WO2022114098A1 - Cultivation system and cultivation method for water-grown wasabi - Google Patents
Cultivation system and cultivation method for water-grown wasabi Download PDFInfo
- Publication number
- WO2022114098A1 WO2022114098A1 PCT/JP2021/043319 JP2021043319W WO2022114098A1 WO 2022114098 A1 WO2022114098 A1 WO 2022114098A1 JP 2021043319 W JP2021043319 W JP 2021043319W WO 2022114098 A1 WO2022114098 A1 WO 2022114098A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cultivation
- water
- wasabi
- soil
- covering member
- Prior art date
Links
- 241001293164 Eutrema japonicum Species 0.000 title claims abstract description 188
- 235000000760 Wasabia japonica Nutrition 0.000 title claims abstract description 187
- 238000012364 cultivation method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 280
- 239000002689 soil Substances 0.000 claims abstract description 132
- 230000035699 permeability Effects 0.000 claims abstract description 14
- 239000012466 permeate Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 80
- 239000002352 surface water Substances 0.000 claims description 27
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 25
- 238000004458 analytical method Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 15
- 239000004575 stone Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 239000004576 sand Substances 0.000 description 10
- 230000001771 impaired effect Effects 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000003673 groundwater Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000035515 penetration Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002401 inhibitory effect Effects 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 230000003204 osmotic effect Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- -1 gravel Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 208000022602 disease susceptibility Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003501 hydroponics Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 235000018343 nutrient deficiency Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
Definitions
- This technique relates to the wasabi cultivation system and cultivation method. More specifically, the present invention relates to a wasabi cultivation system and a cultivation method that can realize high efficiency.
- wasabi cultivation is carried out in a limited area where abundant mountainous land and cultivated water can be used.
- cultivation in mountainous areas poses a risk of disease susceptibility due to the collapse of wasabi fields due to turbid flow caused by floods and the mixing of germs with the cultivated water, and the problem of reduced production has been pointed out.
- the wasabi releases a growth-inhibiting component from the roots, causing self-poisoning and slowing the growth of the rhizome of the wasabi.
- Patent Document 1 has a house cultivation section configured by covering the upper part of each of a plurality of cultivation areas provided in a soil area with a covering body, and each of the house cultivation sections is provided with a sprinkling section for sprinkling cultivation water. At the same time, a drainage section is provided to drain the cultivation water sprinkled from this sprinkling section to the outside of the house cultivation section, and the drainage section of one of the adjacent house cultivation sections and the watering section of the other house cultivation section are sprinkled.
- a wasabi cultivation plant in which a wastewater section of one house cultivation section is configured to supply cultivation water from a drainage section of another house cultivation section to a sprinkling section of another house cultivation section.
- This technique is a wasabi cultivation method that can reliably supply the amount of cultivation water required for wasabi cultivation to the roots and construct a cultivation environment in which growth-inhibiting components can be efficiently washed away.
- a planting unit is prepared by combining a plurality of spacing cassettes in which a plurality of planting holes are arranged in one or two rows on an elongated plate-shaped main body having heat insulating properties and light-shielding properties.
- Each body of the pacing cassette is aligned and arranged in the same hydroponic bed so that it is at a predetermined height from the bottom of the hydroponic bed, and plant seedlings are fixed in each planting hole with a fixing material.
- a method for hydroponically cultivating a plant which can widen the alignment interval of the spacing cassette according to the growth stage of the plant, is disclosed, and it is described that the swamp wasabi can be cultivated using this method.
- a cultivation area is created in an area where cultivation water can be secured in the mountainous area, a soil layer is created by laminating sieved stone gravel sand, and the cultivation water is guided to the surface water that flows to the soil surface.
- a cultivation method characterized by being divided into seepage water that permeates the inside of the soil. In this method, since the cultivated water flows on the soil, weeds are difficult to grow, dead leaves and debris can be washed away, and the environment around the wasabi can be kept at a temperature suitable for cultivation.
- Patent Document 2 since the method of Patent Document 2 is hydroponic cultivation, the medium is only a nutrient solution in the lower part of the hydroponic cultivation bed, and the roots of Sawa wasabi are not fixed and sway, resulting in poor growth for about one year. Only about 70 g / strain can be harvested by cultivation, and there is a problem that the production amount is small.
- FIG. 13 shows the state of uneven growth of wasabi that occurred when a general wasabi cultivation system was used.
- the main purpose of this technique is to provide a method for cultivating wasabi, which selectively infiltrates water only at the root of wasabi and constantly flows water to the surface of the cultivation area.
- the cultivation water can be continuously supplied to the cultivation water holding unit.
- the cultivated water holding portion of the wasabi cultivation system according to the present technique may include a surface water discharging portion for discharging cultivated water on the surface of the ground covering member.
- the wasabi cultivation system according to the present technology may be provided with a seepage water discharge unit which is arranged in the lower part of the soil and discharges the cultivation water which has permeated the soil.
- the wasabi cultivation system according to the present technique may be provided with a weight portion on the upper surface of the ground covering member to bring the ground covering member into close contact with the soil.
- the wasabi cultivation system according to the present technology can be provided with a permeation water control unit that controls the permeation amount of the cultivation water from the through hole to the soil.
- the ground covering member of the wasabi cultivation system according to the present technique may be provided with a second through hole in which wasabi is not planted. In the wasabi cultivation system related to this technique, the soil is laid and a cultivation tank with a slope on the bottom is used.
- the bottom of the cultivation tank may be provided with one or a plurality of porous tubes arranged to the most downstream of the cultivation tank with respect to the flow direction of the cultivation water.
- the starting point of the perforated tube can be defined between the most upstream and the most downstream of the cultivation tank.
- the cultivated water discharged in the surface water discharge step can be discharged from the wasabi cultivation system without being circulated.
- the cultivated water discharged in the seepage water discharge step is It can be discharged from the wasabi cultivation system without being circulated.
- FIG. 5 is a schematic cross-sectional view of the fifth embodiment of the wasabi cultivation system 1 according to the present invention as viewed from the side surface.
- 6 is a schematic cross-sectional view of the sixth embodiment of the wasabi cultivation system 1 according to the present invention as viewed from the side surface.
- A is the result of CFD analysis of the wasabi field longitudinal cross section without the perforated tube 13
- B is the cross section (width) at a depth of 25 mm from the wasabi field surface without the perforated tube 13.
- the result of the CFD analysis in the direction 1/2) is shown in C, the result of the CFD analysis of the longitudinal cross section of the wasabi field with the perforated tube 13 installed, and D is the surface of the wasabi field with the perforated tube 13 installed.
- the result of the CFD analysis of the cross section (1/2 in the width direction) at the depth position from 25 mm to 25 mm is shown.
- It is a schematic cross-sectional view in the longitudinal direction which shows the 7th Embodiment of the wasabi cultivation system 1 which concerns on this invention, and B of FIG.
- FIG. 11 is a schematic cross-sectional view of the PP line of A. It is a drawing substitute photograph which shows the state of the growth unevenness of wasabi which occurred when the general cultivation system (Comparative Example 2) was used. It is a growth difference comparative photograph of wasabi grown by the cultivation system shown in Comparative Example 1 and Example 1. It is a growth photograph of wasabi grown by the cultivation system shown in Example 4.
- FIG. 1 is a schematic cross-sectional view of the first embodiment of the wasabi cultivation system 1 according to the present invention as viewed from the side surface.
- FIG. 2 is a schematic view of an upward view seen from above of the first embodiment of the wasabi cultivation system 1 according to the present technique.
- the wasabi cultivation system 1 according to the present invention according to the present invention has at least a soil cultivation 11, a ground covering member 12, and a cultivation water holding portion 13. Further, if necessary, a seepage water discharge section 14, a weight section 15, a seepage water control section 16, a cultivation water supply section 17, a cultivation tank T, a perforated tube 18, and the like can be provided.
- each part will be described in detail.
- Soil 11 The wasabi cultivation system related to this technique uses soil with a structure that allows water to permeate, not hydroponics. As the composition of the soil 11 can be used, the soil 11 that can be used for general wasabi cultivation can be used as long as the effect of the present technique is not impaired.
- a structure in which soils having different particle sizes are laminated in multiple layers For example, a plurality of (for example, three) stone layers (each layer, for example, about 20 cm) having different average particle sizes are formed in multiple stages above and below, and the average particle size increases from the upper layer to the lower layer.
- a soil-growing stone with a diameter of about 1 cm or less is used, and as the intermediate-layer soil-growing stone, a soil-growing stone with a diameter of about 4 cm or less is used.
- a soil-growing stone in the lowest layer As the soil-growing stone in the lowest layer, a soil-growing stone with a diameter of about 15 cm or more can be adopted.
- Gravel and soil may be mixed with each stone layer as needed.
- gravel and soil can be appropriately mixed in the uppermost layer for planting wasabi seedlings for the purpose of imparting appropriate water retention.
- the soil 11 is configured so that the permeation amount of the cultivated water W is constant at all positions in the horizontal direction. That is, it is preferable to configure the soil so that the porosity is the same at all positions in the horizontal direction. Specifically, it is preferable to spread the stone gravel sand in the soil so that the boundary surface of each layer is located at the same height at all positions in the horizontal direction.
- the surface of the soil 11 flat.
- the surface of the soil 11 By flattening the surface of the soil covering 11, when the ground covering member 12 described later is installed, unevenness is prevented on the surface thereof, and the cultivation water in the cultivation water holding portion 13 on the ground covering member 12 is prevented. It is possible to prevent the stagnation of the flow of W. As a result, the permeation amount of the cultivation water W from the through holes 121 of the ground covering member 12 described later can be kept constant in all the through holes 121.
- the cultivation environment in the cultivation system is stable, and uneven growth of wasabi in one cultivation system can be prevented.
- the amount of cultivated water W permeated into the soil 11 can be measured by the following procedure. First, the amount of cultivated water W supplied to the soil 11 is measured in hours. Next, the amount of cultivated water W discharged from the surface water discharge unit 131, which will be described later, is measured on an hourly basis, and the amount of cultivated water W permeated into the soil 11 is determined by dividing the amount of discharge from the supply amount. Can be calculated.
- the permeation amount of the cultivated water W per hole of the through hole 121 of the ground covering member 12 to be described later can be calculated by dividing the permeation amount of the cultivated water W into the soil 11 by the number of through holes 121. .. Further, the ground covering member 12 described later may be provided with only one through hole 121 to measure the permeation amount of the cultivated water W into the soil production 11.
- the permeation amount of the cultivated water W per through hole 121 is preferably 50 to 3000 mL / min, more preferably 100 to 1500 mL / min in order to suppress the amount of water used, and as will be described later, the root of wasabi. For efficient cleaning, 150-750 mL / min is more preferred.
- the soil 11 is configured so that the permeation amount of the cultivation water W per one hole of the through hole 121 at all the positions in the horizontal direction is within the above range. Is preferable.
- the ground covering member 12 is in the form of a sheet or a plate having a water permeability of 50% or less, and is arranged on the soil 11.
- the ground covering member 12 is provided with a through hole 121 through which the wasabi seedlings can penetrate, and the cultivation water W permeates through the through hole 121 into the soil production 11.
- the wasabi cultivation system according to the present technology, by equipping the soil 11 with a ground covering member 12 provided with a through hole 121, it is possible to suppress the infiltration of water from a portion other than the through hole 121 into the soil 11. Therefore, water can be selectively permeated into the soil 11 from only the through hole 121, and only the root of the wasabi can be washed away intensively, and the cultivated water W can be constantly flowed to the surface of the cultivated area. ..
- the growth-inhibiting component released from the root of wasabi can be washed away, and the adhesion of dirt on the surface of the cultivated area, that is, the surface of the wasabi field can be prevented, and the rhizome of wasabi with good color development can be efficiently produced.
- the form of the through hole 121 is a size capable of planting wasabi seedlings, and is not particularly limited as long as the effect of this technique is not impaired.
- the shape can be freely designed such as a circle, an ellipse, or a polygon.
- the through hole 121 is too small, it will not be possible to plant wasabi seedlings, and the amount of permeation of the cultivated water W will decrease, which may affect the growth of wasabi. On the contrary, if it is too large, the permeation of the cultivated water W from the through hole 121 into the soil 11 may become too large, or an excessive flow of the cultivated water W may be created outside the range where the roots of wasabi are grown. be. Therefore, it is preferable to appropriately design the size of the through hole 121 according to the size of the wasabi seedlings, the preferable amount of the cultivation water W to be infiltrated into the soil 11, and the like.
- the amount of cultivated water W that permeates the inside of the soil 11 can be adjusted by the size of the through hole 121, so that the smaller the amount, the less the amount of cultivated water W used.
- the size of the through hole 121 is preferably 1 to 15 cm in diameter, more preferably 1.5 to 10 cm in diameter, and even more preferably 5.5 to 6.5 cm in diameter.
- the arrangement of the through holes 121 in the ground covering member 12 is not limited as long as the effect of the present technique is not impaired, and can be arranged in a grid pattern, a staggered pattern, or randomly. Further, the distance between the through hole 121 and the through hole 121 is not limited as long as the effect of the present technique is not impaired. For example, depending on the variety of wasabi, it may grow better if it is planted densely within a range that does not interfere with the roots. Therefore, in this technique, it is preferable to maintain an interval of 15 to 25 cm in consideration of efficient growth according to the variety of wasabi.
- the space between the through hole 121 and the through hole 121 at an interval of +1 to 20 cm with respect to the average root spread in the varieties of wasabi to be planted, and at an interval of +5 to 10 cm. It is more preferable to do so.
- Sawa wasabi seedlings are planted from the through hole 121 of the ground covering member 12 so that the root portion is immersed in the soil 11 (see FIG. 3).
- the variety of wasabi is not particularly limited, and can be, for example, a true wife, and the type of seedling is not particularly limited, and can be a melikron seedling, a split seedling, a seedling, a sprout seedling, or the like.
- the water permeability of the ground covering member 12 may be 50% or less, preferably 30% or less, more preferably 20% or less, further preferably 10% or less, and 0% is the best.
- the form of the ground covering member 12 is not particularly limited as long as the effect of the present technique is not impaired.
- it can be freely designed in a sheet shape, a film shape, a plate shape, or the like.
- the material used to form the ground covering member 12 is also a material having a water permeability of 50% or less, and can be freely selected as long as the effect of the present technique is not impaired.
- one kind or two or more kinds of resin, wood, metal, glass, non-woven fabric and the like can be freely laminated or combined and used.
- the thickness of the ground covering member 12 is preferably such that the shoots are not covered because the photosynthesis of the shoots growing from the wasabi seedlings is not inhibited. Specifically, the thickness of the ground covering member 12 is preferably 3 cm or less, and more preferably 2 cm or less.
- the color of the ground covering member 12 is not particularly limited as long as the effect of the present technique is not impaired.
- a color having a high solar reflectance such as white or silver is particularly preferable.
- the ground covering member 12 having a color having a high solar reflectance By using the ground covering member 12 having a color having a high solar reflectance, the amount of solar radiation to the soil 11 can be reduced and the temperature of the soil 11 can be kept low. Further, it is also possible to impart a pest repellent effect by using a silver-colored metal-colored covering member 12.
- the Sawa wasabi cultivation system 1 can be provided with a surface water control unit that controls the flow path of the cultivation water W (hereinafter, also referred to as “surface water”) flowing on the ground covering member 12.
- surface water controls the flow path of the cultivation water W (hereinafter, also referred to as “surface water”) flowing on the ground covering member 12.
- the configuration of the surface water control unit is not particularly limited as long as the flow path of the cultivated water on the ground covering member 12 can be controlled.
- the configuration of the surface water control unit is not particularly limited as long as the flow path of the cultivated water on the ground covering member 12 can be controlled.
- ridges can be formed as shown in FIG. 4, for example. Since the cultivated water flows through the rows of furrows, the cultivated water W can be surely flowed to the planting part.
- walking in a row or pressing a board can be considered as a method of forming the ridges.
- FIG. 5 is a schematic view schematically showing a modified example of the first embodiment of the ground covering member 12,
- A is a schematic cross-sectional view of the ground covering member 12 viewed from the side surface side, and B1 to B3 are ground covering members. It is the upper view schematic diagram which looked at the member 12 from the upper direction.
- the ground covering member 12 of the wasabi cultivation system 1 according to the present technique may be provided with a second through hole 122 in which the wasabi is not planted.
- the cultivation water W can be infiltrated from the second through hole 122 as well, so that the cultivation water W can be efficiently infiltrated into the root of the wasabi even with the same amount of cultivation water. Can be done.
- the form of the second through hole 122 is not particularly limited as long as the effect of the present technique is not impaired.
- the shape can be freely designed such as a circle, an ellipse, or a polygon.
- the second through hole 122 may have the same form as the through hole 121 in which the wasabi seedlings are planted, as shown in FIG. 5B1, or the wasabi seedlings are planted as shown in FIG. 5B2.
- the size and shape may be different from those of the through hole 121.
- the second through holes having different sizes and different shapes are provided. It is also possible to mix 122.
- the size of the second through hole 122 is also not particularly limited, and is preferably 1 to 15 cm in diameter, more preferably 1.5 to 10 cm in diameter, and even more preferably 1.5 to 6 cm in diameter.
- companion plants can be planted in the second through hole 122 in anticipation of the disease prevention effect, pest repellent effect, growth promotion effect, etc. of wasabi.
- the cultivation water W can be constantly flowed to the surface of the cultivation area.
- the adhesion of dirt on the surface of the cultivation area that is, the surface of the wasabi field
- the cultivated water holding unit 13 can be provided with a surface water discharging unit 131 for discharging the cultivated water W on the surface of the ground covering member 12.
- a surface water discharging unit 131 for discharging the cultivated water W on the surface of the ground covering member 12.
- the cultivated water W discharged from the surface water discharge unit 131 contains unnecessary substances such as dead leaves and scraps on the surface of the wasabi field, it is preferable to discharge the cultivated water W without circulating the cultivation system.
- the swamp wasabi cultivation system 1 can be provided with a seepage water discharge unit 14 that does not emit the cultivation water W (hereinafter, also referred to as “penetration water”) that has permeated the soil 11.
- penetration water the cultivation water W
- penetration water an appropriate water flow is generated in the cultivated water W that has permeated the soil 11 and the stagnation of the cultivated water W in the soil 11 can be prevented.
- nutrients and dissolved oxygen in the cultivated water can be continuously supplied to the roots of wasabi, and the growth-inhibiting components released from the roots of wasabi can be washed away to promote the growth of wasabi.
- the arrangement of the seepage water discharge unit 14 is not particularly limited as long as the effect of this technique is not impaired.
- the structure may be provided with the permeated water discharge unit 14.
- the cultivated water W discharged from the seepage water discharge unit 14 contains a growth inhibitory component released from the root of wasabi, it is preferable to discharge the cultivated water W without circulating the cultivation system.
- FIG. 7 is a schematic cross-sectional view of the third embodiment of the wasabi cultivation system 1 according to the present technique as viewed from the side surface.
- the wasabi cultivation system 1 according to the present technique may be provided with a weight portion 15 for bringing the ground covering member 12 into close contact with the soil production 11 on the upper surface of the ground covering member 12.
- the adhesion between the ground covering member 12 and the soil 11 can be improved, and unnecessary permeation of the cultivated water W into the soil 11 can be prevented.
- the material constituting the weight portion 15 is not particularly limited as long as it is a material that serves as a weight for bringing the ground covering member 12 into close contact with the soil production 11.
- the weight portion 15 may be formed by placing stones, gravel, soil, etc. used for the above-mentioned soil production 11 on the upper surface of the ground covering member 12.
- FIG. 8 is a schematic cross-sectional view of the fourth embodiment of the wasabi cultivation system 1 according to the present technique as viewed from the side surface.
- the wasabi cultivation system 1 according to the present technology can be provided with a permeation water control unit 16 that controls the permeation amount of the cultivation water W from the through hole 121 into the soil 11.
- a permeation water control unit 16 that controls the permeation amount of the cultivation water W from the through hole 121 into the soil 11.
- the configuration of the permeation water control unit 16 is not particularly limited as long as the amount of permeation of the cultivated water W into the soil 11 can be controlled.
- the stone, gravel, soil, etc. used for the above-mentioned soil cultivation 11 are put on the entire upper surface including the through hole 12 of the ground covering member 12.
- the stones, gravel, soil, etc. used for the soil production 11 can fulfill the function of the above-mentioned weight portion 15 while fulfilling the function of the seepage water control unit 16.
- the permeation amount of the cultivated water W from the through hole 121 to the soil 11 is not different in each through hole 121.
- the difference in the amount of osmotic water between the portion where the amount of osmotic water from the through hole 121 is the largest and the portion where the amount of osmotic water from the through hole is the smallest is preferably 50% or less, and the smaller the difference is. preferable.
- the wasabi cultivation system 1 may be provided with a cultivation water supply unit 17.
- the cultivation water W is continuously supplied to the cultivation water holding unit 13 described above.
- water can be taken from a water source such as a well or a water tank by a water pump or the like, and the cultivated water W can be continuously supplied to the cultivated water holding unit 13.
- the cultivation water supply unit 17 is not indispensable, and an external hose or water pipe can be used.
- FIG. 10 is a schematic cross-sectional view of the sixth embodiment of the wasabi cultivation system 1 according to the present invention as viewed from the side surface.
- the wasabi cultivation system 1 according to the sixth embodiment is characterized by including a cultivation tank T having a slope on the bottom surface and one or a plurality of perforated tubes 18.
- the cultivation tank T is preferably formed of, for example, a material whose surroundings are not destroyed or leaked, and is formed in a pool shape. Specifically, for example, it is composed of a ridge plate and a sheet.
- the material of the slab is not particularly limited, but may be made of plastic, for example.
- the sheet can be, for example, capable of suppressing the penetration of water. More specifically, around the land excavated for installing the soil 11 (for example, flat land, mountainous area, etc.), a ridge plate is installed in the form of being driven into clay soil.
- a tank is formed by installing the ridge plate, and the sheet is installed in a pool shape so that water does not seep out from the tank.
- the width, length, depth, etc. of the cultivation tank T are not particularly limited and can be appropriately designed by those skilled in the art. Further, the cultivation tank T may be constructed inside a factory, an agricultural house, a tunnel, or the like.
- the slope is preferably 1/1000 to 1/20 from the most upstream T1 to the most downstream T2 of the cultivation tank T from the viewpoint of not retaining the cultivation water near the bottom surface of the cultivation tank T and from the viewpoint of creation. , 1/500 to 1/30, more preferably 1/200 to 1/50.
- Porous tube 18 One or a plurality of perforated tubes 18 are arranged up to the most downstream T2 of the cultivation tank T with respect to the flow direction of the cultivation water W. In the present technique, it is particularly preferable that a plurality of porous tubes 18 are arranged as shown in FIG. 12, which will be described later.
- the starting point 180 of the porous tube 18 is defined between the most upstream T1 and the most downstream T2 of the cultivation tank T.
- the cultivation water W is prevented from staying at the bottom of the cultivation tank T, the permeability of the cultivation water W is averaged over the entire wasabi field, and uneven growth can be prevented and good growth can be obtained.
- the hole formed in the porous tube 18 is preferably sized so that gravel does not enter. If the holes are too narrow, clogging will occur, but if the holes are too large, the soil will pass through and the soil for the medium will decrease. Further, the hole may be formed on the entire peripheral surface of the perforated tube 18, or may be formed only on about two-thirds of the peripheral surface. When the holes are formed on the entire peripheral surface of the perforated tube 18, the opening ratio can be, for example, 0.2% or more.
- the diameter of the perforated tube 18 is not particularly limited, and for example, one having a diameter of 25 mm to ⁇ 200 mm can be used.
- the length of the perforated tube 18 in the flow direction of the cultivated water W is not particularly limited, and for example, one having 1 m to 10 m can be used.
- the starting point 180 of the porous tube 18 is preferably defined based on CFD (Computational Fluid Dynamics) analysis.
- CFD analysis is an abbreviation for Computational Fluid Dynamics, and is a method for visualizing the flow by analyzing equations related to fluid motion with a computer.
- Commercially available software can be used for CFD analysis, and for example, Fluent ver19.0 (manufactured by Ansys) or the like can be used.
- the calculation condition for CFD analysis can be, for example, setting the soil 11 as a porous body and analyzing the behavior of the fluid inside the porous body.
- the physical properties required for analysis are the density (kg / m 3 ), viscosity (kg / m ⁇ s), flow rate (cm 3 / min), and porosity, which are the conditions of the fluid (water and water temperature are set appropriately).
- It is a viscous resistance coefficient (1 / m 2 ) which is a condition of the body (soil 11).
- the viscous drag coefficient which is a condition of the porous body, is appropriately set for each soil production 11.
- the viscosity resistance coefficient is determined by, for example, filling a control soil, infiltrating water into a straight pipe (vertical) that prevents the outflow of the soil 11 with a wire net at the bottom, measuring the water permeability, and measuring the permeability of the pipe. After obtaining the water permeability from the inner diameter area, it can be obtained by Darcy's law expressed by the following formula (1).
- ⁇ P Pressure loss (Pa) ⁇ : Viscosity (Pa ⁇ s) V: Filter inlet (before entering the filter) Velocity (m / s) ⁇ t: Filter thickness (m) ⁇ : Penetration rate (m 2 ) 1 / ⁇ : Viscous drag coefficient (1 / m 2 )
- FIG. 11A shows the analysis result of the wasabi field longitudinal cross section in the state where the perforated tube 18 is not installed
- FIG. 11B shows the cross section at a depth of 25 mm from the wasabi field surface in the state where the perforated tube 18 is not installed.
- the analysis result in the width direction 1/2) is shown.
- the starting point 180 of the perforated tube 18 is defined as a center within a section where the flow of cultivated water in the upper layer of the soil-growing portion stays as a result of the CFD analysis, and is defined within a predetermined distance from the center.
- the section is, for example, the X portion of FIG.
- the cultivation water W in the upper layer of the soil 11 is retained.
- the cultivation water flows only on the surface layer of the soil 11 and the bottom surface (gravel layer) of the soil 11 having high permeability, and the cultivation water W near the upper layer (coarse sand layer) of the soil 11 where the roots of wasabi seedlings grow. Refers to the part where is not flowing very much.
- FIG. 11C shows the analysis result of the wasabi field longitudinal cross section with the perforated tube 18 installed
- FIG. 11D shows the cross section at a depth of 25 mm from the wasabi field surface with the perforated tube 18 installed (width direction 1 /).
- the analysis result of 2) is shown.
- the cultivation water W moves from a place where the void ratio is low to a place where the void ratio is high, and the cultivation water W permeates from the upper part of the porous tube 18 in order to fill the inside of the porous tube 18, and as a result, the vicinity of the porous tube 18 on the upstream side. Improves the penetration of cultivated water. Also in FIG. 11D, it can be seen that by arranging the perforated tube 18, the portion where the color is displayed dark (X portion in FIG. 11B) is displayed lightly. In the present invention, the perforated tube 18 is arranged up to the most downstream T2 of the cultivation tank T with respect to the flow direction of the cultivation water W, and the permeated cultivation water W is transferred to the downstream part.
- the starting point 180 of the perforated pipe 18 identifies the layer determined to be the slowest at the flow velocity from the surface of the soil 11 to a depth of 100 mm as a result of the CFD analysis, and is further determined to be the slowest in the layer cross section. It is more preferable to specify the center in the section to be formed and to specify the center within 2000 mm (preferably within 1500 mm) in the flow direction from the center. As a result, it is possible to more reliably prevent the retention of the cultivated water W in the vicinity of the upper layer (coarse sand layer) of the soil 11 and eliminate the uneven growth.
- the cultivation tank T preferably has, for example, a substantially rectangular shape around it (the shape when the cultivation tank T is viewed from directly above).
- the cultivation tank T in the present technique, when three or more porous tubes 18 are arranged, they are substantially parallel to each other and flow of each other's cultivation water as shown in FIG. 12B described later. It is more preferable to install the installation at an equal distance in the direction orthogonal to the direction.
- the distance between the porous tubes 18 penetrates in a direction perpendicular to the flow direction of the cultivated water W.
- the distance at which the cultivated water W can be recovered is preferable. More specifically, for example, it is 200 mm to 2000 mm, and more preferably 500 mm to 1500 mm.
- the perforated pipe 18 is provided with an adjusting mechanism for adjusting the amount of drainage at the drain port thereof.
- the adjusting mechanism may be, for example, a water diversion faucet, an opening / closing mechanism, an adjusting valve, or the like.
- the drainage amount adjusting mechanism it is possible to adjust the permeated water amount and the surface water amount of the cultivated water W, and it is possible to change the permeated water amount and the surface water level.
- the surface water level is appropriately raised by reducing the amount of permeated water so that the surface water reaches the surface at the end of the soil 11 or further reducing the amount of permeated water according to the growing condition of wasabi.
- the cultivated water W can be distributed to all the seedlings, and the fallen leaves at the time of growth can be efficiently washed away.
- the cultivation water discharged from the perforated tube 18 may be collected and introduced into the cultivation tank T in the lower stage.
- the Sawa wasabi cultivation method according to this technique is a method of performing a cultivation water supply step, a cultivation water infiltration step, a surface water discharge step, and a seepage water discharge step using the cultivation system described above. be. Since the details of each process are the same as the functions performed by each part of the wasabi cultivation system according to the present technique, the description thereof is omitted here.
- FIG. 12 is a schematic cross-sectional view in the longitudinal direction showing a seventh embodiment of the wasabi cultivation system 1 according to the present technique
- FIG. 11B is a schematic cross-sectional view taken along the line P-P of A. ..
- the cultivation tank T in which the soil 11 is laid and has a slope on the bottom surface and the cultivation water W is introduced into the cultivation tank T from the uppermost stream T1 of the cultivation tank T.
- the cultivation water supply unit 17 and one or a plurality of porous tubes 18 arranged at the bottom of the cultivation tank T up to the most downstream T2 of the cultivation tank T with respect to the flow direction of the cultivation water W are provided.
- the starting point 180 of the perforated tube 18 is the Sawa wasabi cultivation system 1 defined between the most upstream T1 and the most downstream T2 of the cultivation tank T.
- a cultivation tank with soil laid and a slope on the bottom A cultivation water supply unit that introduces cultivation water from the uppermost stream of the cultivation tank into the cultivation tank, and At the bottom of the cultivation tank, one or more porous tubes arranged to the most downstream of the cultivation tank with respect to the flow direction of the cultivation water, It is a cultivation system of wasabi that is equipped with The starting point of the perforated tube is a wasabi cultivation system defined between the most upstream and the most downstream of the cultivation tank. [2] The starting point of the perforated tube is the wasabi cultivation system according to [1], which is defined based on CFD (Computational Fluid Dynamics) analysis.
- the starting point of the perforated pipe identifies the layer determined to be the slowest at a flow velocity of 100 mm from the surface of the soil-growing portion, and further within the section determined to be the slowest in the cross section of the layer.
- a method for cultivating wasabi in which cultivation water is introduced from the cultivation water supply unit to the uppermost stream of the cultivation tank.
- a method for cultivating wasabi in which the permeation of the cultivated water is controlled by the arrangement position of the porous tube.
- a method for cultivating wasabi wherein the drainage amount is adjusted by the adjustment mechanism to control the permeation water amount and the surface water amount of the cultivation water.
- the cultivation water W is introduced from the cultivation water supply unit to the most upstream (inclined upstream) T1 of the cultivation tank T.
- the cultivated water W for example, groundwater, swamp water, or the like can be used. Further, the cultivated water W may contain fertilizers such as nitrogen, phosphorus and potassium in order to supplement the nutrient deficiency.
- the cultivation water W can be introduced, for example, via a water pump or the like.
- the amount of cultivated water W to be introduced is not particularly limited, and a person skilled in the art can appropriately set the amount of water as needed.
- the water temperature of the cultivated water W is also not particularly limited and can be appropriately set by those skilled in the art.
- the permeation of the cultivation water W is controlled by the arrangement position of the porous tube 18. As described above, when the cultivation water W moves from the portion without the porous tube 18 to the portion with the porous tube 18, the cultivation water W moves from the place where the porosity is low to the place where the porosity is high, and the porous tube 18 is moved. Cultivated water W permeates from the upper part of the porous tube 18 to fill the inside. Thereby, the permeation of the cultivation water W can be adjusted by changing the arrangement position of the perforated tube 18.
- the details of the soil cultivation 11, the cultivation tank T, the cultivation water supply unit 17, and the perforated tube 18 are the same as described above, so the description thereof is omitted here.
- Example 1 In Experimental Example 1, the growth of wasabi was observed in the case where the wasabi was cultivated using the wasabi cultivation system according to this technique and the case where the wasabi was cultivated using a general method for cultivating wasabi. A comparison was made.
- Example 1 In the cultivation tank, gravel, sand, and coarse sand are laminated in this order from the bottom to create soil, and the soil is washed with a sufficient amount of cultivation water.
- a soil covering member Iwatani Reverse Multi Black and White for vegetable garden (manufactured by Iwatani Material Co., Ltd.)) with 5 cm round holes opened in a grid pattern at intervals of 0.25 m is laid, and Sawa wasabi seedlings are placed in each round hole. Planted up to.
- Groundwater was continuously introduced from the head of the cultivation tank at a water volume of 5 L / min by a water pump.
- Example 2 In the cultivation tank (wasabi field), gravel, sand, and coarse sand are laminated in this order from the bottom to create soil, and the soil is washed with a sufficient amount of cultivation water.
- a soil covering member three-layer silver poly for heat insulation (manufactured by Iwatani Material Co., Ltd.)) with round holes with a diameter of 2.5 cm opened in a grid pattern at intervals of 0.25 m, 0.20 m, and 0.175 m was laid.
- a flow path for cultivated water was formed for each row of seedlings, soil was placed in each round hole to control the amount of seepage water, and Sawa wasabi seedlings were planted up to the root of the plant.
- Groundwater was continuously introduced from the head of the cultivation tank at a water volume of 250 L / min by a water pump.
- Examples 1 and 2 had no uneven growth and good growth as compared with Comparative Example 1. Further, as shown in Table 1 and FIG. 14, it was found that Examples 1 and 2 had a faster growth rate than Comparative Example 1 and could efficiently cultivate wasabi.
- Example 3 A soil similar to that of Example 2 was prepared in a cultivation tank having a length of 8 m and a width of 3.2 m, a groundwater covering member similar to that of Example 2 was spread on the soil, and 250 L was used by a water pump. Groundwater was continuously introduced from the head of the cultivation tank with a water volume of / min.
- Example 3 the cultivated water flowed on the surface of the ground covering member without interruption to the end. In addition, it was verified that the soil was not filled with water when the ground covering member was turned over, and that efficient infiltration was possible.
- Example 4 A soil with a slope of 1/50 is created by laminating gravel, sand, and coarse sand in this order from the bottom in a cultivation tank with a width of 4000 mm and a length of 8000 mm, and the soil is cultivated using a sufficient amount of cultivation water. The soil was washed, and Sawa wasabi seedlings were planted up to the root of the soil in the central part of the soil after washing. Groundwater was introduced into the uppermost stream of the cultivation tank at a water volume of 250 L / min by a water pump.
- the layer determined to be the slowest at the flow velocity from the surface of the soil to a depth of 100 mm was defined as a 25 mm deep layer at the bottom of the cultivation tank.
- the section judged to be the slowest in the layer cross section is set to 5000 mm from the head, and the position 1000 mm in front of the center is set as the starting point, and four perforated pipes (4 m x ⁇ 65 mm, toyodren double pipe TDW65 (entire surface)) are set.
- a perforated tube; 8 rows of holes)) was arranged.
- the distance between the perforated tubes was made uniform, and each was 1000 mm in the direction perpendicular to the flow direction of the cultivated water.
- FIG. 15 shows a drawing-substituting photograph of wasabi grown by the cultivation system shown in Example 4, and FIG. 13 shows a drawing-substituting photograph of wasabi grown by the cultivation system shown in Comparative Example 2. show. It was found that Example 4 had no uneven growth and had good growth as compared with Comparative Example 2. It was also found that in Example 4, the growth rate was faster than that of the comparative example, and the cultivation cycle was short.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Hydroponics (AREA)
- Cultivation Of Plants (AREA)
Abstract
Description
該作土上に配置され、沢わさびの苗が貫通可能な貫通孔を有する、透水度50%以下のシート状または板状の地覆部材と、
該地覆部材の上に配置され、前記地覆部材の表面全体に亘って栽培水を保持する栽培水保持部と、
を有し、
前記栽培水保持部から前記貫通孔を通して栽培水が作土へ浸透する、沢わさび栽培システムを提供する。
本技術に係る沢わさび栽培システムでは、前記栽培水保持部へ、連続的に栽培水を供給することができる。
本技術に係る沢わさび栽培システムの前記栽培水保持部は、前記地覆部材の表面上の栽培水を排出する表面水排出部を備えることができる。
本技術に係る沢わさび栽培システムには、前記作土の下部に配置され、作土へ浸透した栽培水を排出する浸透水排出部を備えることができる。
本技術に係る沢わさび栽培システムには、前記地覆部材の上面に、前記地覆部材を前記作土へ密着させる重錘部を備えることができる。
本技術に係る沢わさび栽培システムには、前記貫通孔から前記作土への栽培水の浸透量を制御する浸透水制御部を備えることができる。
本技術に係る沢わさび栽培システムの前記地覆部材には、沢わさびの定植が行われない第2の貫通孔を備えることができる。
本技術に係る沢わさび栽培システムには、前記作土が敷設され、底面に傾斜勾配を有する栽培槽と、
前記栽培槽の底部に、前記栽培水の流れ方向に対して前記栽培槽の最下流まで配設された1又は複数の多孔管と、を備えることができる。
この場合、前記多孔管の起点は、前記栽培槽の最上流と最下流との間に規定することができる。 That is, in this technology, first of all, soil cultivation and
A sheet-shaped or plate-shaped ground covering member having a permeability of 50% or less, which is placed on the soil and has a through hole through which wasabi seedlings can penetrate.
A cultivation water holding portion arranged on the ground covering member and holding the cultivation water over the entire surface of the ground covering member,
Have,
Provided is a wasabi cultivation system in which cultivated water permeates the soil from the cultivated water holding portion through the through hole.
In the wasabi cultivation system according to the present technique, the cultivation water can be continuously supplied to the cultivation water holding unit.
The cultivated water holding portion of the wasabi cultivation system according to the present technique may include a surface water discharging portion for discharging cultivated water on the surface of the ground covering member.
The wasabi cultivation system according to the present technology may be provided with a seepage water discharge unit which is arranged in the lower part of the soil and discharges the cultivation water which has permeated the soil.
The wasabi cultivation system according to the present technique may be provided with a weight portion on the upper surface of the ground covering member to bring the ground covering member into close contact with the soil.
The wasabi cultivation system according to the present technology can be provided with a permeation water control unit that controls the permeation amount of the cultivation water from the through hole to the soil.
The ground covering member of the wasabi cultivation system according to the present technique may be provided with a second through hole in which wasabi is not planted.
In the wasabi cultivation system related to this technique, the soil is laid and a cultivation tank with a slope on the bottom is used.
The bottom of the cultivation tank may be provided with one or a plurality of porous tubes arranged to the most downstream of the cultivation tank with respect to the flow direction of the cultivation water.
In this case, the starting point of the perforated tube can be defined between the most upstream and the most downstream of the cultivation tank.
該作土上に配置され、沢わさびの根茎が貫通可能な貫通孔を有する、透水度50%以下のシート状または板状の地覆部材と、
該地覆部材の上に配置され、前記地覆部材の表面全体に亘って栽培水を保持する栽培水保持部と、
を有する沢わさび栽培システムを用いて、
前記栽培水保持部へ連続的に栽培水を供給する栽培水供給工程と、
前記栽培水保持部から前記貫通孔を通して栽培水を作土へ浸透させる栽培水浸透工程と、
前記地覆部材の表面上の栽培水を排出する表面水排出工程と、
前記作土の下部から、作土へ浸透した栽培水を排出する浸透水排出工程と、
を行う、沢わさび栽培方法を提供する。
本技術に係る沢わさび栽培方法において、前記表面水排出工程で排出された栽培水は、循環させずに前記沢わさび栽培システムから排出することができる。
本技術に係る沢わさび栽培方法において、前記浸透水排出工程で排出された栽培水は、
循環させずに前記沢わさび栽培システムから排出することができる。 In this technology, next, soil cultivation and
A sheet-shaped or plate-shaped ground covering member having a permeability of 50% or less, which is placed on the soil and has a through hole through which the rhizome of wasabi can penetrate.
A cultivation water holding portion arranged on the ground covering member and holding the cultivation water over the entire surface of the ground covering member,
Using the wasabi cultivation system that has
A cultivation water supply process for continuously supplying cultivation water to the cultivation water holding portion, and
A cultivation water infiltration step of infiltrating the cultivation water from the cultivation water holding portion through the through hole into the soil.
The surface water discharge step of discharging the cultivation water on the surface of the ground covering member,
A permeation water discharge process that discharges the cultivated water that has permeated the soil from the bottom of the soil,
To provide a method of growing wasabi.
In the wasabi cultivation method according to the present technique, the cultivated water discharged in the surface water discharge step can be discharged from the wasabi cultivation system without being circulated.
In the wasabi cultivation method according to this technique, the cultivated water discharged in the seepage water discharge step is
It can be discharged from the wasabi cultivation system without being circulated.
なお、ここに記載された効果は、必ずしも限定されるものではなく、本明細書中に記載されたいずれかの効果であってもよい。 According to this technique, it is possible to prevent the adhesion of dirt on the surface of wasabi fields, and the cultivation environment is constant, and the rhizome of wasabi with good color development can be efficiently cultivated.
The effects described here are not necessarily limited, and may be any of the effects described in the present specification.
なお、以下に説明する実施形態は、本発明の代表的な実施形態の一例を示したものであり、これにより本発明の範囲が狭く解釈されることはない。 Hereinafter, suitable embodiments for carrying out the present invention will be described in detail with reference to the drawings.
It should be noted that the embodiments described below show an example of a typical embodiment of the present invention, and the scope of the present invention is not narrowly interpreted by this.
図1は、本発明に係る沢わさび栽培システム1の第1実施形態を側面側から視た断面模式図である。図2は、本技術に係る沢わさび栽培システム1の第1実施形態の上方向から視た上方視模式図である。本技術に係る本発明に係る沢わさび栽培システム1は、作土11と、地覆部材12と、栽培水保持部13と、を少なくとも有する。また、必要に応じて、浸透水排出部14、重錘部15、浸透水制御部16、栽培水供給部17、栽培槽T、多孔管18などを備えることもできる。以下、各部について、詳細に説明する。 1. 1.
FIG. 1 is a schematic cross-sectional view of the first embodiment of the
本技術に係る沢わさび栽培システムは、水耕栽培ではなく、水が浸透する構造を持つ作土を用いる。作土11の構成は、本技術の効果を損なわない限り、一般的な沢わさび栽培に用いることができる作土11を用いることができる。 (1)
The wasabi cultivation system related to this technique uses soil with a structure that allows water to permeate, not hydroponics. As the composition of the
地覆部材12は、透水度50%以下のシート状または板状であり、前記作土11上に配置する。地覆部材12には、沢わさびの苗が貫通可能な貫通孔121を備え、この貫通孔121から作土11へ、栽培水Wが浸透する。 (2)
The
本技術に係る沢わさび栽培システム1では、沢わさびの栽培の際に、前述した地覆部材12の表面全体に亘って栽培水Wが保持される。本技術では、沢わさびの栽培の際に栽培水Wが保持される部分を、栽培水保持部13と称する。 (3) Cultivated
In the
本技術に係る沢わさび栽培システム1には、作土11へ浸透した栽培水W(以下「浸透水」ともいう)を非出する浸透水排出部14を備えることができる。浸透水排出部14を備えることで、作土11へ浸透した栽培水Wに適度な水流が発生し、作土11内での栽培水Wの淀みを防止することができる。その結果、沢わさびの根に栽培水中の養分や溶存酸素を連続的に供給すると共に、沢わさびの根元から放出される成長阻害成分を洗い流し、沢わさびの生育を促すことができる。 (4) Osmotic
The swamp
図7は、本技術に係る沢わさび栽培システム1の第3実施形態を側面側から視た断面模式図である。本技術に係る沢わさび栽培システム1には、地覆部材12の上面に、地覆部材12を作土11へ密着させるための重錘部15を備えることができる。重錘部15を備えることで、地覆部材12と作土11との密着性が向上し、栽培水Wの作土11への無駄な浸透を防止することができる。 (5)
FIG. 7 is a schematic cross-sectional view of the third embodiment of the
図8は、本技術に係る沢わさび栽培システム1の第4実施形態を側面側から視た断面模式図である。本技術に係る沢わさび栽培システム1には、前記貫通孔121から前記作土11への栽培水Wの浸透量を制御する浸透水制御部16を備えることができる。浸透水制御部16を備えることで、作土11への栽培水Wの浸透量を調節し、地覆部材12上の栽培水保持部13での栽培水Wの滞留や作土11内部での栽培水Wの滞留等を、防止することができる。 (6) Osmotic
FIG. 8 is a schematic cross-sectional view of the fourth embodiment of the
本技術に係る沢わさび栽培システム1には、栽培水供給部17を備えることができる。栽培水供給部17では、前述した栽培水保持部13への栽培水Wの供給が連続的に行われる。例えば、井戸や貯水槽などの水源から、送水ポンプ等により取水して、栽培水Wを栽培水保持部13へ連続的に供給することができる。 (7) Cultivated
The
図10は、本発明に係る沢わさび栽培システム1の第6実施形態を側面側から視た断面模式図である。第6実施形態に係る沢わさび栽培システム1は、底面に傾斜勾配を有する栽培槽Tと、1又は複数の多孔管18と、を備えることを特徴とする。 (8)
FIG. 10 is a schematic cross-sectional view of the sixth embodiment of the
1又は複数の多孔管18は、栽培水Wの流れ方向に対して栽培槽Tの最下流T2まで配設されている。本技術では、特に、多孔管18は、後述する図12に示すように、複数配設されていることが好ましい。 (9)
One or a plurality of
ΔP:圧損(Pa)
μ:粘度(Pa・s)
V:フィルター入口(フィルターに入る手前の)速度(m/s)
Δt:フィルターの厚み(m)
α:浸透率(m2)
1/α:粘性抵抗係数(1/m2)
ΔP: Pressure loss (Pa)
μ: Viscosity (Pa · s)
V: Filter inlet (before entering the filter) Velocity (m / s)
Δt: Filter thickness (m)
α: Penetration rate (m 2 )
1 / α: Viscous drag coefficient (1 / m 2 )
本技術に係る沢わさび栽培方法は、前述した栽培システムを用いて、栽培水供給工程と、栽培水浸透工程と、表面水排出工程と、浸透水排出工程と、を行う方法である。なお、各工程の詳細は、前述した本技術に係る沢わさび栽培システムの各部が行う機能と同一であるため、ここでは説明を割愛する。 2. 2. Sawa wasabi cultivation method The Sawa wasabi cultivation method according to this technique is a method of performing a cultivation water supply step, a cultivation water infiltration step, a surface water discharge step, and a seepage water discharge step using the cultivation system described above. be. Since the details of each process are the same as the functions performed by each part of the wasabi cultivation system according to the present technique, the description thereof is omitted here.
図12は、本技術に係る沢わさび栽培システム1の第7実施形態を示す長手方向の模式断面図であり、図11のBは、AのP-P線模式断面図である。第7実施形態に係る沢わさび栽培システム1は、作土11が敷設され、底面に傾斜勾配を有する栽培槽Tと、前記栽培槽Tの最上流T1から該栽培槽Tに栽培水Wを導入する栽培水供給部17と、前記栽培槽Tの底部に、前記栽培水Wの流れ方向に対して前記栽培槽Tの最下流T2まで配設された1又は複数の多孔管18と、を備える沢わさびの栽培システムであって、前記多孔管18の起点180は、前記栽培槽Tの最上流T1と最下流T2との間に規定される、沢わさびの栽培システム1である。 3. 3. Other Embodiments FIG. 12 is a schematic cross-sectional view in the longitudinal direction showing a seventh embodiment of the
[1]
作土が敷設され、底面に傾斜勾配を有する栽培槽と、
前記栽培槽の最上流から該栽培槽に栽培水を導入する栽培水供給部と、
前記栽培槽の底部に、前記栽培水の流れ方向に対して前記栽培槽の最下流まで配設された1又は複数の多孔管と、
を備える沢わさびの栽培システムであって、
前記多孔管の起点は、前記栽培槽の最上流と最下流との間に規定される、沢わさびの栽培システム。
[2]
前記多孔管の起点は、CFD(Computational Fluid Dynamics)解析に基づき規定される、[1]に記載の沢わさびの栽培システム。
[3]
前記多孔管の起点は、前記CFD解析の結果、作土部表面から100mmの深さまでの流速で最も遅いと判定される層を特定し、更にその層断面で最も遅いと判定される区画内に中心を特定し、該中心から流れ方向の前後2000mm以内に規定される、[2]に記載の沢わさびの栽培システム。
[4]
前記複数の多孔管は、互いに略平行に配設されている、[1]から[3]のいずれかに記載の沢わさびの栽培システム。
[5]
多孔管同士の間隔は、前記栽培水の流れ方向に対して直行する方向において、200mm~2000mmの範囲である、[4]に記載の沢わさびの栽培システム。
[6]
前記多孔管の排水口に、排水量を調節する調節機構が設けられている、[1]から[5]のいずれかに記載の沢わさびの栽培システム。
[7]
[1]に記載の沢わさびの栽培システムにおいて、前記栽培水供給部から前記栽培槽の最上流に栽培水を導入する、沢わさびの栽培方法。
[8]
[1]に記載の沢わさびの栽培システムにおいて、前記多孔管の配設位置により、前記栽培水の浸透を制御する、沢わさびの栽培方法。
[9]
[6]に記載の沢わさびの栽培システムにおいて、前記調節機構により前記排水量を調節して、前記栽培水の浸透水量及び表面水量を制御する、沢わさびの栽培方法。 That is, in this technique, the following configuration can also be adopted.
[1]
A cultivation tank with soil laid and a slope on the bottom,
A cultivation water supply unit that introduces cultivation water from the uppermost stream of the cultivation tank into the cultivation tank, and
At the bottom of the cultivation tank, one or more porous tubes arranged to the most downstream of the cultivation tank with respect to the flow direction of the cultivation water,
It is a cultivation system of wasabi that is equipped with
The starting point of the perforated tube is a wasabi cultivation system defined between the most upstream and the most downstream of the cultivation tank.
[2]
The starting point of the perforated tube is the wasabi cultivation system according to [1], which is defined based on CFD (Computational Fluid Dynamics) analysis.
[3]
As a result of the CFD analysis, the starting point of the perforated pipe identifies the layer determined to be the slowest at a flow velocity of 100 mm from the surface of the soil-growing portion, and further within the section determined to be the slowest in the cross section of the layer. The swamp wasabi cultivation system according to [2], wherein a center is specified and defined within 2000 mm in front of and behind the flow direction from the center.
[4]
The wasabi cultivation system according to any one of [1] to [3], wherein the plurality of perforated tubes are arranged substantially parallel to each other.
[5]
The wasabi cultivation system according to [4], wherein the distance between the porous tubes is in the range of 200 mm to 2000 mm in a direction perpendicular to the flow direction of the cultivated water.
[6]
The wasabi cultivation system according to any one of [1] to [5], wherein the drain port of the perforated pipe is provided with an adjusting mechanism for adjusting the amount of drainage.
[7]
In the wasabi cultivation system according to [1], a method for cultivating wasabi, in which cultivation water is introduced from the cultivation water supply unit to the uppermost stream of the cultivation tank.
[8]
In the wasabi cultivation system according to [1], a method for cultivating wasabi in which the permeation of the cultivated water is controlled by the arrangement position of the porous tube.
[9]
In the wasabi cultivation system according to [6], a method for cultivating wasabi, wherein the drainage amount is adjusted by the adjustment mechanism to control the permeation water amount and the surface water amount of the cultivation water.
なお、以下に説明する実施例は、本発明の代表的な実施例の一例を示したものであり、これにより本発明の範囲が狭く解釈されることはない。 Hereinafter, the present invention will be described in more detail based on Examples.
It should be noted that the examples described below show an example of a typical example of the present invention, and the scope of the present invention is not narrowly interpreted by this.
実験例1では、本技術に係る沢わさび栽培システムを用いて沢わさびを栽培した場合と、一般的な沢わさびの栽培方法を用いて沢わさびを栽培した場合とで、沢わさびの生育状況の比較を行った。 [Experimental Example 1]
In Experimental Example 1, the growth of wasabi was observed in the case where the wasabi was cultivated using the wasabi cultivation system according to this technique and the case where the wasabi was cultivated using a general method for cultivating wasabi. A comparison was made.
<実施例1>
栽培槽内に、下から礫、砂、粗砂の順で積層して作土を作成し、十分量の栽培水を用いて作土洗浄を行い、洗浄後の作土上に、直径2.5cmの丸孔を縦横0.25mの間隔で格子状に開けた地覆部材(菜園用イワタニリバースマルチ白黒(岩谷マテリアル株式会社製))を敷き、各丸孔に、沢わさびの苗を株元まで植えた。送水ポンプにより、5L/minの水量で、栽培槽の水頭部から地下水を連続的に導入した。 (1) Cultivation of wasabi <Example 1>
In the cultivation tank, gravel, sand, and coarse sand are laminated in this order from the bottom to create soil, and the soil is washed with a sufficient amount of cultivation water. A soil covering member (Iwatani Reverse Multi Black and White for vegetable garden (manufactured by Iwatani Material Co., Ltd.)) with 5 cm round holes opened in a grid pattern at intervals of 0.25 m is laid, and Sawa wasabi seedlings are placed in each round hole. Planted up to. Groundwater was continuously introduced from the head of the cultivation tank at a water volume of 5 L / min by a water pump.
栽培槽(わさび田)に、下から礫、砂、粗砂の順で積層して作土を作成し、十分量の栽培水を用いて作土洗浄を行い、洗浄後の作土上に、直径2.5cmの丸孔を縦横0.25m、0.20m、0.175mの間隔でそれぞれ格子状に開けた地覆部材(三層シルバーポリ保温用(岩谷マテリアル株式会社製))を敷き、苗植え列ごとに栽培水が流れる流路を形成し、各丸孔に浸透水量を制御する作土を載せ、沢わさびの苗を株元まで植えた。送水ポンプにより、250L/minの水量で、栽培槽の水頭部から地下水を連続的に導入した。 <Example 2>
In the cultivation tank (wasabi field), gravel, sand, and coarse sand are laminated in this order from the bottom to create soil, and the soil is washed with a sufficient amount of cultivation water. A soil covering member (three-layer silver poly for heat insulation (manufactured by Iwatani Material Co., Ltd.)) with round holes with a diameter of 2.5 cm opened in a grid pattern at intervals of 0.25 m, 0.20 m, and 0.175 m was laid. A flow path for cultivated water was formed for each row of seedlings, soil was placed in each round hole to control the amount of seepage water, and Sawa wasabi seedlings were planted up to the root of the plant. Groundwater was continuously introduced from the head of the cultivation tank at a water volume of 250 L / min by a water pump.
栽培槽の作土上に、地覆部材を配設しなかった以外は、上述した実施例1と同様に行った。 <Comparative Example 1>
The same procedure as in Example 1 described above was carried out except that the ground covering member was not arranged on the soil of the cultivation tank.
栽培した沢わさびの栽培ムラおよび生育速度について、以下の評価基準に基づいて評価を行った。 (2) Evaluation The cultivation unevenness and growth rate of cultivated wasabi were evaluated based on the following evaluation criteria.
3:栽培ムラが全くない
2:若干の栽培ムラがあるが許容範囲
1:栽培ムラがある <Cultivation unevenness>
3: No uneven cultivation 2: Some uneven cultivation but acceptable range 1: Uneven cultivation
根茎の生育が始まるまでの日数で評価を行った。
3:植苗から200日以内
2:植苗から201~365日
1:植苗から365日超 <Growth rate>
The evaluation was made based on the number of days until the rhizome started to grow.
3: Within 200 days after planting 2: 201-365 days after planting 1: Over 365 days after planting
栽培を開始してから半年後の葉の大きさで評価を行った。
3:長さ15cm以上
2:長さ5~15cm
1:長さ1~5cm <Growth rate 2>
The evaluation was made based on the size of the leaves six months after the start of cultivation.
3:
1: Length 1-5 cm
結果を表1に示す。また、比較例1及び、実施例1に示した栽培システムにより生育した沢わさびの生育差の様子を、図14の図面代用写真に示す。
実験例2では、実際の大きさのわさび田に、地覆部材を展開した場合の栽培水の流れを検証した。 [Experimental Example 2]
In Experimental Example 2, the flow of cultivated water when the ground covering member was deployed in the wasabi field of the actual size was verified.
長さ8m、幅3.2mの栽培槽に、前記実施例2と同様の作土を作成し、作土の上に前記実施例2と同様の地覆部材を展開し、送水ポンプにより、250L/minの水量で、栽培槽の水頭部から地下水を連続的に導入した。 <Example 3>
A soil similar to that of Example 2 was prepared in a cultivation tank having a length of 8 m and a width of 3.2 m, a groundwater covering member similar to that of Example 2 was spread on the soil, and 250 L was used by a water pump. Groundwater was continuously introduced from the head of the cultivation tank with a water volume of / min.
実験例3では、第7実施形態に係る沢わさび栽培システム1おいて、多孔管18の有無による沢わさびの生育への影響を調べた。 [Experimental Example 3]
In Experimental Example 3, in the
<実施例4>
1/50の傾斜勾配を有し、4000mm幅×8000mm長の栽培槽内に、下から礫、砂、粗砂の順で積層して作土を作成し、十分量の栽培水を用いて作土洗浄を行い、洗浄後の作土中央部に沢わさびの苗を株元まで植えた。送水ポンプにより、250L/minの水量で、栽培槽の最上流へ地下水を導入した。また、予めCFD解析を行い、栽培槽の底部には、前記CFD解析の結果、作土部表面から100mmの深さまでの流速で最も遅いと判定される層を25mm深さの層とし、更にその層断面で最も遅いと判定される区画を水頭より5000mmとし、該中心から流れ方向の前の1000mmの位置を起点として設定し、4本の多孔管(4m×φ65mm、トヨドレンダブル管 TDW65(全面有孔管;8列孔))を配設した。多孔管同士の距離は均等とし、栽培水の流れ方向に対して直行する方向において、各1000mmとした。また、多孔管の排水口に取り付けられた分水栓により、表面水が流れる程度(表面水:浸透水=3:7)まで、浸透水量と表面水量を調整した。 (1) Cultivation of wasabi <Example 4>
A soil with a slope of 1/50 is created by laminating gravel, sand, and coarse sand in this order from the bottom in a cultivation tank with a width of 4000 mm and a length of 8000 mm, and the soil is cultivated using a sufficient amount of cultivation water. The soil was washed, and Sawa wasabi seedlings were planted up to the root of the soil in the central part of the soil after washing. Groundwater was introduced into the uppermost stream of the cultivation tank at a water volume of 250 L / min by a water pump. In addition, CFD analysis was performed in advance, and as a result of the CFD analysis, the layer determined to be the slowest at the flow velocity from the surface of the soil to a depth of 100 mm was defined as a 25 mm deep layer at the bottom of the cultivation tank. The section judged to be the slowest in the layer cross section is set to 5000 mm from the head, and the position 1000 mm in front of the center is set as the starting point, and four perforated pipes (4 m x φ65 mm, toyodren double pipe TDW65 (entire surface)) are set. A perforated tube; 8 rows of holes)) was arranged. The distance between the perforated tubes was made uniform, and each was 1000 mm in the direction perpendicular to the flow direction of the cultivated water. In addition, the amount of permeated water and the amount of surface water were adjusted to the extent that surface water flowed (surface water: permeated water = 3: 7) by a diversion faucet attached to the drain port of the perforated pipe.
栽培槽の底部に複数の多孔管を配設しなかった以外は、上述した実施例と同様に行った。 <Comparative Example 2>
The procedure was the same as in the above-mentioned example, except that a plurality of porous tubes were not arranged at the bottom of the cultivation tank.
図15は、実施例4に示した栽培システムにより生育した沢わさびの図面代用写真を示し、図13は、比較例2に示した栽培システムにより生育した沢わさびの図面代用写真を示す。実施例4は、比較例2と比べて、生育ムラが無く、生育も良好であることが分かった。また、実施例4は、生育速度も比較例に比べて早く、栽培周期が短いということも判明した。 (2) Results FIG. 15 shows a drawing-substituting photograph of wasabi grown by the cultivation system shown in Example 4, and FIG. 13 shows a drawing-substituting photograph of wasabi grown by the cultivation system shown in Comparative Example 2. show. It was found that Example 4 had no uneven growth and had good growth as compared with Comparative Example 2. It was also found that in Example 4, the growth rate was faster than that of the comparative example, and the cultivation cycle was short.
11:作土
12:地覆部材
121:貫通孔
122:第2の貫通孔
13:栽培水保持部
131:表面水排出部
14:浸透水排出部
15:重錘部
16:浸透水制御部
17:栽培水供給部
18:多孔管
180:起点
T:栽培槽
T1:最上流
T2:最下流 1: Sawa wasabi cultivation system 11: Soil 12: Ground covering member 121: Through hole 122: Second through hole 13: Cultivation water holding part 131: Surface water discharge part 14: Penetration water discharge part 15: Weight part 16 : Penetration water control unit 17: Cultivation water supply unit 18: Porous tube 180: Starting point T: Cultivation tank T1: Upstream T2: Most downstream
Claims (12)
- 作土と、
該作土上に配置され、沢わさびの苗が貫通可能な貫通孔を有する、透水度50%以下のシート状または板状の地覆部材と、
該地覆部材の上に配置され、前記地覆部材の表面全体に亘って栽培水を保持する栽培水保持部と、
を有し、
前記栽培水保持部から前記貫通孔を通して栽培水が作土へ浸透する、沢わさび栽培システム。 Soil and
A sheet-shaped or plate-shaped ground covering member having a permeability of 50% or less, which is placed on the soil and has a through hole through which wasabi seedlings can penetrate.
A cultivation water holding portion arranged on the ground covering member and holding the cultivation water over the entire surface of the ground covering member,
Have,
A wasabi cultivation system in which cultivated water permeates the soil from the cultivated water holding portion through the through hole. - 前記栽培水保持部へ、連続的に栽培水が供給される、請求項1に記載の沢わさび栽培システム。 The wasabi cultivation system according to claim 1, wherein the cultivation water is continuously supplied to the cultivation water holding unit.
- 前記栽培水保持部は、前記地覆部材の表面上の栽培水を排出する表面水排出部を有する、請求項1または2に記載の沢わさび栽培システム。 The wasabi cultivation system according to claim 1 or 2, wherein the cultivated water holding unit has a surface water discharging unit that discharges cultivated water on the surface of the ground covering member.
- 前記作土の下部に配置され、作土へ浸透した栽培水を排出する浸透水排出部を有する、請求項1から3のいずれか一項に記載の沢わさび栽培システム。 The wasabi cultivation system according to any one of claims 1 to 3, which is arranged at the bottom of the soil and has a permeated water discharge unit that discharges the cultivated water that has permeated the soil.
- 前記地覆部材の上面に、前記地覆部材を前記作土へ密着させる重錘部を有する、請求項1から4のいずれか一項に記載の沢わさび栽培システム。 The wasabi cultivation system according to any one of claims 1 to 4, further comprising a weight portion on the upper surface of the ground covering member to bring the ground covering member into close contact with the soil.
- 前記貫通孔から前記作土への栽培水の浸透量を制御する浸透水制御部を有する、請求項1から5のいずれか一項に記載の沢わさび栽培システム。 The wasabi cultivation system according to any one of claims 1 to 5, which has a permeation water control unit for controlling the permeation amount of cultivation water from the through hole to the soil.
- 前記地覆部材には、沢わさびの定植が行われない第2の貫通孔を有する、請求項1から6のいずれか一項に記載の沢わさび栽培システム。 The wasabi cultivation system according to any one of claims 1 to 6, wherein the ground covering member has a second through hole in which the wasabi is not planted.
- 前記作土が敷設され、底面に傾斜勾配を有する栽培槽と、
前記栽培槽の底部に、前記栽培水の流れ方向に対して前記栽培槽の最下流まで配設された1又は複数の多孔管と、
を備える、請求項1から7のいずれか一項に記載の沢わさびの栽培システム。 A cultivation tank in which the soil is laid and has a slope on the bottom,
At the bottom of the cultivation tank, one or more porous tubes arranged to the most downstream of the cultivation tank with respect to the flow direction of the cultivation water,
The wasabi cultivation system according to any one of claims 1 to 7. - 前記多孔管の起点は、前記栽培槽の最上流と最下流との間に規定される、請求項8に記載の沢わさびの栽培システム。 The swamp wasabi cultivation system according to claim 8, wherein the starting point of the perforated tube is defined between the most upstream and the most downstream of the cultivation tank.
- 作土と、
該作土上に配置され、沢わさびの根茎が貫通可能な貫通孔を有する、透水度50%以下のシート状または板状の地覆部材と、
該地覆部材の上に配置され、前記地覆部材の表面全体に亘って栽培水を保持する栽培水保持部と、
を有する沢わさび栽培システムを用いて、
前記栽培水保持部へ連続的に栽培水を供給する栽培水供給工程と、
前記栽培水保持部から前記貫通孔を通して栽培水を作土へ浸透させる栽培水浸透工程と、
前記地覆部材の表面上の栽培水を排出する表面水排出工程と、
前記作土の下部から、作土へ浸透した栽培水を排出する浸透水排出工程と、
を行う、沢わさび栽培方法。 Soil and
A sheet-shaped or plate-shaped ground covering member having a permeability of 50% or less, which is placed on the soil and has a through hole through which the rhizome of wasabi can penetrate.
A cultivation water holding portion arranged on the ground covering member and holding the cultivation water over the entire surface of the ground covering member,
Using the wasabi cultivation system that has
A cultivation water supply process for continuously supplying cultivation water to the cultivation water holding portion, and
A cultivation water infiltration step of infiltrating the cultivation water from the cultivation water holding portion through the through hole into the soil.
The surface water discharge step of discharging the cultivation water on the surface of the ground covering member,
A permeation water discharge process that discharges the cultivated water that has permeated the soil from the bottom of the soil,
Wasabi cultivation method. - 前記表面水排出工程で排出された栽培水は、循環させずに前記沢わさび栽培システムから排出される、請求項10に記載の沢わさび栽培方法。 The wasabi cultivation method according to claim 10, wherein the cultivated water discharged in the surface water discharge step is discharged from the wasabi cultivation system without being circulated.
- 前記浸透水排出工程で排出された栽培水は、循環させずに前記沢わさび栽培システムから排出される、請求項10または11に記載の沢わさび栽培方法。 The wasabi cultivation method according to claim 10 or 11, wherein the cultivated water discharged in the seepage water discharge step is discharged from the wasabi cultivation system without being circulated.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022565431A JPWO2022114098A1 (en) | 2020-11-26 | 2021-11-26 | |
CN202180077026.4A CN116528661A (en) | 2020-11-26 | 2021-11-26 | Horseradish cultivation system and cultivation method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020-195898 | 2020-11-26 | ||
JP2020195898 | 2020-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022114098A1 true WO2022114098A1 (en) | 2022-06-02 |
Family
ID=81754395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/043319 WO2022114098A1 (en) | 2020-11-26 | 2021-11-26 | Cultivation system and cultivation method for water-grown wasabi |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPWO2022114098A1 (en) |
CN (1) | CN116528661A (en) |
WO (1) | WO2022114098A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5018224A (en) * | 1973-06-21 | 1975-02-26 | ||
JPH04108323A (en) * | 1990-08-28 | 1992-04-09 | Mihoko Yamamoto | Apparatus for water culture of japanese horseradish cultivable at home |
JPH0923774A (en) * | 1995-07-12 | 1997-01-28 | Toshiba Eng & Constr Co Ltd | Nutritious liquid cultivation of plant and fix planting unit used for the same |
JP2009100656A (en) * | 2007-10-22 | 2009-05-14 | Tokai Steel Kogyo Kk | Device and method for cultivating japanese horseradish |
-
2021
- 2021-11-26 JP JP2022565431A patent/JPWO2022114098A1/ja active Pending
- 2021-11-26 WO PCT/JP2021/043319 patent/WO2022114098A1/en active Application Filing
- 2021-11-26 CN CN202180077026.4A patent/CN116528661A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5018224A (en) * | 1973-06-21 | 1975-02-26 | ||
JPH04108323A (en) * | 1990-08-28 | 1992-04-09 | Mihoko Yamamoto | Apparatus for water culture of japanese horseradish cultivable at home |
JPH0923774A (en) * | 1995-07-12 | 1997-01-28 | Toshiba Eng & Constr Co Ltd | Nutritious liquid cultivation of plant and fix planting unit used for the same |
JP2009100656A (en) * | 2007-10-22 | 2009-05-14 | Tokai Steel Kogyo Kk | Device and method for cultivating japanese horseradish |
Also Published As
Publication number | Publication date |
---|---|
CN116528661A (en) | 2023-08-01 |
JPWO2022114098A1 (en) | 2022-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6161776A (en) | Multi-layered, porous mat turf irrigation apparatus and method | |
US10548268B1 (en) | Soil moisture autocontrol system and its applications in subsurface irrigation, outer space agricultural farm, and converting of deserts into arable farms | |
EP0774894B1 (en) | Capillary root zone irrigation system | |
US7798746B2 (en) | Modular, self contained, engineered irrigation landscape and flower bed panel | |
AU2008273732A1 (en) | Water irrigation system including drip irrigation emitters | |
JP2009528827A (en) | Vertical planting system | |
US20220142065A1 (en) | Liquid Containment and Focus for Subterranean Capillary Irrigation | |
US20100005716A1 (en) | Portable Apparatus for Promoting and Containing Plant Growth | |
US5993111A (en) | Method and system for flood irrigation | |
KR20110114438A (en) | UNDERGROUND WATERING&middot;DRAINING SYSTEM | |
Evans et al. | Microirrigation systems | |
JP5970675B2 (en) | Underground irrigation system | |
WO2022114098A1 (en) | Cultivation system and cultivation method for water-grown wasabi | |
CN109328680A (en) | Soil ecological ditch construction method | |
CN106717802B (en) | Planting device and cultivation method for Chinese yam | |
JP4590561B2 (en) | Hydroponic cultivation system using inclined bed | |
JP4968832B2 (en) | Wasabi house forcing cultivation system | |
JP4800028B2 (en) | Vetiver seedling / propagation method | |
US20080219769A1 (en) | Root-irrigation pipe and root-irrigation system | |
JP5530670B2 (en) | Water supply / drainage improvement structure and water supply / drainage method | |
KR20150027537A (en) | An irrigation gate for a rice field | |
Trout et al. | Soil management (chapter 23) | |
JP2010029072A (en) | Subirrigation system | |
JP2022084130A (en) | Wasabi japonica matsumura cultivation system and cultivation method | |
Edminster et al. | Drainage problems and methods |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21898070 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022565431 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202180077026.4 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21898070 Country of ref document: EP Kind code of ref document: A1 |