Crop cultivation methods

Abstract

To provide an unprecedented, revolutionary crop cultivation device and method that allows hydroponic and soil cultivation to be carried out in parallel.SOLUTION: A crop cultivation device includes an irrigation mechanism 7 that pumps up water from a lower water storage tank 1 and irrigates an upper cultivation tank 6 so that the water passes through a soil 5 in the cultivation tank 6 and returns to the water storage tank 4, and is configured that crop roots 2 spread in the soil 5 in the cultivation tank 6 reach the water storage tank 1 below a bearing part 4 via a root passage 3 at the bottom and are also rooted in the water storage tank 1.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a novel method for cultivating agricultural crops, for example, by two cultivation methods, soil cultivation using soil and hydroponics using water, from the time when seedlings or seeds of tomatoes, for example, are planted or sown, until they take root or germinate and are harvested. In other words, the method enables agricultural crops to be cultivated both in soil and hydroponics. [Background technology]

[0002] There are three main methods for growing crops such as tomatoes: soil cultivation, in which the field soil is plowed and ridges are made on the bottom of the field with a medium (plowed culture soil mixed with base fertilizer), and seedlings or seeds are planted on top of these ridges, allowing the plants to take root and germinate before being harvested; hydroponic cultivation, in which roots are developed in a hydroponic cultivation tank (water storage tank) that stores cultivation water containing liquid fertilizer and creates a gentle current, allowing the plants to grow and be harvested; and drip cultivation, which uses rock wool as a medium. However, each of these cultivation methods has its advantages and disadvantages, and no efforts have been made to eliminate these disadvantages and make the most of the advantages.

[0003] That is, in soil cultivation, there is the inconvenience of having to rotate crops to avoid the problems that occur when the same crop is grown repeatedly in the same furrow medium, and in hydroponics and drip cultivation using rockwool medium, crops are grown in water with dissolved liquid fertilizer rather than soil as the medium, which means that the crops are generally watery, lack body, and have little flavor.In addition, in drip cultivation using this method, the rockwool medium must be disposed of after each crop, which is contrary to the SDGs.In addition, recent cultivation methods using ICT have the inconvenience of large initial equipment costs, and the liquid fertilizer causes crops to lack body and have little flavor.No cultivation method has been created that can completely eliminate all of these issues. Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention aims to solve these problems by providing an unprecedented, revolutionary crop cultivation device and crop cultivation method that allows hydroponic cultivation and soil cultivation to be carried out in parallel, thereby resolving or alleviating the above-mentioned inconveniences. [Means for solving the problem]

[0005] The gist of the present invention will be explained with reference to the accompanying drawings.

[0006]

[0007]

[0008]

[0009] The present invention relates to a method for cultivating agricultural crops using a cultivation device for agricultural crops, which includes a water storage tank section 1 for storing water and performing hydroponic cultivation, a support section 4 at the bottom of which is provided with a root passage section 3 through which roots 2 of agricultural crops pass when they take root, and a cultivation tank section 6 for storing the culture soil 5 and performing soil cultivation by supporting the culture soil 5 on the support section 4, wherein water for hydroponic cultivation is stored in the water storage tank section 1, and an irrigation mechanism 7 pumps up water from the water storage tank section 1 and irrigates the cultivation tank section 6, whereby the water moistens the culture soil 5 in the cultivation tank section 6, passes through the water storage tank section 1, and returns to the water storage tank section 1, and agricultural crops are cultivated in the moistened culture soil 5 in the cultivation tank section 6, and the roots 2 of the agricultural crops cultivated in the culture soil 5 in the cultivation tank section 1 reach the water storage tank section 1 through the root passage section 3 and take root even in the water of the water storage tank section 1, thereby hydroponically cultivating the agricultural crops; The irrigation mechanism 7 includes a pump unit 8 that pumps up water from the water storage tank 1, an irrigation unit 9 that irrigates the upper part of the cultivation tank 1 with the water pumped up by the pump unit 8, and a water storage tank 1 that is insufficient for hydroponic cultivation. and liquid fertilizer or The system is configured to include a supply unit 10 that supplies cultivation water containing liquid fertilizer, and an irrigation control unit 11 that controls the operation of the pump unit 8, and is used for cultivating agricultural crops in soil. While Hydroponics do A method of growing crops that allows them to ripen and be harvested And, The bottom of the cultivation tank section 6 is formed of a bottom plate section having a number of openings through which water, the roots 2, and the culture soil 5 pass, and a mesh section 14 through which water and the roots 2 pass is attached so as to cover the bottom plate section, and a rock wool culture medium 15 through which water and the roots 2 pass but not through the culture soil 5 is attached on top of the mesh section 14, and the support section 4 provided with the root passage section 3 is provided on the top of the water storage tank section 1 and at the bottom of the cultivation tank section 6, The irrigation mechanism 7 replenishes the water storage tank 1 from the replenishing unit 10 with water that is insufficient for hydroponic cultivation, and replenishes the liquid fertilizer or the cultivation water containing the liquid fertilizer, and the cultivation water containing the liquid fertilizer is pumped from the water storage tank 1 by the irrigation control unit 11 of the irrigation mechanism 7 and irrigates the upper part of the cultivation tank 1 from the irrigation unit 9, and the irrigated cultivation water containing the liquid fertilizer returns to the water storage tank and circulates, and the water or the liquid fertilizer or the cultivation water containing the liquid fertilizer is replenished again as appropriate, and the irrigation is repeated, thereby cultivating crops hydroponically in the water storage tank while cultivating them in soil in the cultivation tank, and harvesting the crops. The present invention relates to a method for cultivating agricultural crops, characterized by the above.

[0010] The present invention relates to a method for cultivating agricultural crops as described in claim 1, characterized in that the support portion 4 equipped with the root passage portion 3 supports the cultivation soil 5 so as not to drop the cultivation soil 5 into the water tank portion 1 below, and the roots 2 of the crops reach the water tank portion 1 through the root passage portion 3 and take root.

[0011] [Effects of the Invention]

[0012] Since the present invention is configured as described above, it is possible to carry out hydroponic cultivation and soil cultivation in parallel, which solves or reduces the above-mentioned inconveniences and provides an unprecedented, revolutionary method for cultivating agricultural products that can produce and harvest rich, delicious agricultural products. [Brief explanation of the drawings]

[0013] [Figure 1] FIG. 1 is a front cross-sectional view illustrating a schematic configuration of the present embodiment. [Figure 2] FIG. 2 is a cross-sectional side view for explaining the present embodiment. [Figure 3] FIG. 2 is an explanatory perspective cross-sectional view of the present embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0014] The best mode for carrying out the present invention will now be briefly described with reference to the accompanying drawings, illustrating the operation of the present invention.

[0015] Water (for cultivation) containing liquid fertilizer etc. is stored in the water storage tank section 1, and the cultivation tank section 6 above it is supported by a support section 4 provided at the bottom and contains soil (for cultivation) 5 containing compost and organic fertilizer, which is used to form ridges for cultivating crops.

[0016] The roots 2 of the crops that have taken root extend into the soil 5 (ridge soil 5) in the cultivation tank section 6, and the crops are cultivated in soil in this cultivation tank section 6.

[0017] Furthermore, the roots 2 of the crops pass through the root passage 3 provided in the support part 4 at the bottom of the cultivation tank part 6 and reach the water storage tank part 1 below, where they take root and are hydroponically cultivated in this water storage tank part 1.

[0018] To explain further, the present invention is configured with an irrigation mechanism 7 that pumps water from the water storage tank 1 and irrigates the cultivation tank 6, passing it through the culture soil 5 in the cultivation tank 6 and returning to the water storage tank 1.This irrigation mechanism 7 pumps up water (for cultivation) from the water storage tank 1 and irrigates the cultivation tank 6, so that the water moistens the culture soil 5 in the cultivation tank 6 and passes back to the water storage tank 1, allowing it to be circulated.This means that even if liquid fertilizer is added, it is not wasted and the effects of the fertilizer can be maintained, and it also becomes easy to create a water flow within the water storage tank 1.

[0019] In other words, the roots 2 of the crops grown in the culture soil 5 of this cultivation tank section 6 reach the water tank section 1 through the root passage section 3 and take root in this water tank section 1 as well, allowing the crops to be grown in soil and hydroponics, and the fertilizer components of the liquid fertilizer for soil cultivation to be slowly absorbed by the roots 2 through the soil. During soil cultivation, the hydroponic water that passes through the culture soil 5 for soil cultivation falls downward, but this is not wasted but is instead pumped up and irrigated again into the culture soil 5, thereby promoting absorption by the roots 2 without waste. Furthermore, because the roots also take root in this water tank section 1, by adding liquid fertilizer or the like to this water, hydroponic cultivation can also be carried out, allowing the desired fertilizer to be quickly absorbed by the roots 2.

[0020] Therefore, the present invention realizes an unprecedented, revolutionary cultivation method that allows for soil cultivation using culture soil 5 by pumping up cultivation water and circulating irrigation, while also allowing for hydroponic cultivation in which the cultivation water is appropriately supplemented with fertilizer components from liquid fertilizer desired for the crop, allowing them to be quickly absorbed.

[0021] For example, if bone meal, oil cake, fish meal, or organic matter that makes fruit tastier is dissolved in water, the water will go bad, but since this is soil cultivation, if it is incorporated into the cultivation soil 5, it will not go bad easily and can be absorbed slowly by the roots 2 that grow in the soil, and can be further absorbed by the irrigation circulation.Also, since it is hydroponic cultivation, the cultivation water that has been impregnated with the above-mentioned liquid fertilizer, which is rich in nutrients for crops, can be instantly absorbed by the roots 2, just like humans receive nutrients through an intravenous drip, and any excess cultivation water is pumped up and used again to irrigate the cultivation soil 5, so it is less likely to go bad, and this can again be absorbed slowly but efficiently by the roots 2 in the cultivation soil 5. [Example]

[0022] A specific example 1 of the present invention will be described with reference to FIGS. 1 to 3. FIG.

[0023] In this embodiment, a support section 4 equipped with a root passage section 3 through which roots 2 of agricultural crops pass as they take root is provided on the top of the water storage tank section 1, and a cultivation tank section 6 is provided on the top of this support section 4 to support and store cultivation soil 5.

[0024] In this embodiment, the support section 4 equipped with the root passage section 3 supports the culture soil 5 so that the culture soil 5 does not fall into the water storage tank section 1 below, and the roots 2 of the crops reach the water storage tank section 1 through the root passage section 3 (numerous root passage holes) and take root.

[0025] Specifically, a soil storage case 12 for forming the cultivation tank section 6 along the length of a horizontally long (long in the ridge direction) water storage tank section 1 (cultivation tank base that can store water) that will form the ridges is placed in a floating state on top of this water storage tank section 1 (cultivation tank base that can store water), via support legs 13 that are set upright at the bottom of the water storage tank section 1, and a water storage section is provided in the space below this soil storage case 12, i.e., the cultivation tank base, to form the water storage tank section 1, which is irrigated (supplied) with water for hydroponic cultivation, and the support section 4 equipped with the root passage section 3 is formed at the bottom of this soil storage case 12.

[0026] To explain further, in this embodiment, as mentioned above, the support part 4 equipped with the root passage part 3 is formed at the bottom of the soil storage case 12, but specifically, the bottom of the soil storage case 12 is formed of a bottom plate part having many openings through which water, roots 2 and soil can pass, and a mesh part 14 with a mesh that does not allow anything other than fine soil to pass through is attached so as to cover this bottom plate part, and further, a rock wool culture medium 15 that does not allow fine soil to pass through but allows water and roots 2 to pass through is attached on top of the mesh part 14 on the bottom plate part of the soil storage case 12, and the support part 4 equipped with the root passage part 3 is arranged above the water storage tank part 1 and below the cultivation tank part 6.

[0027] In addition, in this embodiment, an irrigation mechanism 7 is provided which pumps up water from the water storage tank section 1 and irrigates (sprinkles) it into the cultivation tank section 6, passing it through the culture soil 5 in the cultivation tank section 6 and the support section 4 before returning to the water storage tank section 1.

[0028] Specifically, the irrigation mechanism 7 in this embodiment is composed of a pump unit 8 that draws up water from the water storage tank unit 1, an irrigation unit 9 that irrigates (sprinkles) the water drawn up by the pump unit 8 onto the cultivation soil 5 through a sprinkler pipe (irrigation tube) arranged at the top of the cultivation tank unit 6, a supply unit 10 that appropriately replenishes water or cultivation water to the water storage tank unit 1, i.e., water that is supplied by connecting it to a water supply pipe and an on-off valve and controlling the opening and closing of this on-off valve, and cultivation water containing liquid fertilizer, etc., from a cultivation water tank (liquid fertilizer tank) manually or by controlling the opening and closing of an on-off valve, and an irrigation control unit 11 that controls the operation of the pump unit 8 and also appropriately controls the opening and closing of each of the on-off valves.

[0029] In this embodiment, the irrigation mechanism 7 draws up cultivation water from the water storage tank 1 and irrigates the cultivation tank 6 through the irrigation tube, whereby the water moistens the culture soil 5 in the cultivation tank 6, passes through the culture soil 5, and returns to the water storage tank 1, where it can be circulated.Even if the circulating cultivation water is supplemented with fertilizer components from liquid fertilizer desired for the crops, this will not be wasted and the circulated irrigation will not be wasted, so the effectiveness of the fertilizer can be maintained and it is also easy to create a water flow within the water storage tank 1.

[0030] In this way, the timing and amount of circulating irrigation water can be adjusted and set according to various conditions and crops by controlling or manually operating the irrigation mechanism 7, and not only can this cultivation water be replenished, but the desired liquid fertilizer can also be easily replenished as needed. By replenishing this in the water storage tank 1, the immediate benefits of hydroponic cultivation can be obtained. Furthermore, by circulating the irrigation water to the culture soil 5 after a specified time, the fertilizer can be further absorbed by the roots 2 slowly but efficiently without rotting, and as mentioned above, it is possible to cultivate both soil cultivation and hydroponic cultivation in combination, obtaining the advantages of each while reducing the disadvantages of each.

[0031] In addition, by circulating the cultivation water for irrigation in this way, a water flow can be easily generated in the water storage tank 1 for hydroponic cultivation, resulting in good hydroponic cultivation.Furthermore, by providing a heating device that heats the cultivation water for circulating irrigation, the temperature of the culture medium 5 for soil cultivation can be easily raised, whereas in the past, the only ways to heat the culture medium 5 for soil cultivation were to bury fine iron pipes in the culture medium 5 and run warm water through them, or to bury hotbed wire in the culture medium 5.This is useful for cultivation in winter and early spring, and it can also be easily realized that both soil cultivation and hydroponic cultivation can be carried out in a heated state.

[0032] Therefore, according to the cultivation device of this embodiment, when the cultivation soil 5 is stored in the cultivation tank section 6 to form ridges and seeds are sown in the ridges to germinate and take root, the roots 2 of the crops that spread in the cultivation soil 5 in the cultivation tank section 6 will reach the water tank section 1 below the support section 4 via the root passage section 3 and will also spread their roots in this water tank section 1.

[0033] Then, by appropriately pumping water from the water storage tank section 1 using the irrigation mechanism 7 and irrigating the cultivation tank section 6, this cultivation water will moisten the culture soil 5 in the cultivation tank section 6 and pass through before returning to the water storage tank section 1.With appropriate circulating irrigation in this manner, crops can be cultivated in the culture soil 5 in the cultivation tank section 6, and the roots 2 of the crops cultivated in the culture soil 5 in the cultivation tank section 6 will also reach the water storage tank section 1 through the root passage section 3 and take root in this water storage tank section 1 as well, making it possible to cultivate crops hydroponically.

[0034] Therefore, crops can be grown in both soil and hydroponics, and fertilizer components such as liquid fertilizer can be slowly absorbed by the roots 2 through the soil, reducing the problem of rotting that occurs when growing only hydroponics.While soil cultivation is performed, the cultivation water irrigated into the culture medium 5 falls downwards, but rather than being wasted, it is pumped up again and irrigated into the culture medium 5 again, which promotes absorption into the roots 2 without waste.Furthermore, since the roots 2 also take root in the water storage tank 1 as mentioned above, if liquid fertilizer is added to the water (cultivation water) in the water storage tank 1, for example, by irrigating from a cultivation water tank containing liquid fertilizer, the fertilizer can be quickly absorbed by the roots 2 that have taken root in the water storage tank 1, and hydroponic cultivation can also be performed.

[0035] In other words, it is possible to realize an unprecedented revolutionary cultivation method that allows both soil cultivation using soil and hydroponic cultivation.Furthermore, to reiterate, crops can be cultivated in both soil and hydroponic cultivation, and while soil cultivation can be performed by slowly allowing fertilizers such as liquid fertilizer to be absorbed into the roots 2 through the soil, thereby reducing the problem of rotting, the water used for cultivation falls downward, but by not wasting it but instead pumping it up and irrigating the culture soil 5 again, waste can be eliminated and absorption into the roots 2 can be promoted.Furthermore, since the roots also take root in this water storage tank 1, if liquid fertilizer is added to this water, for example, supplementary irrigation can be performed, and hydroponic cultivation can also be performed, where the water is quickly absorbed into the roots 2.

[0036] Further explaining this embodiment based on the drawings, this embodiment is a cultivation device for cultivating tomatoes, etc., in which a cultivation tank base formed long like a U-shaped ridge in cross section is installed, waterproof vinyl is applied to the inside of this box-shaped cultivation tank base to form the water storage tank section 1, the pumping section of the pump section 8 is installed at the bottom of one end of this, and this pump section 8 is used to supply water from the water storage tank section 1 to a sprinkler pipe, for example an irrigation tube, as the irrigation section 9 placed on the culture soil 5 of the cultivation tank section 6 provided on top of the water storage tank section 1, and irrigation is configured to be performed from above the culture soil 5.

[0037] In addition, in this embodiment, the water irrigated from this irrigation tube at a predetermined timing for a predetermined period of time (including when the water sprinkler tube is buried in the soil and submerged) moistens the culture soil 5, passes through this culture soil 5 and the support part 4, and drips into the water storage tank part 1, restoring the water storage tank part 1 to a constant water level.However, if the water level does not return to a constant level by the predetermined time until the next irrigation starts, the irrigation mechanism 7 is used to perform supplementary irrigation so that the water level is maintained at a constant level, and then the next watering is started.

[0038] In addition, in this embodiment, the irrigation mechanism 7 performs this operation a predetermined number of times within a predetermined time period appropriate for the crop being cultivated, thereby generating a predetermined number of water flows within a predetermined time period from the opposite side of the end where the pumping part of the pump unit 8 is installed in the water storage tank unit 1 toward the pump unit 8, and the roots that have penetrated through the culture soil 5 in the upper cultivation tank unit 6 can be well cultivated hydroponically in the water storage tank unit 1, so that with a single cultivation device, soil cultivation can be performed in the upper cultivation tank unit 6 and hydroponic cultivation can be performed in the lower water storage tank unit 1.

[0039] To explain further, in this embodiment, the support portion 4 equipped with the root passage portion 3 is provided about 1 / 3 of the depth of the cultivation tank from the bottom surface of the cultivation tank base, which has a U-shaped cross section when the length direction of the ridges is taken as the left-right direction.However, as mentioned above, the soil storage cases 12 may be arranged left and right so that the bottom plate portion is positioned at this height, or, for example, a partition plate with many holes for roots to pass through may be installed as the root passage portion 3, and a rock wool medium 15 about 3 cm thick is laid over the entire surface of this partition plate as the support portion 4, and then culture soil 5 is poured on top of this rock wool medium 15 to a thickness (depth) suitable for the crop to be cultivated.

[0040] In addition, the pumping section of the pump section 8 for supplying water to the sprinkler pipe (irrigation tube) is installed submerged at the bottom of one end of the water storage tank section 1, adjacent to one end of the cultivation tank section 6, and when this pump section 8 and the irrigation tube are connected and water is supplied, the water coming out of the irrigation tube passes through the culture soil 5, where the roots have spread, and the support section 4, while moistening the culture soil 5, and the excess water becomes clean and accumulates in the water storage tank section 1 below the cultivation tank section 6, where it is used as circulating water for hydroponic cultivation. In other words, hydroponic cultivation can be carried out in the lower water storage tank section 1 while soil cultivation can be carried out in the upper cultivation tank section 6, enabling good growth.

[0041] Furthermore, for crops such as tomatoes and melons, the appearance, shape, richness, and flavor determine the quality of the crop, so culture medium 5 is used as the soil cultivation medium. However, for crops such as chives, which do not exhibit richness or flavor, have the same appearance and shape, and can be harvested two or three times from the same plant once, it is also useful to use rock wool as the soil cultivation medium instead of culture medium 5. Furthermore, using part of this cultivation method in the applicant's Patent No. 7017211 helps eliminate waste and improve the use of Patent No. 7017211. In other words, since it is wasteful to fill and drain the top of the culture medium 5 after planting seedlings or sowing seeds on top of the culture medium 5 when only a few roots have emerged, watering and draining are not performed until the roots have spread in all directions, and instead an irrigation tube is placed on the top of the ridge and irrigated by connecting the pump unit 8 to the irrigation tube, making better use of Patent No. 7017211.

[0042] Therefore, in this embodiment, as described above, soil cultivation can be carried out in the upper part of one cultivation tank while hydroponic cultivation can be carried out in the lower part, which allows the crops to have richness and flavor, and in order to compensate for the lack of rooting due to the factor of continuous cropping that occurs in the soil cultivation section, many roots are grown and multiplied in the reservoir area where the excess irrigation water that has passed through the upper soil cultivation soil and rock wool medium is used as a filter and has become pure water, allowing crops to be cultivated while compensating for the chain damage that occurs in soil cultivation and the lack of rooting due to pests in the soil, and this is an innovative cultivation method that can grow high-quality crops without the need to replace the rock wool for each crop or use disposable rock wool medium for each crop.

[0043] The present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate. [Explanation of symbols]

[0044] 1 Water tank section 2. (Crop) roots 3 Root passage part 4 Bearing part 5 Cultivating soil 6 Cultivation tank section 7 Irrigation mechanism 8 Pump section 9 Irrigation section 10 Supply Department 11 Irrigation control unit 12 Soil storage case 13 Support legs 14 Amibe 15 Rockwool medium

Claims

1. A method for cultivating agricultural crops using a cultivation device for agricultural crops, the cultivation device having a water storage tank section for storing water and performing hydroponic cultivation, a support section at the bottom of which is provided with a root passage section through which roots of agricultural crops pass, and a cultivation tank section for storing cultivation soil and performing soil cultivation by supporting the cultivation soil on the support section, The water storage tank section stores water for hydroponic cultivation, and the water storage tank section is pumped up by an irrigation mechanism to irrigate the cultivation tank section. This water moistens the culture soil in the cultivation tank section and returns to the water storage tank section, and agricultural crops are cultivated in the moistened culture soil in the cultivation tank section. The roots of the crops grown in the culture soil of the cultivation tank section reach the water storage tank section through the root passage section and take root in the water of the water storage tank section, thereby hydroponically cultivating the crops, The irrigation mechanism is configured to include a pump unit that draws up water from the water storage tank unit, an irrigation unit that irrigates the upper part of the cultivation tank unit with the water drawn up by the pump unit, a supply unit that replenishes the water storage tank unit with water and liquid fertilizer or cultivation water containing liquid fertilizer when it is insufficient for hydroponic cultivation, and an irrigation control unit that controls the operation of the pump unit, A method for cultivating agricultural crops in which the crops are grown both in soil and hydroponically to produce and harvest the crops, The bottom of the cultivation tank is formed of a bottom plate having a large number of openings through which water, the roots, and the culture soil pass, and a mesh portion through which water and the roots pass is attached so as to cover the bottom plate, and a rock wool culture medium which does not allow the culture soil to pass but allows water and the roots to pass is attached on top of the mesh portion, and the support portion provided with the root passage portion is configured to be provided at the top of the water storage tank and at the bottom of the cultivation tank, The irrigation mechanism replenishes the water storage tank section from the supply unit with water that is insufficient for hydroponic cultivation, and replenishes the liquid fertilizer or the cultivation water containing the liquid fertilizer, and the irrigation control unit of the irrigation mechanism irrigates the cultivation water containing the liquid fertilizer pumped from the water storage tank section from the irrigation unit to the upper part of the cultivation tank section, so that the irrigated cultivation water containing the liquid fertilizer returns to the water storage tank section and circulates, and the water or the liquid fertilizer or the cultivation water containing the liquid fertilizer is replenished as appropriate again, thereby repeating the irrigation process, thereby cultivating the crops in soil in the cultivation tank section while hydroponically cultivating them in the water storage tank section, causing them to ripen and be harvested.

2. A method for cultivating agricultural crops as described in claim 1, characterized in that the support portion provided with the root passage portion supports the cultivation soil and prevents the cultivation soil from falling into the water tank portion below, and the roots of the agricultural crops reach the water tank portion through the root passage portion and take root.

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