JP3605803B2 - Planting base and slope greening method - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a planting base arranged on a construction slope of a greening work, and a greening of a slope where a thick layer base material is sprayed in a grid-like law frame or between law fences installed on the construction slope of the greening work. It relates to the construction method.
[0002]
[Prior art]
As a conventional slope greening method, rebars are arranged in a grid on the slope, and mortar or concrete is sprayed to cover the rebars to form a grid-shaped legal frame, and the thickness is set in the legal frame. There is a type in which a layer substrate is sprayed.
[0003]
This method requires large-scale construction, such as loading rebar into the construction site and spraying mortar or concrete.Therefore, recently, synthetic resin nets and plant fiber bags have been used. The frame filled with the vegetation base material is used as a frame for the construction of a legal frame, and this is installed in a grid on the slope, so that a thick layer substrate is sprayed into the grid-shaped legal frame. Has become.
[0004]
Then, in order to achieve early greening of the slope, the thick base material sprayed into the stake frame is used to attach herbs, small shrubs, and other trees and seedlings in order to convert the slope into a forest. Vegetation is applied.
[0005]
By the way, in recent years, thinning materials, fallen wood, and the like, which are troublesome to dispose of, are chipped and used as a part of the vegetation base material and the thick base material.
[0006]
That is, the wood chips become corrosive compost with the passage of time and are suitable for the growth of vegetation. Is being adopted in which wood chips are blended into a thick base material that is sprayed into the law frame.
[0007]
[Problems to be solved by the invention]
However, in the method using the synthetic resin net tube described above, the vegetation base material filled therein is easy to dry, and there is a problem in terms of vegetation growth. Although the drying of the base material is effectively prevented, there is a problem that when the bag body is corroded, the vegetation base material collapses and easily runs off.
[0008]
On the other hand, raw wood chips generate gas and decaying fungi before they become corroded and composted, and further cause nitrogen starvation of the thick base material as a nursery and slope soil, resulting in the growth of vegetation. There was also a problem that hindered.
[0009]
The present invention has been made in view of such circumstances, and in the first invention, a planting base used as a frame for forming a grid-like legal frame or a fence for configuring a legal fence is provided by vegetation. It is an object of the present invention to provide a method that can effectively prevent the drying of a base material and can realize the greening of a slope by coexisting with wood chips without causing starvation of nitrogen.
[0010]
In the second invention, it is an object of the present invention to provide a slope revegetation method capable of processing a large amount of wood chips at a time, in addition to being able to realize the construction of the slope greening together with the wood chips, In addition, in the third invention, it is an object to provide a slope greening method suitable for assuring greening of the entire slope. Further, in the fourth invention, it is an object to provide a slope greening method capable of reliably greening the slope.
[0011]
[Means for Solving the Problems]
A planting substrate according to a first aspect of the present invention is a planting substrate arranged on a construction slope of a greening work, wherein a flexible synthetic resin tube is provided in a flexible plant fiber tubular bag. A double -sided bag is formed. The double -sided bag forms a growth opening for plants to which planting soil mixed with materials for controlling nitrogen starvation is supplied. It is characterized in that the body is filled with a vegetation base material containing wood chips (claim 1).
[0012]
Also, a planting base for forming a grid-shaped legal frame on the construction slope of the greening work, a flexible synthetic resin tubular bag in a flexible plant fiber tubular bag. This double bag forms a growth opening for plants to which planting soil mixed with materials for controlling nitrogen starvation is formed, and further, the double bag body May be filled with a vegetation base material including wood chips (claim 2).
[0013]
According to the planting base having such a configuration, since the surface portion is covered with the tubular bag made of plant fiber, the drying of the vegetation base is effectively prevented. Even if the cylindrical bag body is corroded, the synthetic resin tubular bag remains, effectively preventing the vegetation base material from flowing out.
[0014]
When greening the slope, the planting base having the above configuration is placed on the slope, and the planting soil is supplied into the double bag through the opening for plant growth of the planting base. The plant seedlings are planted or plant seeds are sown in the plant.At this time, the planting soil prevents gas and decay fungi generated from wood chips from invading, and also prevents the promotion of nitrogen starvation. Seedlings grow well.
[0015]
As the above planting soil, it is desirable to select a mixed material such as zeolite, charcoal powder, soil improvement material, Kanuma soil, lime, etc. in controlling nitrogen starvation.
[0016]
The slope revegetation method according to the second invention is a slope revegetation method in which a slope fence is installed on the construction slope of the revegetation and a thick base material is sprayed between the slopes. While a plant fiber mat is stretched on the surface, a flexible synthetic resin tubular bag is built in the flexible plant fiber tubular bag, and the double bag is A base body filled with a vegetation base material including a wood chip is used as a fence body for constructing a fence, an opening for growing a plant is formed in the fence body, and the fence body is parallel to the contour line. In this way, the material for controlling nitrogen starvation is mixed in the double bag through the opening for plant growth while the thick base material including wood chips is sprayed into the fence by installing it on the mat as described above. supplying been planted栽土point seeding planting or plant seed plant seedling to the planting栽土It is characterized (claim 3).
[0017]
In addition, a grid-shaped slope is installed on the green slope construction slope, and a thick-layer base material is sprayed into the grid-shaped slope. While a plastic mat is stretched, a flexible synthetic resin tubular bag is built in a flexible plant fiber tubular bag, and wood chips are attached to this double bag. A base body filled with a vegetation base material containing, as a frame body for forming a grid-shaped legal frame, forming an opening for plant growth in at least a frame body installed in a horizontal direction, and This frame is placed on the mat so as to form a lattice-shaped legal frame, and the thick substrate containing wood chips is sprayed into the lattice-shaped legal frame, while the above-described opening for plant growth is used. supplying a double planting栽土of materials to control the nitrogen starvation is mixed into the bag body through, the planting Optionally a seeding planting or plant seed plant seedlings in soil (claim 4).
[0018]
According to the above-mentioned greening method, at least the frame body installed horizontally or the fence body installed so as to be parallel to the contour line is the planting base itself according to the first invention, so that the plant planted on this is used. Seedlings and plant seeds grow smoothly without being affected by decay fungi of wood chips or by gas, and by suppressing the starvation of nitrogen.
[0019]
That is, according to the slope greening method according to the second aspect of the present invention, the slope greening can be realized by coexisting with the wood chips, and the thick base material including the wood chips is formed in a grid-like frame. By spraying inside, a large amount of wood chips can be processed at once.
[0020]
In addition, since the plant fiber mat is stretched on the sprayed surface of the thick base material, not only corrosion and gas by rot fungi on the slope soil but also nitrogen starvation of the slope soil are effective. It is deterred.
[0021]
Preferably, in order to green the entire slope, on the thick-layer base material sprayed on the construction slope of the greening work (for example, in a grid-like legal frame), recesses are formed at appropriate intervals, The planting soil is supplied to the concave portion, and plant seedlings are planted or plant seeds are sown in the planting soil (claim 5). For example, plant seedlings and plant seeds planted on this planting soil are not affected by corrosion and gas from decay fungi on the wood chips, which will not directly affect the nursery, and also prevent nitrogen starvation of the nursery. It grows smoothly.
[0022]
Further, Trichoderma may be brought into contact with the wood chip (claim 6). According to the slope revegetation method according to the fourth aspect of the present invention, the Trichoderma fungus is used to produce agaric, oak, and many other bamboo fungi that may adhere to wood chips, such as oak, oak, and maple. It can prevent illness.
[0023]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a planting substrate 1, which is for forming a grid-shaped legal frame 2 on a construction slope N of a greening plant, as shown in FIG. A cylindrical seedling 4 made of synthetic resin is built in a cylindrical seedling 3 made of plastic, and plant seedlings (in this embodiment, grown in pots 5 separately) in the double bags 3 and 4 An opening 6 for growth of a tree seedling) a is formed, and a double bag body 3 , 4 is filled with a vegetation base material 7 containing a wood chip b and a solid fertilizer c. Are closed, and the double bags 3, 4 are provided at both ends with connecting portions 8, 8, respectively.
[0024]
A net-like cylindrical body 9 is attached to the growth opening 6 of the plant seedling a so as to be fitted in the double bags 3 and 4. Each of the tubular body 9 and the built-in bag body 4 is made of a synthetic resin having flexibility, and the tubular bag body 3 made of vegetable fiber is also flexible, and is provided with a vegetation base material. At the stage before filling 7, the double bags 3 and 4 provided with the cylinder 9 are foldable, so that the handling and transportation thereof are easy.
[0025]
The net-like cylinder 9 and the built-in bag 4 may be made of semi-rigid or hard synthetic resin, and the built-in bag 4 may be made of a synthetic resin nonwoven fabric. In this embodiment, the outer tubular bag 3 is made of vegetable fiber obtained by blending coconut fiber and jute fiber, and the built-in bag 4 is made of polyethylene used for a windproof net or the like. It is assumed.
[0026]
At the time of greening the slope N, as shown in FIG. 2, a planting substrate 1 having the above configuration and a planting substrate 1A having no growth opening 6 are prepared, as shown in FIG. First, for example, a mat 10 made of vegetable fiber in which coconut fiber and jute fiber are blended is stretched on the construction slope N of the greening work.
[0027]
Next, on the plant fiber mat 10, the planting bases 1 are arranged at intervals in the vertical direction and the planting bases 1A are arranged in a grid at intervals in the horizontal direction. A grid-shaped legal frame 2 is placed on the surface N, and an anchor 11 is appropriately cast to fix the position of the plant fiber mat 10 and the planting bases 1 and 1A. 1, 1A is integrated. When connecting the planting bases 1, 1 to 1A, 1A, the retaining portions 8, 8 at the ends are overlapped with each other, and the anchor 11 is cast in the hole d of the retaining portions 8, 8. .
[0028]
Then, while the thick base material 13 in which the wood chips b and the solid fertilizer c are blended is sprayed into the lattice-shaped legal frame 2, the double bag body 3 is passed through the opening 6 for plant growth. The planting soil 14 is supplied to the cylindrical body 9 in the plant 4 and the plant seedling a is planted on the planting soil 14 to complete the greening of the slope N. The plant seedling a grows. Eventually, roots will be established on the slope N through the plant fiber mat 10 (see FIG. 3).
[0029]
In the above embodiment, the plant seedlings a separately grown in the pots 5 are planted together with the pots 5 in the planting soil 14 supplied to the cylindrical body 9. This may be embedded together with the planting soil 14 in the opening 6 for plant growth, and plant seeds may be sown on the planting soil 14 instead of planting the plant seedlings a.
[0030]
If the entire surface of the slope N is to be greened, as shown in FIG. 2, the concave portions 15 are formed at appropriate intervals in the thick base material 13 sprayed into the lattice-shaped legal frame 2. The planting soil 14 may be supplied to the recess 15, and the plant seedling a may be planted or the plant seeds may be sown in the planting soil 14.
[0031]
Further, an opening 6 for plant growth is also formed in the planting substrate 1A installed at a horizontal interval, and the planting soil 14 is placed in the double bags 3 and 4 through the opening 6. The plant seedlings may be supplied to the planting soil 14 or the plant seeds may be sown.
[0032]
As the planting soil 14, it is desirable to select a mixed material such as zeolite, charcoal powder, soil improving material, Kanuma soil, lime, etc. in controlling nitrogen starvation.
[0033]
In addition, as the vegetation base material 7 and the thick-layer base material 13, a blended base material of a wood chip b and a solid fertilizer c is selected, and a soil conditioner, peat moss, vermiculite, humus, and the like are appropriately blended with these. It may be.
[0034]
FIG. 4 is a perspective view showing a construction form of a modification of the slope greening work.
Here, in the above-described embodiment, the planting substrate 1 is used for forming the lattice-shaped legal frame 2 on the construction slope N of the greening work, but is not limited to such a configuration. As shown in FIG. 5, the planting substrate 1 may be used to form a method fence 16 that is arranged (in a net fence shape) on the construction slope N of the greening work so as to be parallel to the contour lines. Good.
[0035]
That is, the law fence 16 is different from the law frame 2 in that it does not have the planting base 1A that is arranged at a horizontal interval and in a direction substantially perpendicular to the contour line.
[0036]
Next, a slope revegetation method (slope revegetation method) using the planting bases 1, 1,... For forming the law fence 16 having the above configuration will be described.
First, as shown in FIG. 4, the mat 10 is stretched on the construction slope N of the greening work, and the planting bases 1, 1... (Vertical direction) at an interval and in parallel with the contour line, a slope fence 16 is installed on the construction slope N of the greening work, an anchor 11 is appropriately cast, and a plant fiber mat 10 and the planting bases 1, 1,...
[0037]
At this time, the planting bases 1 and 1 adjacent to each other may be connected to each other for integration. This connection can be performed, for example, by overlapping the end portions 8, 8 as described above with each other, and driving the anchor 11 into the hole d of the stay portions 8, 8, or substantially. It can also be performed using the U-shaped connection anchor 12.
[0038]
Then, the thick base material 13 containing the wood chips b and the solid fertilizer c is sprayed between the law fences 16 adjacent to each other in a direction substantially perpendicular to the contour line, while the opening 6 for plant growth is sprayed. The planting soil 14 is supplied to the cylindrical body 9 in the double bags 3 and 4 through and the plant seedlings a are planted on the planting soil 14, so that the greening of the slope N is completed. Then, the plant seedlings a grow and eventually take root on the slope N through the plant fiber mat 10.
[0039]
Also, in the thick layer base material 13 sprayed between the law fences 16 adjacent in the direction substantially perpendicular to the contour lines, recesses 15 are formed at appropriate intervals, and planting soil 14 is supplied to the recesses 15. Then, plant seedlings a may be planted or plant seeds may be sown on the planting soil 14, and in this case, the entire slope N can be greened.
[0040]
The number of openings 6 provided in the planting base 1 is not limited to one, and a plurality (for example, two) may be provided, and the planting base 1 having no opening 6 may be provided. It may be provided.
[0041]
Further, an appropriate interval may be provided between the planting bases 1, 1... Arranged so as to be substantially parallel to the contour lines constituting the fence 16. For example, as shown in FIG. May be arranged in a checkered pattern (check pattern).
[0042]
Further, a trichoderma fungus (Ministry of Agriculture, Forestry and Fisheries Registration No. 7023, not shown) may be brought into contact with the wood chip b.
[0043]
The Trichoderma fungus has been found to be effective in preventing monpa disease occurring in radicles at the root of tobacco and white bamboo occurring in roots of old pine, and has been used. For example, when an unripe compost is used, oak mushrooms, oak, maple, and other deciduous trees, naratake, kawatake mushrooms, and many other bamboo fungi adhere to the disease, and there are examples of death. By adding Trichoderma bacteria to the above, the above-mentioned diseases can be prevented. From this, the inventor thought that the Trichoderma bacterium can be applied to the wood chip b, which is one of the unripe composts, and implemented it. Was proved.
[0044]
Further, by using an ammonium sulfate fertilizer in addition to the Trichoderma bacterium, it becomes possible to further increase the growth of plants to be vegetated, and to prevent nitrogen starvation, which is highly effective.
[0045]
In order to bring the Trichoderma bacteria into contact with the wood chips b, for example, the Trichoderma bacteria are mixed in advance with the wood chips b before being filled in the double bags 3 and 4 or before being sprayed as the thick base material 13. The water containing the Trichoderma may be sprayed (that is, sprayed) on the wood chips b after being filled in the double bags 3 and 4 or sprayed as the thick base material 13. ).
[0046]
In other words, the Trichoderma can kill bad bacteria, proliferate good bacteria, and obtain healthy trees. The fertilizing effect of Trichoderma (the duration of the effect) is 2 to 3 years. It has a great effect on the initial growth of seedlings. In addition, since the Trichoderma is not a chemical and is harmless to humans and animals, it has no adverse effect on the human body and can be used safely.
[0047]
In each of the two greening works shown in the above embodiment, the mat 10 is stretched. However, the present invention is not limited to such a configuration. 1A and the thick layer base material 13 may be directly arranged and sprayed on the slope N.
[0048]
【The invention's effect】
As described above, according to the first aspect of the present invention, the planting base used as the frame for the construction of the lattice-shaped frame is effectively prevented from drying the vegetation base, and is accompanied by nitrogen starvation. Instead, it is possible to provide a construction that can realize greening of a slope by coexisting with wood chips.
[0049]
According to the second aspect of the present invention, a slope revegetation method capable of treating a large amount of wood chips at a time is provided, in addition to being able to realize the construction of the slope greening together with the wood chips. In addition, the third invention provides a slope greening method suitable for assuring the entire slope greening. According to the fourth aspect of the present invention, there is provided a slope greening method capable of reliably greening the slope.
[Brief description of the drawings]
FIG. 1 is a plan view in which a part of a plant base is cut away.
FIG. 2 is a perspective view showing a construction form of a slope greening work.
FIG. 3 is a cross-sectional view showing a construction form of a slope greening work.
FIG. 4 is a perspective view showing a construction form of a modification of the slope greening work.
FIG. 5 is a plan view showing a construction form of the slope greening work.
FIG. 6 is a plan view showing a construction form of a further modification of the slope greening work.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Planting base, 2 ... Legal frame, 3 ... Cylindrical bag made of plant fiber, 4 ... Cylindrical bag made of synthetic resin, 6 ... Opening for plant growth, 7 ... Vegetable base, 10: Plant fiber mat, 13: thick layer substrate, 14: planting soil, 15: recess, a: plant seedling, b: wood chip, N: slope.

Claims (6)

A planting base arranged on the construction slope of the greening work, wherein a flexible synthetic resin tubular bag is incorporated in a flexible plant fiber tubular bag. A heavy bag is formed with an opening for growing a plant to which planting soil mixed with a material controlling nitrogen starvation is supplied, and a vegetation base material including a wood chip is further contained in a double bag. A planting substrate characterized by being filled. A planting base for forming a grid-like legal frame on a construction slope of a greening work, wherein a flexible synthetic resin tubular bag is a flexible plant fiber tubular bag. The double bag body has a built-in body, and in this double bag body, an opening for growing plants to be supplied with planting soil mixed with materials for controlling nitrogen starvation is formed. A planting base characterized by being filled with a vegetation base including a chip. This is a slope revegetation method in which a fence is installed on the slope of the revegetation work and a thick base material is sprayed between the fences. A mat made of plant fiber is stretched on the slope of the revegetation work. A flexible synthetic resin tubular bag is embedded in a flexible plant fiber tubular bag, and the double bag is filled with a vegetation base material including wood chips. The base body formed as a fence for constructing a fence is formed with an opening for growing a plant in the fence, and the fence is set on the above mat so as to be parallel to the contour line. While spraying a thick base material including wood chips into the fence, the planting soil mixed with materials for controlling nitrogen starvation is supplied into the double bag through the above-described opening for plant growth, and this planting is performed. A planting method for slopes, comprising planting seedlings or sowing plant seeds on soil. This is a greening method in which a grid-like slope is installed on the green slope construction slope and a thick base material is sprayed into the grid-like slope. While the mat is stretched, a flexible synthetic resin tubular bag is incorporated in the flexible plant fiber tubular bag, and the double bag contains wood chips. The base body filled with the vegetation base material is used as a frame for forming a lattice-shaped legal frame, and at least a frame installed in a horizontal direction is formed with an opening for growing a plant, and the frame is The body is placed on the above mat so as to form a lattice-shaped legal frame, and a thick substrate containing wood chips is sprayed into the lattice-like legal frame, while the substrate is passed through the above-mentioned opening for plant growth. supplying heavy planting栽土of materials to control the nitrogen starvation is mixed in the bag body, this planting栽土Greening method of slope, characterized in that seeding planting or plant seeds Mononae. On the thick base material sprayed on the construction slope of the greening work, recesses are formed at appropriate intervals, and planting soil is supplied to the recesses, and plant seedlings are planted or plant seeds on the planting soil. The method for greening a slope according to claim 3 or 4, wherein the planting is performed. The method for greening a slope according to any one of claims 3 to 5, wherein a Trichoderma bacterium is brought into contact with the wood chip.

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