JPH1084768A - Culture medium body, plant for appreciation, cultivation device and cultivation method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a culture medium body which prevents the propagation of algae, moss and microorganisms, allows the cleaning of its surface and contributes to an improvement in workability and growth management by forming part of the outside surface part of a main body part where plants are planted and which has air permeability, etc., as a water repellent surface. SOLUTION: Part of the outside surface of the main body part 4 where the plants 10 are planted and which has the air permeability, etc., is formed as the water repellent surface 6. The plant 10 is planted to the water repellent surface 6 side of the culture medium body 2 which is formed selectively with the water repellent surface 6 and non-water repellent surface 8 on its outside surface and has water permeability and air permeability and a nutrition soln. is penetrated from the non-water repellent surface 8 of the culture medium body 2, by which the nutrition soln. is preferably supplied to the plant 10. A water repellent layer consisting of a water repellent resin, such as silicone resin or fluorine emulsion, is formed on the surface of the culture medium body 2 or the main body 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a culture medium having water permeability and air permeability such as rock wool, an ornamental plant cultivated using the culture medium, a cultivation apparatus and a cultivation method.

[0002]

2. Description of the Related Art Conventionally, ornamental plants are cultivated on a solid medium having water permeability and air permeability such as rock wool, and tend to be commercialized together with the solid medium. This is the so-called commercialization of rooted plants.

[0003] When cultivating a plant on a solid medium, hydroponic cultivation is appropriate. As is well known, hydroponic cultivation employs a method of dropping a nutrient solution on a solid medium or immersing the medium in the nutrient solution.
For this reason, the culture medium is appropriately moisture, temperature and sunlight,
Moss and algae develop.

[0004]

When such a rooted plant is provided as a commercial product together with a medium, moss and algae generated on an exposed portion of the medium impair the commercial value. Even when the algae and moss are consistent with the plant, if the algae and moss are in contact with the surface of the culture medium, the moss and algae may adhere to the hands and cause discomfort. In addition, during cultivation, it is necessary to pay attention to the propagation of moss and algae and remove the moss and algae, which raises cultivation costs and complicates growth management.

Accordingly, an object of the present invention is to provide a medium, an ornamental plant, a cultivation apparatus, and a cultivation method in which the growth of moss, algae, and the like is suppressed.

[0006]

Means for Solving the Problems The medium of the present invention is shown in FIG.
As illustrated in FIG. 2, a part of the outer surface of the water-permeable and air-permeable main body (4) on which the plant (10) is planted is formed as a water-repellent surface (6). In this medium, water is repelled by the water-repellent surface (6), so that the growth of algae and moss and the generation of microorganisms can be prevented, and the water-repellent surface can be kept clean.

In the ornamental plant of the present invention, as shown in FIG. 1, a plant (10) is planted on a medium body (2) having water permeability and air permeability, and the exposed side of the medium body has a water-repellent surface. It is characterized by having. As a result, water is repelled by the water-repellent surface (6), the growth of algae and moss is hindered, and the water-repellent surface is kept clean, so that discomfort on the culture medium side can be prevented.

As shown in FIGS. 1 to 3, the cultivation apparatus of the present invention comprises a water-permeable and air-permeable culture medium (2) having a water-repellent surface and a non-water-repellent surface selectively formed on the outer surface. And a nutrient solution supply means (nutrient solution supply device 27) for absorbing the nutrient solution (28) from the non-water-repellent surface of the culture medium. The nutrient solution can be absorbed from the non-water-repellent surface side of the medium body on which the plant is planted, and the water-repellent surface side can be kept clean. Further, since the water repellent surface is formed, evaporation of the nutrient solution can be suppressed.

The cultivation method of the present invention has water permeability and air permeability in which a water-repellent surface (6) and a non-water-repellent surface (8) are selectively formed on the outer surface, as exemplified in FIGS. A plant (10) is planted on the water-repellent surface side of the medium body (2), and the nutrient solution is supplied to the plant by infiltrating a nutrient solution from the non-water-repellent surface side of the medium body. The nutrient solution can be absorbed from the non-water-repellent surface side to the medium body on which the plant is planted, and the water-repellent surface side can be kept clean, and since the water-repellent surface is formed, the nutrient solution can be absorbed. Since evaporation can be suppressed, nutrient solution management and cleaning management are facilitated.

Further, in the culture medium, the ornamental plant, the cultivation apparatus or the cultivation method of the present invention, as shown in FIG. 1, the water-repellent surface of the culture medium has a water-permeable and air-permeable culture medium or the main body. A water-repellent layer (60) is formed on the surface of the portion, and the non-water-repellent surface is an exposed surface of the culture medium or the main body. With respect to the water-repellent surface, there are various methods such as impregnation of the surface of the culture medium or the main body thereof with a water-repellent resin. For example, a water-repellent layer is formed. The water-repellent layer may be formed of a water-repellent film. The water repellent layer may be colored or transparent.

Further, in the culture medium, the ornamental plant, the cultivation apparatus or the cultivation method of the present invention, as shown in FIG. 5, the water-repellent layer is made of a water-repellent resin such as a silicone resin or a fluorine-based emulsion. It is characterized by. The water-repellent layer can be formed of various water-repellent resins, but it is natural to consider the effect on the cultivated plant.

In the culture medium, the ornamental plant, the cultivation apparatus or the cultivation method of the present invention, the water-repellent layer is obtained by applying a liquefied water-repellent resin to the surface of the culture medium or the main body, and curing the water-repellent resin. It is characterized by being formed. This is a method for forming a water-repellent layer, and there are various methods. For example, application and hardening of a liquefied resin can form a water-repellent layer easily and reliably, and can prevent generation of algae and moss.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.

FIGS. 1 to 4 show an embodiment of a culture medium, an ornamental plant, a cultivation apparatus and a cultivation method of the present invention.

As shown in FIG. 1, the medium body 2 has a main body 4 as a fixed medium formed of a mineral or resin such as rock wool or the like, and a part of the main body 4 has a water-repellent surface. 6 and a non-water-repellent surface 8. In the embodiment shown in FIG. 1, the surface on which the ornamental plant 10 is planted is the water-repellent surface 6, and the other surface is the non-water-repellent surface 8.
The water-repellent surface 6 is formed of a water-repellent layer 60 made of a water-repellent resin such as a silicone resin or a fluorine-based emulsion.

An opening 12 is formed in the water-repellent surface 6, and a plant 10 is planted in the main body 4 through the opening 12. A root prevention sheet 14 is wound around the side surface of the culture medium 2 as root prevention means for preventing roots from protruding. Therefore, the bottom surface of the culture medium 2 is an exposed surface that exposes the main body 4 as a means for permeating the nutrient solution.

The culture medium 2 is placed on a water-absorbing mat 24, which is a water-absorbing member, with a root prevention sheet 18 interposed therebetween. The nutrient solution is supplied onto the water-absorbent mat 24, and is sucked into the medium 2 by capillary action, and the plant 1
Absorbed in the root 20 of 0.

Next, as shown in FIG. 2, the culture medium body 2 is formed in a columnar or prismatic shape, and the main body 4 is made of a fixed culture medium formed of a mineral or resin such as rock wool. The water-repellent surface 6 has a water-repellent layer 60 on the upper surface. The main body 4 has a certain shape retention property.
The water-repellent layer 60 is provided with an opening 12 in the upper surface of the main body 4, and the plant 10 (FIG. 1) is planted from the opening 12 into the main body 4 through sowing or cutting.

Next, FIG. 3 shows an example of a cultivation apparatus using the culture medium 2. In this cultivation apparatus, a water-permeable slab 16 is installed as a water-permeable base, and this water-permeable slab 1
Reference numeral 6 denotes a plate member having water permeability, for example, formed of rock wool or the like. On this water-permeable slab 16, a water-absorbing mat 24 is provided as a member having water-absorbing properties. The water-absorbent mat 24 is used for the water-permeable slab 16
For example, it is set to have the same shape and the same area as the upper surface of the water-permeable slab 16 so as to cover the upper surface of the water-permeable slab 16.

A root-proof sheet 18 is placed on the water-absorbent mat 24 as a root-proof member.
Covers the upper surface of the water-absorbent mat 24 and hangs on the side of the water-permeable slab 16. That is, the side surface of the water-permeable slab 16 is covered with the root prevention sheet 18.

On the upper surface of the root-prevention sheet 18, one or a plurality of mediums 2 in the form of a block are placed. In this embodiment, a plurality of culture media 2 are provided at a fixed interval D, and a nutrient solution 28 is supplied from the nutrient solution supply device 27 onto the root prevention sheet 18 in the interval D. Here, nutrient solution 28
Is water, nutrients, or both. A plurality of water supply pipes 30 are provided as means for guiding the nutrient solution 28 to the culture medium 2 side. A nutrient solution tank 34 is connected to each water supply pipe 30 via a control valve 32 such as an electromagnetic valve, and the nutrient solution 28 is supplied at a predetermined time interval by a predetermined amount.

A mist nozzle 36 is provided above the culture medium 2 as a means for spraying moisture or the like. A water supply pipe 38 is connected to the mist nozzle 36 by a control valve 4 such as an electromagnetic valve.
The nutrient solution 28 is guided from a nutrient solution tank 34 in this embodiment. As another method, water may be pressure-fed to the mist nozzle 36 from another water source, or a switching valve may be provided in the apparatus shown in FIG. 3 so that water can be supplied.

A cultivation method using this cultivation apparatus will be described. Plants 10 to be cultivated in the form of seeds, transplanted seedlings, cuttings, bulbs and the like are planted in the medium 2. In this embodiment, a cutting of roses is shown.

In the seedling raising period, the plants 10 planted in the culture medium 2 are irrigated through a mist nozzle 36 based on mist growth. In this case, water is supplied through the water supply pipe 38 to prevent the plant 10 from drying. As a result, the plant 10 is kept in a moist state, and rich growth is promoted. Seedlings, transplanted seedlings,
There are various forms, such as cuttings and bulbs, and in any case, the seedlings are protected from light to prevent death due to extreme drying.

In the rooting, germinating, or rooting period, nutrient solution is supplied to the plant 10 through the water supply pipe 30 by the same treatment as in the seedling raising period, and appropriate light shielding is performed. When sufficient rooting occurs, the nutrient solution 28 is obtained on the lower surface side of the culture medium 2, and the root 20 extends as shown in FIG. 1 and grows on the root protection sheet 18. Since the lower surface side of the culture medium 2 has a slight gap 44 between itself and the root protection sheet 18, the root 20 grows. The growth of the root 20 is an important factor for the growth of the plant 10. In the case of a cutting, rooting can be promoted by shading.

In the growing period and the flowering period, the nutrient solution is supplied by the water supply pipe 30 from the growing period of the plant 10 to the flowering period. The absorption of the nutrient solution 28 is promoted. In this case, the root 20 of the plant 10 grows on the lower surface side of the culture medium 2 and the root protection sheet 18
The nutrient solution 28 that extends upward and seeps from the water-absorbent mat 24 onto the root-preventing sheet 18 is absorbed. Then, in the dry period, withering of the water by the mist nozzle 36 in accordance with the humidity environment can prevent wilting and withering.

Then, a spacing process and a thinning process are performed. In the process of the plant 10 from the seedling stage to the growing stage, it is necessary to provide a spacing D between the plants 10. In this case, since the medium 2 is portable, the medium 2
The plant 10 is moved on the root prevention sheet 18 in units of
Leave an appropriate interval D.

Between the plurality of medium bodies 2, the cultivated plant 10
In this case, the growth of the plant 10 is not uniform. In this case, the sequence of the plant 10 is rearranged in units of the medium 2 by attaching a grade or the like,
10 groups of plants having a uniform growth state are formed. As a result, the uniformity of the plant 10 to be cultivated can be adjusted on the cultivation floor.

Then, as shown in FIG. 4, the cultivated plant 10 is moved from the root-proof sheet 18 in units of the medium 2 and transferred to a cardboard container for distribution and shipped. In this case, the plant 10 is carried into the cardboard container together with the culture medium 2, and the main body 4 of the culture medium 2 is impregnated with an appropriate nutrient solution. No problems such as withering and death occur.

Since the water-repellent surface 6 is formed by the water-repellent layer 60 on the culture medium 2 from the cultivation to shipment of the plant 10, the water from the irrigation is repelled by the water-repellent surface 6 and evaporates. Can be prevented from becoming wet. As a result, moss and algae do not grow, and the generation of microorganisms mediated by water is also suppressed. Moreover, the water-repellent surface 6 at the time of shipment
Water droplets and dirt attached to the surface can be wiped off, and the surface can be cleaned. In operation, inconvenience such as transfer of dirt due to the operator touching the culture medium body 2 can be prevented.

Next, a method for forming the water-repellent surface 6 of the culture medium 2 will be described. In order to form the water-repellent layer 60 on a part of the surface of the culture medium 2, for example, as shown in FIG. The surface, that is, the surface on which the water-repellent surface 6 is to be formed, and a liquid-repellent resin such as a liquefied silicone resin, a fluorine-based emulsion, or the like is applied from above the shielding plate 15 to form the resin layer 61. . This resin layer 61 may be formed by a printing method. The shielding plate 15 is removed in accordance with the degree of drying of the resin layer 61 and cured to form the water-repellent layer 60. In the case of a resin having high thixotropy, the shielding plate 15 may be removed after printing or coating.

The medium body 2 may also be formed by forming a water-repellent layer 60 or the like on the surface of a plate-shaped medium material plate, subjecting it to a water-repellent treatment, and then cutting it to an appropriate size. Can be.

The water-repellent surface 6 to the water-repellent layer 60 can also be realized by impregnating the surface of the culture medium 2 with a water-repellent resin.

The water-repellent surface 6 to the water-repellent layer 60 can also be realized by attaching a sheet of a water-repellent resin to the surface of the culture medium 2.

In the above embodiment, the non-water-repellent surface can be formed on the side surface of the culture medium 2 by forming the root-proof sheet 14 wound around the side surface of the culture medium 2 with a water-repellent resin sheet. . In this case, the surface of the root-proof sheet 14 may be coated with a water-repellent resin and subjected to a water-repellent surface treatment. Such a root-prevention sheet 14 may be wound or adhered to the side surface or other surface of the culture medium 2 to form a water-repellent surface.

[0036]

As described above, according to the present invention,
The following effects are obtained. a. According to the medium of the present invention, water attached to the water-repellent surface can be evaporated without hindering the absorption of nutrient solution by the plant to be cultivated, so that propagation of algae and moss, propagation of microorganisms can be prevented, and the surface can be prevented. Can be cleaned. b. ADVANTAGE OF THE INVENTION According to the ornamental plant of this invention, there is no propagation of algae, moss, etc. on the surface portion where the plant is planted, and the water-repellent surface is kept clean, so that the quality of the product can be enhanced. Moreover, even when moisture or dirt is generated on the culture medium, it can be easily removed,
Ideal for appreciation. c. According to the cultivation apparatus and the cultivation method of the present invention, the nutrient solution can be absorbed from the non-water-repellent surface side to the culture medium on which the plant is planted, and the water-repellent surface side can be kept clean. Because the water-repellent surface is formed,
Since the evaporation of the nutrient solution can be suppressed, the management of the nutrient solution and the cleaning management can be facilitated, and further, since there is no propagation of algae and moss, the work of removing the alga and the like can be simplified. d. The water-repellent surface of the culture medium of the present invention can be easily formed with a water-repellent layer on the main body, and can be colored as desired. e. The water-repellent layer can be formed of a water-repellent resin such as a silicone resin or a fluorine-based emulsion, and can be easily and inexpensively realized. f. The water-repellent layer can be easily formed by applying a liquefied water-repellent resin to the surface of the culture medium or the main body and curing the resin.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing one embodiment of a culture medium and an ornamental plant of the present invention.

FIG. 2 is a cross-sectional view of a culture medium.

FIG. 3 is a view showing one embodiment of a cultivation apparatus and a cultivation method of the present invention.

FIG. 4 is a sectional view showing an embodiment of the ornamental plant of the present invention.

FIG. 5 is a cross-sectional view showing a method for forming a water-repellent surface and a water-repellent layer in a culture medium.

[Explanation of symbols]

 2 Medium body 4 Main part 6 Water-repellent surface 8 Non-water-repellent surface 10 Plant 27 Nutrient solution supply device (nutrient solution supply means) 28 Nutrient solution 60 Water-repellent layer 61 Resin layer

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI C09K 101: 00

Claims (7)

[Claims] 1. A culture medium characterized in that a part of the outer surface of a water-permeable and air-permeable main body on which a plant is planted is made a water-repellent surface. 2. An ornamental plant, wherein a plant is planted in a medium having water permeability and air permeability, and an exposed surface portion of the medium is a water-repellent surface. 3. A water-permeable and air-permeable medium body having a water-repellent surface and a non-water-repellent surface selectively formed on an outer surface thereof, and a nutrient solution supply for absorbing the nutrient solution from the non-water-repellent surface side of the medium body. Means, and a cultivation apparatus comprising: 4. Plants are planted on the water-repellent surface side of a water-permeable and air-permeable medium body having a water-repellent surface and a non-water-repellent surface selectively formed on an outer surface, and nourished from the non-water-repellent surface of the medium body. A cultivation method comprising supplying a nutrient solution to the plant by infiltrating the solution. 5. The water-repellent surface of the medium body has a water-repellent layer formed on the surface of the medium body or the main body having water permeability and air permeability, and the non-water-repellent surface is exposed on the medium body or the main body. The culture medium according to claim 1, the ornamental plant according to claim 2, the cultivation apparatus according to claim 3, or the cultivation method according to claim 4. 6. The medium, the ornamental plant, the cultivation apparatus, or the cultivation method according to claim 5, wherein the water-repellent layer is a water-repellent resin such as a silicone resin or a fluorine-based emulsion. 7. The culture medium according to claim 6, wherein the water-repellent layer is formed by applying a liquefied water-repellent resin to the surface of the culture medium or the main body and curing the liquid-repellent resin. Appreciation plant, cultivation device or cultivation method.