WO2011080819A1

WO2011080819A1 - Plant cultivation device

Info

Publication number: WO2011080819A1
Application number: PCT/JP2009/071752
Authority: WO
Inventors: 武史近藤
Original assignee: タイムオートマシン株式会社
Priority date: 2009-12-28
Filing date: 2009-12-28
Publication date: 2011-07-07

Abstract

The disclosed plant cultivation device (10) is provided with: a cultivation chamber (11) for housing and cultivating plants (26); a cultivation shelf (14) having a plurality of levels and provided within the cultivation chamber (11); a culture solution tank (20) that is installed on the cultivation shelf (14) and wherein culture solution (21) for culturing the plants (26) is housed; a cultivation bed (22) disposed floating in the culture solution tank (20) and equipped with a plant growth medium (23); an air-conditioning device (12) that controls the temperature and humidity with the cultivation chamber (11); and an artificial light source (13) that radiates light necessary for the growth of the plants (26). A plurality of cultivation beds (22) can be disposed in the culture solution tank (20). The present disclosures are characterized by being provided with a conveying member (24) that pushes one of the cultivation beds (22) disposed in the culture solution tank (20) from one end (20A) of the culture solution tank (20) out towards the other end (20B), enabling the conveyance of another cultivation bed (22) from one end (20A) of the culture solution tank (20) towards the other end (20B).

Description

Plant cultivation equipment

The present invention relates to a plant cultivation apparatus for efficiently cultivating a plant without being influenced by weather or the like.

2. Description of the Related Art Conventionally, a plant cultivation apparatus that automatically cultivates a plant, including an illumination device that irradiates light to a plant and a device that supplies water and fertilizers necessary for plant growth, has been studied.
As such a plant cultivation device, for example, Patent Document 1 proposes a device including a cultivation shelf for plants arranged in multiple stages, a cultivation bed stored in the cultivation shelf, and a plant growth promoting device. . This plant cultivation device is provided with an elevator for moving the cultivation bed between shelves and a delivery device for delivering the cultivation bed to the elevator.

Patent Document 2 proposes a method for cultivating a plant in a completely light-shielding closed structure equipped with an artificial lighting device that irradiates light to the plant, irrigation equipment, and the like.
JP-A-7-111828 JP 2002-291349 A

(Problems to be solved by the invention)
In the apparatus described in Patent Document 1, as described in FIG. 2 of the document, a large number of cultivation beds are arranged on a one-stage cultivation shelf. In this plant cultivation device, when the cultivation bed is moved, it is necessary to move the elevator and the delivery device to the vicinity of the place where each cultivation bed is arranged. Therefore, the elevator and the delivery device are moved for each cultivation bed. Space is needed. As a result, a large space is required to install this plant cultivation apparatus.

According to the method proposed in Patent Document 2, it is possible to cultivate a plant without being influenced by the weather or the surrounding environment, but means for moving a cultivation bed in which a medium for plant growth is placed. I do not have. Therefore, it is necessary to perform all operations for moving the cultivation bed up and down or left and right manually, which is not efficient.
This invention is completed based on the above situations, Comprising: It aims at providing the plant cultivation apparatus which can grow a plant efficiently in a space-saving.
(Means for solving the problem)

In order to solve the above-mentioned problems, the present invention provides a cultivation room for housing and cultivating plants, a plurality of cultivation shelves provided in the cultivation room, and a culture solution that is installed on the cultivation shelf and cultures the plants. Necessary for the growth of the plant, the culture bed that is floated on the culture solution tank and includes the culture medium for plant growth, the air conditioner that controls the temperature and humidity in the cultivation room, An artificial light source that emits light, and a plurality of the cultivation beds can be arranged in the culture solution tank, and one of the cultivation beds arranged in the culture solution tank is disposed in the culture solution tank. It is a plant cultivation apparatus characterized by providing a conveying member that is pushed out from one end in the direction of the other end so that another cultivation bed can be conveyed from one end of the culture broth to the other end.

In the present invention, when one of the plurality of cultivation beds arranged in the culture solution tank is pushed out from one end of the culture solution tank to the multi-end direction by the conveying member, the cultivation bed adjacent to the extruded cultivation bed is The cultivation bed pushed out and the cultivation bed pushed out further extrudes an adjacent cultivation bed, and the cultivation bed sequentially moves from one end of the culture bath to the other end. That is, in this invention, since the cultivation bed arrange | positioned in the culture solution tank can be conveyed by pushing out one cultivation bed with a conveyance member, the space for conveying a cultivation bed is unnecessary. Moreover, in this invention, when moving a cultivation bed to another stage, it is not necessary to provide a movement space for every cultivation bed, and there should just be a space which can move the cultivation bed of the other end of a culture solution tank. You don't need big space for moving up and down.

Furthermore, the cultivation apparatus of the present invention also includes a multi-stage culture solution tank in which a culture solution for cultivating the plant is accommodated, an air conditioner, and an artificial light source in a cultivation room for accommodating and cultivating the plant. As a result, according to the present invention, plants can be cultivated efficiently in a space-saving manner.

The present invention may have the following configuration.
You may provide the moving member which moves the said cultivation bed to the cultivation shelf of another step. With such a configuration, the cultivation bed can be efficiently moved to another stage.

The cultivation bed may be automatically supplied to one end of the culture solution tank, and a carry-out device for automatically carrying out the cultivation bed from the other end of the culture solution tank may be provided. With such a configuration, the operation of carrying out the cultivation bed pushed out by the conveying member and moved to the other end from the conveyed culture solution tank to the outside or another culture solution tank, and cultivation at one end of the culture solution tank Since the operation of newly supplying the cultivation bed to the space formed by extruding the bed with the conveying member can be automated, the efficiency is high.

The cultivation room may be a structure surrounded by a sealed heat insulating wall. With such a configuration, energy saving can be achieved.

The artificial light source may be configured to be selected from a light emitting diode that emits visible light having a wavelength range of 400 nm to 500 nm and a light emitting diode that emits visible light having a wavelength range of 620 nm to 700 nm. Such a configuration is preferable because a light having a wavelength suitable for plant growth can be irradiated to the plant using a light source having a long life.

You may provide the conveyance speed control means which controls at least one among the speed which the said cultivation bed moves to the other end from the said culture solution tank, and the timing which supplies the said culture bed to the one end of the said culture solution tank. . With such a configuration, the conveyance speed can be controlled according to the growth of the plant.

A wavelength control means for controlling the wavelength of the artificial light source may be provided. With such a configuration, light having a wavelength suitable for the kind of plant and the growth stage is emitted from the artificial light source.

You may provide the remote operation apparatus which is connected so that communication with a plant cultivation apparatus and a communication line is possible, and operates the said plant cultivation apparatus remotely. With such a configuration, part or all of the work when cultivating plants can be performed by remote operation, and work efficiency is improved.
(The invention's effect)

According to the present invention, it is possible to provide a plant cultivation apparatus that can grow plants efficiently in a space-saving manner.

FIG. 1 is a diagram schematically showing a part of the cultivation room of the plant cultivation apparatus of Embodiment 1 from the side surface direction. FIG. 2 is a schematic view schematically showing the first stage cultivation shelf from the upper surface. Drawing 3 is a mimetic diagram showing signs that a cultivation bed is conveyed by a conveyance member. FIG. 4 is a side view of the moving member. FIG. 5 is a top view of the moving member.

DESCRIPTION OF SYMBOLS 10 ... Plant cultivation apparatus 11 ... Cultivation room 12 ... Air conditioner 13 ... Artificial light source 14 ... Cultivation shelf 20 ... Culture solution tank 20A ... One end of culture solution tank 20B ... Other end of culture solution tank 21 ... Culture solution 22 ... Cultivation bed 24 ... conveying member 24A ... first conveying member 24B ... second conveying member 24C ... third conveying member 26 ... plant 30 ... moving member 31 ... elevating member 32 ... arm part

<Embodiment 1>
A plant cultivation apparatus 10 according to Embodiment 1 embodying the present invention will be described with reference to FIGS.
The plant cultivation apparatus 10 of this embodiment includes a cultivation room 11 having a substantially rectangular parallelepiped shape. In this embodiment, as the cultivation room 11, the freezing container which is a structure enclosed with the heat-insulating wall surface sealed is used. Here, it is preferable to use a used refrigerated container or the like as the cultivation room 11 because it can be effectively used what is disposed of.

In the cultivation room 11, as shown in FIG. 1, an air conditioner 12 that controls the temperature and humidity in the cultivation room 11, an artificial light source 13 that emits light necessary for growing the plant 26, and five-stage cultivation a shelf 14, the moving member 30, CO ₂ and CO ₂ supply device 16 for supplying the cultivation chamber 11 is provided to move the cultivation bed 22. 1 in the cultivation room 11 is a space 11A in which the moving member 30 moves, and the cultivation shelf 14 is arranged in the right part of FIG.

In the present embodiment, a known device such as a blower or an air conditioner can be used as the air conditioner 12.
As the artificial light source 13, a fluorescent lamp, a light emitting diode (LED), or the like can be used. Of these light sources 13, a light emitting diode is preferable in that it has a long lifetime. From the viewpoint of having a long lifetime and being able to irradiate light suitable for the growth of the plant 26, the artificial light source 13 is a light emitting diode that emits visible light having a wavelength range of 400 nm to 500 nm, and a wavelength range of 620 nm or more. It is particularly preferable to use one selected from light emitting diodes that emit visible light of 700 nm or less. The artificial light source 13 is more preferably provided with a wavelength control means (not shown) that can irradiate the plant with light having a wavelength suitable for the type of plant 26 and the stage of growth.

As shown in FIG. 2, each of the five-stage cultivation shelves 14 is provided with a substantially U-shaped culture solution tank 20 in which a culture solution 21 for cultivating the plant 26 is accommodated. In the culture solution tank 20, a plurality of cultivation beds 22 are arranged in a floating state.

A conveying member 24 is attached to each of the lower left end 20A of FIG. 2 and the two

corner portions

20C and 20D of the culture bath 20. Here, the conveying member 24A attached to the lower left end 20A of FIG. 2 is the first conveying member 24A, and the conveying member 24B attached to the lower right corner 20C of FIG. 2 is the second conveying member 24B. The transport member 24C attached to the upper right corner portion 20D in FIG. 2 is referred to as a third transport member 24C.

When each

conveyance member

24A, 24B, 24C is moved in the direction shown in FIG. 2, as shown in FIG. 3, the end surface of the cultivation bed 22 is pushed by the arm 25 of the conveyance member, and this cultivation bed 22 is pushed out. The cultivation bed 22 thus pushed out further pushes the adjacent cultivation bed 22, and the cultivation bed 22 sequentially turns from the lower left end 20 A (corresponding to one end) of the culture liquid tank 20 to the upper left end 20 B (equivalent to one end) ( It corresponds to the direction of the other end). 2 and 3 show the culture solution tank 20 of the cultivation shelf 14 at the uppermost stage (first stage), and the same applies to the odd-numbered stages (third stage and fifth stage). . However, in the even-numbered (second-stage, fourth-stage) cultivation shelf 14, the movement direction of the cultivation bed 22 is from the upper left end 20B in FIG. 2 to the lower left end 20A in FIG. The direction is opposite to the step. In the following description, the start part and the terminal part in the moving direction of the cultivation bed 22 out of the end part of the culture broth 20 are defined as the start and the end, respectively.

In this embodiment, the transport member 24 is moved by turning on a transport member moving device (not shown). The conveying member moving device has a function of adjusting the moving speed of the conveying member 24 and the like, and thereby the speed at which the cultivation bed 22 moves from the start end (one end 20A) to the end end (the other end 20B) of the culture bath 20. (Conveyance speed) is controlled. In the apparatus provided with such a conveyance speed control means, the conveyance speed can be controlled in accordance with the growth of the plant 26.

As the culture solution 21 accommodated in the culture solution tank 20, a mixture of fertilizer or the like according to the type of the plant 26 is used in water. The cultivation bed 22 arranged to float on the culture solution 21 includes a plant growth medium 23. Examples of the plant growth medium 23 include rock wool, peat moss, vermiculite, and the like, which is selected according to the type of plant 26 to be grown.

Examples of the plants 26 cultivated in the plant cultivation apparatus 10 of the present embodiment include tomatoes, strawberries, salad vegetables, lettuce, cauliflower radishes, broccoli, herbs (basil, rosemary, etc.), medicinal herbs (saffron, dokudami, etc.) and the like. can give. In the plant cultivation apparatus 10 of the present embodiment, two or more types of plants 26 may be cultivated.

The moving member 30 is arranged on the left side of the cultivation shelf 14. The moving member 30 has a function of moving the cultivation bed 22 up and down and a function of supplying the cultivation bed 22 to the culture solution tank 20 and carrying out the cultivation bed 22 from the terminal end 20 B of the culture solution tank 20. In the present embodiment, the moving member 30 has a function of automatically moving the cultivation bed 22 up and down, supplying the cultivation bed 22, and carrying out the cultivation bed 22, and is provided in the culture solution tank 20 in the cultivation bed 22. Has a function of controlling the timing of supplying.

As shown in FIGS. 1 and 4, the moving member 30 is attached to the rail 15 provided in the vertical direction of the cultivation room 11 and moves up and down, and is connected to the lifting member 31 and the cultivation bed 22. And a pair of arm portions 32 that are moved while being sandwiched therebetween.

The arm portion 32 is extendable as shown in FIGS. 4 and 5. When the arm part 32 moves up and down by the elevating member 31, it is in a contracted state. The arm unit 32 has a function of carrying out the cultivation bed 22 from the culture solution tank 20 and supplying the cultivation bed 22 to the culture solution tank 20.

A chuck claw 34 that chucks the cultivation bed 22 is arranged on the most distal end side when the arm portion 32 is in an extended state (referred to as a clamping arm 33), and has a single clamping arm 33. A total of four are provided (see FIG. 5). A portion of the arm portion 32 that is arranged adjacent to the inside of the sandwiching arm 33 is a holding arm 35 that moves the pair of sandwiching arms 33 in a direction that narrows the interval to hold the cultivation bed 22 in a chucked state. . Of the arm portion 32, a portion 36 connected to the elevating member 31 is a support arm 36 that supports the holding arm 35 and the sandwiching arm 33.

The cultivation bed 22 held in a chucked state by the sandwiching arm 33 and the holding arm 35 is lifted upward by moving the lifting member 31 upward. The arm portion 32 can be reduced in a state where the holding arm 33 lifts the cultivation bed 22. In addition, in FIG. 5, a mode that the cultivation bed 22 moves by the expansion-contraction of the arm part 32 is drawn with the broken line.

In the present embodiment, the air conditioner 12, the artificial light source 13, the moving member 30, and the conveying member 24 are operated remotely by a remote operation device (not shown) that is connected to the plant cultivation device 10 through a communication line. Is possible.

Next, an example of a method for cultivating the plant 26 using the plant cultivation apparatus 10 of the present embodiment will be described.
First, the cultivation bed 22 is created by rooting the plant 26 to be cultivated in the plant growth medium 23. The created cultivation bed 22 is supplied to the starting end 20A (lower left end 20A in FIG. 2) of the culture solution tank 20 installed on the cultivation shelf 14 at the uppermost stage (first stage) of the cultivation room 11 by the moving member 30. When supplying the cultivation bed 22 to the culture solution tank 20, the arm portion 32 is extended and the cultivation bed 22 held between the holding arms 33 is arranged on the culture solution tank 20 and the lifting member 31 is moved downward. When the holding arm 35 is reduced after being moved to release the chucked state, the cultivation bed 22 is released to the culture solution 21 and floats. Thereafter, when the elevating member 31 is moved upward and the arm portion 32 is reduced, the moving member 30 can move up and down.
When the cultivation bed 22 is sequentially supplied to the culture solution tank 20 in this way, the cultivation bed 22 supplied first is pushed by the cultivation bed 22 supplied second and moves to the end 20B side. That is, by supplying the cultivation bed 22 to the start end 20A of the culture solution tank 20, the cultivation bed 22 can be moved from the start end 20A toward the end 20B. Here, when the cultivation bed 22 supplied first reaches the end 20B, the timing for supplying the cultivation bed 22 to the starting end 20A of the culture bath 20 is set so as to finish the growth in the first stage.

Next, the first supplied cultivation bed 22 reaching the end 20B of the culture bath 20 is moved by the moving member 30 to the lower cultivation shelf 14. In this operation, after moving the moving member 30 up to the uppermost cultivation shelf 14, the lifting / lowering member 31 is lowered with the arm portion 32 extended, and the chuck claw 34 of the holding arm 33 is moved to the culture solution tank. 20, the chuck claw 34 is brought into contact with the end of the cultivation bed 22.

Next, the cultivation bed 22 is chucked by operating the arm portion 32 in the direction of narrowing the interval to reduce the interval of the holding arms 33, and the raising / lowering member 31 is raised to lift the cultivation bed 22 while maintaining this chucked state. . When the arm portion 32 is reduced in a state where the cultivation bed 22 is lifted, the cultivation bed 22 moves to the moving space 11A side (left side in FIG. 1) of the moving member 30. In this state, the elevating member 31 is further moved downward, and the cultivation bed 22 carried from the first stage cultivation shelf 14 is supplied to the culture solution tank 20 installed on the second stage cultivation shelf 14. The operation of supplying the cultivation bed 22 to the culture solution tank 20 of the second-stage cultivation shelf 14 is performed in the same procedure as the operation of supplying the cultivation bed 22 to the culture solution tank 20 of the first-stage cultivation shelf 14.
Here, in this embodiment, in the culture solution tank 20 of the odd-numbered cultivation shelf 14, the cultivation bed 22 is located at the end located below the lower left end portion 20 A in FIG. 2 of the first cultivation solution tank 20. In the culture solution tank 20 of the even-numbered cultivation shelf 14, the cultivation bed 22 is located at the end portion of the culture solution tank 20 of the first-stage cultivation shelf 14 located below the upper left end portion 20 B in FIG. 2. Is supplied.

When the cultivation bed 22 supplied first in this way is supplied to the second-stage cultivation shelf 14, one cultivation bed 22 is provided at the end 20 B of the culture solution tank 20 installed on the uppermost cultivation shelf 14. Space.

Next, the conveying member 24 is moved in the direction shown in FIG. 2, and the remaining cultivation bed 22 is moved from the start end 20 A to the end end 20 B of the culture broth 20. Specifically, as shown in FIG. 2, when the third transport member 24C is moved in the left direction, the cultivation bed 22 pushed out by the third transport member 24C pushes out the adjacent cultivation bed 22, and the second When the transport member 24B is moved upward, the cultivation bed 22 pushed out by the second transport member 24B pushes out the adjacent cultivation bed 22, and when the first transport member 24A is moved in the right direction, the first The cultivation bed 22 pushed out by the conveying member 24A pushes out the adjacent cultivation bed 22, and the cultivation bed 22 sequentially moves to the end 20B side. By moving the cultivation bed 22 from the start end 20A to the end 20B, there is a space for one cultivation bed 22 on the start end 20A side of the culture bath 20, so that the cultivation bed 22 is newly supplied to this space. . Here, the conveyance speed by the conveyance member 24 is set according to the growth of the plant 26.
In the present embodiment, as described above, in the culture solution tank 20 of the third and fifth stage cultivation shelves 14, the lower left end portion 20 A shown in FIGS. Then, the cultivation bed 22 moves in a direction in which the upper left end 20B ends. In the second and fourth stage cultivation shelves 14, the cultivation bed 22 extends in a direction starting from the upper left end 20 B in FIGS. 2 and 3 and ending in the lower left end 20 A in FIGS. 2 and 3. Move.

By repeating the above-described operation, the plant 26 of the cultivation bed 22 is brought into a state where it can be harvested and is carried out from the end of the bottom culture solution tank 20. Here, in each cultivation shelf 14, it sets so that the light of the wavelength suitable for the growth state of the plant 26 may be emitted from the light source 13.

Next, the effect of this embodiment will be described.
In this embodiment, since the cultivation bed 22 arrange | positioned in the culture solution tank 20 can be conveyed by pushing out one cultivation bed 22 with the conveyance member 24, the space for conveying the cultivation bed 22 is unnecessary. is there. Moreover, in this embodiment, when moving the cultivation bed 22 to the cultivation shelf 14 of another stage, it is not necessary to provide a movement space for every cultivation bed 22, and the cultivation bed 22 of the terminal 20B of the culture solution tank 20 is used. Since there is enough space to move, a large space is not required for moving up and down.

Furthermore, the cultivation apparatus according to the present embodiment includes a plurality of culture liquid tanks 20 in which a culture liquid 21 for cultivating the plant 26 is accommodated in the cultivation room 11 for accommodating and cultivating the plant 26, the air conditioner 12, An artificial light source 13 is also provided. As a result, according to this embodiment, the plant 26 can be cultivated efficiently in a space-saving manner.

Moreover, according to this embodiment, since the moving member 30 which moves the cultivation bed 22 to the cultivation shelf 14 of another step is provided, the cultivation bed 22 can be efficiently moved to another step.

In addition, according to the present embodiment, the cultivation bed 22 is automatically supplied to the start end of the culture solution tank 20 (the end indicated by 20A in the case of the first-stage cultivation shelf 14), and the end of the culture solution tank 20 (one step). Since it has the moving member 20 (equivalent to the carrying-out apparatus) which has the function to carry out the cultivation bed 22 automatically from the cultivation shelf 14 of the eye (end part shown by 20B), it is extruded by the conveyance member 24 and is terminated ( 20B) The operation of carrying out the cultivation bed 22 moved in the direction from the culture medium tank 20 that has been conveyed to the outside or another culture medium tank 20, and the cultivation bed 22 at the beginning (20A) of the culture medium tank 20 as a conveying member The work of newly supplying the cultivation bed 22 to the space formed by extruding with 24 can be automated and efficient.

Moreover, according to this embodiment, since the freezing container which is a structure enclosed with the sealed heat insulating wall surface is used as the cultivation room 11, it can be set as energy saving.

Moreover, the plant cultivation apparatus of this embodiment includes a conveying member moving device having a function of controlling the speed at which the cultivation bed 22 moves from the start end (20A) to the end end (20B) of the culture solution tank 20, and the culture solution tank 20. The moving member 20 which has a function which controls the timing which supplies the cultivation bed 22 to a start end (20A) is provided. That is, according to this embodiment, since the conveyance speed control means is provided, the conveyance speed can be controlled in accordance with the growth of the plant 26.

Further, according to the present embodiment, since the wavelength control means for controlling the wavelength of the artificial light source 13 is provided, light having a wavelength suitable for the type of plant 26 and the growth stage can be emitted.

Furthermore, according to this embodiment, since it is connected to the plant cultivation device 10 through a communication line so as to be communicable and includes a remote operation device for remotely operating the plant cultivation device 10, one of the operations when cultivating the plant 26 is performed. It is possible to perform part or all by remote control, and work efficiency is improved.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) Although the said embodiment showed what was provided with the moving member which moves a cultivation bed to the cultivation shelf of another stage, it moves a cultivation bed to the cultivation shelf of another stage by a human hand irrespective of a movement member. It may be a configuration.
(2) In the said embodiment, while providing the cultivation bed automatically to one end of a culture solution tank, what was equipped with the apparatus (elevating device which has an arm part) which automatically carries out a cultivation bed from the other end of a culture solution tank was shown. However, the supply and unloading of the cultivation bed may be performed manually.
(3) In the said embodiment, although the freezing container was shown as a cultivation room, a plastic greenhouse etc. may be sufficient.
(4) In the above-described embodiment, the cultivation bed conveyance speed control means is shown. However, the cultivation bed may not include the conveyance speed control means.
(5) In the above embodiment, the remote control device connected to the plant cultivation device via the communication line is shown. However, the present invention is not limited to this. It may be operable by turning on a switch provided inside or outside the cultivation room.

Claims

A cultivation room for containing and cultivating plants, a plurality of stages of cultivation shelves provided in the cultivation room, a culture solution tank installed in the cultivation shelf and containing a culture solution for culturing the plant, and the culture solution A cultivation bed arranged in a tank and having a plant growth medium, an air conditioner that controls the temperature and humidity in the cultivation room, and an artificial light source that emits light necessary for growing the plant,
A plurality of the cultivation beds can be arranged in the culture solution tank, and
A conveying member that extrudes one of the cultivation beds arranged in the culture broth from one end of the culture broth toward the other end and allows the other cultivation bed to be conveyed from one end of the culture broth to the other end. A plant cultivation apparatus characterized by comprising:
The plant cultivation apparatus according to claim 1, further comprising a moving member that moves the cultivation bed to a cultivation shelf at a different stage.
The said culture | cultivation bed is equipped with the carrying-out apparatus which automatically supplies the said cultivation bed to the one end of the said culture solution tank, and carries out the said cultivation bed automatically from the other end of the said culture solution tank. The plant cultivation apparatus described in 1.
The plant cultivation apparatus according to any one of claims 1 to 3, wherein the cultivation room is a structure surrounded by a sealed heat insulating wall surface.
The artificial light source is selected from a light emitting diode that emits visible light having a wavelength range of 400 nm to 500 nm and a light emitting diode that emits visible light having a wavelength range of 620 nm to 700 nm. The plant cultivation apparatus as described in any one of Claim 1 thru | or 4.
It comprises transport speed control means for controlling at least one of a speed at which the cultivation bed moves from one end of the culture broth to the other end and a timing at which the culture bed is supplied to one end of the culture broth. The plant cultivation device according to any one of claims 1 to 5.
The plant cultivation apparatus according to any one of claims 1 to 6, further comprising wavelength control means for controlling a wavelength of the artificial light source.
A plant cultivation comprising a remote operation device that is connected to the plant cultivation device according to any one of claims 1 to 7 in a communicable manner via a communication line and remotely operates the plant cultivation device. apparatus.