JP2013013379A - Plant cultivation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plant cultivation device allowing to easily and accurately perform water supply to a cultivation layer for growing plants.SOLUTION: The plant cultivation device is such that a thin plate-like insertion base body 50b3 whose upper end part is formed into a pointed shape is provided in an upwardly protruding manner on the upper end central part of a lower square cylindrical portion 50b2 located at a central position of a bottom plate 50b1A of an upper box-like portion 50b1, the insertion base body 50b3 is supported by a support bar 50b7, and an inserted water conveyance portion 59 is formed by locking a string-like body 54 to an upper slit portion 50b5 of the insertion base body 50b3 and additionally providing the string-like body 54 on the insertion base body 50b3. The lower part of the string-like body 54 is vertically suspended to the bottom of a water storage portion 60 in the lower square cylindrical portion 50b2 so as to form a supply part 62. Rock wool forming a cultivation layer 58 is supported on the bottom plate 50b1A in an inner container 50b in a condition of inserting the inserted water conveyance portion 59 from the central lower side.

Description

  The present invention relates to a plant cultivation tool for easily cultivating plants such as vegetables.

  As a plant cultivating tool that can easily cultivate plants such as vegetables at home, JP 2009-165460 discloses that a used PET bottle is cut in half and the lower half is used as an outer container, with an entrance and exit. A plant cultivation container with half as the inner container is described.

  The plant cultivation container includes a main body that can be removably inserted into an inner container, and a water absorbing member that is held by the main body and guides water in the outer container to the upper surface side of the main body. A leg portion having a shape suitable for insertion without looseness at the entrance / exit of the container, and the entrance / exit having a shape suitable for fitting to an inner wall surface in the vicinity of the entrance / exit of the inner container coupled to an upper portion of the leg portion. And a lid portion having a shielding area larger than the cross-sectional area of the plant, and soil for plant cultivation is placed on the lid portion.

  In this plant cultivation container, there is provided an earth retaining member made of a material having water absorption for preventing soil from falling from the gap between the periphery of the main body and the inner wall surface of the inner container, and the inner side of the earth retaining member The area in the direction of shielding the container is set to be larger than the shielding area of the lid, the earth retaining member is brought into contact with the water absorbing member and fixed to the upper surface of the lid, and a large number of the lid and earth retaining members are provided. The root of the plant extends to the bottom of the outer container through the hole.

  This plant cultivation container uses soil, but when cultivating using a cultivation layer such as rock wool or mat-like fiber aggregate instead of soil, water is reliably supplied to the cultivation layer via a water absorbing member. There was a possibility that it could not be performed.

JP 2009-165460 A

  An object of the present invention is to provide a plant cultivation tool that can supply water easily and reliably to a cultivation layer capable of growing plants.

(1) The plant cultivation tool of the present invention is
One or more piercing water guiding portions projecting upward and capable of guiding an aqueous liquid by capillary action;
A support layer capable of supporting a cultivated layer capable of growing a plant in a state where the inserted water guiding portion is inserted from below;
Having a replenishment part for guiding the aqueous liquid from a water supply source to the insertion water introduction part,
The water-based liquid led from the water supply source to the piercing and guiding section by the replenishing section is introduced into the cultivation layer through the piercing and guiding section.

  The cultivation layer capable of growing plants can be easily supported by the support part and supplied by the replenishment part by inserting the introduction water guiding part protruding upward from below the cultivation layer where the plant can grow. Guarantee water supply by introducing an aqueous liquid (an aqueous solution that does not harm the growth of plants such as water or fertilizer-containing aqueous solution) from the water source to the cultivating layer through the piercing and guiding part. Can be done high.

  Moreover, a cultivation layer can also be replaced | exchanged by making it the state in which the cultivation layer was made to detach | leave from the penetration water introduction part, and the penetration introduction water part which protrudes upwards was inserted into another cultivation layer from the downward direction. .

  (2) In the plant cultivation tool of the present invention, the upper end portion of the piercing water guiding portion may have a pointed shape.

  In this case, since the upper end part of the piercing water guiding part has a pointed shape, the piercing water guiding part can be easily inserted into the cultivation layer.

  (3) The plant cultivation tool of the present invention is such that the aqueous liquid is continuously introduced by capillarity from the water supply source, through the replenishment section, to the insertion water introduction section, so that the aqueous liquid is contained in the cultivation layer. To be introduced.

  (4) The plant cultivation tool of the present invention may be configured such that the insertion water guiding part is provided on the support part.

  (5) In the plant cultivation tool of the present invention, the support part can support the lower side of the cultivation layer, and has water permeability and air permeability in the vertical direction.

  (6) The plant cultivation tool of the present invention may have a root prevention layer below the cultivation layer.

  In this case, since the roots of plants such as vegetables grown in the cultivation layer cannot pass through the root prevention layer, after cultivation of plants such as vegetables in the cultivation layer, the roots get tangled and the cultivation layer is replaced with a new one. In particular, it is possible to prevent troubles, and it is suitable for repetitive cultivation of plants such as vegetables by reusing the water retention layer.

(7) The plant cultivation tool of the present invention,
Having a cultivation container equipped with the support part,
In the cultivation container, the lower side of the cultivation layer may be supported on the support part.

  (8) The plant cultivation tool of the present invention may have a water storage section as a water supply source in the cultivation container.

  In the plant cultivating tool of the present invention, the cultivation layer can be easily supported by the support portion by setting the piercing water guiding portion protruding upward from below the cultivation layer capable of growing the plant. In addition to being able to support, the replenishment unit can guide the aqueous liquid from the water supply source to the piercing and guiding part, and introduce the aqueous liquid into the cultivation layer through the piercing and guiding part and perform water supply with high reliability.

  Moreover, a cultivation layer can also be replaced | exchanged by making it the state in which the cultivation layer was made to detach | leave from the penetration water introduction part, and the penetration introduction water part which protrudes upwards was inserted into another cultivation layer from the downward direction. .

It is a typical sectional view of a plant cultivation tool. It is typical sectional drawing of another plant cultivation tool.

  (1) The example of embodiment of the plant cultivation tool of this invention is demonstrated referring FIG.

  (1-1) The plant cultivation tool shown in FIG. 1 mainly includes a cultivation container 50 made of synthetic resin, a string-like body 54 capable of guiding an aqueous liquid by capillary action, and a cultivation layer 58 made of rock wool. .

  The cultivation container 50 includes a box-shaped outer container 50a having a square bottom shape and opening upward, and an inner container 50b inserted into the outer container 50a.

  The inner container 50b has a square cross section (not limited to this shape) on the lower side of the center portion of the bottom plate 50b1A of the upper box-shaped portion 50b1 in the upper opening of the square cross section (not limited to this shape) having a bowl-shaped portion 50b4 on the outer periphery of the upper end. ) Is projected downward. The inner container 50b is inserted into the outer container 50a so that the outer peripheral portion of the bowl-shaped portion 50b4 of the inner container 50b is substantially in contact with the inner peripheral surface of the outer container 50a. It is supported on the inner bottom surface. Two opposing portions of the peripheral wall of the lower rectangular tube portion 50b2 have cutout portions 50b6 formed in a substantially inverted U shape upward from the lower end.

  The lower rectangular tube portion 50b2 penetrates vertically, and a thin plate-like shape in which the upper end portion is formed in a pointed shape at the upper end central portion of the lower rectangular tube portion 50b2 that is the central position of the bottom plate 50b1A of the upper box-shaped portion 50b1. An insertion base body 50b3 protrudes upward. The base of the insertion base 50b3 is supported by a support bar 50b7 extending inward from the inner periphery facing the lower rectangular tube 50b2 of the bottom plate 50b1A.

  A slit portion 50b5 in the vertical direction is formed on the upper portion of the insertion base 50b3, and a string-like body 54 is hooked on the slit portion 50b5 and the string-like body 54 is attached to the insertion base 50b3. A water guide portion 59 is configured.

  A portion below the upper box-shaped portion 50 b 1 in the outer container 50 a is a water storage portion 60 that stores water, and water W is stored in the water storage portion 60.

  The lower part of the string-like body 54 hangs down from the bottom of the water storage part 60 in the lower rectangular tube part 50b2, and constitutes a supply part 62.

  The rock wool forming the cultivated layer 58 is supported on the bottom plate 50b1A in the inner container 50b with the piercing water guiding portion 59 inserted from below the central portion and the string-like body 54 in contact with the inside of the cultivating layer 58. Has been.

  The entire outer surface of the cultivation layer 58 is in contact with the inner surface of the upper box-shaped portion 50b1 over the entire circumference.

  The bottom plate 50b1A of the upper box-like portion 50b1 has through-holes J for water permeability and ventilation (preferably without a plurality of biases or without many). Water that cannot be retained in the cultivation layer 58 flows down to the water storage section 60 through the through holes J. Moreover, the lower part of the cultivation layer 58 has air permeability with the outside through the space on the through hole J and the water storage unit 60.

  On the cultivation layer 58, fine gravel can be arranged to prevent seeds sowed from flowing with water. Under the cultivation layer 58, a root-preventing layer having water permeability and air permeability and preventing root intrusion can be disposed between the bottom plate 50b1A in the inner container 50b.

  (1-2) This plant cultivator, for example, stores water in the water storage unit 60, sows the seeds of the plant cultivated on the cultivation layer 58, supplies water from above to the cultivation layer 58, and supplies the plant. Can be used for cultivation.

  The water guided from the water storage part 60 by capillary action by the lower part of the string-like body 54 constituting the replenishment part 62 is further supplied to the inside of the cultivation layer 58 with high certainty through the string-like body 54 in the insertion water introduction part 59. obtain. When a plant such as vegetables is cultivated in the cultivation layer 58, the water system stored in the water storage unit 60 is supplied even if water is reduced in the cultivation layer 58 without supplying water (or not sufficiently) from above. The liquid is guided to the inside of the cultivation layer 58, and moisture and the like necessary for cultivation are replenished.

  (2) Another example of the embodiment of the plant cultivation tool of the present invention will be described with reference to FIG.

  (2-1) The plant cultivation tool shown in FIG. 2 is mainly composed of a synthetic resin cultivation container 30, a mat-like water retention layer 32 in which natural fibers and / or synthetic fibers are irregularly assembled, and capillary action. It consists of a woven belt-like body 34 capable of guiding an aqueous liquid, a root prevention layer 36 made of a synthetic fiber woven fabric, and a cultivation layer 38 made of rock wool. The mat-like water retention layer 32 and the root prevention layer 36 on the upper side thereof are joined together.

  The cultivation container 30 includes a box-shaped outer container 30a that has a square bottom shape and opens upward, and an inner container 30b that is inserted into the outer container 30a.

  The inner container 30b has a square cross section (not limited to this shape) on the lower side of the center portion of the bottom plate 30b1A of the upper box-shaped portion 30b1 of the upper opening of the square cross section (not limited to this shape) having a bowl-shaped portion 30b4 on the outer periphery of the upper end. ) Is projected downward. In a state where the inner container 30b is inserted into the outer container 30a and the lower surface of the bowl-shaped portion 30b4 of the inner container 30b is supported by the upper end of the outer container 30a, the lower end of the inner container 30b is from the inner bottom surface of the outer container 30a. Located slightly above.

  At the center position of the bottom plate 30b1A of the upper box-shaped portion 30b1, a thin plate-like insertion base 30b3 whose upper end portion is formed in a pointed shape is projected upward so as to be integrated with the bottom plate 30b1A. A hooking hole 30b5 is formed in the upper portion of the insertion base 30b3, and the band-like body 34 is inserted into the hooking hole 30b5 and the band-like body 34 is attached to the insertion base 30b3. ing.

  A band-like body insertion hole 30b7 that communicates the inside of the upper box-like portion 30b1 and the inside of the lower rectangular tube portion 30b2 is formed at a position along the base end of the insertion base 30b3 in the bottom plate 30b1A of the upper box-like portion 30b1.

  A portion below the upper box-shaped portion 30 b 1 in the outer container 30 a is a water storage portion 40 that stores water, and water W is stored in the water storage portion 40.

  The lower part of the belt-like body 34 hangs down to the bottom of the water storage part 40 in the lower rectangular tube part 30b2 through the belt-like body insertion hole 30b7, and constitutes a supply part 42.

  The mat-like water-retaining layer 32 and the root-preventing layer 36 forming an integral body are disposed on the bottom plate 30b1A in the inner container 30b in a state where the piercing water guiding portion 39 penetrates the slit vertically formed in the central portion. The rock wool which forms the cultivation layer 38 in the state by which the upper half part of the penetration water introduction part 39 was penetrated from the downward direction is arrange | positioned on the top.

  The strip 34 is in contact with the water retention layer 32 in the water retention layer 32 and is in contact with the cultivation layer 38 in the cultivation layer 38.

  As for each outer side surface part of the cultivation layer 38 and the water retention layer 32, substantially the whole surface is contacting the inner side surface part of the upper box-shaped part 30b1 over the perimeter.

  For example, a fertilizer for plant growth can be arranged on the root prevention layer 36, and fine gravel can be arranged on the cultivation layer 38 to prevent sowing seeds from flowing with water.

  The bottom plate 30b1A of the upper box-shaped portion 30b1 has through-holes J for water permeability and ventilation (preferably without unevenness or with many). Water that cannot be retained in the water retaining layer 32 flows down to the water storage section 40 through the through holes J. Further, the water retaining layer 32 is air permeable to the outside through the space above the through hole J and the water reservoir 40.

  (2-2) This plant cultivator, for example, stores water in the water storage section 40, seeds the plant to be cultivated on the cultivation layer 38, supplies water from above to the cultivation layer 38, and supplies the plant. Can be used for cultivation.

  The water that is supplied from above and cannot be held in the cultivation layer 38 reaches the water retention layer 32 through the root prevention layer 36 and is retained in the water retention layer 32.

  In this plant cultivation tool, a water retention layer 32 is provided below the cultivation layer 38 via a root prevention layer 36, and the root prevention layer 36 has roots of plants that grow in the cultivation layer 38 enter the water retention layer 32. In addition to preventing this, the water retained in the water retention layer 32 can penetrate the cultivation layer 38 through the root prevention layer 36.

  In addition, the water retained in the water retention layer 32 is replenished to the inside of the cultivation layer 38 by capillary action by the band 34 of the insertion water guiding portion 39.

  Therefore, when a plant such as vegetables is cultivated in the cultivation layer 38 in a state where water is retained in the water retention layer 32, water is not supplied from above (or not sufficiently), and moisture is present in the cultivation layer 38. Even if the amount is reduced, the aqueous liquid retained in the water retention layer 32 penetrates the cultivation layer 38 through the root prevention layer 36 and is guided to the inside of the cultivation layer 38 by the band 34 of the piercing water guiding portion 39, and is required for cultivation. Water is replenished.

  On the other hand, since the roots of plants such as vegetables grown in the cultivation layer 38 cannot pass through the root prevention layer 36, after growing plants such as vegetables in the cultivation layer 38, the rock wool that forms the cultivation layer 38 is used. If it is extracted from the piercing and guiding section 39 and replaced with a new one, and the piercing and guiding section 39 is inserted, the plant other than the cultivation layer 38 can be reused to easily and repeatedly grow plants such as vegetables.

  Moreover, since each outer surface part of the cultivation layer 38 and the water retaining layer 32 is substantially in contact with the inner surface part of the upper box-shaped part 30b1 over the entire circumference, the roots of plants such as vegetables cultivated in the cultivation layer 38 are present. Protruding to the side of the cultivation layer 38 and even if the root protrudes to the side of the cultivation layer 38, the root is prevented from entering the water retaining layer 32 from the side as much as possible.

  The water retaining layer 32 is replenished with water guided from the water storage part 40 by capillary action by the lower part of the strip 34 constituting the replenishing part 42. The water guided from the water storage unit 40 can be supplied to the inside of the cultivation layer 38 through the strip 34.

  (3) The cultivated layer needs to be capable of growing plants, and preferably has water retention. In particular, the root of the plant can grow in the cultivation layer, and the stem and leaf part of the plant can grow on the cultivation layer. The cultivation layer is, for example, a mat-like product mainly composed of various fibers (inorganic fibers such as rock wool, various synthetic or natural fibers), various lump-like materials, a mat-like material mainly composed of irregularly gathered or entangled fibers, It can be constituted by various lumps, and it is desirable to select one suitable for growth according to the type of plant. The cultivation layer may be a plastic sheet or film or a pot containing cultivation soil or other cultivation material in another pot or a pot seedling in which plants such as seedlings are planted in the cultivation soil or cultivation material.

  (4) The piercing water guiding part protrudes upward and can be pierced from the lower side with respect to the cultivation layer, and the whole or part thereof can guide the aqueous liquid by capillary action, and has one or more. can do.

  The piercing water guiding portion is, for example, a rod-like or thin plate-like shape made of a relatively hard material, preferably a pointed shape, and a cultivation layer (for example, a cultivation layer made of a material mainly made of fibers or The cultivation layer covered with a plastic sheet or the like can be stabbed and inserted.

  As a specific example of the insertion water guiding portion, a slit portion in which a material that causes capillary action in the shape of a strip, string, or sheet is formed on a rod-like or thin plate-like insertion substrate such as a relatively hard synthetic resin. For example, the insertion water guide part may cause capillary action by attaching it to the hook or by inserting it into a hook hole (for example, a plurality of hook holes formed in the vertical position), or a fiber material such as felt. Examples thereof include those that are hardened with a synthetic resin or the like and formed into a rod shape or a thin plate shape, and the piercing and guiding portion as a whole causes capillary action.

  Further, the piercing water introduction part introduces the aqueous liquid introduced from the water supply source by the replenishment part into the cultivation layer through the piercing water introduction part, and from the water supply source to the piercing water introduction part through the replenishment part, The aqueous liquid can be introduced into the cultivation layer by continuously introducing the aqueous liquid by capillary action. As an example, the piercing water guiding portion and the replenishing portion can be integrated, and specifically, a band-like portion or string-like portion that is attached to the insertion base of the piercing water guiding portion and causes capillary action. The part where the capillary phenomenon such as the part or the sheet-like part extends to the water supply source as it is and also constitutes the replenishment part, or the insertion water guiding part as a whole causes the capillary phenomenon and extends to the water supply source as it is Can also be included.

  (5) The support portion can support the cultivation layer in a state where the insertion water introduction portion is inserted from below. The support portion can be, for example, a plate-like body (for example, a plate-like body provided with a plurality of or many through holes), a lattice-like body, a net-like body or the like that is permeable in the thickness direction (vertical direction).

  The penetration water introduction part can be provided on the support part. For example, the piercing water guiding portion can be projected upward with respect to the support portion.

  (6) The replenishment unit that introduces and replenishes the aqueous liquid from the water supply source (for example, the water storage unit that stores the aqueous liquid below the support unit) to the insertion water introduction unit, connects one side to the insertion water introduction unit, The side of the water source is positioned in the aqueous liquid of the water supply source to guide the aqueous liquid by capillary action (for example, a strip, a string or a sheet, or a tube filled with a fiber filler in the tube, etc. However, it is also possible to detect the water content and guide the water-based liquid from the water supply source to the water retention layer by a pump or an on-off valve that operates when the water content falls below a predetermined value. .

  (7) The cultivation container can be provided with a supporting part in the cultivation container that can support the cultivation layer directly or via the other layer from below, and each outer surface part of the cultivation layer extends over the entire circumference. (Preferably continuously over the entire circumference in the circumferential direction) or the entire outer surface may be in contact with the inner side surface of the cultivation container.

  It is preferable that the cultivation container is capable of ensuring air permeability to the cultivation layer as the support portion can support the lower side of the cultivation layer in a state having a space that can communicate with the outside below the cultivation layer.

  (8) The water storage part can be provided in the cultivation container, and a water storage part can be provided separately from the cultivation container.

  (9) Fine gravel and sand to prevent the sowing seeds from flowing with water or the like can be arranged on the cultivation layer.

  (10) Fertilizer for plant growth in granular or other form can be arranged in the cultivation layer or in other places.

  (11) The root-preventing layer prevents the roots of plants growing in the cultivation layer from entering the lower part, and has water permeability of an aqueous liquid and preferably has air permeability. As the root prevention layer, for example, fabrics such as woven fabrics made of various synthetic or natural fibers or inorganic fibers, various synthetic resin sheets, and the like can be used. The root-preventing layer can be provided over substantially all of the lower side of the cultivation layer (for example, substantially all in the direction orthogonal to the thickness direction of the layers).

  (12) The water-retaining layer can be laminated directly under the cultivation layer or via a root-preventing layer to retain the aqueous liquid, and the retained aqueous liquid is protected if the retained aqueous liquid is located directly or between the root-preventing layers. It can be permeated into the cultivation layer through the root layer. The water-retaining layer is composed of mat-like materials and various lumps made of various fibers (inorganic fibers such as rock wool, various synthetic or natural fibers), mat-like stuffs and various lumps mainly composed of irregularly gathered or entangled fibers. It is preferable that it can be constituted by the above and has excellent water retention. The water retentive layer may have an upper surface covered with a root-preventing layer.

  The water retention layer can also be provided on the lower side of the support portion. The water retention layers above and below the support portion can be connected by a replenishment portion, a penetration water introduction portion, or other material exhibiting capillary action. In addition, the piercing water guiding part may guide the aqueous liquid in the upper and lower water retaining layers to the cultivation layer by capillary action.

  (13) Further, the cultivation layer has a bottom surface covered with a root prevention layer, and at least a lower part of the side surface part of the cultivation layer (the extent that the root does not reach the water retention layer even if the root protrudes outward from the side surface part) Although it is good also as a lower part except a side part upper part, Preferably it is the whole side part), it is covered with the root prevention side part which prevents a root from protruding from a cultivation layer to the side, and a root prevention layer And root prevention side part joined without gap, and the root cannot protrude from the boundary between the root prevention layer and the root prevention side part, for example, the root prevention layer and the root prevention side part have various bottom shapes such as square or circular It can have a box shape.

  The root-preventing side portion requires that the roots of plants grown in the cultivation layer do not penetrate outward, and can have water permeability and / or air permeability. As the root-preventing side portion, for example, a fabric such as a woven fabric made of various synthetic or natural fibers or inorganic fibers, various synthetic resin sheets, and the like can be used.

  (14) Further, the water retaining layer is covered with a root-preventing layer, and at least the upper part of the side part of the water retaining layer (the lower part of the side part that does not reach the water retaining layer even if the root comes out of the cultivation layer). The upper part is preferably the entire side part), but is covered with a root-preventing side part that prevents the roots from entering the water-retaining layer, and the root-preventing layer and the root-preventing side part are spaced from each other. If the root cannot be protruded from the boundary between the root-preventing layer and the root-preventing side, for example, the bottom-preventing layer and the root-preventing side have various bottom shapes such as square or circular, and a box shape with a lower opening. Can be made. The root prevention side is the same as described above.

30 cultivation container 30a outer container 30b inner container 30b1 upper box-shaped part 30b1A bottom plate 30b2 lower rectangular tube part 30b3 insertion base 30b4 hook-shaped part 30b5 retaining hole 30b6 notch part 30b7 band-shaped body insertion hole 32 water-retaining layer 34 band-shaped body 36 root-preventing layer 38 Cultivation layer 39 Penetration water guide part 40 Water storage part 42 Supply part 50 Cultivation container 50a Outer container 50b Inner container 50b1 Upper box-like part 50b1A Bottom plate 50b2 Lower square cylinder part 50b3 Insert base 50b4 Gutter-like part 50b5 Slit part 50b6 Notch part 50b7 Support Bar 54 String-like body 56 Root prevention layer 58 Cultivation layer 59 Penetration water guide part 60 Water storage part 62 Supply part J Through-hole W Water

Claims (8)

One or more piercing water guiding portions projecting upward and capable of guiding an aqueous liquid by capillary action;
A support layer capable of supporting a cultivated layer capable of growing a plant in a state where the inserted water guiding portion is inserted from below;
Having a replenishment part for guiding the aqueous liquid from a water supply source to the insertion water introduction part,
The plant cultivation tool, wherein the aqueous liquid introduced from the water supply source to the piercing and guiding section by the replenishing section is introduced into the cultivation layer through the piercing and guiding section.   The plant cultivation tool according to claim 1, wherein an upper end portion of the insertion water introduction portion is pointed.   The water-based liquid is introduced into the cultivation layer by continuously introducing the water-based liquid from the water supply source through the replenishment unit to the insertion water guiding unit by capillary action. Plant growing tool.   The plant cultivation tool according to claim 1, 2, or 3, wherein the insertion water introduction part is provided in the support part.   The plant cultivation tool according to any one of claims 1 to 4, wherein the support portion can support the lower side of the cultivation layer and has water permeability and air permeability in the vertical direction.   The plant cultivation tool of any one of Claims 1 thru | or 5 which has a root prevention layer under the said cultivation layer. Having a cultivation container equipped with the support part,
The plant cultivation tool according to any one of claims 1 to 6, wherein a lower side of the cultivation layer is supported on the support portion in the cultivation container.   The plant cultivation tool of Claim 7 which has a water storage part as a water supply source in the said cultivation container.

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