JP3244966U - Root protection material for seedling cells - Google Patents

Root protection material for seedling cells Download PDF

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JP3244966U
JP3244966U JP2023003774U JP2023003774U JP3244966U JP 3244966 U JP3244966 U JP 3244966U JP 2023003774 U JP2023003774 U JP 2023003774U JP 2023003774 U JP2023003774 U JP 2023003774U JP 3244966 U JP3244966 U JP 3244966U
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seedling
protection material
root protection
root
cells
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敏彦 八重樫
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株式会社Afp
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Abstract

【課題】生分解性の素材を用いて、搬送、植え付け時に取り外す必要のない苗木セルの根保護材を提供する。【解決手段】生分解性のポリ乳酸を繊維状にした糸で成形されている。このポリ乳酸の糸を螺旋状に巻き付けた後で、薄い帯状の長尺物11を作る。この帯状の長尺物11を、苗木セル3の円錐状の内周面31と円盤形の底面の内面に密着するように円錐状に形成し、帯状の長尺物11の隣接部12は熱融着して接合し一体化する。【選択図】図2The present invention provides a root protection material for seedling cells that is made of biodegradable material and does not need to be removed during transportation or planting. [Solution] It is molded from yarn made of biodegradable polylactic acid fibers. After winding this polylactic acid thread in a spiral shape, a thin strip-like elongated article 11 is produced. This long strip 11 is formed into a conical shape so as to be in close contact with the inner circumferential surface 31 of the seedling cell 3 and the inner surface of the disc-shaped bottom, and the adjacent portion 12 of the long strip 11 is heated. Fuse and join to integrate. [Selection diagram] Figure 2

Description

本考案は、苗木コンテナ等で育苗するとき使用する苗木セルの根保護材に関する。更に詳しくは、苗木の根の回りを保護し、取り外す必要のない生分解性の素材でできた苗木セルの根保護材に関する。 The present invention relates to a root protection material for seedling cells used when raising seedlings in seedling containers or the like. More specifically, it relates to a root protection material for seedling cells that protects the area around the roots of seedlings and is made of a biodegradable material that does not need to be removed.

育苗や植栽の省力化、合理化を目的として、苗木を育てるための多数の苗木セルを有した合成樹脂製の苗木コンテナが使用されている。この苗木コンテナは、根鉢が円錐状の細長い形状でサイズも小さいので、植え付けするとき、大きな穴を掘る必要がなく、植付け作業が効率的に行える利点がある。また、この苗木コンテナの苗木セルには、苗木の根巻き、変形が生じないようにするために、苗木セルの側面、底面にスリット、孔等が形成されている(特許文献1)。また、苗木セルの内部にリブを形成しているものもある。更に、育苗ポットとして、生分解性の紐状体の樹脂を積層して、この紐の間の隙間に根を張らせるものも提案されている(特許文献2)。 Synthetic resin seedling containers having a large number of seedling cells for growing seedlings are used for the purpose of saving labor and streamlining seedling raising and planting. This seedling container has an elongated conical root ball and is small in size, so there is no need to dig a large hole when planting, which has the advantage of making the planting process more efficient. In addition, slits, holes, etc. are formed in the side and bottom surfaces of the seedling cell of this seedling container in order to prevent root curling and deformation of the seedling (Patent Document 1). In addition, some seedling cells have ribs formed inside them. Furthermore, a pot for raising seedlings has been proposed in which biodegradable string-like resin is laminated and roots are allowed to grow in the gaps between the strings (Patent Document 2).

実用新案登録第3205361号Utility model registration No. 3205361 時開2008-148632号Jikai 2008-148632

植林した木は、雑草の背丈を超えるようになるまで下刈りが必要である。近年、この下刈りをしない、又は回数を少なくするために、苗木の高さ(樹高)を大きくして植え、苗木が自らで陽の光に当たることができるようにする試みがされている。樹高の高い苗木を苗木セルで育てるとき、育苗期間が長期になるので、その根が多くしかも充分に伸びて、育苗後にその地に根付く必要がある。又、大きな苗木は、前述したスリット、孔も大きくなるため、長期の育苗期間中に、培地が水で流れ易くなり、根が充分に育たない恐れがある。又、このために培地が圧縮されて酸欠にもなる。更に、特許文献2に記載の紐状体の育苗ポットは、育木ではなく、植物を対象としたものであり、苗木を育てるのに長期間かかる育木用ではないので、積層された紐状体では根が張れない。
本考案は上述のような技術背景のもとになされたものであり、下記の目的を達成する。
本考案の目的は、生分解性の素材を用いて取り外す必要のない苗木セルの根保護材を提供することにある。
本考案の他の目的は、植林後に活着しやすく、高い樹高の苗木や育苗期間が長期になる苗木に使用する、苗木セルの根保護材を提供することにある。
Planted trees need to be mowed until they grow taller than weeds. In recent years, attempts have been made to increase the height of the saplings (tree height) and plant them so that the saplings can expose themselves to sunlight in order to eliminate or reduce the number of underbrushings. When growing tall seedlings in seedling cells, the seedling growing period is long, so it is necessary for the roots to grow in large numbers and sufficiently to take root in the soil after growing the seedlings. In addition, large seedlings also have large slits and holes, so during the long-term seedling-raising period, water tends to flow through the medium, which may prevent the roots from growing sufficiently. This also causes the culture medium to become compressed and starved of oxygen. Furthermore, the string-like seedling growing pot described in Patent Document 2 is intended for plants, not for growing trees, and is not for growing trees, which takes a long time to grow seedlings. The body cannot spread roots.
The present invention has been made based on the above-mentioned technical background, and achieves the following objects.
The purpose of the present invention is to provide a root protection material for seedling cells that is made of biodegradable material and does not require removal.
Another object of the present invention is to provide a seedling cell root protection material that is easy to take root after planting and can be used for tall seedlings or seedlings that require a long seeding period.

前記課題は以下の手段によって解決される。
すなわち、本考案1の苗木セルの根保護材は、下方に向かって縮径する円錐状の空間を備えた苗木コンテナの苗木セルに使用するものであって、前記空間の内周面に外周面が密着して接し、生分解性の弾性素材で作られ、水と空気を通す多数の貫通孔が形成され、苗木の根を保護するものであることを特徴とする。
The above problem is solved by the following means.
That is, the seedling cell root protection material of the present invention 1 is used for a seedling cell of a seedling container having a conical space whose diameter decreases downward, and has an outer circumferential surface on the inner circumferential surface of the space. It is characterized by being in close contact with each other, being made of biodegradable elastic material, and having numerous through holes through which water and air can pass, thereby protecting the roots of seedlings.

本考案2の苗木セルの根保護材は、本考案1において、前記弾性素材は、植物性の繊維素材、又は動物性の繊維素材を生分解性の糊、又は粘着剤で固めるものであることを特徴とする。 In the seedling cell root protection material of the present invention 2, in the present invention 1, the elastic material is a vegetable fiber material or an animal fiber material hardened with biodegradable glue or adhesive. It is characterized by

本考案3の苗木セルの根保護材は、本考案2において、前記弾性素材は、ポリ乳酸を繊維状にした糸を螺旋状にして積層したものであることを特徴とする。 The root protection material for seedling cells according to the third aspect of the present invention is characterized in that, in the second aspect of the present invention, the elastic material is formed by laminating polylactic acid fibers in a spiral shape.

本考案の苗木セルの根保護材は、水と空気(酸素)を通す多数の小さな貫通孔が形成されているので、培地が水で流出することが無く、苗木の根の回りを保護し、根が充分に育つ。また、生分解性の素材なので、環境汚染の恐れがなく、取り外す必要がない。 The seedling cell root protection material of this invention has many small through-holes that allow water and air (oxygen) to pass through, so the medium will not be washed out by water, protecting the area around the roots of the seedlings and allowing the roots to grow. grows sufficiently. Also, since it is a biodegradable material, there is no risk of environmental pollution and there is no need to remove it.

図1は、本考案の第1の実施の形態の根保護材を装着して使用する苗木コンテナを示す全体正面図である。FIG. 1 is an overall front view showing a seedling container used with a root protection material attached thereto according to the first embodiment of the present invention. 図2(a)は、図1の根保護材を示す正面図、図2(b)は図2(a)の根保護材の製造途中の状態を示す説明図である。FIG. 2(a) is a front view showing the root protection material of FIG. 1, and FIG. 2(b) is an explanatory diagram showing a state in the middle of manufacturing the root protection material of FIG. 2(a). 図3は、本考案の第1の実施の形態の根保護材を装着した一個の苗木セルを示す平面図である。FIG. 3 is a plan view showing one seedling cell equipped with a root protection material according to the first embodiment of the present invention. 図4は、図3のA-A断面図である。FIG. 4 is a sectional view taken along line AA in FIG. 図5は、本考案の第2の実施の形態の根保護材を示す斜視図である。FIG. 5 is a perspective view showing a root protection material according to a second embodiment of the present invention.

〔根保護材の第1の実施の形態〕
以下、本考案の第1の実施の形態を図面に基づいて説明する。図1は本考案の第1の実施の形態の根保護材を装着して使用する苗木コンテナを示す全体正面図、図2(a)は図1の根保護材を示す正面図、図2(b)は図2(a)の根保護材の製造途中の状態を示す説明図、図3は本考案の第1の実施の形態の根保護材を装着した一個の苗木セルを示す平面図、図4は図3のA-A断面図である。図1、図4に示すように、本考案の第1の実施の形態の根保護材1を装着して使用する硬質合成樹脂製の苗木コンテナ2の矩形平板状の上板21には、複数(40個又は24個等)の円錐状の苗木セル3が、図1の左右方向及び図1の紙面に直交する方向に格子状に一体的に形成されている。苗木セル3は、上板21から下方に向かって縮径する円錐状に形成され、円錐状の内周面31の最上部には円形の開口部32が形成されている。苗木セル3の円錐状の側面33には、矩形溝状の空気根切り孔34が複数形成されている。また、苗木セル3の円盤形の底面35には、格子状の空気根切り孔36が形成されている。
[First embodiment of root protection material]
Hereinafter, a first embodiment of the present invention will be described based on the drawings. FIG. 1 is an overall front view showing a seedling container used with a root protection material according to the first embodiment of the present invention, FIG. 2(a) is a front view showing the root protection material in FIG. 1, and FIG. b) is an explanatory view showing the state in the middle of manufacturing the root protection material of FIG. 2(a); FIG. 3 is a plan view showing one seedling cell equipped with the root protection material of the first embodiment of the present invention; FIG. 4 is a sectional view taken along line AA in FIG. As shown in FIGS. 1 and 4, the rectangular flat upper plate 21 of the hard synthetic resin seedling container 2 to be used with the root protection material 1 of the first embodiment of the present invention attached has a plurality of (40 or 24, etc.) conical seedling cells 3 are integrally formed in a lattice shape in the left-right direction of FIG. 1 and in the direction orthogonal to the paper surface of FIG. The seedling cell 3 is formed in a conical shape whose diameter decreases downward from the upper plate 21, and a circular opening 32 is formed at the top of the conical inner peripheral surface 31. A plurality of rectangular groove-shaped air root cutting holes 34 are formed in the conical side surface 33 of the seedling cell 3. Further, in the disc-shaped bottom surface 35 of the seedling cell 3, a grid-like air root cutting hole 36 is formed.

図2(a)、図2(b)に示すように、本考案の第1の実施の形態の根保護材1は、生分解性のポリ乳酸を繊維状にした糸で成形されている。このポリ乳酸の糸を螺旋状に巻いた状態のものを積層した後で、熱を加えて加圧して薄い帯状の長尺物11を作る。この帯状の長尺物11を、苗木セル3の円錐状の内周面31と円盤形の底面35の内面351に密着するように円錐状に形成し、帯状の長尺物11の隣接部12は熱融着して接合し一体化する。図1、図3、図4に示すように、この根保護材1を苗木セル3の円形の開口部32から挿入し、苗木セル3の円錐状の内周面31と円盤形の底面35の内面351に密着させる。その後、根保護材1の中に培地4を詰めて苗木を植えて使用する。第1の実施の形態の根保護材1は、ポリ乳酸の不織布で成形してもよい。第1の実施の形態の根保護材1は、水と空気(酸素)を通す多数の小さな貫通孔が形成されている。従って、樹高の高い苗木や育苗期間が長期になる苗木を育てるために、苗木セル3の側面33の空気根切り孔34や底面35の空気根切り孔36が大きくても、培地4が水で流出することが無く、苗木の根の回りを保護し、根が充分に育つ。また、生分解性の素材なので、環境汚染の恐れがなく、取り外す必要がない。 As shown in FIGS. 2(a) and 2(b), the root protection material 1 according to the first embodiment of the present invention is made of thread made of biodegradable polylactic acid fibers. After the spirally wound polylactic acid threads are laminated, heat is applied and pressure is applied to form a thin strip-like elongated product 11. This strip-shaped elongated object 11 is formed into a conical shape so as to be in close contact with the conical inner circumferential surface 31 of the seedling cell 3 and the inner surface 351 of the disc-shaped bottom surface 35, and the adjacent part 12 of the strip-shaped elongated object 11 are joined and integrated by heat fusion. As shown in FIG. 1, FIG. 3, and FIG. It is brought into close contact with the inner surface 351. Thereafter, the root protection material 1 is filled with a medium 4 and a seedling is planted for use. The root protection material 1 of the first embodiment may be molded from a polylactic acid nonwoven fabric. The root protection material 1 of the first embodiment has a large number of small through holes through which water and air (oxygen) pass. Therefore, in order to grow seedlings with a high height or a long seedling period, even if the air root holes 34 on the sides 33 and the air root holes 36 on the bottom surface 35 of the seedling cell 3 are large, the medium 4 cannot be filled with water. There is no run-off, and the area around the roots of the seedlings is protected, allowing the roots to grow adequately. Also, since it is a biodegradable material, there is no risk of environmental pollution and there is no need to remove it.

〔根保護材の第2の実施の形態〕
図5は本考案の第2の実施の形態の根保護材5を示す斜視図である。図5の根保護材5は、麻、綿等の植物性の繊維素材、又は、羊毛等の動物性の繊維素材を、苗木セル3の円錐状の内周面31と円盤形の底面35の内面351に密着するように円錐状に形成し、生分解性の糊、又は粘着剤で固めたものである。第2の実施の形態の根保護材5は、植物性の素材や動物性の繊維素材を平織、綾織等で形成した織物である。織物であるので水を通す多数の小さな貫通孔が形成されている。従って、樹高の高い苗木や育苗期間が長期になる苗木を育てるために、苗木セル3の側面33の空気根切り孔34や底面35の空気根切り孔36が大きくても、培地4が水で流出することが無く、苗木の根の回りを保護し、根が充分に育つ。また、生分解性の素材と糊、粘着剤なので、環境汚染の恐れがなく、取り外す必要がない。なお、上記説明で理解されるように、水を通すための孔が形成されたものであれば、不織布であっても良い。
[Second embodiment of root protection material]
FIG. 5 is a perspective view showing a root protection material 5 according to a second embodiment of the present invention. The root protection material 5 in FIG. 5 is made of a vegetable fiber material such as hemp or cotton, or an animal fiber material such as wool, between the conical inner peripheral surface 31 and the disc-shaped bottom surface 35 of the seedling cell 3. It is formed into a conical shape so as to be in close contact with the inner surface 351, and is hardened with biodegradable glue or adhesive. The root protection material 5 of the second embodiment is a woven fabric made of a vegetable material or an animal fiber material in a plain weave, twill weave, or the like. Since it is a woven fabric, it has many small through holes that allow water to pass through. Therefore, in order to grow seedlings with a high height or a long seedling period, even if the air root holes 34 on the sides 33 and the air root holes 36 on the bottom surface 35 of the seedling cell 3 are large, the medium 4 cannot be filled with water. There is no run-off, and the area around the roots of the seedlings is protected, allowing the roots to grow adequately. In addition, since it is made of biodegradable materials, glue, and adhesive, there is no risk of environmental pollution and there is no need to remove it. Note that, as understood from the above description, any nonwoven fabric may be used as long as it has holes for allowing water to pass therethrough.

1…根保護材
11…帯状の長尺物
12…隣接部
2…苗木コンテナ
21…上板
3…苗木セル
31…内周面
32…開口部
33…側面
34…空気根切り孔
35…底面
351…内面
36…空気根切り孔
4…培地
5…根保護材
1... Root protection material 11... Long strip-shaped object 12... Adjacent part 2... Seedling container 21... Top plate 3... Seedling cell 31... Inner peripheral surface 32... Opening 33... Side surface 34... Air root cutting hole 35... Bottom surface 351 …Inner surface 36…Air root cut hole 4…Culture medium 5…Root protection material

Claims (3)

下方に向かって縮径する円錐状の空間を備えた苗木コンテナの苗木セルに使用するものであって、
前記空間の内周面に外周面が密着して接し、生分解性の弾性素材で作られ、水と空気を通す多数の貫通孔が形成され、苗木の根を保護するものである
ことを特徴とする苗木セルの根保護材。
A device for use in a seedling cell of a seedling container having a conical space that decreases in diameter toward the bottom,
The outer circumferential surface is in close contact with the inner circumferential surface of the space, is made of a biodegradable elastic material, and has a large number of through holes through which water and air can pass, thereby protecting the roots of the seedling. Root protection material for seedling cells.
請求項1に記載の苗木セルの根保護材において、
前記弾性素材は、植物性の繊維素材、又は動物性の繊維素材を生分解性の糊、又は粘着剤で固めものである
ことを特徴とする苗木セルの根保護材。
The seedling cell root protection material according to claim 1,
A root protection material for seedling cells, characterized in that the elastic material is a vegetable fiber material or an animal fiber material hardened with biodegradable glue or adhesive.
請求項2に記載の苗木セルの根保護材において、
前記弾性素材は、ポリ乳酸を繊維状にした糸を螺旋状にして積層したものである
ことを特徴とする苗木セルの根保護材。
The seedling cell root protection material according to claim 2,
A root protection material for seedling cells, characterized in that the elastic material is a spirally laminated layer of polylactic acid fiber threads.
JP2023003774U 2023-10-17 2023-10-17 Root protection material for seedling cells Active JP3244966U (en)

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