JP2000157077A - Cultivation bed and cultivation using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cultivation bed capable of changing the height or cultivation area of a cultivating part for cultivating plants. SOLUTION: This cultivation bed 1 is provided with a cultivating part 5 and plural leg parts 6 for freely liftably and lowerably supporting the cultivating part 5. A culture solution feed pipe 8 for spraying a culture solution to plants vegetated in the cultivating part 5 is connected through a flexible pipe 11 to a culture solution feed system and a waste liquor receiving part 14 for receiving the excessive liquor from the cultivating part 5 is connected through flexible pipes 17 to a waste liquor recovering system. The cultivating part 5 is capable of changing the interval between opposite lateral parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cultivation bed used for cultivating plants such as vegetables and flowers, and more particularly to a cultivation bed capable of changing the height of a cultivation part.

[0002]

2. Description of the Related Art A method of arranging cultivation beds in a greenhouse or the like to efficiently cultivate plants such as vegetables and flowers has become widespread. A cultivation bed generally used includes a cultivation unit having a bottom portion and four rising walls, and supplies a culture solution from a culture solution supply pipe buried in a base to a culture solution distribution tube in the cultivation unit, thereby cultivating the culture. The drainage discharged from the section is discharged to a drainage collection pipe buried in the base.

[0003]

However, the conventional cultivation bed does not always have a height suitable for cultivation since the cultivation part is fixed to the floor. In other words, the height of the cultivation bed grows differently depending on the type of cultivated plant. Is good. When flowers are cultivated and used as a sightseeing greenhouse, there is a height that is easy for a visitor to see together with cultivation, but conventional cultivation beds cannot be applied in such a case. The first object of the present invention is to solve such a problem.

[0004] Furthermore, the conventional cultivation bed may be inconvenient because the cultivation area is fixed. That is, it may be necessary to adjust the cultivation amount according to market demand, but if the cultivation area is fixed, the culture solution will be sprayed even on uncultivated parts, which is uneconomical. In addition, when flowers are cultivated and used as a sightseeing greenhouse as described above, there is a problem that when the type of flowers and the amount of vegetation are small, the exposed portion of the culture medium is present, making it difficult to see.
A second object of the present invention is to solve such a problem. A third object of the present invention is to provide a method for efficiently cultivating a plant using the above cultivation bed.

[0005]

According to a first aspect of the present invention, there is provided a cultivation bed, which comprises a cultivation unit, a plurality of legs for supporting the cultivation unit in a vertically movable manner, and Wheel devices provided at the lower portions of the legs, a culture solution supply pipe for supplying a culture solution to the plants vegetated in the cultivation section, and a flexibility for supplying the culture solution from the culture solution supply system to the culture solution supply pipe. It is characterized by comprising a pipe, a drainage receiving section supported at a lower part of the cultivation section, and a flexible pipe for discharging the drainage from the drainage receiving section to a drainage recovery system. In this cultivation bed, the height of the cultivation unit can be freely changed depending on the type of plant to be cultivated, since the cultivation unit is supported by a plurality of legs so as to be movable up and down.

A cultivation bed according to a second aspect of the present invention solves the second problem, and the cultivation bed has a square U-shaped rising wall portion along the edge of each rectangular bottom portion 24. It is separated into a first cultivation part 5a having 25, 26, and 27 and a second cultivation part 5b, and from the middle part to the tip of the second cultivation part 5b, it overlaps with the first cultivation part 5a, and the overlap margin is It is slidably formed in the longitudinal direction so as to be variable. In this cultivation bed, the interval between the rising walls facing the cultivation unit can be changed, so that the cultivation area can be changed according to the cultivation amount of the plant.

A cultivation bed according to a third aspect is an embodiment of the cultivation bed according to the second aspect, wherein the bottom 24 of the first cultivation unit 5a and the second cultivation unit 5b is in the width direction. The closed side of the U-shaped rising wall portion is formed as a multi-part wall portion that can be bent into a plurality of portions, and necessary portions are formed in accordance with the expansion and contraction in the width direction. Only the multi-partition wall is used. In this way, the cultivation area can be changed with a simple configuration. The cultivation bed according to claim 4 is an embodiment of the cultivation bed according to claim 2 or 3, wherein each leg supports the cultivation unit so as to be able to move up and down. It is. In this way, the cultivation area can be changed and the height of the cultivation unit can be changed.

A cultivation method according to a fifth aspect of the present invention solves the third problem. The cultivation bed according to any one of the first to fourth aspects uses a cultivation bed, and the cultivation section includes a plant. Cultivating the cultivation medium, supplying the culture solution from the culture solution supply system to the cultivation unit from the culture solution supply pipe, and discharging the wastewater from the cultivation unit to the wastewater collection system via the wastewater receiving unit. It is. By doing this, you can change the height of the cultivation section according to the purpose,
By changing the cultivation area, vegetation can be efficiently or visually appealing.

[0009]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a partial front view showing an example of a cultivation bed of the present invention, FIG. 2 is a perspective view of a cultivation unit of FIG. 1, FIG.
FIG. 3 is a sectional view taken along line AA of FIG. 2. First, in FIG. 1, a cultivation bed 1 includes a cultivation unit 5 having a bottom and a rising wall, a plurality of legs 6 that support the cultivation unit 5 so as to be able to move up and down, and each leg 6.
Are provided at the lower part of the vehicle. Then, the cultivation unit 5 is separated into a first cultivation unit 5a and a second cultivation unit 5b in its longitudinal direction, and from the middle to the tip of the second cultivation unit 5b, it overlaps the first cultivation unit 5a, It is formed so as to be slidable in the longitudinal direction so that the overlapping margin is variable.

[0010] A granular medium is put in the cultivation part,
Culture solution supply pipe 8 having a large number of ejection holes along the longitudinal direction
Is located above or in the medium. The culture solution supply main tube 9 constituting the culture solution supply system is connected to a culture solution supply source (not shown), and a plurality of branch tubes 10 are further branched from the culture solution supply main tube 9. The branch tube 10 and the culture solution supply tube 8 Are connected via a flexible pipe 11. Half of the culture solution supply main pipe 9, the branch pipe 10, and the flexible pipe 11 are buried in the base part 12, and the middle part of the flexible pipe 11 is a screw-type connector 1.
3 is connected. The end of the flexible pipe 11 to be buried is connected to the branch pipe 10 via the T-shaped joint 3.

Upper portions are opened at lower portions of the cultivation portions 5a and 5b to receive drainage discharged as surplus liquid from drainage holes (not shown) provided at the bottoms of the respective cultivation portions 5a and 5b. A container-shaped drainage receiving portion 14 is supported by the plurality of support members 2. The bottoms of the cultivation units 5a and 5b have steps, and the excess liquid flowing out from the gap between the overlapping portions is also captured by the waste liquid receiving unit 14. On the other hand, the drainage main pipe 15 constituting the drainage recovery system is connected to a culture liquid supply source (not shown), and a plurality of branch pipes 16 are further branched from the drainage main pipe 15. Are connected via a flexible pipe 17. Half of the drainage main pipe 15, the branch pipe 16, and the flexible pipe 17 are buried in the base portion 12, and the flexible pipe 1
The middle part of 7 is connected by a screw-type connection tool 18. The end of the flexible pipe 17 to be embedded is connected to the branch pipe 16 via the T-shaped joint 4.

Each leg 6 is connected to three large-diameter, medium-diameter and small-diameter cylinders in a slidable manner in order from the top, and further has a lower cylindrical part 19 provided on the wheel device 7 for sliding. Connected and configured as possible. A plurality of stopper holes are formed in each cylinder in the axial direction in a row, and the stoppers 20 are inserted into the retaining holes while aligning the cylinders with each other, whereby the leg portions 6 are formed.
Length can be set. Therefore, in order to extend and contract the leg 6, the stopper pin 20 is removed, the cylinders are positioned relative to each other, and the stopper pin 20 is inserted again. The wheel device 7 includes the holding unit 1
9 and a wheel 21 provided therebelow, and a stopper 22 for preventing rotation of the wheel 21, and the wheel 21 is a detachable rigid litter 23 laid on the base 12.
It is designed to run on.

2 and 3, the cultivation unit 5 has a common bottom 24 and a three-side rising wall 2 disposed above the common bottom 24.
5, 26 and 27, and has two cultivation units 5a and 5b separated from each other. Launch wall 25
Has side plates 25a, 26b perpendicular to both sides in the width direction, and bottom plates 25b, 26b extending horizontally from below. Then, the respective rising walls 25, 26 of the cultivation units 5a, 5b facing each other are slidable in the longitudinal direction in a state of being overlapped with each other. Therefore, the two cultivation units 5a,
5b is relatively inserted in a direction parallel to the rising wall 25 or the rising wall 26 so that the entire length in the direction can be changed.

The width of each cultivation unit 5a, 5b can be changed. That is, the rising wall 2
5 and a plurality of telescoping members 29 that are slidably inserted into a rod extending horizontally from the bottom plate 26b of the rising wall 26 to a rod extending horizontally from the tip of the bottom wall 25b. The raised wall portions 26 are connected to each other, and the distance between the rising wall portion 25 and the rising wall portion 26 can be changed by expanding and contracting the elastic member 29. At this time, if the rising wall portions 27 located at both ends in the longitudinal direction are fixedly connected, the distance cannot be changed, so that the rising wall portion 27 is one of the rising wall portions 2.
Only 8 are connected.

The rising wall portion 27 has a length adapted to the maximum distance between the side rising walls 25 and 26, and is configured to bend into a plurality at an intermediate portion. That is, the rising wall portion 27 is provided with both the rising wall portions 2.
A base portion 27a conforming to the minimum set interval of 5, 26 and a plurality of extension portions 27b having a length of the interval change unit are connected to each other;
As shown in the figure, the connecting portions 27c are hinged so that each extension 27b is bent inside the cultivation unit 5. As described above, the cultivation unit 5 can change any dimension in the longitudinal direction and the width direction, but the change in the length direction can be smoothly changed in any direction by the wheel device 7 composed of casters. Done in

Next, the operation of the cultivation bed 1 will be described.
First, the portions of the flexible pipes 11 and 17 buried in the base portion 12 are adjusted to the installation position of the cultivation bed 1, and then the base portion 12 is spread so as to expose the end thereof, and the laying material 23 is placed thereon. Lay it. Next, the cultivation bed 1 is set at a predetermined position, the remaining portion is connected to the buried portion of the flexible pipes 11 and 17 by a connector 13 or 18, and the tip thereof is further connected to the culture solution supply pipe 8 or drainage. Connect to receiving part 14. Next, the height of the cultivation unit 5 is set to a desired value by adjusting the length of each leg 6. Further, the cultivation area of the cultivation unit 5 is set to a desired value. The change in the length direction of the cultivation unit 5 is performed by changing the insertion length of the two semi-cultivation units 28, and the change in the width direction is performed by adjusting the length of each elastic member 29. In that case, the extra rising wall 27
The extension 27b is located along the inside of the cultivation unit 5, that is, along the inside of the rising wall 26 as shown in FIG.

Then, an appropriate support plate or the like is placed on each of the cultivation units 5a and 5b, and the cultivation units 5a and 5b are covered with a waterproof sheet. In addition, a bellows-like covering material that also serves as a support plate and a waterproof sheet may be placed on the bottom. Even if the liquid from the culture medium leaks from the overlapping portion of the two movable bodies 28, there is no problem because the liquid is received by the drainage receiving portion 14 arranged below. Next, for example, a granular medium is put into the cultivation unit 5 to plant the plant. The culture solution is continuously or intermittently supplied to the medium from the culture solution supply pipe 8 through the culture solution supply main pipe 9, the branch pipe 10, and the flexible pipe 11, and the excess liquid oozing out of the medium is discharged to the drainage receiving section 14. To enter the,
The liquid is discharged to the flexible pipe 17, the branch pipe 16, and the drain main pipe 15. The liquid in the drain main pipe 15 is returned to the nutrient solution supply source.

[0018]

As described above, according to the cultivation bed of the first aspect, since the cultivation unit is supported by the plurality of legs so as to be able to move up and down, the height of the cultivation unit depends on the type of plant to be cultivated. You can change it freely. According to the cultivation bed of the second aspect, since the length of the cultivation unit in the longitudinal direction is variable, the cultivation area can be changed according to the cultivation amount of the plant. Furthermore, according to the cultivation bed of the third aspect, the width direction of the cultivation unit can be changed, and the rising wall portion in the middle of each movable body is bent into a plurality, so that it is simple. The cultivation area can be changed by the configuration. Furthermore, according to the cultivation bed of the fourth aspect, the cultivation area can be changed and the height of the cultivation unit can be changed. Further, according to the cultivation method of the fifth aspect, the height of the cultivation part or the cultivation area can be changed according to the purpose, so that the plant can be vegetated efficiently or with good appearance.

[Brief description of the drawings]

FIG. 1 is a partial front view showing an example of a cultivation bed of the present invention.

FIG. 2 is a perspective view of the cultivation unit of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cultivation bed 2 Support member 3 T-shaped joint 4 T-shaped joint 5 Cultivation part 5a First cultivation part 5b Second cultivation part 6 Leg 7 Wheel device 8 Culture liquid supply pipe 9 Culture liquid supply main pipe 10 Branch pipe 11 Flexible Piping 12 Basic part 13 Connector 14 Drainage receiving part 15 Drainage main pipe 16 Branch pipe 17 Flexible pipe 18 Connector 19 Retaining part 20 Stop pin 21 Wheel 22 Stopper 23 Bedding material 24 Bottom part 25 Standing wall part 25a Side plate 25b Bottom plate 26 Stand-up wall 26a Side plate 26b Bottom plate 27 Stand-up wall 27a Base 27b Extension 27c Connecting part 29 Telescopic member

Claims (5)

[Claims] 1. A cultivation bed for cultivating a plant, a cultivation unit 5, a plurality of legs 6 supporting the cultivation unit 5 so as to be able to move up and down, and a wheel device 7 provided at a lower portion of each leg 6 respectively. A culture solution supply pipe 8 for supplying a culture solution to a plant vegetated in the cultivation unit 5, a flexible pipe 11 for supplying a culture solution from a culture solution supply system to the culture solution supply pipe 8, A drainage receiving section 14 supported at a lower portion of the cultivation section 5;
A cultivation bed comprising a flexible pipe 17 for discharging wastewater from a wastewater to a wastewater recovery system. 2. The cultivation bed according to claim 1, wherein the cultivation bed includes a first cultivation section 5a having a flat U-shaped rising wall section 25, 26, 27 along an edge of a rectangular bottom section 24, respectively. The cultivation unit is separated from the cultivation unit 5b, and is slidably formed in the longitudinal direction so as to be overlapped with the first cultivation unit 5a from the middle part to the tip of the second cultivation unit 5b and to have a variable overlap margin. bed. 3. The bottom 24 of the first cultivation unit 5a and the second cultivation unit 5b according to claim 2,
Is formed of a stretchable member 29 that can expand and contract in the width direction, and the closed side of the U-shaped rising wall portion is formed as a multi-partition wall portion that can be bent into a plurality of portions, with the expansion and contraction in the width direction. A cultivation bed in which only the necessary parts use the multi-segmented walls. 4. The cultivation bed according to claim 2, wherein each leg 6 supports the cultivation unit 5 so as to be able to move up and down. 5. A plant is vegetated in the cultivation part 5 using the cultivation bed according to claim 1, and a culture solution from a culture solution supply system is cultivated from a culture solution supply pipe 8. Part 5
And discharging the wastewater from the cultivation unit 5 to the wastewater collection system via the wastewater receiving unit 14.