JP2014042492A - Aquatic life culture system comprising hydroponics - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an aquatic life culture system including hydroponics, which has a simple structure, and in which an installation place of plant can be easily moved depending on a type of plant, a growth period or the like, nutrient absorption efficiency of plant is also increased, only low installation cost is required and a wide installation place is not required, and running cost is also low.SOLUTION: An aquatic life culture system comprises: a culture section including a water tank for culturing aquatic life; a water supply section which supplies water in the water tank to a purifying section; a purifying section including a purification tank which stores water to be treated, which is supplied from the water supply section, and conducts aeration treatment to the water; and a hydroponics section which returns water, to which aeration treatment was performed in the purifying section, to the water tank and includes a return path pipe provided with holes on a top surface in a penetrated manner. The culture system is configured to include hydroponics where pots for plant cultivation are fitted into the holes of the return path pipe and plant is cultivated by hydroponics, and water for culture use is purified and recycled for reuse.

Description

  The present invention relates to an aquatic organism culture system equipped with hydroponics that aquaculture aquatic organisms such as fish in an onshore aquarium and assists the purification of water in the aquarium using hydroponic cultivation of plants.

  There are known techniques for hydroponics and the use of water used for fish farming for hydroponics and circulating and reusing water. For example, it is disclosed in Patent Document 1 and the like. In the invention of Patent Document 1, the biological filtration bed itself, which is established using water provided for fish farming and the organic matter contained therein as the main nutrient source, is used as the cultivation floor, or the cultivation floor is provided on the biological filtration floor and used for fish cultivation. It is a hydroponics method characterized by cultivating organic matter contained in water as fertilizer.

  However, in Patent Document 1, the cultivation floor 8 and the plant are soaked in a water tank, and it is difficult to move the plant and the nutrient absorption rate of the plant is not high. In addition, the construction of the plant cultivation tank is complicated, and the cost is high, and a large space for installing the plant cultivation tank is required in addition to the fish tank.

Japanese Patent Laid-Open No. 02-222624

  Therefore, the present invention has a simple structure, can easily move the installation location of the plant depending on the kind of plant, the growing season, etc., enhances the nutrient absorption efficiency of the plant, requires a wide installation location at a low installation cost. In addition, an object of the present invention is to provide an aquatic aquaculture system including hydroponics that has a low running cost.

In order to solve the above problems, the present invention
(1)
An aquaculture unit comprising a water tank for aquaculture, a water supply unit for feeding water from the water tank to a purification unit, and a purification unit comprising a purification tank for performing aeration while storing the treated water sent from the water supply unit; A hydroponic cultivation part equipped with a return pipe having a hole drilled in the upper surface while returning the water aerated in the purification part to the water tank,
Aquaculture system with hydroponic cultivation characterized in that a pot for plant cultivation is fitted in the hole of the return pipe, and the plant is hydroponically cultivated, and the water for aquaculture is purified and recycled for reuse. .
(2)
The aquatic aquaculture system provided with hydroponic cultivation according to (1), wherein the return pipe is folded back to the upper part of the water tank and arranged in a plurality of rows.
(3)
(1) or, characterized in that a water intake portion recessed in a bowl shape is provided at the bottom of the water tank, a hole is provided in the bottom of the water intake portion, and an end of the water supply portion is connected to the hole in the bottom of the water intake portion. An aquatic aquaculture system comprising the hydroponics described in (2).
(4)
The connection of the hole of the water intake unit and the end of the water supply unit, the flange of the water supply pipe at the end of the water supply unit is locked in the hole of the water intake unit, the flange is fixed to the bottom of the water tank with bolts and nuts, An aquatic aquaculture system comprising hydroponics according to (3), wherein an eye plate is installed at a water intake of a water pipe.
(5)
The purification unit comprises a plurality of tanks whose water level decreases stepwise from upstream to downstream of the flow of water to be treated, and a connecting pipe that connects adjacent tanks,
The upstream side of the connecting pipe is located on the bottom sludge layer of the tank, and the water to be treated is transferred to the next tank by natural fall, according to any one of (1) to (4) Aquaculture system with hydroponics.
(6)
The aquatic organism culture system comprising hydroponics according to any one of (1) to (5), wherein the return pipe is transparent.
(7)
An aquatic aquaculture system comprising hydroponics according to any one of (1) to (6), wherein red soil and granite packed in a small bag are submerged in the septic tank.
(8)
The fish culture system comprising hydroponics according to any one of (1) to (7), wherein the aquatic organism is a fish.
(9)
The fish culture system according to (8), wherein the fish is a sturgeon.
(10)
In the fish culture system provided with hydroponics according to (9), a fish culture method comprising hydroponics, wherein scallops inhabit the water system.
(11)
An aquatic aquaculture system comprising hydroponics according to any one of (1) to (7),
(8) or a fish culture system comprising hydroponics according to (9),
Or in the fish culture method provided with the hydroponics as described in (10),
A hydroponic cultivation method characterized by changing a position of a hole for fitting the pot for plant cultivation according to the kind of plant and / or the growing season of the plant. The configuration was as follows.

  Since the present invention has the above-described configuration, the installation location of the plant can be easily moved according to the kind of plant, the growing season, etc. with a simple structure, the nutrient absorption efficiency of the plant is improved, and the installation is wide at a low installation cost. It is possible to provide an aquatic aquaculture system including hydroponics that requires no place and low running costs.

  In addition, according to the nitrogen source concentration of the plant per day, for example, by selecting the hole of the return pipe that becomes the growing place according to the type of plant and the growing season, it is possible to obtain a suitable cultivation situation, high water purification effect The hydroponics method which can be provided can be provided.

It is an example of the aquatic organism culture system provided with hydroponics which is the present invention. FIG. 1A-A, ie, (A) is a purification | cleaning part, (B) is a cross-sectional schematic diagram of an aquarium and hydroponics. It is a longitudinal cross-sectional schematic diagram (FIG. 2 wavy circle A part) of a water intake part. It is an expanded section schematic diagram of the 1st water tank. It is a partial plane part schematic diagram of the return pipe which comprises a hydroponic cultivation part. (A) The longitudinal cross-sectional schematic diagram of a return pipe, (B) The longitudinal cross-sectional schematic diagram which shows the mode of hydroponics.

  Hereinafter, the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited to an Example.

  Here, aquatic organisms are organisms that live underwater, such as freshwater fish and shellfish. As shown in FIGS. 1 and 2, an aquatic organism culture system 1 equipped with hydroponics according to the present invention includes a building 2, a culture unit 3, a water supply unit 4, a purification unit 5, and a hydroponic culture unit 6. And consist of

  The building 2 includes an entrance / exit, an opening for ventilation, and the like, is installed so as to cover the culture section 3, and is provided according to the type of aquatic organism to be cultivated. Protect aquatic organisms from birds and adjust the amount of direct sunlight. For example, the upper part of the greenhouse may be covered with a net-like shading net (light quantity adjustment net). Naturally, plants will not grow if they are completely shaded.

  Here, the aquaculture unit 3 includes three sections of a first water tank 3a, a second water tank 3b, and a third water tank 3c, each having a water intake section 3i at the bottom, and a water tank that is laid inside each water tank as necessary. A vinyl sheet 3e fixed to the edge of the container with a fastener 3f, a crossing bar 6i passed to the upper part of the water tank, and a scaffold 6k fixed to the crossing bar 6i. Aquaculture water 3d is stored on the vinyl sheet 3e, and aquatic organisms such as fish 3g are bred and cultured with the water.

  Each water tank can be made of concrete or the like, and the bottom is provided with a water intake section 3i that is recessed into an appropriate number of bowls according to the size of the water tank. The vinyl sheet 3e prevents aquatic organisms from rubbing against the water tank and being damaged. The scaffold 6k is provided to facilitate the work in the hydroponic cultivation unit 6. The aquarium is provided with an aeration 6m line for supplying oxygen and air to the water 3d according to aquatic organisms.

  The water supply unit 4 is a device for supplying water from the water tank to the purification unit 5 and receives a water supply pipe 4a buried in the soil 9a connected to the water intake unit 3i at the bottom of the water tank and water sent from the water supply pipe 4a. 4b, a pump 4c for feeding the water in the tub 4b to the purification unit 5, and an outward pipe 4e for feeding the water fed by the pump 4c. The water supply pipe 4a is preferably divided and fitted to the water tank side end including the flange 4h so as to be easily assembled.

  Next, with reference to FIG. 3, the connection of the hole 3k of the water intake part 3i and the water supply part 4 is demonstrated. The flange 4h of the water supply pipe 4a at the end of the water supply section 4 is locked in the hole 3k at the bottom of the water intake section 3i, and a vinyl sheet 3e provided with a hole corresponding to the hole 3k is placed on the flange 4h. 3e is sandwiched, and the flange 4h together with the presser 4n is fixed to the bottom of the water tank with bolts 4k and nuts 4m. Thereby, the vinyl sheet 3e is clamped between the flange 4h and the presser 4n. The size of the water intake section 3i is preferably about 50-100 cm in diameter.

  And the eye plate 4i is installed in the water intake 4g of the water supply pipe 4a. The mesh plate 4i is a mesh-like plate, which uses uneaten bait and feces, but has an opening that does not pass aquatic organisms. The eye plate 4i may be fixed to the water supply pipe 4a of the water intake 4g with a screw, or may be screwed.

  If there is a step around the flange 4h, it may be coated with the coating agent 4p so that the aquatic organisms are left uneaten and dung is not collected. By coating, leakage of water 3d in the aquarium can be prevented.

  As shown in FIG. 2, since the water tank and the trough 4b are connected by a water feeding pipe 4a, the water level 4d of the trough 4b is lowered by feeding the water in the trough 4b to the purification unit 5 by the pump 4c. Then, the water 3d in the tank naturally flows into the tank 4b so that the water level 3h in the tank is at the same height as the water level 4d of the tank 4b (dotted arrow). That is, in principle, the amount of water sent by the pump 4c is returned to the water tank.

  Since the water level 4d in the tub 4b is the same as the water level 3h of the water tank, the water system may be replenished with water corresponding to the amount of scattered, transpirated and drained water according to the water level of the tub 4b at that time. The water level 4d in the ridge 4b is more stable than the water level in other places because there is no disturbance factor such as aeration. Therefore, a sensor for sensing the water level in the tub 4b can be provided, and water can be automatically and stably supplied to the water circulation system according to the water level 4d in the tub 4b.

  Thus, by providing the bowl-shaped water intake 3i at the bottom of the aquarium and the salmon 4b, if the aquatic organism is a fish, the fish swims in the bottom of the aquarium, so that the food remains uneaten and the dung is removed. 4 g is collected and sent to the purification unit 5 via the water supply pipe 4 a and the water supply unit 4. As a result, it is possible to reduce the number of cleanings in the aquarium by discarding the water 3d in the aquarium due to uneaten and feces, and further, it is not necessary.

  Here, the purification unit 5 is connected to the first purification tank 5a via the first purification tank 5a and the connecting pipe 5s connected to the water supply unit 4, respectively, the second purification tank 5b, the third purification tank 5c, and further the purified water to the culture unit 3. The 4th septic tank 5d connected to the return pipe 6e (hydroponic cultivation part 6) which returns is provided in 2 rows in parallel. The upper purification unit 5 in FIG. 1 returns purified water to the first water tank 3a, and the lower purification unit 5 in FIG. 1 returns purified water to the second and third water tanks 3b and 3c.

  And the several septic tanks of the purification | cleaning part 5 have the height from the ground 9 so that the water level 5u may become stepwise toward the downstream from the upstream of the flow of the to-be-processed water 5w, and it may be transported by the natural fall to the next septic tank. It is placed on a different table 5g and configured like a multi-stage waterfall. Of course, without using the base 5g, the ground 9 may be formed in a staircase shape, and the tank 5e may be installed by providing a step at the water level 5u as with the base 5g.

  As shown in FIGS. 2 and 4, the first septic tank 5a has a tank 5e that stores the treated water 5w fed from the water feeding section 4 and aeration 5i, and is locked to the mouth 5x of the tank 5e. A container 5n having a hole 5p provided with a filter 5q, a lid 5f having a hole 5o and screwed into the mouth 5x of the tank 5e, and a microorganism packed in a net or the like at the bottom of the tank 5e. It consists of red bean clay 5k and granite 5m that serve as the fungus bed, a filter 5r disposed on the side communicating with the second septic tank 5b, and a connecting pipe 5s for flowing the treated water 5w through the second septic tank 5b.

  Further, the purifying unit 5 controls the piping 5y capable of individually discharging the drainage in the tank 5e and the sludge 5aa accumulated in the bottom of the tank 5e at the bottom of the side surface of each tank 5e of the purifying unit 5 and the opening and closing thereof. A valve 5z is provided, and the pipes 5y are connected to each other so that sludge can be collected at one place.

  As shown in FIG. 4, the forward pipe 4e is inserted into the hole 5o of the lid 5f, and the treated water 5w is continuously fed to the first septic tank 5a by the pump 4c. By providing the container 5n, the cleaning recovery of the filter 5r is reduced, the maintenance work is used, and the cleaning of the filter 5q is facilitated. Further, by providing the hole 5p on the side surface of the container 5n, it is possible to prevent the treated water 5w from leaking out of the tank 5e even when algae or the like rapidly grow and the filter 5q is clogged. It is sufficient to install the filter 5r only in the first septic tank 5a.

  The aeration 5i introduces air into the tank 5e from the compressor 5h through the tube 5j. It promotes the decomposition of organic matter by microorganisms under aerobic conditions, nitrifies ammonia into nitrite ions and nitrate ions, and makes it easy for plants to absorb as a nitrogen source. The aeration 5i is similarly introduced into other water tanks.

  Akadama soil 5k is generally made by drying the red soil of the Kanto Loam layer and selecting it according to the size of the grains with a sieve, and is used for gardening. Akadama soil 5k is a microbial bed and filter material. Here, I used Iwata. Iwata is known for being hard, and in the test, it kept the shape of the grains for a long time without crushing.

  Granite 5m is granite, and it is a microbial fungus bed and filter material, and it also reduces mineral supply. Here, we used granite gravel from Inada, Kasama City. In this way, using local products for both Akadama 5k and granite 5m contributes to regional development. Akadama 5k and granite 5m are also introduced into other aquariums in the same way. By subdividing it into a net or the like, it is easy to handle when cleaning them in regular cleaning of the tank 5e.

  As shown in FIGS. 2 and 4, the connecting pipe 5s is connected to the upper surface of the tank 5e bottom sludge layer on the upstream side, stands up, is inserted into the second septic tank 5b, and the treated water 5w passes through the water level 5u. Due to the difference, it flows into the second septic tank 5b. The upper part of the connecting pipe 5s is opened, the left and right are opened, and an air vent 5t having a T-shaped cross section is fitted into the upper part. By not opening the upper part of the connecting pipe 5s, the edge between the tanks 5e is cut to prevent the harmful substances from entering the treated water 5w from directly above. Examples of harmful substances include agricultural chemicals sprayed on fields.

  As shown in FIG. 2, the second septic tank 5b includes a tank 5e for storing the treated water 5w fed from the first septic tank 5a and aeration 5i, and a lid 5f (hole) screwed to the mouth 5x of the tank 5e. 5o), red bead 5k and granite 5m serving as a microbial bed packed in a net or the like at the bottom of the tank 5e, and a connecting pipe 5s for flowing the treated water 5w into the third septic tank 5c. . The configuration of the third and fourth septic tanks 5c and 5d is the same as that of the second septic tank 5b. However, the fourth septic tank 5d is connected to the return pipe 6e. Since it is desirable that the purification unit 5 be about １ ／ of the volume of the water 3d of the culture unit 3, a plurality of tanks 5e are used.

  By providing such a septic tank, aquatic small animals such as red caterpillars and freshwater shellfish can grow and grow inside, a natural environment is built, further decomposition of organic matter is promoted, and in the septic tank Inhabited aquatic small animals are transported by the flow of the water to be treated 5w due to natural fall, so that they pass through the return pipe 6e and flow into the aquarium and can be used as food for cultured fish.

  Aquatic small animals are ideal for sturgeon farming. An example of the shellfish is Sakamakigai. In the aquaculture system, the sturgeon feeds and excretes the shellfish, and the purifier 5 decomposes the waste into organic nitrogen to form a food cycle in which it grows. The excessively grown scallop can be collected and used as chicken food.

  As shown in FIGS. 1 and 2, the hydroponic cultivation unit 6 connects the return pipe 6 e to the side surface of the fourth septic tank 5 d, and supplies the aerated water that has flowed out due to the difference in the water level 5 u to the aquarium of the culture unit 3. Water is discharged from the end for 6 hours and returned. Next, a method for laying the return pipe 6e will be described with reference to FIG.

  The return pipe 6e includes a straight pipe 6a having a hole 6f formed on the upper surface, a straight pipe 6b, an elbow pipe 6d bent at 90 °, and a branch pipe 6c that separates the flow of water. It arranges and becomes hydroponics part 6. By devising a combination of pipes having different lengths and connecting the pipes, various shapes can be laid according to the size of the aquarium. Hydroponics is carried out by fitting a pot 7 for hydroponics into the hole 6f of the return pipe 6e.

  By arranging the return pipes 6e in a plurality of rows (meandering) at the upper part of the water tank, it is not necessary to secure the installation location of the hydroponics section 6 separately from the water tank, thereby enabling compact hydroponics. Moreover, by making the hole 6f in the upper part of the pipe to form the hydroponic cultivation unit 6, the construction cost can be kept low and the construction period can be shortened, and the arrangement change and expansion / contraction can be facilitated.

  Further, if the return pipe 6e is made of a transparent vinyl chloride pipe or the like, water stains can be easily observed. In addition, if the return pipe 6e is installed in the upper part of the aquarium, even if water overflows from the hole 6f of the return pipe 6e, it only falls into the aquarium, so there is no fear of a decrease in the aquaculture water.

  Even if the return pipe 6e is laid horizontally, the aeration treated water can be naturally transferred to the aquarium according to the water level 5u. However, as will be described later, the return pipe 6e is fitted with a pot 7 for plant cultivation. Therefore, it is good to lay it incline slightly toward the end of the return pipe 6e.

  Next, a situation where hydroponics pot 7 for hydroponics is fitted into hole 6f and hydroponics is performed will be described in detail with reference to FIG. FIG. 6 is a schematic longitudinal sectional view of the return pipe 6e.

  As shown in FIG. 6A, the return pipe 6e has a hole 6f formed in the upper surface, and the treated water 6g flows inside. As shown in FIG. 6B, the plant cultivation pot 7 is fitted into the hole 6f of the return pipe 6e, and the plant 8 is hydroponically cultivated.

  The pot 7 is filled with culture soil 7b and has through holes 7a on the side and bottom. Vermiculite is suitable as the culture soil 7b. The root 8a of the plant 8 begins to line the return pipe 6e from the through hole 7a and absorbs the nutrients. In the return pipe 6e, a flow of the aerated treated water 6g is formed and comes into contact with the roots 8a one after another. Therefore, compared with hydroponics in a tank that is a cultivation floor with little water flow, The absorption rate of the nitrogen source of the plant 8 in the hydroponic cultivation unit 6 is extremely high compared to the dove pickling.

  Moreover, as shown to FIG. 6 (B), by making a hole in the return pipe 6e, and setting it as the hydroponics part 6 of the system which fits the pot 7, the kind of plant or / and the growth time of a plant Accordingly, the position of the hole 6f for inserting the pot 7 for plant cultivation can be easily changed, and the nitrogen concentration and sunlight suitable for the cultivated plant can be easily adjusted. In the upstream of the return pipe 6e, the nitrogen source concentration is high, and in the downstream portion where contact with the root 8a of the plant 8 is repeated, the nitrogen source concentration is low. Hydroponics plants can also be selected using the nitrogen source concentration difference.

  On the other hand, as shown in the first water tank 3a of FIG. 1, by laying the return pipe 6e outside the building 2, hydroponic cultivation can be performed in a more sunny environment.

  In the hydroponics, vegetables that can be generally used for hydroponics can be cultivated. In particular, herbs, watercress, seri, basil, mint, perilla, etc. grow well. The growth of lettuce was also good. The nitrogen source concentration on the upstream side of running water in the return pipe 6e is high, and it is suitable for cultivation of vegetables in which a cavity is formed. For example, Shishito, green pepper, Takatsutsume, etc.

  Thereby, the nitrogen source nitrified from the aquaculture water is absorbed from the roots 8a, and the purification of the water is assisted. By doing so, the aquaculture water 3d can be circulated and reused, and the water saving of the water 3d, and further cleaning and water replacement operations can be reduced.

Specifically, about 500 sturgeon (1 year old fish) were raised in the middle of July this year in a water tank (first tank 3a) of 2.5 × 15 × 0.5≈19 (m ³ ). In the aquaculture test of the moon, the water tank 3d was never changed, but no sturgeon died. In simple aerated water purification treatment prior to the introduction of the present invention, it was necessary to change the water three times a month in the summer, so that the water-saving effect of the present invention and the effect of reducing water replacement work are extremely large.

  In the aquatic aquaculture system equipped with hydroponics, water supply and drainage paths are omitted, but water supply and drainage may be performed from any block. It is economical and simple to supply well water to the water tank. It is desirable from the viewpoint of cleaning that drainage is possible from each block. Each line (pipe) or the like is provided with a valve so that the flow rate of water can be adjusted.

DESCRIPTION OF SYMBOLS 1 Aquatic aquaculture system equipped with hydroponics 2 Building 3 Aquaculture part 3a 1st water tank 3b 2nd water tank 3c 3rd water tank 3d Water 3e Vinyl sheet 3f Fastener 3g Fish 3h Water level 3i Water intake part 3k Hole 4 Water supply part 4a Water supply Pipe 4b 桝 4c Pump 4d Water level 4e Outward pipe 4g Water intake port 4h Flange 4i Eye plate 4k Bolt 4m Nut 4n Presser 4p Coating agent
5 Purification section 5a First septic tank 5b Second septic tank 5c Third septic tank 5d Fourth septic tank 5e Tank 5f Lid 5g Base 5h Compressor 5i Aeration 5j Tube 5k Akadama 5m Granite 5n Container 5o Hole 5p Hole 5q Filter 5r Filter 5s Connection pipe 5t Air vent 5u Water level 5w Water to be treated 5x Mouth 5y Pipe 5z Valve 5aa Sludge 6 Hydroponics 6a Straight pipe 6b Straight pipe 6c Branch pipe 6d Elbow pipe 6e Return pipe 6f Hole 6g Treated water 6h Water discharge 6i Crossing rod 6k Scaffold 6m Aeration 7 Pot 7a Through-hole 7b Culture soil 8 Plant 8a Root
9 Ground 9a Soil

Claims (11)

An aquaculture unit comprising a water tank for aquaculture, a water supply unit for feeding water from the water tank to a purification unit, and a purification unit comprising a purification tank for performing aeration while storing the treated water sent from the water supply unit; A hydroponic cultivation part equipped with a return pipe having a hole drilled in the upper surface while returning the water aerated in the purification part to the water tank,
Aquaculture system with hydroponic cultivation characterized in that a pot for plant cultivation is fitted in the hole of the return pipe, and the plant is hydroponically cultivated, and the water for aquaculture is purified and recycled for reuse. . 2. The aquatic aquaculture system with hydroponic cultivation according to claim 1, wherein the return pipe is folded back to the upper part of the water tank and arranged in a plurality of rows. 2. A water intake portion recessed in a bowl shape at the bottom of the water tank, a hole at the bottom of the water intake portion, and an end of the water supply portion connected to the hole at the bottom of the water intake portion. An aquatic aquaculture system comprising the hydroponic cultivation according to claim 2. The connection of the hole of the water intake unit and the end of the water supply unit, the flange of the water supply pipe at the end of the water supply unit is locked in the hole of the water intake unit, the flange is fixed to the bottom of the water tank with bolts and nuts, The aquaculture system for aquatic organisms with hydroponics according to claim 3, wherein an eye plate is installed at a water intake of the water pipe. The purification unit comprises a plurality of tanks whose water level decreases stepwise from upstream to downstream of the flow of water to be treated, and a connecting pipe that connects adjacent tanks,
The upstream side of the connecting pipe is located on the bottom sludge layer of the tank, and the water to be treated is transferred to the next septic tank by natural fall. Aquaculture system comprising the hydroponic culture described. The aquatic organism aquaculture system comprising hydroponics according to any one of claims 1 to 5, wherein the return pipe is transparent. The aquatic culture system comprising hydroponics according to any one of claims 1 to 6, wherein red cherries and granite packed in a sachet are submerged in the septic tank. The fish culture system comprising hydroponics according to any one of claims 1 to 7, wherein the aquatic organism is a fish. The fish culture system with hydroponic cultivation according to claim 8, wherein the fish is a sturgeon. The fish culture system with hydroponic cultivation according to claim 9, wherein a scallop is inhabited in the water system. An aquatic aquaculture system comprising hydroponics according to any one of claims 1 to 7,
A fish culture system comprising hydroponics according to claim 8 or claim 9,
Alternatively, in a fish culture method comprising hydroponics according to claim 10,
A hydroponic cultivation method characterized by changing a position of a hole for fitting the pot for plant cultivation according to the kind of plant and / or the growing season of the plant.

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