JP2013212072A - Field crop shading cultivation device - Google Patents

Field crop shading cultivation device Download PDF

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JP2013212072A
JP2013212072A JP2012084027A JP2012084027A JP2013212072A JP 2013212072 A JP2013212072 A JP 2013212072A JP 2012084027 A JP2012084027 A JP 2012084027A JP 2012084027 A JP2012084027 A JP 2012084027A JP 2013212072 A JP2013212072 A JP 2013212072A
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tube
light
crop
lid
crops
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JP5452652B2 (en
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Yoji Akutsu
洋二 阿久津
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Abstract

PROBLEM TO BE SOLVED: To provide a field crop shading cultivation device capable of accurately finding out field crops growing in a cylindrical body for shading and cultivating the field crops in white color, without pulling out the cylindrical body.SOLUTION: A device intended for crops which hate light, extend standing nearly upright on the ground, and are planned to be reaped at a stage of growing to a fixed height, includes: (a) a tube 1 having shading properties, capable of being arranged in a standing condition, striding over the crops, and having a height exceeding a reaping plan of the crops; (b) a cover body 3 made of a core plate material 4, and having shading properties by a film-like shading film body 7 leaking no light to the inside, and exhibiting flexibility allowing to rise by being pushed by growth of the crops; and (c) a bar-like measuring body 9 arranged in a standing condition on the upper part of the cover body 3 to be a guide of a reaping plan of the crops.

Description

本発明は、ホワイトアスパラガスや白ウドなどの細長い白色系農作物の栽培装置に関する。   The present invention relates to an apparatus for cultivating elongated white crops such as white asparagus and white udder.

アスアパガスなどの農作物の栽培では、光合成で新芽の色が緑に変わるのを抑えて、全体を白い状態の商品にするため、土を被せて光を遮って行う栽培方法が実施されているが、背が高く成長する作物に土を覆う作業には多くの労力と時間を要するため、これを改善することが試みられている。
例えば、下記特許文献１には、筒体を作物に被せて遮光する「植物体の遮光装置」が提案されている。 In the cultivation of crops such as asapagas, the cultivation method is carried out by covering the soil and blocking the light in order to suppress the change of the color of the shoots to green by photosynthesis and make the whole product white. Covering the soil with tall and growing crops requires a lot of effort and time, so attempts have been made to improve it.
For example, Patent Document 1 below proposes a “plant body shading device” that shields light by covering a crop with a cylinder.

特開２００５−２４５３７６号公報JP-A-2005-245376

上記特許文献１の「植物体の遮光装置」は、スパラガスの芽の上に筒体を被せることでスパラガスに光を当ないようにするものであるが、遮光させるため筒体は不透明なので内部を見ることができず、アスパラガスの成長の程度を知ることができない。このため最適時期に収穫するのを逸したり、又収穫時期の予定も立て難いという難点があった。
本発明は、上記事情に鑑みてなされたもので、遮光のため内部を透視できない筒体中の農作物の成長を、筒体を抜き取ることなく一目で農作物の成長の程度を知ることが可能となる農作物遮光栽培装置を提供するものである。 The “plant shading device” in the above-mentioned Patent Document 1 is intended to prevent light from being applied to the spars by covering the sprout bud with a cylinder. I can't see it and I can't know the extent of asparagus growth. For this reason, there was a difficulty that it was difficult to miss harvesting at the optimal time or to schedule the harvesting time.
The present invention has been made in view of the above circumstances, and makes it possible to know at a glance the degree of growth of a crop in a cylinder that cannot be seen through due to light shielding without removing the cylinder. A crop shading cultivation apparatus is provided.

上記課題を解決するため、本発明の農作物遮光栽培装置は以下の構成とした。
即ち、請求項１の発明においては、光を嫌い、地上に略直立して伸び、一定の高さに成長した段階で刈り取り予定となる作物を対象とし、ａ）遮光性を備え、前記作物の上を跨いで立設可能で、前記作物の刈取り予定を越える高さを備えたチューブと、ｂ）内部に光を漏らさない遮光性と、前記作物の成長に押されて上昇可能な可撓性とを有する蓋体と、ｃ）該蓋体の上部に設けた前記作物の刈り取り予定の目安となる計測体と、から成ることを特徴とする。 In order to solve the above problems, the crop shading cultivation apparatus of the present invention has the following configuration.
That is, in the invention of claim 1, the object is a crop which dislikes light, extends substantially upright on the ground, and is scheduled to be harvested at a stage where it grows to a certain height. A tube that can be erected across the top and has a height that exceeds the planned cutting of the crop, b) a light-shielding property that does not leak light inside, and a flexibility that can be pushed up by the growth of the crop And c) a measuring body provided on the upper portion of the lid, which serves as a measure for cutting the crop.

請求項２の発明は、上記発明において、前記チューブが、弾力性を有する合成樹脂製の巻付けチューブを短く切断して得た平板状のチューブに、変形し難い硬質合成樹脂製のリングを前記チューブの外周の少なくとも上下２箇所に嵌着して強制的に円筒状に変形させたチューブであることを特徴とする。   According to a second aspect of the present invention, in the above-mentioned invention, the tube is a flat tube obtained by cutting a flexible synthetic resin winding tube into a flat tube, and the hard synthetic resin ring is not easily deformed. It is a tube that is fitted into at least two locations on the outer periphery of the tube and forcedly deformed into a cylindrical shape.

請求項３の発明は、上記発明において、前記蓋体が、チューブの径より長い縦幅部と短い横幅部とを有し、前記縦幅部の先端部が前記チューブ内で両側から拘束されて断面逆Ｕ字形に湾曲するとともに復元力で該チューブ内周面を押圧して板面中央部を水平に維持可能とした芯板材と、前記芯板材の上面に張設され、前記チューブの輪切り断面積より大きい面積を有し、遮光性を備えた膜状の遮光膜体と、から成ることを特徴とする。   According to a third aspect of the present invention, in the above invention, the lid body has a vertical width portion that is longer than a diameter of the tube and a short horizontal width portion, and a distal end portion of the vertical width portion is restrained from both sides in the tube. A core plate material that is curved in an inverted U-shaped cross section and presses the inner peripheral surface of the tube with a restoring force so that the central portion of the plate surface can be maintained horizontally, and is stretched on the upper surface of the core plate material, A film-shaped light-shielding film body having an area larger than the area and having a light-shielding property.

請求項４の発明は、上記発明において、前記芯板材を、縦幅部の横幅を先端部は広く且つ基端部から中間部は狭く形成したことを特徴とする。   The invention of claim 4 is characterized in that, in the above invention, the core plate material is formed such that the lateral width of the longitudinal width portion is wide at the distal end portion and narrow from the proximal end portion to the intermediate portion.

請求項５の発明は、上記発明において、前記チューブの輪切り断面積より大きい面積を有し、遮光性を備えた膜状の補助遮光膜体を、遮光膜体に重ねるとともに周囲をスカート状に捲り上げて遮光膜体の上面に付着させたことを特徴とする。   According to a fifth aspect of the present invention, in the above invention, a film-like auxiliary light-shielding film body having an area larger than the cross-sectional cross-sectional area of the tube and having light shielding properties is overlapped on the light-shielding film body, and the periphery is wound in a skirt shape It is raised and adhered to the upper surface of the light shielding film body.

請求項６の発明は、上記発明において、前記蓋体に、前記チューブの内周面に沿って下方へ伸びる傾き防止板を設けたことを特徴とする。   The invention of claim 6 is characterized in that, in the above invention, the lid is provided with an inclination preventing plate extending downward along the inner peripheral surface of the tube.

請求項７の発明は、上記発明において、前記計測体に、高さ方向の目盛を設けたことを特徴とする。   The invention of claim 7 is characterized in that, in the above invention, the measuring body is provided with a scale in the height direction.

請求項８の発明は、上記発明において、前記作物上に設置したチューブを略直立状態で吊上げる吊上げ手段を備えたことを特徴とする。   The invention of claim 8 is characterized in that, in the above invention, there is provided lifting means for lifting a tube installed on the crop in a substantially upright state.

本発明の農作物遮光栽培装置をアスパラガス等の作物栽培に用いたとき、アスパラガスなどの作物の芽出しした新芽に被せると、光が遮られて新芽の光合成が行えず白い状態となって根からの栄養で成長する。その際、その新芽の成長に合わせて前記蓋体がチューブの内にスライドして押し上げられて行く。
そして、該記蓋体が一定の高さになると、前記チューブの上部開口からに計測体が突出して行く。そしてこの計測体の突出した部分の長さで中の作物の新芽の成長の程度を正確に計り知ることが可能となる。
このため、作物を収穫する予定の長さを決めておけば、前記計測体の突出し長さを見て的確な収穫が行える。 When the crop shading cultivation device of the present invention is used for cultivation of crops such as asparagus, if it is put on the sprout of a crop such as asparagus, the light will be blocked and the photosynthesis of the sprout will not be performed and it will become a white state from the root Grows with nourishment. At that time, the lid slides into the tube and is pushed up as the shoots grow.
When the recording lid reaches a certain height, the measuring body protrudes from the upper opening of the tube. The length of the protruding portion of the measuring body makes it possible to accurately measure and know the degree of shoot growth in the crop.
For this reason, if the length for which the crop is scheduled to be harvested is determined, the harvesting length of the measuring body can be seen to perform accurate harvesting.

その際、前記蓋体を構成する芯板材や遮光膜体は薄く軽く、前記チューブ内周面と前記蓋体との摩擦抵抗も可撓性の調節で少なくすることができるので、新芽の成長を上から抑える程のストレスを与えることなく作物を正常に成長させることができる。   At that time, the core plate material and the light shielding film constituting the lid are thin and light, and the frictional resistance between the inner peripheral surface of the tube and the lid can be reduced by adjusting the flexibility. Crop can be grown normally without giving enough stress to suppress from above.

本発明の請求項２の発明においては、１本の巻かれて潰れていた状態の長いチューブを短く切ることで多数のチューブが容易に得られる。そして使用時には該チューブは円筒形に広げることは硬質のリングを嵌めることで強制的に開拡させることで円筒状とすることができる。そして、そのリングのチューブへの装着は、単に嵌めるだけなので大変簡単である。
このチューブを使用すれば、硬質樹脂のパイプを短く切って使用するよりは大変廉価に所用のチューブが得られる。
又、使用しない時には、前記蓋体は、リングを抜取って平坦に潰すことで、筒状のままの場合と較べて容積を大幅に減少させることができ、保管容器への格納や運搬に要するコストが少なくて済む。 In the invention of claim 2 of the present invention, a large number of tubes can be easily obtained by cutting a single long tube that has been rolled up and crushed. At the time of use, the tube can be expanded into a cylindrical shape by forcibly expanding the tube by fitting a hard ring. And the attachment of the ring to the tube is very simple because it is simply fitted.
If this tube is used, the required tube can be obtained at a much lower cost than using a hard resin pipe cut short.
In addition, when not in use, the lid body can be reduced in volume by removing the ring and flattening it, compared with the case where it remains in a cylindrical shape, and is required for storage and transportation in a storage container. Cost is low.

請求項３の発明においては、前記チューブ内を前記蓋体が昇降するときの前記芯板材の可撓性による抵抗力は、前記芯板材の板厚が薄いほど小さく、厚い場合には大きくなる。過度に大きいと前記蓋体が作物の成長を抑えて上昇できなくなる。
このような可撓性による抵抗力をより少なくするために、該芯板材の縦幅部の幅を小さく形成することが可能である。
縦幅部の幅を小さくすると湾曲させたときの復元力が小さくなり、前記チューブ内を昇降するときの抵抗力を減少させ、作物に与えるストレスをより少なくすることが可能となる。 In the invention of claim 3, the resistance force due to the flexibility of the core plate material when the lid moves up and down in the tube is smaller as the plate thickness of the core plate material is thinner, and is larger when it is thicker. If the size is excessively large, the lid cannot control the growth of the crop and cannot rise.
In order to reduce the resistance due to such flexibility, it is possible to reduce the width of the longitudinal width portion of the core plate material.
If the width of the vertical width portion is reduced, the restoring force when bent is reduced, the resistance force when moving up and down in the tube is reduced, and the stress applied to the crop can be further reduced.

請求項４に記載の発明においては、前記芯板材の縦幅部の先端部を幅広く形成することで、縦幅部の先端部に被る遮光膜体とチューブの内周面との密接性を高め、前記遮光膜体とチューブの内周面との間に発生する隙間を少なくすることが可能となる。
更に基端部から中間部を狭く形成することで縦幅部を湾曲させたときの復元力を小さくさせることができ、この結果前記チューブ内を昇降するときの抵抗力を減少させて作物に与えるストレスを更に少なくすることが可能となる。 In the invention according to claim 4, by forming a wide end portion of the longitudinal width portion of the core plate material, the close contact between the light shielding film body covering the distal end portion of the longitudinal width portion and the inner peripheral surface of the tube is improved. The gap generated between the light shielding film body and the inner peripheral surface of the tube can be reduced.
Further, by forming the middle part narrow from the base end part, it is possible to reduce the restoring force when the vertical width part is bent, and as a result, the resistance force when raising and lowering the inside of the tube is reduced and given to the crop. The stress can be further reduced.

請求項５に記載の発明においては、前記補助遮光膜体が前記遮光膜体の上面でチューブの上部開口から侵入しようとする光を二重に遮断することが可能となる。
そして、前記遮光膜体とチューブとの間にたとえ隙間が発生したとしても、その上から前記補助遮光膜体が隙間の発生を防ぎ、光をより確実に遮断させることが可能となる。 In the invention according to claim 5, it becomes possible for the auxiliary light shielding film body to doubly block light which is about to enter from the upper opening of the tube on the upper surface of the light shielding film body.
Even if a gap is generated between the light-shielding film body and the tube, the auxiliary light-shielding film body prevents the generation of the gap from above and can more reliably block light.

請求項６に記載の発明においては、チューブの内周面に傾き防止板が接触して傾き防止板が縦になって支持されることで、前記芯板材の傾きが防止される。そして、蓋体が傾いたり、斜めに引っ掛かったりすることなく円滑に上昇させることが可能となる。
特に、新芽がチューブの中心から外側に反れて成長したり、チューブを多少斜めに立ててたとしても、新芽に押されてチューブ内の蓋体を正常に上昇させることが可能となる。 In the invention according to claim 6, the inclination preventing plate comes into contact with the inner peripheral surface of the tube and the inclination preventing plate is supported vertically, thereby preventing the inclination of the core plate material. And it becomes possible to raise smoothly, without a cover body inclining or catching diagonally.
In particular, even if the sprout grows outward from the center of the tube or the tube is stood slightly obliquely, the lid in the tube can be raised normally by being pushed by the sprout.

請求項７に記載の発明においては、前記計測体に設けた目盛で、チューブの中で外から見えない作物の成長を、作物からチューブを外すことなく、一目で正確に計測することが可能となる。   In the invention according to claim 7, it is possible to accurately measure at a glance the growth of the crop that is not visible from outside in the tube, without removing the tube from the crop, with the scale provided on the measuring body. Become.

請求項８に記載の発明においては、吊糸又は吊紐でチューブを吊上げる吊上げ手段を備えることで、作物の真上から垂らした吊糸又は吊紐で、作物の上に跨ぐようにチューブを被せて、直立状態とさせることが可能となる。
その際、チューブへリングを装着する態様では、該チューブの外周面とリング内周面との間に糸を挟むことで、吊糸又は吊紐の先端部寄りを簡単に固定できる。この場合、チューブは軽いので自然に引き抜けてしまうことはなく、又収穫が終わってチューブを吊糸又は吊紐から外そうとするときには、その吊糸又は吊紐を軽く引くだけ簡単に外すことが可能となる。 In the invention according to claim 8, by providing a lifting means for lifting the tube with a hanging thread or a hanging string, the hanging line or the hanging string hanging from right above the crop, the tube is placed over the crop. It is possible to put it upright.
At this time, in the aspect in which the ring is attached to the tube, the end of the hanging thread or the hanging strap can be easily fixed by sandwiching the thread between the outer peripheral surface of the tube and the inner peripheral surface of the ring. In this case, since the tube is light, it will not be pulled out naturally, and when harvesting is finished and the tube is to be removed from the hanging thread or hanging strap, it should be removed simply by pulling the hanging thread or hanging string lightly. Is possible.

（イ）は巻付けチューブを示す斜視図であり、（ロ）及び（ハ）は短く切断したチューブを示す斜視図である。(A) is a perspective view showing a winding tube, (B) and (C) are perspective views showing a tube cut short. （イ）は巻付けチューブを示す斜視図であり、（ロ）は短く切断したチューブを示す斜視図である。(A) is a perspective view which shows a winding tube, (b) is a perspective view which shows the tube cut | disconnected shortly. 本発明の（イ）は斜視図であり、（ロ）は底面図である。(A) of the present invention is a perspective view, and (b) is a bottom view. 別の形態の底面図である。It is a bottom view of another form. また別の形態の底面図である。It is a bottom view of another form. 本発明の蓋体を示す斜視図である。It is a perspective view which shows the cover body of this invention. 別の形態の蓋体を示す斜視図である。It is a perspective view which shows the cover body of another form. また別の形態の蓋体を示す斜視図である。It is a perspective view which shows the cover body of another form. 本発明の使用状態を示す斜視図である。It is a perspective view which shows the use condition of this invention. 本発明の（イ）がアスパラガスの上端が上昇体に接触前の成長段階を示し、（ロ）がアスパラガスが上昇体が押し上げて上昇中の状態を示し、（ハ）が成長によって計測体を上部に突出させて上昇させている状態を示す各縦断側面図である。(A) of the present invention shows the growth stage before the upper end of the asparagus contacts the ascending body, (b) shows the state of asparagus being pushed up by the ascending body, and (c) shows the measuring body by the growth. It is each vertical side view which shows the state which protrudes to the upper part and is made to raise.

本発明の実施形態を、以下本発明の実施例を示す図に基づいて説明する。
本発明は、図３の（イ）及び（ロ）に示すように、円筒状のチューブ１内に蓋体３を内蔵した農作物遮光栽培装置である。
該チューブ１は中にアスパラガスなどの農作物の芽が成長する際に、新芽が中央部になるように立てて周囲を囲うものであり、該作物の収穫時まで覆うことできるように、該チューブ１の長さを使用する作物の高さに合わせて決める。
そして、該チューブ１の中に外部の光が入らないように、チューブ１自体が遮光性を有する材質の物や、表面を黒く塗った物を使用する。 Embodiments of the present invention will be described below with reference to the drawings showing examples of the present invention.
As shown in FIGS. 3A and 3B, the present invention is a crop shading cultivation apparatus in which a lid 3 is built in a cylindrical tube 1.
The tube 1 is configured so that when a shoot of a crop such as asparagus grows, a new shoot is placed in a central portion so as to surround the shoot, so that the tube 1 can be covered until the crop is harvested. The length of 1 is decided according to the height of the crop to be used.
In order to prevent external light from entering the tube 1, the tube 1 itself is made of a material having a light shielding property or the surface of which is painted black.

前記チューブ１内に納める前記蓋体３は、図３の（イ）及び（ロ）に示すように、前記作物の成長に押される上昇可能な可撓性とを有する芯板材４と、該芯板材４に張設した遮光性を有する遮光膜体７と、作物の成長の目安を見る計測体９とから成る。   As shown in FIGS. 3A and 3B, the lid body 3 accommodated in the tube 1 includes a core plate material 4 having a riseable flexibility pushed by the growth of the crop, and the core. It consists of a light-shielding film body 7 having a light-shielding property stretched on the plate material 4 and a measuring body 9 for monitoring the crop growth.

該蓋体３を構成する芯板材４は、薄い弾発性合成樹脂製の可撓性を有する板材で作成し、前記チューブ１の内周面に拘束されて、図１０に示すように、上方への移動を可能とする。
このため、該芯板材４は前記板材を、図３の（ロ）に示すように、チューブ１の径より長い縦幅部５と短い横幅部６とで十字形に形成し、図１０に示すように、前記縦幅部５の先端部が前記チューブ１内で両側から拘束されて断面逆Ｕ字形に湾曲するとともに復元力で該チューブ１の内周面を押圧して横幅部６部分の板面中央部を略水平に維持可能とする。 The core plate material 4 constituting the lid body 3 is made of a flexible plate material made of a thin elastic synthetic resin, and is restrained by the inner peripheral surface of the tube 1 so as to move upward as shown in FIG. To move to.
For this reason, the core plate material 4 is formed in a cross shape with a vertical width portion 5 longer than the diameter of the tube 1 and a short horizontal width portion 6 as shown in FIG. As described above, the distal end portion of the vertical width portion 5 is constrained from both sides in the tube 1 and curved in an inverted U-shaped cross section, and the inner peripheral surface of the tube 1 is pressed by a restoring force so as to be a plate of the horizontal width portion 6 portion. The center of the surface can be maintained substantially horizontal.

又前記遮光膜体７は、黒い色の耐水性及び通気性を有する柔らかい合成繊維布や不織布等の薄膜材を用い、図３の（ロ）及び図６に示すように、前記芯板材４の上面中央部で固着し、その大きさは、チューブ１の上部からの光の侵入を遮ることができるように前記チューブ１の輪切り断面積より大きい面積とする。   The light-shielding film body 7 uses a thin film material such as a soft synthetic fiber cloth or non-woven fabric having black water resistance and air permeability, and as shown in FIGS. It is fixed at the center of the upper surface, and its size is larger than the cross-sectional area of the tube 1 so that light can be prevented from entering from the upper part of the tube 1.

又、前記計測体９は、図３の（イ）及び図６に示すように、前記芯板材４の上部に直立させて設ける。
その設置位置は、図６では前記芯板材４の横幅部６の両端に直立させた態様を示しているが、該芯板材４の上部であれば、この他の部分に直立させても良い。 The measuring body 9 is provided upright on the upper part of the core plate member 4 as shown in FIG.
In FIG. 6, the installation position is shown as being upright at both ends of the width portion 6 of the core plate material 4, but may be upright at other portions as long as it is an upper portion of the core plate material 4.

そして、本発明は、図９に示すように、 該蓋体３を内部に装着したチューブ１をアスパラガスの新芽Ａ４に被せるようにして培土上に立て、周囲から新芽Ａ４に当たる光の侵入を遮断し、光合成ができずに根からの栄養で白く成長した新芽が、図１０の（イ）、（ロ）、（ハ）の順に前記チューブ１内の蓋体３を押し上げる。そして、前記計測体９が前記チューブ１内の上部の開口部から突出すると、前記計測体９の長さを把握していればその突出した長さで中の作物の高さを計算することが可能となる。
そして、前記チューブ１を外さずに外から見て、予定した所望の高さに成長したことが確認できた作物は、正確に予定通りのサイズで収穫されこととなる。 Then, as shown in FIG. 9, the present invention stands on the culture soil so that the tube 1 fitted with the lid 3 is covered with the asparagus sprouts A4, and blocks the intrusion of light hitting the sprouts A4 from the surroundings. Then, the new shoots that have failed to be photosynthesized and have grown white with nutrients from the roots push up the lid 3 in the tube 1 in the order of (a), (b), and (c) in FIG. And if the said measurement body 9 protrudes from the upper opening part in the said tube 1, if the length of the said measurement body 9 is grasped | ascertained, the height of the inside crop can be calculated with the protruding length. It becomes possible.
Then, a crop that has been confirmed to have grown to a predetermined desired height when viewed from the outside without removing the tube 1 is accurately harvested in a predetermined size.

前記チューブ１は、黒色の遮光性を有する円筒状の合成樹脂製の硬質パイプを使用した場合、図５に示すように、そのままその中に前記遮光膜体７を入れて装着することができるが、図１の（イ）に示すように、黒い遮光性を有する柔軟な合成樹脂製の巻付けチューブＲをカットして得られた短いチューブ１を使用することも可能である。このチューブ１は、巻付けチューブＲを短く切って大量に得られ、得られた平坦状のチューブは容器に嵩張らずに収納することができる利点がある。   When the tube 1 is a cylindrical synthetic resin hard pipe having a black light-shielding property, as shown in FIG. 5, the light-shielding film body 7 can be put in the tube 1 as it is. As shown in FIG. 1A, it is also possible to use a short tube 1 obtained by cutting a flexible synthetic resin winding tube R having a black light shielding property. The tube 1 is obtained in a large amount by cutting the winding tube R short, and the obtained flat tube has an advantage that it can be stored in a container without being bulky.

そこで、次に該巻付けチューブＲから得られるチューブ１を使用した実施例に基づいて、アスパラガスの栽培例でさらに詳細に説明する。   Then, based on the Example which uses the tube 1 obtained from this winding tube R, it demonstrates still in detail in the cultivation example of asparagus.

該実施例においては、図１の（イ）に示すように、遮光性と弾力性を有する塩化ビニールなどの合成樹脂製の巻付けチューブＲを、図の（ロ）に示すように、アスパラガスの収穫長さ２５ｃｍに合わせたチューブカット部Ｋで３０ｃｍの長さに短く切断して得た６ｃｍ径のチューブ１を用いる。
この形態では、図３に示すように、前記チューブ１の外周の少なくとも上下２箇所に６ｃｍ径の硬質合成樹脂製のリング２を嵌め、潰れていた前記チューブ１を円筒状となるように強制的に開拡させる。
そして、該円筒状に開いたチューブ１内に、内部で成長するアスパラガスに押されて上昇する蓋体３を装着する。 In this embodiment, as shown in FIG. 1 (a), a winding tube R made of a synthetic resin such as vinyl chloride having a light shielding property and elasticity is used as shown in FIG. 1 (b). A tube 1 having a diameter of 6 cm obtained by cutting to a length of 30 cm with a tube cut portion K adjusted to a harvest length of 25 cm is used.
In this embodiment, as shown in FIG. 3, a hard synthetic resin ring 2 having a diameter of 6 cm is fitted into at least two places on the outer periphery of the tube 1 to force the crushed tube 1 into a cylindrical shape. To spread.
Then, the lid 3 that is pushed up by the asparagus growing inside is installed in the tube 1 that is opened in a cylindrical shape.

前記巻付けチューブＲ、例えば、農業用で給水するための合成樹脂製巻付けチューブが、遮光性と弾力性を有しているので、これを短く切って利用することができる。
その際に、図１の（ハ）に示すように、平坦状に折り畳まれたチューブ１の少なくとも１箇所のコーナー部分を斜めに切り取り面取り部１２を形成すると、その面取り部１２側から前記リング２が差し込み易くなり、前記リング２の差し込みを多量に行う場合に作業能率を上げるこが可能となる。
又、図２の（イ）及び（ロ）に示すように、円筒形の黒いゴム製のチューブを平坦に潰して巻付けた巻付けチューブＲを用い、これを短く切って円筒形に復元したチューブ１を利用することも可能である。 Since the winding tube R, for example, a synthetic resin winding tube for supplying water for agriculture, has light shielding properties and elasticity, it can be used by cutting it short.
At this time, as shown in FIG. 1C, at least one corner portion of the tube 1 folded into a flat shape is cut obliquely to form a chamfered portion 12, and the ring 2 is formed from the chamfered portion 12 side. This makes it easier to insert the ring 2 and increases the work efficiency when the ring 2 is inserted in a large amount.
Further, as shown in FIGS. 2A and 2B, a winding tube R obtained by flatly crushing a cylindrical black rubber tube was used, and this was cut into a short shape and restored to a cylindrical shape. It is also possible to use the tube 1.

上記の如く平坦状に潰れているチューブ１を円筒状となるように強制的に開拡するためには、潰れているチューブ１の幅よりも小さい径の真円形の硬質合成樹脂製のリング２を使用するが、図１の（ロ）及び（ハ）に示した平坦なチューブ１にこれを嵌めると、図３に示すように、潰れているチューブ１を両側を押圧してチューブ１を強制的に円筒状に広げて、その円形の状態を維持させることが可能となる。
このリング２は、前記チューブ１の一方端部側だけに装着しても、他方端部側では開ききらず、前記チューブ１の全体を円筒状に維持することは難しいので前記チューブ１の少なくとも上下２箇所に嵌めて使用する。
前記チューブ１が長い場合には、１つのチューブ１に対して前記リング２を等間隔に数個使用することが必要となる場合もある。 In order to forcibly expand the tube 1 crushed flat as described above into a cylindrical shape as described above, a ring 2 made of a true circular hard synthetic resin having a diameter smaller than the width of the crushed tube 1. However, if this is fitted to the flat tube 1 shown in FIGS. 1B and 1C, the tube 1 is forced by pressing the crushed tube 1 on both sides as shown in FIG. Thus, it is possible to maintain the circular state by expanding it into a cylindrical shape.
Even if this ring 2 is mounted only on one end side of the tube 1, it does not open on the other end side, and it is difficult to maintain the entire tube 1 in a cylindrical shape. Fit it in place.
When the tube 1 is long, it may be necessary to use several rings 2 at equal intervals for one tube 1.

そして、前記チューブ１内に入れる前記蓋体３については、図６に示すように、芯板材４を、０．３ｍｍの薄い弾発性合成樹脂製の可撓性を有する板材を用いて、円筒状の前記チューブ１の径より短い５.５ｃｍ長さの横幅部６と、前記チューブ１の径より長い７ｃｍ長さの縦幅部５とて十字形を形成する。
そして、該芯板材４の上面に遮光膜体７を広げて付着し、更に前記芯板材４の短い横幅部６側の対向両端に上方に向けて棒状の長さ１０ｃｍの計測体９を直立させて設ける。 And as for the said cover body 3 put in the said tube 1, as shown in FIG. 6, the core board material 4 is cylindrical using the board material which has flexibility made from 0.3 mm thin elastic synthetic resin. A cross section is formed by a horizontal width portion 6 having a length of 5.5 cm shorter than the diameter of the tube 1 and a vertical width portion 5 having a length of 7 cm longer than the diameter of the tube 1.
Then, a light-shielding film body 7 is spread and attached to the upper surface of the core plate material 4, and a rod-shaped measuring body 9 having a length of 10 cm is erected upward at opposite opposite ends on the short width portion 6 side of the core plate material 4. Provide.

前記芯板材４は、板厚は０．３ｍｍと薄く、前記アスパラガスの成長に押されて上昇可能な可撓性が得られる弾発性に優れたアクリル樹脂を用いる。
そして、前記芯板材４の上面に遮光膜体７が固着された蓋体３を、前記リング２で円筒状に開拡された前記チューブ１内に、図１０に示すように、前記チューブ１の径より両端部間が長い縦幅部５の各先端部を下方へ湾曲させて断面逆Ｕ字形に湾曲させた状態で装着する。
前記芯板材４の可撓性の程度は、前記チューブ１内をアスパラガスの成長に押されて蓋体３が上昇可能となる程度より小さい摩擦抵抗が得られるものを用いる。そして、湾曲に曲げたときの復元力で円筒状の前記チューブ１内を自然落下しないように蓋体３が支持され、アスパラガスにストレスをできるだけ与えず、成長を妨げないように薄くて軽いものを用いる。 The core plate material 4 is made of an acrylic resin that is thin and has a thickness of 0.3 mm, and is excellent in elasticity that can be raised by the growth of the asparagus.
Then, as shown in FIG. 10, the lid 3 having the light shielding film body 7 fixed to the upper surface of the core plate material 4 is expanded into a cylindrical shape by the ring 2. Each tip portion of the vertical width portion 5 whose end portion is longer than the diameter is bent downward and is mounted in a state of being bent into an inverted U-shaped cross section.
The degree of flexibility of the core plate material 4 is such that a frictional resistance smaller than the extent that the lid 3 can be lifted by being pushed by the growth of asparagus in the tube 1 is used. The lid 3 is supported so that it does not fall naturally in the cylindrical tube 1 by the restoring force when bent into a curve, and it is thin and light so that it does not give as much stress to the asparagus and does not hinder growth. Is used.

該芯板材４の前記チューブ１内を昇降するときの抵抗力は、前記芯板材４の板厚が薄いほど小さくなるが、より抵抗力をより少なくするためには、図４に示すように、該芯板材４の縦幅部５の基端部から中間部にかけての幅を小さくした狭幅部５ａを形成すると良い。
この形態では、該芯板材４は該狭幅部５ａ部分の折り曲げて復元する弾発力が小さくなり、前記チューブ１内を昇降するときの抵抗力を減少させることが可能となる。
又、この形態の場合、前記芯板材４の縦幅部５の先端部は幅広く形成することで、縦幅部５の先端部に被る遮光膜体とチューブ１の内周面との密接性を高め、前記遮光膜体７とチューブ１の内周面との間に発生する隙間を少なくすることが可能となる。
なお、遮光膜体７での遮光性を、更に高めるために前記芯板材４の色は黒いものを使用すると良い。 The resistance force when the core plate material 4 is moved up and down in the tube 1 is smaller as the thickness of the core plate material 4 is thinner, but in order to reduce the resistance force, as shown in FIG. It is preferable to form a narrow width portion 5a in which the width from the base end portion to the middle portion of the longitudinal width portion 5 of the core plate material 4 is reduced.
In this embodiment, the core plate material 4 has a small elastic force that is restored by bending the narrow portion 5a, and the resistance force when the tube 1 is raised and lowered can be reduced.
In the case of this embodiment, the end of the longitudinal width portion 5 of the core plate material 4 is formed wide so that the light shielding film body covering the distal end of the longitudinal width portion 5 and the inner peripheral surface of the tube 1 are in close contact. The gap generated between the light-shielding film body 7 and the inner peripheral surface of the tube 1 can be reduced.
In order to further improve the light shielding property of the light shielding film body 7, the core plate material 4 may be black.

前記遮光膜体７は、図４及び図５に示すように、周縁が開拡された前記チューブ１内の全周に接して該チューブ１内周面１３との間に隙間を生じることなく遮光できる大きさに形成する。
その材料は、黒い合成樹脂膜などで薄くて軽く、高い遮光性が得られる材質のもので、ある程度の弾力性を備え、外周が前記チューブ１の内周面の形状に追随して変形するものを用いる。
その理由は、該チューブ１をリング２で広げた形態では、図３の（ロ）に示すように、真円とはならず、平坦に畳んだときの折り目部分に若干の隙間ができ易いからである。
この遮光膜体７の遮光性をさらに高めるため、図５に示すように、前記芯板材４の縦幅部の先端部の幅を大きくしてその部分が沿わせるように形成すれば、前記芯板材４の縦幅部と前記チューブ１の内周面との間の隙間をより少なくし遮光性を高めることが可能となる。 As shown in FIGS. 4 and 5, the light-shielding film body 7 is in contact with the entire circumference of the tube 1 whose peripheral edge is widened, and shields light without generating a gap between the inner circumferential surface 13 of the tube 1. Form as large as possible.
The material is a thin and light material such as a black synthetic resin film that provides high light-shielding properties, has a certain degree of elasticity, and the outer periphery deforms following the shape of the inner peripheral surface of the tube 1 Is used.
The reason is that in the form in which the tube 1 is expanded with the ring 2, as shown in FIG. 3 (b), it is not a perfect circle, and a slight gap is easily formed in the fold portion when folded flat. It is.
In order to further improve the light-shielding property of the light-shielding film body 7, as shown in FIG. 5, if the width of the front end portion of the core plate material 4 is increased so that the portion is along, the core It is possible to reduce the gap between the vertical width portion of the plate member 4 and the inner peripheral surface of the tube 1 and improve the light shielding property.

前記計測体９は、図３の（イ）及び図６に示すように、前記芯板材４に上部にアスパラガスを収穫するための長さを決める長さの目安となる１０ｃｍ程度の細長いプラスチック製の棒状体又は板状体を直立する。
前記芯板材４は、中央に１本直立させてもアスパラガスの成長を知る目安になるが、前記蓋体３には多少の傾きが生じるので、正確に知るためには、図５に示すように、前記芯板材の横幅部６の対向両端に上方に向けて２本直立させると良い。この態様では、チューブ１の上端から突出した部分の２本の長さの平均値を出せばアスパラガスの成長の程度を正確に知ることができる。 As shown in FIGS. 3A and 6, the measuring body 9 is made of a long and thin plastic having a length of about 10 cm, which serves as a standard for determining the length for harvesting asparagus on the core plate material 4. The rod-shaped body or plate-shaped body is upright.
The core plate material 4 can be a guideline for knowing the growth of asparagus even if it is erected in the center, but since the lid 3 is slightly inclined, in order to know it accurately, as shown in FIG. In addition, it is preferable that two of the core plate members are erected upward at opposite opposite ends of the lateral width portion 6. In this aspect, if the average value of the two lengths of the portion protruding from the upper end of the tube 1 is obtained, the degree of asparagus growth can be accurately known.

又、図８に示すように、前記蓋体３の計測体９に高さ方向の目盛１０を設けることもできる。この形態では、図１０に示すように、アスパラガスの成長に合わせて変化する計測体９の目盛１０部分のチューブ１上端からの突出量が読み取れ、より正確にアスパラガスの成長を知ることが可能となる。
この計測体９の目盛は、筒体３中の作物の成長高さを外から知るものであり、その目盛線が筒体３の開口部に現れたときの中作物の生長高さであることを示す数字を書き入れておくことができる。
又、高さごとに異なる色で色分けした目盛を設けることもできる。この場合、例えば赤、青、黄の三色を下から順に着色すれば、黄色が目視されたら収穫準備をし、青が見えたら収穫開始し、赤が見えたら青よりも優先的に収穫することとするというように外から見える色で収穫のタイミングを決めることが可能となる。 Further, as shown in FIG. 8, a scale 10 in the height direction can be provided on the measuring body 9 of the lid 3. In this embodiment, as shown in FIG. 10, the amount of protrusion from the upper end of the tube 1 of the scale 10 portion of the measuring body 9 that changes according to the growth of asparagus can be read, and it is possible to know the growth of asparagus more accurately. It becomes.
The scale of the measuring body 9 is for knowing the growth height of the crop in the cylinder 3 from the outside, and is the growth height of the medium crop when the scale line appears at the opening of the cylinder 3. You can enter a number to indicate.
Also, it is possible to provide a scale with different colors for each height. In this case, for example, if three colors of red, blue, and yellow are colored in order from the bottom, when yellow is visually observed, preparation for harvesting is started, when blue is visible, harvesting starts, and when red is visible, harvesting is given priority over blue. It is possible to determine the timing of harvesting with colors that can be seen from the outside.

以上でアスパラガスを例に実施例を説明したが、次に本発明の各種形態について詳しく説明する。
例えば、図７に示すように、前記遮光膜体７の上に前記蓋体３の遮光膜体７の中央部から内周面に向って上向きにスカート状に捲り上げて該遮光膜体７の中央に付着させた補助遮光膜体８を設けるこが可能である。
該補助遮光膜体３を前記遮光膜体７の上面に備えることで、前記チューブ１の上部開口から侵入しようとする光を前記遮光膜体７とで二重に光を遮断することが可能となる。そして、前記チューブ内周面と前記遮光膜体７との間に生じる隙間から漏れる光を確実に遮断させることが可能となる。 The embodiment has been described above by taking asparagus as an example. Next, various embodiments of the present invention will be described in detail.
For example, as shown in FIG. 7, the light shielding film body 7 is rolled up on the light shielding film body 7 in a skirt shape upward from the center of the light shielding film body 7 of the lid 3 toward the inner peripheral surface. It is possible to provide an auxiliary light shielding film body 8 attached to the center.
By providing the auxiliary light-shielding film body 3 on the upper surface of the light-shielding film body 7, it is possible to block light that is about to enter from the upper opening of the tube 1 with the light-shielding film body 7. Become. In addition, it is possible to reliably block light leaking from a gap formed between the inner peripheral surface of the tube and the light shielding film body 7.

更に、図８に示すように、前記芯板材４の横幅部６の対向両端部に、チューブ１の内周面１３に沿って下方へ伸びる傾き防止板１１を設けることができる。
該傾き防止板１１は、前記芯板材４をチューブ１の内周面１３に前記芯板材４の中央部が水平状態を維持可能に拘束するので蓋体３の傾きが防止される。
作物の新芽の成長は、必ずしもチューブ１の中心を成長して垂直に伸びるとは限らない。このため該傾き防止板１１は、チューブ１の中心から外側に反れても蓋体３を傾かせずに中央部が水平状態を維持させて、下から押された蓋体３がチューブ内で傾いたり、斜めになって引っ掛かったりすることなく、円滑に上昇させることが可能となる。
なお、図３の（イ）に示すように、前記２本の計測体９の態様では、前記チューブ１の内周面に接することでチューブ１内の前記蓋体３を水平状態に支持させる作用も生じ、前記蓋体３のより安定的な上昇が可能となる。 Further, as shown in FIG. 8, an inclination preventing plate 11 extending downward along the inner peripheral surface 13 of the tube 1 can be provided at opposite opposite ends of the lateral width portion 6 of the core plate material 4.
The tilt prevention plate 11 prevents the lid 3 from being tilted because the center plate material 4 is constrained to the inner peripheral surface 13 of the tube 1 so that the central portion of the core plate material 4 can maintain a horizontal state.
The growth of crop shoots does not necessarily grow vertically in the center of the tube 1. For this reason, the tilt prevention plate 11 maintains the center portion in a horizontal state without tilting the lid 3 even if it is warped outward from the center of the tube 1, and the lid 3 pushed from below tilts in the tube. Or can be smoothly raised without being inclined and caught.
As shown in FIG. 3 (a), in the embodiment of the two measuring bodies 9, the lid 3 in the tube 1 is supported in a horizontal state by contacting the inner peripheral surface of the tube 1. As a result, the lid 3 can be raised more stably.

又、本発明は、図９に示すように、作物の真上からチューブ１に装着したリング２に届くように吊糸１６を吊下げてその下端部１６ａで該チューブ１を吊上げ可能とした吊上げ手段１８を備えることができる。
該吊上げ手段１８は、例えば作物がホワイトスパラガスＡの場合、図９に示すように、培地の上に、支柱１４を立て、該支柱１４に手の届く高さで横方向に紐１５を架設し、該紐１５の上端部にフック１７を設けて、該フック１７を前記紐１５に掛け前記吊糸１６を吊下げる。そして、該吊糸１６の長さは、立てたチューブ１に装着されたリング２に届く程度の長さとし、該吊糸１６の下端部１６ａをチューブ１に装着した上側のリング２に挟んでチューブ１を縦に吊上げる形態が可能である。
この形態では、吊ったチューブ１を、図１０に示すように、ようやく確認できる程度に培土Ｇ上に露出したばかりのアスパラガスの新芽Ａ４の上に被せ、リング２に挟んだ糸を引いて、培土Ｇ上に直立できる長さに調節する。
なお、該吊上げ手段１８に使用する前記吊糸１６は吊紐に替えて用いても良い。 Further, as shown in FIG. 9, the present invention suspends the hanging thread 16 so as to reach the ring 2 attached to the tube 1 from directly above the crop, and the tube 1 can be lifted at the lower end portion 16a. Means 18 may be provided.
As shown in FIG. 9, for example, when the crop is white spargus A, the lifting means 18 stands upright on the culture medium and lays the string 15 in the lateral direction at a height that can be reached by the hand. Then, a hook 17 is provided at the upper end of the string 15, the hook 17 is hung on the string 15, and the hanging thread 16 is suspended. The length of the hanging thread 16 is set so as to reach the ring 2 attached to the standing tube 1, and the tube 16 is sandwiched between the lower end portion 16 a of the hanging thread 16 and the upper ring 2 attached to the tube 1. A form in which 1 is suspended vertically is possible.
In this form, as shown in FIG. 10, the suspended tube 1 is covered on the asparagus sprouts A4 that have just been exposed on the cultivation soil G to an extent that can be confirmed, and the yarn sandwiched between the rings 2 is pulled, Adjust the length so that it can stand upright on the soil G.
The hanging thread 16 used for the lifting means 18 may be used instead of a hanging string.

（使用方法）
次に本発明の使用方法を説明する。
まず、図９に示すように、アスパラガスＡの培土Ｇ上に吊上げ手段１８を設けて多数の吊糸１６を吊り下げる。
そして、前記リング２で開拡したチューブ１内に前記蓋体３を装着し、培土Ｇの上に載せて直立させる。
前記アスパラガスは親株Ａから多くの新芽Ａ４が生えてくるので、各新芽Ａ４対して前記蓋体３を装着した各チューブ１をそれぞれ被せる。
そして、吊り下げられている前記吊糸１６の下端部１６ａを、直立させたチューブ１に嵌めた上側のリング２の内周に挟んで軽く固定し、前記吊糸１６を引っ張りつつ、吊糸１６の弛みをとった状態にしてチューブ１を吊上げて該チューブ１を培土Ｇに対して直立状態に維持させる。この際、チューブ１を培土Ｇに刺して立てると、刺さった部分でアスパラガスＡの新芽周囲の根を切ってしまい、アスパラガスＡの新芽の成長に悪影響を及ぼすおそれがあるので、単に培土Ｇの上に載せるように立てる。 (how to use)
Next, a method of using the present invention will be described.
First, as shown in FIG. 9, a lifting means 18 is provided on the soil G of asparagus A to suspend a number of hanging threads 16.
Then, the lid 3 is mounted in the tube 1 expanded by the ring 2 and placed on the soil G to stand upright.
Since the asparagus grows many sprouts A4 from the parent strain A, each tube 1 fitted with the lid 3 is put on each sprout A4.
Then, the lower end portion 16a of the hanging thread 16 that is suspended is lightly fixed by being sandwiched between the inner circumferences of the upper ring 2 fitted to the upright tube 1, and the hanging thread 16 is pulled while pulling the hanging thread 16. The tube 1 is lifted in a state where the slack is removed, and the tube 1 is maintained upright with respect to the soil G. At this time, if the tube 1 is stabbed in the culture soil G, the roots around the shoots of asparagus A will be cut off at the stabbed portion, which may adversely affect the growth of shoots of asparagus A. Stand on the top.

しばらくすると、アスパラガスの新芽Ａ４が、図１０の（イ）に示すようにチューブ１内で光を受けずに新芽Ａ１は光合成ができずに白くなって成長して行く。
そして、根からの養分でアスパラガスの新芽は成長し、図１０の（ロ）に示すように、前記蓋体３に当たって、アスパラガスの新芽Ａ２の上端部が逆Ｕ字形の中央部、即ちチューブ１の中央部へと導かれる。この時点ではまだ計測体９はチューブ１上端から突出してないので、成長の程度は計測体９の突出に到っていない程度であることを知ることができる。
更に成長が進むと、図１０の（ハ）に示すように、計測体９の上部がチューブ１上端から突出し、目盛１０でアスパラガスに新芽Ａ３の長さが読み取れるようになる。そして、予め決めておいた目盛１０に達したら収穫すれば良い。 After a while, asparagus sprouts A4 do not receive light in the tube 1, as shown in FIG.
Then, asparagus shoots grow by nutrients from the roots, and as shown in FIG. 10 (b), the upper end of the asparagus shoots A2 hits the lid 3 and is an inverted U-shaped central portion, that is, a tube. 1 is led to the center. At this time, the measuring body 9 has not yet protruded from the upper end of the tube 1, so that it can be known that the degree of growth has not reached the protrusion of the measuring body 9.
When the growth further proceeds, as shown in FIG. 10C, the upper part of the measuring body 9 protrudes from the upper end of the tube 1, and the length of the sprout A3 can be read in the asparagus on the scale 10. Then, when the predetermined scale 10 is reached, it may be harvested.

収穫が終わったら、吊上げ手段１８を取り外し、前記チューブ１内の蓋体３を抜き取る。そして、チューブ１からリング２を外す。リング２を外したチューブ１は平坦に畳んでダンボール箱などの積み重ねて入れる。この際、チューブ１は平坦な状態となるので、円筒形にして使用した時よりは大幅に容積を減らすことが可能となる。このため不使用時にはコンパクトに倉庫などに収納、保管をして置くことができる。   When the harvesting is over, the lifting means 18 is removed and the lid 3 in the tube 1 is removed. Then, the ring 2 is removed from the tube 1. The tube 1 with the ring 2 removed is folded flat and stacked with cardboard boxes or the like. At this time, since the tube 1 is in a flat state, the volume can be greatly reduced as compared with the case where the tube 1 is used in a cylindrical shape. For this reason, when not in use, it can be stored and stored compactly in a warehouse or the like.

本発明は、アスパラガスや白ウドのように自然光下では緑色に成長するが、遮光することで白色の商品となる各種農作物に広く利用することが可能となる。   The present invention grows green under natural light, such as asparagus and white udd, but can be widely used for various crops that become white products by shading.

１ チューブ
２ リング
３ 蓋体
４ 芯板材
５ 芯板材の縦幅部
５ａ 縦幅部の狭幅部
６ 芯板材の横幅部
７ 遮光膜体
７ａ 遮光膜体の周縁
８ 補助遮光膜体
９ 計測体
１０ 目盛
１１ 傾き防止板
１２ 面取り部
１３ チューブ内周面
１４ 支柱
１５ 紐
１６ 吊糸
１６ａ 吊糸の下端部
１７ フック
１８ 吊上げ手段
Ｒ 巻付けチューブ
Ｋ チューブカット部
Ａ アスパラガスの親株
Ａ１ アスパラガスの新芽
Ａ２ アスパラガスの新芽
Ａ３ アスパラガスの新芽
Ａ４ アスパラガスの新芽
Ｇ 培土 DESCRIPTION OF SYMBOLS 1 Tube 2 Ring 3 Cover body 4 Core board material 5 Vertical width part of core board material 5a Narrow width part of vertical width part 6 Horizontal width part of core board material 7 Light shielding film body 7a Perimeter of light shielding film body 8 Auxiliary light shielding film body 9 Measuring body 10 Scale 11 Anti-tilt plate 12 Chamfered portion 13 Tube inner peripheral surface 14 Strut 15 String 16 Suspended thread 16a Lower end of suspended thread 17 Hook 18 Lifting means R Winding tube K Tube cut portion A Asparagus parent strain A1 Asparagus sprout A2 Asparagus sprout A3 Asparagus sprout A4 Asparagus sprout G Growing soil

Claims (8)

光を嫌い、地上に略直立して伸び、一定の高さに成長した段階で刈り取り予定となる作物を対象とし、
ａ）遮光性を備え、前記作物の上を跨いで立設可能で、前記作物の刈取り予定を越える高さを備えたチューブと、
ｂ）内部に光を漏らさない遮光性と、前記作物の成長に押されて上昇可能な可撓性とを有する蓋体と、
ｃ）該蓋体の上部に設けた前記作物の刈り取り予定の目安となる計測体と、
から成ることを特徴とする農作物遮光栽培装置。 For crops that hate light, grow almost upright on the ground, and plan to mow when they grow to a certain height,
a) a tube having a light-shielding property, capable of standing over the crop, and having a height exceeding the planned cutting of the crop;
b) a lid having a light-shielding property that does not leak light inside, and a flexibility that can be raised by the growth of the crop;
c) a measuring body serving as a guideline for cutting the crop provided on the top of the lid;
A crop shading cultivation apparatus characterized by comprising: チューブが、弾力性を有する合成樹脂製の巻付けチューブを短く切断して得た平板状のチューブに、変形し難い硬質合成樹脂製のリングを前記チューブの外周の少なくとも上下２箇所に嵌着して強制的に円筒状に変形させたチューブであることを特徴とする請求項１に記載の農作物遮光栽培装置。   The tube is a flat tube obtained by cutting a flexible synthetic resin wound tube into a flat tube, and a hard synthetic resin ring that is difficult to deform is fitted into at least two locations on the outer periphery of the tube. The crop shading cultivation apparatus according to claim 1, wherein the tube is forcibly deformed into a cylindrical shape. 蓋体が、チューブの径より長い縦幅部と短い横幅部とを有し、前記縦幅部の先端部が前記チューブ内で両側から拘束されて断面逆Ｕ字形に湾曲するとともに復元力で該チューブ内周面を押圧して板面中央部を水平に維持可能とした芯板材と、
前記芯板材の上面に張設され、前記チューブの輪切り断面積より大きい面積を有し、遮光性を備えた膜状の遮光膜体と、から成ることを特徴とする請求項１又は２に記載の農作物遮光栽培装置。 The lid has a vertical width portion and a short horizontal width portion that are longer than the diameter of the tube, and the distal end portion of the vertical width portion is constrained from both sides in the tube and curved in an inverted U-shaped cross section, and is A core plate material capable of maintaining the center of the plate surface horizontally by pressing the inner peripheral surface of the tube;
3. The film-shaped light-shielding film body that is stretched on the upper surface of the core plate material and has an area larger than the cross-sectional area of the tube and that has a light-shielding property. Crop shading cultivation equipment. 芯板材を、縦幅部の横幅を先端部は広く且つ基端部から中間部は狭く形成したことを特徴とする請求項３に記載の農作物遮光栽培装置。   The crop shading cultivation apparatus according to claim 3, wherein the core plate material is formed such that the width of the vertical width portion is wide at the tip end portion and narrow from the base end portion to the intermediate portion. チューブの輪切り断面積より大きい面積を有し、遮光性を備えた膜状の補助遮光膜体を、遮光膜体に重ねるとともに周囲をスカート状に捲り上げて遮光膜体の上面に付着させたことを特徴とする請求項３又は４に記載の農作物遮光栽培装置。   A film-shaped auxiliary light-shielding film body having an area larger than the circular cross-sectional area of the tube and having a light-shielding property is superimposed on the light-shielding film body and rolled up in a skirt shape to adhere to the upper surface of the light-shielding film body. The crop shading cultivation apparatus according to claim 3 or 4, characterized by the above-mentioned. 蓋体に、前記チューブの内周面に沿って下方へ伸びる傾き防止板を設けたことを特徴とする請求項１から５のうちいずれかに記載の農作物遮光栽培装置。   The crop shading cultivation apparatus according to any one of claims 1 to 5, wherein the lid is provided with a tilt prevention plate extending downward along the inner peripheral surface of the tube. 計測体に、高さ方向の目盛を設けたことを特徴とする請求項１から６のうちいずれかに記載の農作物遮光栽培装置。   The crop shading cultivation apparatus according to any one of claims 1 to 6, wherein a scale in the height direction is provided on the measuring body. 作物上に設置したチューブを略直立状態で吊上げる吊上げ手段を備えたことを特徴とする請求項１から７のうちいずれかに記載の農作物遮光栽培装置。   The crop shading cultivation apparatus according to any one of claims 1 to 7, further comprising lifting means for lifting a tube installed on the crop in a substantially upright state.
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5692713A (en) * 1979-12-25 1981-07-27 Tomita Hajime Flower pot cultivation method and apparatus of edible asparagus
JPS63501762A (en) * 1985-10-04 1988-07-21 チユ−ベツク　リミテツド Tree protection components
JP2000197419A (en) * 1999-01-06 2000-07-18 Achilles Corp Shape-retaining tool for sapling protection cover
JP2000342086A (en) * 1999-06-07 2000-12-12 Akitoshi Osawa Stretchable lantern type plant protection
JP2003210096A (en) * 2002-01-23 2003-07-29 Kyoei Kagaku:Kk Tool for holding net for protecting young tree from beast
JP2005245376A (en) * 2004-03-08 2005-09-15 Susumu Nagasaka Light shielding implement for plant body
JP2005269948A (en) * 2004-03-24 2005-10-06 Nara Prefecture Blanching cultivation implement for plant, cultivation method using the same, and shipping method
JP2006246740A (en) * 2005-03-09 2006-09-21 Kiyoyuki Konno Light-shielding container for plant blanching culture composed of pyramidal main body and ground part

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5692713A (en) * 1979-12-25 1981-07-27 Tomita Hajime Flower pot cultivation method and apparatus of edible asparagus
JPS63501762A (en) * 1985-10-04 1988-07-21 チユ−ベツク　リミテツド Tree protection components
JP2000197419A (en) * 1999-01-06 2000-07-18 Achilles Corp Shape-retaining tool for sapling protection cover
JP2000342086A (en) * 1999-06-07 2000-12-12 Akitoshi Osawa Stretchable lantern type plant protection
JP2003210096A (en) * 2002-01-23 2003-07-29 Kyoei Kagaku:Kk Tool for holding net for protecting young tree from beast
JP2005245376A (en) * 2004-03-08 2005-09-15 Susumu Nagasaka Light shielding implement for plant body
JP2005269948A (en) * 2004-03-24 2005-10-06 Nara Prefecture Blanching cultivation implement for plant, cultivation method using the same, and shipping method
JP2006246740A (en) * 2005-03-09 2006-09-21 Kiyoyuki Konno Light-shielding container for plant blanching culture composed of pyramidal main body and ground part

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