JP7161375B2 - Irrigation tube arrangement and environment control method in gardening facilities - Google Patents

Description

TECHNICAL FIELD The present invention relates to an arrangement of watering tubes and an environment control method in gardening facilities such as vinyl greenhouses for cultivating various crops.

As this type of gardening facility, a plurality of facilities are known as well-known techniques, and there is a first well-known technique for arranging irrigation tubes. In this well-known technique, a rectangular pipe (2) having a suitable width and a large number of holes (1) are formed on the outer peripheral surface of a rigid synthetic resin, and the center of the upper surface of the rectangular pipe (2) is formed. A protection pipe for an irrigation tube (Patent Document 1) in a greenhouse for horticulture, characterized in that a cut (3) parallel to the center line is provided in the part and an irrigation tube (4) is inserted.

The irrigation tube protection pipe (5) according to the first known technique is installed on the ridge (6) of the bed soil, and the irrigation tube (4) is provided by passing through the protection pipe (5). The irrigation tube (4) does not come into direct contact with the bed soil, and adhesion of the bed soil to the micro holes (8) for sprinkling, or trampling or bending of the irrigation tube (4) is prevented. When water or liquid fertilizer is fed into (4), the irrigation tube expands into a circular shape within the protective pipe (5), and the water jetted from the microholes (8) spreads into a large number of net-like holes (1). It is said that it infiltrates more efficiently into the bed soil of the ridge (6).

There is a second known technique for environmental control in a house. In this known technology, in a greenhouse cultivation facility (BH), a hot water pipe (IN) is connected to the inlet side of an electric water heater (H1, H2) and a discharge pipe (OUT) is connected to the outlet side, and the discharge A hot water/cold water circulating device is provided by sequentially connecting the water supply pipe (IN) to the pipe (OUT) through a gas-liquid indirect heat exchanger (HE), a cushion tank (CT) capable of supplying cold water, and a circulation pump (P1). and circulating hot water in a heating pipe (HP) placed in the medium (G) in the greenhouse cultivation facility (BH) between the electrically heated water heater (H1, H2) and the cushion tank (CT). A culture medium temperature adjustment device is configured by connecting as much as possible, and a blower (DCF) is connected to the suction duct (WD1) on the gas inlet side of the gas-liquid indirect heat exchanger (HE) via an air volume adjustment damper (SD). At the same time, the air duct (WD2) on the gas outlet side is connected to the greenhouse cultivation facility (BH) to form a hot air/cold air supply device, and cold water or hot water can be circulated and supplied to the gas-liquid indirect heat exchanger (HE). An air-conditioning/medium temperature control device for a greenhouse cultivation facility (Patent Document 2) characterized by:

The air-conditioning/medium temperature control device for a greenhouse cultivation facility according to the second publicly known technique does not make noise such as when a boiler is in operation, is easy to handle, and is almost maintenance-free due to the compact and simple configuration. To maintain and manage the temperature of the air and culture medium in a greenhouse cultivation facility at an appropriate temperature according to the season and the type of cultivated plant without replenishing fuel and with high energy efficiency. This activates photosynthesis, warms the leaves and roots of plants to an appropriate temperature, promotes the growth of plants in greenhouse horticulture, promotes the growth of leaves, roots, fruits, etc., and is advantageous in increasing the yield of agricultural products. It is said that it is made possible by

Further, FIG. 5 showing an example of piping such as a well-known irrigation tube actually implemented in this kind of greenhouse cultivation facility will be described. A sprinkling tube 23 is directly arranged on the culture medium 22 housed in the cultivation bed 21, and a cooling/hot water pipe 24 for controlling the temperature of the culture medium 22 and the surroundings, that is, the environment, is also arranged in an adjacent state in summer and winter. , a mulch sheet (vinyl sheet) 25 covering the culture medium 22, the sprinkling tube 23 and the cooling/hot water tube 24 is covered, the required holes are made in the mulch sheet 25, and the cultivation plant 26 is planted in the culture medium 22, and A CO ₂ supply pipe 27 is arranged on the multi-sheet 25 .

Publication of Japanese Patent Application Laid-Open No. 57-79823 Registered Utility Model Publication of Utility Model Registration No. 3195434

In the invention of the first known technique, a square protective pipe having a large number of holes is directly installed on the ridge of the bed soil, and an irrigation tube having fine holes for watering is inserted into the protective pipe. However, since the irrigation tube is in contact with the bed soil, the roots of cultivated plants inevitably extend toward the water to be supplied and enter the micropores, and the micropores are visible. It has a problem (problem) that it becomes clogged and water cannot be supplied.

Further, in the invention of the second known technique, the environment in the greenhouse is electrically controlled by the air conditioning/medium temperature control device of the cultivation facility provided outside the greenhouse. Not only is there no description of the arrangement of irrigation tubes to supply water, but there is also no description of piping for supplying CO ₂ necessary for the plants. It has a problem (problem) that it cannot be done.

Furthermore, in the well-known example, since the irrigation tube 23 is arranged directly on the culture medium 22, the roots of the plants 26 may enter the watering holes or slits of the irrigation tube 23 and clog them. There is a problem (problem) that piping for environmental control is required for each cultivation bed, and redundant piping is required in the facility, increasing the cost of the piping.

In order to solve the above-mentioned problems, the present invention arranges watering tubes so that the watering holes are not clogged with soil or roots of crops, and enables environmental control and CO ₂ supply even if redundant piping is omitted. It is an object of the present invention to provide a method for arranging an irrigation tube and an environment control method in such a gardening facility.

As a specific means for solving the above-mentioned problems, the present invention provides an irrigation tube 3 which is arranged in a cultivation bed 1 having a culture medium 2 installed in a horticultural facility and which is covered with a mulch sheet 5 . 3 is disposed above with a required space between the culture medium 2 and a plurality of arc-shaped support members 4. The support members 4 form the wire into the arc shape and the top of the arc is recessed. Both legs of the support member 4 are fixed to the tops of both side walls of the cultivation bed 1 so as to maintain the circular arc shape, and the irrigation tube 3 is attached to the concave support portion 4a. This is to provide a method for arranging an irrigation tube in a horticultural facility, characterized in that the required space is formed between the medium 2 and the medium 2 by placing and supporting the irrigation tube.

As a specific means for solving the above-mentioned problems, the present invention provides an irrigation tube 3 which is arranged in a cultivation bed 1 having a culture medium 2 installed in a horticultural facility and which is covered with a mulch sheet 5. 3 is disposed above with a required space between the culture medium 2 and a plurality of arc-shaped support members 4. The support members 4 form the wire into the arc shape and the top of the arc is recessed. Both legs of the support member 4 are fixed to the tops of both side walls of the cultivation bed 1 so as to maintain the circular arc shape, and the irrigation tube 3 is attached to the concave support portion 4a. is placed and supported to form the required space between the medium 2 and the environment control device and the pipe 9 of the CO2 supply device 8 facing the space to control the environment. To provide an environment control method in a horticultural facility.

According to the method of arranging the irrigation tube according to the present invention, the irrigation tube is arranged upward with a required space between the irrigation tube and the culture medium by means of the plurality of arc-shaped support members. In addition, according to the environmental control method, an arc-shaped space formed by lifting the irrigation tube by the support member is used for environmental control. Therefore, it is possible to omit redundant pipes for environmental control, and various excellent effects such as reduction of facility costs can be achieved.

FIG. 2 is a side view schematically showing a side view from one end side of the cultivation bed, showing the arrangement of the irrigation tubes in the gardening facility according to the embodiment of the present invention. It is the side view which showed roughly a part of length direction of the same cultivation bed. Fig. 2 is a schematic side view of the mulch sheet of the same cultivation bed, viewed from one end, showing a situation in which the required holes are made in the mulch sheet and the cultivation plants are planted in the culture medium. FIG. 4 is a partial side view in the longitudinal direction schematically showing a state in which an environment control device and a CO ₂ supply device are installed on one end side of the same cultivation bed. FIG. 2 is a side view seen from one end side schematically showing an example of piping such as a well-known sprinkling tube that is actually used in this kind of greenhouse cultivation facility.

The present invention will be described in detail based on the illustrated embodiments. First, the cultivation beds 1 shown in FIGS. contains the culture medium 2, and when arranging (piping) the irrigation tube 3 for supplying water and liquid fertilizer to the culture medium 2, it is not placed directly on the culture medium 2, but the required spacing is provided by the support member 4 (Space part) is piped above the culture medium 2.

As the support member 4, for example, a wire is processed into a semicircular arc shape and the top of the arc is recessed to form a concave support portion 4a. Both legs of the supporting member 4 are engaged and fixed to the upper portions of the side walls on both sides of the cultivation bed 1 so as to maintain the semicircular shape. 2 with a required space between them.

Furthermore, a multi-sheet (vinyl sheet) 5 is arranged so as to cover the top of the irrigation tube 3 and the support member 4 . As the supporting member 4, instead of the wire, for example, a resin-made member molded from a tough plastic material can be used. The irrigation tube 3 is formed with a plurality of small holes through which water or liquid fertilizer drips in the form of water droplets 6 at a required interval, and both ends of the covered mulch sheet 5 are open.

As shown in FIG. 3, seedlings 7 of crops to be cultivated, such as strawberries, are placed on a mulch sheet 5 on the cultivation bed 1 in which the irrigation tubes 3 are arranged with a space above the culture medium 2. are planted in the culture medium 2 by opening holes of the required size at required intervals, and the plants are cultivated in a vinyl house for an appropriate period while appropriately watering and liquid fertilizer. 2, so that soil and roots do not enter the watering holes and slits, eliminating the possibility of clogging.

By the way, in order to stabilize the efficiency of cultivation in greenhouses, it is necessary to control the environment inside the greenhouse depending on the area. For example, the temperature must be raised and lowered in winter and summer, and the plants must be supplied with the _CO2 they need. Therefore, as shown in FIG. 4, in the present invention, the existing environment control device and CO ₂ supply device 8 are used, and the device 8 is installed in the house, so that the air supply pipe from the device 9 faces the opening of the multi-seat 5 to use the arcuate space instead of the environmental control pipe.

In other words, in winter, warm air is blown from the environmental control device 8 and the required amount of warm CO ₂ that is deemed necessary is also supplied. , it also made it possible to supply the required amount of cold CO ₂ that was deemed necessary. In any case, the mulch sheet 5 surrounded by an arc serves as an air supply pipe without the need for a separate pipe, and the medium 2 itself in which the seedlings are planted can be quickly added. In addition to being able to heat or cool, air is supplied to the inside of the house through a large number of holes for planting seedlings, so the temperature inside the house can also be efficiently heated or cooled, thereby increasing the number of cultivated plants throughout the season. Since the environment can be controlled to be suitable for growing, equipment costs can be reduced.

With respect to the environmental control device and the CO ₂ supply device 8, for example, by providing a plurality of air supply pipes 9, air can be supplied to a plurality of adjacent cultivation beds 1 at the same time, and the number of devices is small. Therefore, it is possible to efficiently control the environment in a large house. It goes without saying that the present invention can be applied not only to the cultivation bed but also to the ridges of bed soil.

A method for arranging an irrigation tube in a horticultural facility according to the present invention is an irrigation tube that is arranged in a cultivation bed having a culture medium installed in the horticultural facility and is covered with a mulch sheet, and the irrigation tube is arc-shaped. Since the roots of cultivated plants do not enter the watering holes of the watering tube 3, the problem of clogging can be avoided. Furthermore, an environment control method in a horticultural facility includes forming an arc-shaped space between the irrigation tube and the culture medium by lifting the irrigation tube with an arc-shaped support member, and placing the environment control device in the arc-shaped space. Since the environment is controlled by facing the pipes of the supply device of CO 2 and CO ₂ , redundant pipes for environmental control can be omitted, the cost of equipment can be reduced, and the harvest amount can be greatly increased. , it can be used in a wide range in this type of greenhouse cultivation.

REFERENCE SIGNS LIST 1 cultivation bed 2 culture medium 3 irrigation tube 4 support member 4a concave support 5 mulch sheet 6 droplet 7 seedling 8 environment controller and _CO2 feeder 9 pipe

Claims (2)

An irrigation tube 3 arranged in a cultivation bed 1 having a culture medium 2 installed in a horticultural facility and covered with a mulch sheet 5 ,
The irrigation tube 3 is arranged upward with a required space between the culture medium 2 and a plurality of arc-shaped support members 4 ,
The support member 4 is formed by forming a wire into the arc shape and recessing the top of the arc to form a concave support portion 4a,
both legs of the support member 4 are fixed to the top of both side walls of the cultivation bed 1 so that the arc shape is maintained;
The required space is formed between the irrigation tube 3 and the culture medium 2 by placing and supporting the irrigation tube 3 on the concave support portion 4a.
A method for arranging an irrigation tube in a horticultural facility. An irrigation tube 3 arranged in a cultivation bed 1 having a culture medium 2 installed in a horticultural facility and covered with a mulch sheet 5 ,
The irrigation tube 3 is arranged upward with a required space between the culture medium 2 and a plurality of arc-shaped support members 4 ,
The support member 4 is formed by forming a wire into the arc shape and recessing the top of the arc to form a concave support portion 4a,
both legs of the support member 4 are fixed to the top of both side walls of the cultivation bed 1 so that the arc shape is maintained;
The required space is formed between the culture medium 2 and the irrigation tube 3 by placing and supporting the irrigation tube 3 on the concave support portion 4a,
An environment control method in a horticultural facility, characterized in that environment control is performed by placing pipes ( 9 ) of an environment control device and a CO2 supply device ( 8 ) in said space.

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