JP6562264B2 - Hydroponics plate and hydroponics apparatus using the same - Google Patents

Description

  The present invention relates to a hydroponic cultivation plate and a hydroponic cultivation apparatus using the same, and more specifically, a plant root held in a hydroponic cultivation plate is held in a hydroponics plate adjacent thereto. The present invention relates to a hydroponics plate excellent in productivity that does not directly touch the roots of plants and is entangled, and a hydroponic cultivation apparatus using the plate.

  Conventionally, as this type of device, the culture solution stored in the container is floated on the cultivation floating floor formed with an insertion hole for absorbing the culture solution, and the culture solution absorbing sheet is suspended while covering the upper surface of the cultivation floating floor, A capillary hydroponic cultivation apparatus is known in which a root-proof sheet is laid on the top surface of a culture solution-absorbing sheet and a crop is cultivated on the root-proof sheet (Patent Document 1).

  Moreover, the plant cultivation apparatus etc. which installed the seedling of the plant grown in the cultivation container which extended the root-proof sheet | seat detachably on the bottom side were installed in the cultivation tank for every container are also known (patent document 2).

  By the way, in hydroponics that does not require a solid medium, a plate holding plant seedlings is placed on the upper end of an aquarium with an opening at the top, and the nutrient solution is run from the upper stream to the lower stream. The method is often taken. At this time, usually, a plate holding an immature plant seedling is placed on the upstream side of the river, and the plate is gradually slid from the upstream side to the downstream side as the plant grows. When the plate is located on the most downstream side of the aquarium, the plate is removed from the aquarium to harvest mature plants.

  In hydroponics as described above, consideration is given to keeping a certain distance so that the leaves of plants do not overlap between adjacent plates. However, as plants grow, not only leaves but also roots grow. The root growth speed is fast, and it is slender and complicated, so if the roots of plants held on one plate are entangled with the roots of plants held on adjacent plates, the roots that are entangled are harvested. There is a problem that unnecessarily troublesome and time is required for harvesting, as well as excessive stress on plants that continue to be cultivated. .

Japanese Utility Model Publication No. 05-002660 JP 2001-251980 A

In the above problems, the capillary hydroponic cultivation apparatus of Patent Document 1 is particularly protected in that the root prevention sheet is laid, but the roots and roots of adjacent plants on the upstream and downstream sides are prevented. Not considered.
Moreover, although the cultivation apparatus of patent document 2 can prevent the root of a plant and a tangle of a root, the container which stores a root separately is needed, and the operation | work which stretches a root-proof sheet | seat on each plant seedling It was time consuming and time consuming.

  The present invention has been made in view of the above problems, and the problem to be solved is to prevent entanglement of the roots of plants held on the hydroponics plates on the upper and lower sides of the river and cultivate at the time of harvest. An object of the present invention is to provide a plate for hydroponics that is excellent in productivity and does not give stress such as cutting the root of a plant that continues the process, and a hydroponic cultivation apparatus using the plate.

In order to achieve the above object, a hydroponics plate according to the present invention is a hydroponics plate placed on the aquarium so as to cover the upper opening of the hydroponics aquarium, A root-preventing sheet composed of a woven fabric or a non-woven fabric is provided at least on one end of the cultivating plate on the upstream side or the downstream side.

  And the hydroponics apparatus of this invention using the hydroponics plate of the said structure is the water which mounted the said hydroponics plate in this water tank so that the upper opening of the water culture tank may be covered A root cultivation sheet, which is a root cultivation sheet, the root prevention sheet provided on the hydroponics plate is suspended inside the hydroponics tank, and is suspended from one end of the hydroponics plate The length of the sheet is 1.01 or more times the distance from the hydroponics plate to the bottom of the hydroponics tank.

Since the plate for hydroponics of the present invention is provided with a root-preventing sheet at least at one end of the river upper side or downstream side, the roots of the plants held on the hydroponics plate grow, Even if it extends in the direction of the root of the plant held on the adjacent hydroponics plate on the downstream side, the root is blocked by the root prevention sheet, and the root of the plant on the adjacent hydroponics plate No extra work such as cutting the roots of plants that continue to be cultivated at the time of harvest becomes unnecessary. Moreover, this root prevention sheet | seat is provided with respect to the plate for hydroponics. When holding a plurality of plants on one hydroponics plate extending in the width direction (direction perpendicular to the water flow) and growing them in one aquarium, a sheet for root prevention in the width direction in a series of operations Therefore, it is not necessary to stretch a root-proof sheet for each plant, and it is possible to save time and effort. At this time, the roots of plants held on the same hydroponics plate may get entangled, but even if the roots and roots of plants cultivated on the same hydroponics plate get tangled, for each plate There is no problem in the work of harvesting, and it does not affect productivity. Moreover, even if it is a case where a plurality of plants are held on one hydroponics plate extending in the width direction (a direction orthogonal to the water flow) and grown in a plurality of parallel water tanks, a root prevention sheet is used. It can be used by fixing it to the hydroponics plate in a series of operations, and then cutting out the root protection sheet in a form corresponding to each water tank. In this case, the root prevention sheet is hydroponically The work to fix to the cultivation plate can be done efficiently
The present invention does not exclude the provision of the root-preventing sheet on both the upstream and downstream sides, but hydroponics, as long as it is provided at one end of the upstream or downstream side. The plate for water culture and the plate for hydroponics adjacent to it are reliably partitioned, and it can prevent that a root and a root get entangled between the plates for hydroponics adjacent.

  Next, the hydroponic cultivation apparatus of the present invention is a hydroponic cultivation plate that exhibits the above-described excellent effects and is placed on the aquarium so as to cover the upper opening of the hydroponic cultivation aquarium. Therefore, it is possible to provide an apparatus with excellent productivity that does not give stress such as cutting the roots of plants on the river upper side at the time of harvest. Moreover, since the length of the root-preventing sheet suspended from one end of the hydroponics plate is 1.01 or more times the distance from the hydroponics plate to the bottom surface of the hydroponics tank. Even if the root of the plant grows so as to crawl the bottom of the aquarium, there is no fear of tangling with the root of the plant held on the adjacent hydroponics plate.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic perspective view of the hydroponics plate which concerns on one Embodiment of this invention, and the hydroponics apparatus using the same. It is a disassembled perspective view of the same apparatus. It is a longitudinal cross-sectional view of the same apparatus. It is explanatory drawing which shows the method of growing a plant with the apparatus.

  Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

  Since the present invention can cultivate the plant 3 with little influence from the weather and pests, it is a hydroponic culture plate 1 that has been attracting attention in recent years and a hydroponic cultivation apparatus 10 using the same. As shown in FIG. 1 and FIG. 2, a hydroponics water tank 2 for storing a nutrient solution 5 and a hydroponics plate 1 that holds a plant 3 and covers an upper opening of the water tank 2 are provided.

  The hydroponics plate 1 (hereinafter simply referred to as plate 1) is a long plate-like body in which a plurality of holding holes 1a for holding plants 3 are perforated at regular intervals, as shown in FIG. Thus, a plurality of the plates 1 are placed on the upper end of the water tank 2 so that the longitudinal direction thereof is orthogonal to the water culture tank 2 (hereinafter simply referred to as the water tank 2).

  In hydroponics as in the present invention, the nutrient-rich nutrient solution 5 described later is sufficiently supplied to the plant 3, so that an environment in which algae such as green sea bream are likely to be generated is obtained. Algae and other algae are indispensable in the natural environment such as water purification. However, when algae are generated in hydroponics, the nutrients in nutrient solution 5 are ingested by the algae and the growth of plant 3 is slowed down. It is not preferable as a cause of defects. It is said that light is the main cause of the generation of algae, and it is preferable to shield the nutrient solution 5 from being irradiated with light by the plate 1 described above. Accordingly, the plate 1 needs to be formed of a material having a certain thickness and difficult to transmit light in order to prevent light from passing therethrough, so that light having a thickness of about 1 to 30 mm passes. A hard polystyrene foam or plastic plate, or a plate 1 in which an impervious aluminum film of about 30 to 1000 μm is attached to the plate 1 is preferably used. And in order to promote reflection of light and supply more light to the plant 3, a white one is preferable. By covering the upper opening of the water tank 2 with such a plate 1, the nutrient solution 5 is irradiated with light. Therefore, the plant 3 grows smoothly without generation of algae such as blue-green algae.

  A root prevention sheet 1 b is provided at the rear end of the plate 1, that is, the downstream end of the plate 1. The root prevention sheet 1b is a polyester woven or non-woven fabric. As shown in FIG. 3, when the plate 1 is placed on the upper end (ear portion 2c, 2c) of the water tank 2, the root prevention sheet 1b is used. Is suspended in the water tank 2 and its lower end reaches the bottom surface (bottom wall 2a) of the water tank 2. Therefore, the length to the lower end of the root prevention sheet 1b needs to be 1.0 times or more, preferably 1.01 times or more the distance from the plate 1 to the bottom surface (bottom wall 2a) of the water tank 2. There is no particular problem with the flow rate of the normal nutrient solution 5, but when the flow rate of the nutrient solution 5 is set high, the hydroponic cultivation apparatus 10 of the present invention is configured to feed the nutrient solution 5 from the river upper side to the river lower side of the water tank 2. The root-preventing sheet 1b may flow along the flow of the nutrient solution 5 depending on the material and the like. In consideration of the bending of the root-preventing sheet 1b at that time, the length of the root-preventing sheet 1b is more preferably at least 1.25 times the distance from the plate 1 to the bottom surface of the water tank 2.

The root prevention sheet 1 b that hangs down inside each water tank 2 is preferably provided over the entire inner width of the water tank 2. If there is a gap between the inner wall (bottom wall 2a, side walls 2b, 2b) of the aquarium 2 and the root-preventing sheet 1b, the root 3a may slip through, and the root 3a slipped through the adjacent plate 1 This is because there is a possibility of entanglement with the root 3a of the installed plant 3.
Various methods for providing the root-preventing sheet 1b on the plate 1 are conceivable and are not particularly limited. However, the root-preventing sheet 1b can be provided very simply by adopting a heat-sealing method.

Since the root-preventing sheet 1b is a woven fabric or a non-woven fabric, the nutrient solution 5 passes through, but the root 3a of the plant 3 does not pass through. Therefore, when this root-preventing sheet 1b is provided at the downstream end of the plate 1, the root 3a of the plant 3 is oriented in the direction of the root 3a of the plant 3 held on the adjacent plate 1, as shown in FIG. The root 3a is blocked by the root-preventing sheet 1b so that the root 3a and the root 3a of the plant 3 are not directly entangled with each other. There is no stress such as cutting the root 3a, and the productivity is excellent.
In addition, in this embodiment, although the said root prevention sheet 1b is provided in the downstream edge part of the plate 1, it cannot be overemphasized that you may provide in the upstream edge part (front edge part), and upstream side. It is not excluded to install on both sides of the river.

The water tank 2 on which the plate 1 is placed is an effective use of a rain gutter made of synthetic resin that is suitably used in a house. As shown in FIG. 2, the bottom wall 2a and from both ends of the bottom wall 2a Ear portions 2c and 2c for placing the plate 1 are provided on the upper ends of the side walls 2b and 2b. The water tank 2 is provided with a slight flow gradient because the nutrient solution 5 flows from the upper stream side to the lower stream side.
The water tank 2 is not limited to the rain gutter as in the present embodiment, and a normal box-shaped water tank 2 may be used.

The plants 3 to be cultivated are diverse, such as fruits / vegetables and ornamental plants, and are not particularly limited. Such plants 3 are surrounded by a sponge-like medium 4 to hold holes in the plate 1. 1a. When the plant 3 is thus held on the plate 1, the root 3 a of the plant 3 is immersed in the nutrient solution 5, from which nutrients are absorbed and grows.
The medium 4 surrounding the plant 3 may be enlarged and the medium 4 may be immersed in the nutrient solution 5.

  The nutrient solution 5 serving as a nutrient for the plant 3 has a different optimum component composition for each plant 3 to be cultivated, and the component composition varies depending on the variety, cultivation period, growth stage, temperature, and light conditions. The plant 3 contains an essential element (nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, iron, manganese, copper, zinc, molybdenum, chlorine, nickel, oxygen) that is absorbed from the root 3a. Such nutrient solution 5 flows into the water tank 2 from the upper side of the river and flows toward the lower side of the river. At that time, it is preferable to circulate the nutrient solution 5 from the downstream side to the upstream side again.

  The hydroponic cultivation apparatus 10 of the present invention composed of the above members is installed by the following procedure. That is, the plate 1 is placed on the ears 2c, 2c of the water tank 2, and the plant 3 surrounded by the culture medium 4 is inserted and held in the holding hole 1a. Then, the nutrient solution 5 is flowed from the upstream side toward the downstream side. At this time, as shown in FIG. 4A, the plate 1 holding the immature plant 3 is placed on the river upper side, and as shown in FIG. The plate 1 is gradually slid from the upper stream side to the lower stream side in accordance with the growth. When the plate 1 is finally located at the most downstream side of the water tank 2 as shown in FIG. The plate 1 is removed from 2 and the mature plant 3 is harvested, and the plate 1 holding the new plant 3 is placed on the uppermost river side.

As is clear from the above description, the hydroponic culture plate 1 of the present invention and the hydroponic cultivation apparatus 10 using the same are provided with a root-preventing sheet 1b at one end on the downstream side of the plate 1, Even if the root 3a of the plant 3 held on the plate 1 grows and extends in the direction of the root 3a of the plant 3 held on the adjacent plate 1 on the upper stream side and the lower stream side, the root 3a is not rooted. It is obstructed by the sheet 1b and does not get entangled with the root 3a of the plant 3 on the adjacent plate 1, and unnecessary work such as cutting the root 3a of the plant 3 that continues cultivation at the time of harvest becomes unnecessary. In addition, since the root-protecting sheet 1b is provided for the plate 1, when a plurality of plants 3 are held on one plate 1, the root-preventing sheet 1b for each plant 3 is provided. Since one root protection sheet 1b can be installed in a form corresponding to a plurality of plants 3, it is not necessary to install individual root prevention sheets 1b. And save time.
In addition, like this embodiment, when using a plurality of parallel water tanks 2 as the water tank 2, by appropriately notching the root prevention sheet 1b in a form adapted to the width of the individual water tank 2, used.

  As mentioned above, although typical embodiment of this invention was explained in full detail, the plate 1 for hydroponics of this invention and the hydroponic cultivation apparatus 10 using the same are not limited to the said embodiment, Various. The design change can be allowed. That is, although four water tanks 2 are used in this embodiment, the number of water tanks 2 may be reduced when the installation space is narrow, and conversely, when the installation space is wide, the number of water tanks 2 may be increased. As described above, the number of the water tanks 2 may be appropriately increased or decreased according to the size of the installation space, and the length of the plate 1 may be changed according to the widthwise dimension of the water tank 2. Further, the root prevention sheet 1b is not limited to the above-described polyester woven or non-woven fabric, and may be, for example, a synthetic resin net having fine openings. Thus, if the sheet | seat 1b for root prevention is provided in the end of the plate 1 at least on the upper stream side or the lower stream side, it is included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Hydroponics apparatus 1 Hydroponics plate 1a Holding hole 1b Root prevention sheet 2 Hydroponics tank 2a Bottom wall (bottom)
2b side wall 2c ear 3 plant 3a plant root 4 medium 5 nutrient solution

Claims (2)

A hydroponics plate placed on the aquarium so as to cover the upper opening of the aquaculture tank,
A hydroponic culture plate, wherein a root-preventing sheet made of woven fabric or non-woven fabric is provided on at least one end of the above-mentioned hydroponic culture plate on the upstream side or downstream side. The hydroponic cultivation apparatus according to claim 1, wherein the hydroponic cultivation plate is placed on the aquarium so as to cover the upper opening of the hydroponics aquarium,
The root prevention sheet provided on the hydroponics plate is suspended inside the hydroponics tank,
The length of the root-preventing sheet suspended from one end of the hydroponics plate is 1.01 or more times the distance from the hydroponics plate to the bottom of the hydroponics tank. Hydroponic cultivation equipment.

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