 is sized to have 4 × 4 holes 144 a.

  As described above, since the cultivation panels 144 having different degrees of growth of the plants H1 are juxtaposed, the harvester W (see FIG. 2) is disposed on the first conveyer 320 side in the cultivation unit 140 and the work is performed on the other side. By arranging the person (not shown), the planter W harvests the plant H1 from the cultivation panel 144 adjacent to the first transfer conveyor 320 to be harvested and immediately mounts the plant H1 on the adjacent first transfer conveyor 320. Can be placed. The worker pushes the group of the cultivation panels 144 floating on the liquid fertilizer L to the first conveyer 320 side after the harvester W removes the harvested cultivation panels 144, whereby the growth degree in the cultivation unit 140 is maximized. The cultivation panel 144 having the high plant H1 can be brought close to the first conveyer 320 side.

  By such a series of operations, the movement of the harvester W can be minimized, and the plant H1 can be efficiently harvested. In addition, the workbench which is not illustrated is installed in the vicinity of the predetermined one end side of cultivation unit 140, specifically, the one end side by the side of the 1st conveyer 320, and harvester W will mention later to the workbench. Perform the work of placing the tray and storing the harvest.

(Conveying device 30)
FIG. 5 is a schematic side view for explaining the arrangement of the first and second conveyors and the elevating conveyor of the conveyor provided in the plant conveyance system according to the present embodiment, and FIG. It is a schematic perspective view which shows typically a part of 2 conveyers. FIG. 7 is a schematic side view schematically showing the elevating conveyor.

  As shown in FIG. 1 and FIG. 5, the transfer device 30 includes a plurality of first transfer conveyors 320 for transferring a harvest disposed between two cultivation unit groups 140 a so as to extend in the Y direction. An elevation conveyor 340 for conveying the harvested material conveyed by the predetermined first conveyance conveyor 320 to the second conveyance conveyor 360, and conveys the harvested material conveyed by the predetermined first conveyance conveyor 320 to the adjustment chamber 20 And a second transport conveyor 360.

  The first conveyer conveyor 320 has upper and lower two-stage roller conveyors having upper and lower conveyors 322 and 324 as shown in FIG. It has become. The upper stage conveyor 322 carries the tray T which accommodates the plant H1 as the harvest H2, and transports the tray T in the Y direction. On the other hand, in the lower conveyor 324, an empty tray T is placed, and the tray T is transported in the opposite direction to the upper conveyor 322. In this way, by making the upper and lower two-tiered structure, it is possible to load and transport the harvested product H2 on the tray T and return the empty tray T to the original position, for example, the position where the harvester W uses the tray T. Is possible.

  The upper and lower conveyors 322 and 324 described above are preferably constituted by a drive roller connected to a drive source and a free roller not connected to the drive source from the viewpoint of cost. For example, a drive roller group is interposed between free roller groups extending over a predetermined distance, and the to-be-harvested product H2 is transported in a form in which the tray T in front is pushed out by the tray T transported by the drive roller.

  The 1st conveyance conveyor 320 is provided for every hierarchy, as shown in Drawing 5, and harvests H2 harvested from cultivation unit 140 in each hierarchy are laid. The conveyor 320a installed on the first floor of the first conveyor 320 extends to the adjustment chamber 20 as shown in FIGS. Transport conveyors 320 b to 320 d installed on the second to fourth floors extend to the elevator conveyor 340.

  As shown in FIG. 5, the transfer conveyor 320 a includes an inclined portion 326 which is inclined such that a portion of the conveyer 320 a is on the adjustment chamber 20 side. The inclined portion 326 is the same as the above-described horizontal portion in that it is configured in two stages, upper and lower, but a roller is not used, and it is a belt conveyor in which a belt-like belt revolves in both upper and lower two stages. . It is preferable that the belt can be locked by contact with the tray T. For example, a locking piece may be provided, or a rubber material may be considered. Therefore, the inclined portion 326 can be transported upward or downward without causing the tray T to slide down.

  The transfer conveyor 320 a merges with the second transfer conveyor 360 at the junction point P shown in FIG. 1 and extends integrally to the adjustment chamber 20. At this junction point P, the drive rollers may be attached at an angle, or the like, and the existing method of joining two conveyors may be used, and the operator can appropriately move the tray T. It is also good.

  As shown in FIG. 7, the lift conveyor 340 is connected to a drive source (not shown), and two pivot shafts 342 which are vertically spaced from each other and can be pivoted in the same direction, and these two pivot shafts It is a so-called circulating vertical conveyor extending in the up-down direction, including a ring-shaped orbiting chain 344 wound around 342 and a plurality of slats 346 provided on the orbiting chain 344 at regular intervals.

  In the lifting conveyor 340, when the rotating shafts 342 are aligned and rotate in the same direction, the circulating chain 344 wound around the rotating shaft 342 revolves around the two rotating shafts 342, thereby one (see FIG. The slat 346 is lowered at the DW side) and the slat 346 is raised at the other side (the UP side in the figure). As shown in FIG. 1, one end of the upper conveyor 322 of the conveyers 320 b to 320 d is positioned on the DW side of the lift conveyor 340, and one end of the lower conveyor 324 of the conveyers 320 b to 320 d is positioned on the UP. As a result, it becomes possible to transport the tray T containing the harvest H2 downstairs by the descending slat 346 and transport the empty tray T upstairs by the rising slat 346.

  As shown in FIG. 5, the second conveyer 360 includes a horizontally extending horizontal portion and an inclined portion 366 inclined downward to the adjustment chamber 20 side. It is provided to the floor. The horizontal portion is configured the same as the horizontal portion of the first transfer conveyor 320, that is, the upper conveyor 362 and the lower conveyor 364. On the other hand, the inclined portion 366 has the same configuration as the inclined portion 326 of the first transfer conveyor 320a except that the inclined portion 366 is inclined downward to the adjustment chamber 20, that is, it is constituted by two upper and lower belt conveyors.

  As shown in FIG. 1, in the second conveyer 360, one end of the upper conveyor 362 is positioned on the DW side of the lift conveyor 340, and one end of the lower conveyor 364 is positioned on the UP side. Further, the other ends of the upper conveyor 362 and the lower conveyor 364 are aligned and reach the adjustment chamber 20. Thus, the tray T lowered by the lift conveyor 340 can be transported to the adjustment chamber 20, and the empty tray T placed in the adjustment chamber 20 can be transported to the lift conveyor 340.

  The first and second transport conveyors 320 and 360 are controlled by the control panel (not shown) provided in the adjustment chamber 20 to control the rotational drive of the drive rollers, and the elevator conveyor 340 is provided adjacent to the control panel (e.g. Up and down drive control is performed by two buttons. Although it is preferable that the first conveyer 320, the elevating conveyor 340, and the second conveyer 360 be independently controllable, each conveyer may be automatically controlled by adjusting the timing. .

(Plant delivery method)
The plant conveyance method by the plant conveyance system 1 described above will be described in detail. First, the case of transporting the harvested material H2 from the cultivation unit 140 on the first floor will be described. First, the operator operates the control panel of the adjustment chamber 20 to drive the upper conveyor 322 of the first transfer conveyor 320a. After driving, the harvester W disposed between the first transport conveyor 320a and the cultivation unit 140 harvests the plant H1 from the cultivation panel 144 adjacent to the conveyor, and places the plant H1 in the tray T placed nearby. It accommodates and mounts this on the upper stage conveyor 322. The harvester W repeats the above-described harvesting operation on all the cultivation panels 144 in the vicinity of the first conveyer 320 a along the Y direction.

  The tray T accommodating the harvested product H2 placed on the upper stage conveyor 322 of the first conveyor 320a is conveyed by the driving roller, and conveyed to the adjustment chamber 20 through the inclined portion 326. At this time, the distance between the adjacent drive rollers is wide, in other words, when the distance between the free rollers is long and the tray T is not laid on the upper conveyor 322, the tray T moves at the free rollers. Although it may stop, the harvester W may push out the tray T by hand at that time. In order to avoid such a situation, it is preferable to make the distance of the free roller group shorter than the length of one side of the tray T.

  After taking out the harvested product H2 in the adjustment chamber 20, the operator of the adjustment chamber 20 places the empty tray T on the lower conveyor 364 of the second conveyance conveyor 360 and drives the drive roller of the conveyor. The tray T is transported to the junction point P, and at the junction point P, the drive roller directed to the first conveyor 320a is driven to return the tray T to a predetermined position. When the trays T are returned, the harvester W places the trays T at predetermined positions near the juxtaposed cultivation units 140 respectively. In addition, after harvesting the plant H1, the harvester W takes out the cultivation panel 144 from which the plant H1 has been removed from the cultivation bed 142, places it in a predetermined place, or conveys it to the adjustment room 20 by the upper conveyor 322. After the cultivation panel 144 is taken out, the cultivation panel 144 on the opposite side from which the cultivation panel 144 was taken out is pushed to the first transport surface 320a side, and a new cultivation panel 144 where the plant H1 has just been planted is grown. The plant transportation method for transporting the harvested product H2 from the cultivation unit 140 on the first floor by placing on the liquid fertilizer L of the above is completed.

  Next, the case of transporting the harvested material H2 from the cultivation unit 140 on the second floor will be described. The operation until the harvested product H2 is placed on the first conveyer 320b is the same as that of the first conveyer 320a, and thus the description thereof is omitted here.

  The tray T accommodating the harvested product H2 placed on the upper stage conveyor 322 of the first conveyor 320b is conveyed to the elevating conveyor 340 by the driving roller. An operator is disposed between the first conveyer 320 b and the elevating conveyor 340, and the operator manually moves the tray T from the upper conveyor 322 onto the slat 346 of the elevating conveyor 340 as appropriate.

  An operator is disposed between the elevating conveyor 340 and the second conveyor 360, and the tray T lowered by the operator is properly read from the slat 346 of the elevating conveyor 340 to the upper stage conveyor of the second conveyor 360. Manually move it onto 362. The tray T accommodating the harvested product H2 placed on the upper conveyor 362 of the second conveyor 360 is conveyed by the driving roller, and conveyed to the adjustment chamber 20 through the inclined portion 366.

  After taking out the harvested product H2 in the adjustment chamber 20, the operator of the adjustment chamber 20 places the empty tray T on the lower conveyor 364 of the second conveyance conveyor 360 and drives the drive roller of the conveyor. The tray T is returned to the elevating conveyor 340. After returning, the operator manually moves the empty tray T from the lower conveyer 364 of the second conveyer 360 to the slat 346 of the lift conveyer 340 by hand as appropriate, until the tray T reaches the predetermined floor, here the second floor. Raise it. After the ascent, a worker on the upper floor appropriately moves the empty tray T manually from the slat 346 of the elevator conveyor 340 onto the lower conveyor 324 of the first conveyer 320 b and returns it to a predetermined position. The subsequent operation and the extrusion operation of the cultivation panel 144 are as described above. Moreover, since the operation | movement of the conveying apparatus 30 is the same as that of the case where the harvested material H2 of a 2nd floor is conveyed also in 3rd-4th floor, description here is abbreviate | omitted.

  According to the present embodiment described above, the cultivation unit 140 having the cultivation panel 144 having the plant H1 at the harvest time is the transport device 30 capable of transporting the harvested material H2 to the adjustment chamber 20, and the cultivation panel 144 side is Because they are adjacent and juxtaposed along the transport device 30, the plants H1 can be harvested and transported very efficiently. Furthermore, since the transport device 30 is positioned between the cultivation unit groups 140a, the harvested product H2 can be placed intensively on the transport device 30, and the occupation of the space in the cultivation room 10 is minimized. It can be suppressed.

  In the present embodiment, it has been described that the horizontal portions of the first and second conveyors 320 and 360 are configured by free rollers and drive rollers, but all rollers may be configured by free rollers. In this case, the tray T may be installed so as to form a gentle slope so that the tray T descends the slope, or a form in which the operator manually pushes the tray T by hand. Similarly, all the rollers may be constituted by drive rollers. Furthermore, the upper and lower conveyors 322, 324, 362, and 364 may be a belt type conveyor or a chain type conveyor on which the tray T can be placed, instead of the roller type conveyor.

  Further, in the present embodiment, the plurality of cultivation units 140 are described as being juxtaposed in the Y direction orthogonal to the continuation X direction of the cultivation panels 144, but the present invention is not limited to this. The cultivation units 140 may be juxtaposed along at least the direction intersecting the X direction (cross direction), in other words, the direction in which the first transfer conveyor 320 extends.

  Further, in the present embodiment, it has been described that the tray T is moved manually from the first transfer conveyors 320b to 320d to the elevating conveyor 340, but may be automatically performed. For example, driving rollers for pushing the elevating conveyor 340 are provided at positions (end parts etc.) close to the elevating conveyor 340 in the upper and lower conveyors 322 and 324 of the first conveyers 320b to 320d. Then, when harvesting the plant H1 on the second floor, the elevation conveyor 340 is kept for a certain time until the tray T is pushed out and placed on one slat 346 by the drive roller for the extrusion of the first conveyor 320b. It is stopped, and intermittent operation is performed so that the slat 346 is lowered after the tray T is placed on the slat 346. At this time, the stop time and the drive time of the lift conveyor 340 may be appropriately set according to the size of the tray T. Alternatively, a sensor may be provided to detect the position of the tray T, and the drive of the drive roller for extrusion and the drive of the lifting conveyor 340 may be controlled. This can also be diverted when the empty tray T is transported from the second transport conveyor 360 to the elevation conveyor 340.

  Further, in the present embodiment, it has been described that the tray T is moved manually from the lift conveyor 340 to the second conveyer 360, but may be automatically performed. For example, an extrusion mechanism such as a piston capable of reciprocating is provided at a desired position on or around the elevation conveyor 340, and elevation is performed at a position where the upper surface of the slat 346 and the upper surface of the upper conveyor 362 of the second conveyor 360 are flush with each other. The drive of the conveyor 340 is stopped. After stopping, the tray T can be moved onto the upper conveyor 362 by pushing out the tray T by the pushing mechanism. Note that this pushing may be performed while the elevating conveyor 340 is in operation. The stop time and drive time of the lift conveyor 340 may be appropriately set according to the size of the tray T. Alternatively, a sensor may be provided to detect the position of the tray T to stop driving the lifting conveyor 340 or to start pushing. In addition, this can be diverted also when conveying the empty tray T from the raising / lowering conveyor 340 to 1st conveyance conveyor 320b-320d.

  The present invention can be implemented in other various forms without departing from the gist or main features thereof. Therefore, the foregoing embodiments are merely illustrative in every respect and should not be construed as limiting. The scope of the present invention is indicated by the claims, and is not restricted at all by the text of the specification. Moreover, all variations, improvements, alternatives and modifications that fall within the equivalent scope of the claims are all within the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 plant conveyance system 142 cultivation bed 144 cultivation panel 30 conveyance apparatus 322,362 upper stage conveyor (1st conveyance part)
322, 364 lower conveyor (second transport unit)
340 Lifting Conveyor (3rd Conveying Unit)
H1 plant T tray (container)

Claims (8)

A plurality of cultivation beds in which liquid fertilizers are stored, and a plurality of cultivation panels in which plants are planted are juxtaposed in one direction on the liquid fertilizers, and juxtaposed in a predetermined cross direction intersecting the one direction;
In the vicinity of a predetermined one end in the one direction of the plurality of cultivation beds, it is provided to extend in the cross direction, and the plant harvested from the cultivation panel located at the one end is transported to a predetermined position And a conveying device. The plant transportation system according to claim 1, wherein the plurality of cultivation beds are juxtaposed two apart from each other in the one direction, and the conveyance device is provided between the two or more cultivation beds. . The plants have different degrees of growth for each cultivation panel,
The plant cultivation system according to claim 1 or 2, wherein the cultivation panels are juxtaposed so that the degree of plant growth increases toward the one end side. The transport device transports a plant stored in a container in a first transport direction, and a second transport unit transports a container in a second transport direction opposite to the first transport portion. It has a conveyance part. The plant conveyance system as described in any one of the Claims 1-3 characterized by the above-mentioned. The plant transfer system according to claim 4, wherein the first and second transfer units have a free roller and a drive roller. Each of the plurality of cultivation beds is provided in multiple stages in the vertical direction, and the transfer device is provided in multiple stages in the vertical direction corresponding to the plurality of cultivation devices provided in the multiple stages. The plant conveyance system as described in any one of claim | item 5 paragraph. The plant transfer system according to claim 8, wherein the transfer device includes a third transfer unit that transfers the plants transferred from the plurality of transfer devices provided in the multistage downward. The third transport unit transports downward the plants contained in the containers transported respectively from the plurality of transport devices provided in the multistage, and also transfers the containers to the plurality of transport devices provided in the multistage. The plant delivery system according to claim 7, wherein the plant delivery system is transported upward for return.

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