JP2004222549A - Planting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a planting method with which plants are stably planted even on artificial ground and side walls such as rooftops, wall surfaces, etc., generation change of plants is continuously carried out, transplanted plants are excellently widened and grown and largely contributes to prevention of global warming such as atmosphere cleaning, drying prevention, warming prevention, alleviation of heat island phenomena, etc, improves residential environments including a landscape. <P>SOLUTION: Culture soil is stored in a pan for planting composed of a bottom wall having a plurality of drain holes surrounding the center and side walls which stand from a circumferential edge part of the bottom wall, has an upper end ended in a square opening and about 1-4.0 cm depth, seeds of lichen plant are sowed or young seedlings are planted and main roots of the plant are rooted and guided from the drain holes downward. The planting method is applied especially to rooftop greening and slope greening. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention particularly relates to a planting method for lichen plants and the like, and more particularly to a planting method capable of stably planting on a roof or a side wall of a factory or a high-rise house.
[0002]
[Prior art]
In many cases, vegetables, flowers, flowers, trees, and the like are not directly sowed or cut in a planting place, but are generally planted in a planting place after raising seedlings in a container for raising seedlings for a certain period of time. Conventionally, cultivation vessels have been used to grow plant seedlings, but these are made of petroleum-based resins such as polypropylene and polyethylene that are not biodegradable from the viewpoint of ease of handling and price. Most of them were planting containers. Therefore, at the time of planting, it is necessary to extract a plant from the planting container and plant it, and the container after removal has been incinerated.
[0003]
When raising seedlings using a conventional plastic planting container, it is necessary to remove the container from the container at the time of planting and replace it in an open field. Many roots and fine roots are cut off, resulting in poor rooting after planting and poor rooting. Further, there is another problem that the used containers become industrial wastes, and when they are incinerated, toxic gas is generated and the incinerator itself may be damaged.
[0004]
On the other hand, cultivation produced using a copolymer composed of an aliphatic polyester and an aliphatic polyamide, for example, in order to enable the whole plant to be planted in the ground without extracting the plant after raising the seedling from the container. Containers (Patent Literature 1), cultivation containers (Patent Literature 2) such as papers represented by waste paper, and cultivation containers (Patent Literature 2) formed by forming a film of a polyhydroxybutyric acid / polyhydroxyvaleric acid copolymer film on the surface of a plant fiber pot. Various biodegradable planting containers have been proposed.
[0005]
In recent years, with the rise and densification of urban structures, the greening of artificial ground such as rooftops and walls of buildings has become an important factor in the formation of urban greening spaces, and rooftop greening is purifying the atmosphere, preventing drying, preventing global warming, and heat islands. It greatly contributes to the prevention of global warming, such as mitigation of phenomena, and is recognized as an essential condition for the formation of a living environment, including landscapes.
[0006]
Most of the conventional rooftop greening methods are such that plants on the ground surface can be cultivated on the rooftop.A sponge-like piece made of water-repellent, corrosion-resistant synthetic resin is laid on artificial ground, and Kanuma soil is placed on top of it. And a mixed layer of perlite, and a layer of soil on top of it, which allows seeding or planting of seedlings, which enables plant cultivation, and facilitates hydration from a sponge. It is described that root rot of plants can be prevented (Patent Document 3).
[0007]
Further, a mixture of inorganic fiber such as rock wool and an adhesive is sprayed on the surface of the roof construction to form an inorganic fiber layer having a predetermined thickness, and a mixture of seed or spores and the adhesive is formed on the surface of the inorganic fiber layer. It is disclosed that a spray layer is formed by spraying so that seeds or spores can be germinated, and a water supply pipe is provided along the roof top to appropriately supply water and liquid fertilizer to germinate and grow. From this, it is described that greening in a living environment can be easily and effectively promoted, and a heat insulating effect can be given to a building such as a roof or a wall of a factory (Patent Document 4).
[0008]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 54-112453 [Patent Document 2]
Japanese Patent Application Laid-Open No. 02-286013 [Patent Document 3]
Japanese Patent Publication No. 40-1121 [Patent Document 4]
JP-B-51-21895 [0009]
[Problems to be solved by the invention]
However, in the conventional planting method, a plant is grown using a plastic planting container, and the plant is pulled out of the container at the time of transplanting and replanted. There is a problem that many branch roots and fine roots including straight roots are cut and poor rooting after implantation and deterioration of root survival are likely to occur.
[0010]
In addition, since the roots of plants do not penetrate the peripheral wall and protrude freely, causing the root to rotate inside the container, the roots in the container have many thick main roots and few fine roots, resulting in poor root growth. However, there is a problem that rooting failure easily occurs at the time of transplantation.
[0011]
In addition, cultivation containers made of plant fibers such as sawdust and waste paper have too high water absorption and low water-resistant strength and poor shape retention, and contain biodegradation inhibitors such as lignin. Even after being buried, it remains for a long time without being decomposed, and has disadvantages such as adversely affecting root growth (rooting).
[0012]
A method has also been proposed in which a plant is raised in a culture soil contained in a biodegradable plastic flat pot, and then the plant is planted together with the pot at a desired location.
[0013]
However, in general, a biodegradable plastic flat pot is formed by molding a biodegradable plastic sheet such as a polylactic acid sheet into a molded sheet material in which a plurality of flat pots are vertically and horizontally continuous by a vacuum (pressure) molding method, It is manufactured by separating into individual flat pots (or producing connecting flat pots connected by a connecting part with a small width), and drilling a corner hole at the center of the bottom wall or at the corner from the bottom wall to the side wall. I have.
[0014]
On the other hand, for example, for rooftop greening, when a plant that grows to cover the ground surface is used for greening, for example, when taking a lawn as an example, there are cases where lawn seeds are sown at the planting place, but grown in the open ground In order to block the grass by peeling it and cutting it to an appropriate size, it is common to take it out of the container, cut off the roots, adjust the length of the roots, and arrange them with a proper separation between them and plant them . Therefore, not only the growing roots but also the roots are cut (cut off) because not only the growing roots but also the direct roots are cut because not only the growing roots are intertwined with each other but also the growing roots. Each of the growing points is withered and the function as a root is remarkably hindered, so that there is a problem that poor rooting after implantation and deterioration of root survival are likely to occur.
[0015]
The present invention has been made in view of such circumstances, and its purpose is to stably plant plants on artificial ground and side walls such as rooftops and walls, so that generations can be continuously changed and after transplantation. To contribute to the prevention of global warming, such as air purification, drying prevention, global warming prevention, and the mitigation of the heat island phenomenon, and to provide a planting method that can improve the living environment including the landscape. is there.
[0016]
[Means for Solving the Problems]
The inventors have found that although the thickness of the bottom wall is kept substantially the same as the thickness of the raw material sheet such as a polylactic acid sheet, the thickness of the side wall portion is formed extremely thinner than the thickness of the bottom wall. (This is because of the spread during vacuum (pressure) molding). As a result, the biodegradation rate of the side wall is more rapidly biodegraded than that of the bottom wall, and because the plant's absorbed roots extend in the direction of breaking through the side wall, it is difficult to survive and die, and the present invention has been completed. is there.
[0017]
That is, the means adopted by the present invention to achieve the above object is the invention of claim 1, wherein the bottom wall having a plurality of drain holes surrounding the center, the opening at the upper end rising from the peripheral edge of the bottom wall After cultivation soil is accommodated in a planting flat pot having a side wall having a depth of about 1 to 4.0 cm and terminating with a seed, a lichen plant seed is sowed or seedling is planted on the culture soil, and the main root of the plant is planted. It is characterized in that the root is guided downward from the drain hole.
[0018]
The invention of claim 2 is characterized in that the planting method of claim 1 is applied to rooftop greening or slope greening.
[0019]
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Hereinafter, the present invention will be described in more detail based on embodiments, but various design changes can be made without departing from the spirit of the present invention.
[0020]
As a plant used for rooftop greening or slope (slope) greening, from the viewpoint of weight reduction, sedums, lawns, tamariu, water moss, turf cherry, hedera, bamboo grass, and the like are preferable.
[0021]
A planting container suitable for carrying out the present invention has a bottom wall having a drain hole, and a depth of 1 to 4.0 cm rising from a peripheral edge of the bottom wall and terminating at an opening (square to circular) at an upper end. It is a tray-shaped flat bowl having a plurality of side walls and a plurality of drain holes so as to surround the center of the bottom wall.
[0022]
The flat pot for cultivation of the present invention generally comprises, for example, vacuum (pressure) molding of a polyethylene thin film material to form a molded sheet in which a plurality of flat pots are connected vertically and horizontally, and then is separated into individual flat pots (or micro flats). It is possible to manufacture by connecting a plurality of drain holes at a desired predetermined position on the bottom wall together with a connection flat bowl connected by a connection portion having a wide width. In addition, if a drainage hole is formed in the corner from the bottom wall to the side wall, the main roots of the plant will protrude in the lateral direction, so that it is difficult to obtain the effect of the planting method of the present invention.
[0023]
It is preferably made of a synthetic resin represented by polyethylene (PE), polypropylene (PP), polystyrene (PS), etc. from an economic viewpoint, and is made of a biodegradable plastic from the viewpoint of environmental pollution prevention. Is preferred.
[0024]
The flat bowl made of biodegradable plastic can be manufactured, for example, by vacuum forming a biodegradable plastic sheet or foam board, or by using various other conventionally known plastic processing techniques. The biodegradable plastic is not particularly limited as long as it can be finally decomposed into water and carbon dioxide (carbon dioxide) by microorganisms in the soil, and various types can be used. .
[0025]
Hereinafter, a method for planting a lichen plant using a plant pot made of biodegradable plastic (polylactic acid) will be described as a specific example. However, as described above, the size and shape of the flat pots for planting, the shape of the opening at the upper end, and the like are items that are appropriately selected from the viewpoint of the type of plant to be raised, the planting place, the planting range, and the like, and have a desired predetermined shape. It goes without saying that it can be designed.
[0026]
First, put a culture soil based on peat moss or the like in a polylactic acid flat pot, sow a seed of a plant or transplant a seedling there, and watering it appropriately, depending on the type of seedling, but several months ~ When the seedlings are raised for about one year, the roots of adjacent plants are intertwined with each other, and the absorbed roots grow well toward the drainage holes.
[0027]
When the plants grown in this way are planted together with the desired pots in, for example, artificial soil on the roof, the main roots (absorbing roots) of the planted plants may be provided on the bottom wall instead of in the side wall direction, probably because of the need for air and water. To the drainage hole, and penetrate the drainage hole and into artificial soil. Therefore, the roots and roots (branches, fine roots, etc.) that have emerged out of the pot can be guided to the soil of the planting plant and guided to the roots. I can plan.
[0028]
In addition, if the drain hole of the flat pot used is formed only in the central part of the bottom wall, such an effect tends to be hardly obtained. When one side of the flat bowl is about 5 to 20 cm, it is preferable to provide a total of about four drain holes near the center of the diagonal line from the bottom center of the flat bowl to each corner, but the formation position and the number of drain holes are The design is appropriately changed depending on the size of the flat pot, the seedling raising plant type, and the like.
[0029]
Also, if the drainage hole is too large, the strength of the flat pot will be weakened, the inside of the pot will be dried and the roots will be too dry, so the frequency of irrigation will increase and the roots will be exaggerated due to excessive air pruning phenomenon. It grows only in the center of the pot and tends to have a very weak root system.
[0030]
With the same construction method, greening can be performed on the side of a building (concrete or tile surface) or on the slope (slope).
[0031]
【The invention's effect】
As described above, according to the planting method according to the present invention, plants can be stably planted even on artificial ground or side walls such as a rooftop or a wall surface, and generational changes can be performed continuously, and the spread and growth of plants after transplantation are excellent, This contributes significantly to the prevention of global warming, such as air purification, prevention of drying, prevention of global warming, and mitigation of the heat island phenomenon, and provides particularly remarkable effects of improving the living environment including the landscape.

Claims (2)

Cultured in a flat pot for planting consisting of a bottom wall having a plurality of drain holes surrounding the center, and a side wall having a depth of about 1 to 4.0 cm rising from the peripheral edge of the bottom wall and terminating at an opening at the upper end. A planting method characterized by sowing a plant seed or planting a seedling in the culture soil after accommodating the soil, thereby inducing the root of the plant to emerge downward from the drainage hole. The planting method according to claim 1, wherein the planting method is applied to rooftop greening or slope greening.