JPH04131023A - Covering material for agriculture - Google Patents
Covering material for agricultureInfo
- Publication number
- JPH04131023A JPH04131023A JP2252346A JP25234690A JPH04131023A JP H04131023 A JPH04131023 A JP H04131023A JP 2252346 A JP2252346 A JP 2252346A JP 25234690 A JP25234690 A JP 25234690A JP H04131023 A JPH04131023 A JP H04131023A
- Authority
- JP
- Japan
- Prior art keywords
- light
- covering material
- fluorescent dye
- unevenness
- coating material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 40
- 239000007850 fluorescent dye Substances 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 150000001875 compounds Chemical class 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 4
- 244000037666 field crops Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 230000029553 photosynthesis Effects 0.000 description 5
- 238000010672 photosynthesis Methods 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000243 photosynthetic effect Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene, ethylene-vinyl acetate Polymers 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は農業用被覆材に関し、さらに詳しくはトンネル
、パイプハウス、大型ハウス等の農園芸施設に展張する
為の農業用被覆材に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an agricultural covering material, and more particularly to an agricultural covering material for extending over agricultural and horticultural facilities such as tunnels, pipe houses, and large greenhouses. .
（従来の技術とその問題点）
従来、此種農業用被覆材は、例えばポリエチレン、エチ
レン−酢酸ビニル共重合体、塩化ビニル樹脂等からなる
軟質フィルム状に成形され、中でも塩化ビニル樹脂フィ
ルムか施行性２価格、保温性等の面から大半を占めてい
る。(Prior art and its problems) Conventionally, this type of agricultural covering material has been formed into a soft film made of polyethylene, ethylene-vinyl acetate copolymer, vinyl chloride resin, etc. They account for the majority due to their price, heat retention, etc.
上記従来の被覆材を使用してトンネル、パイプハウス、
大型ハウス等を構成した場合、これら施設内の農作物は
前記被覆材を通過して照射される太陽光線を吸収して生
長するわけである。Tunnels, pipe houses, etc. using the above conventional covering materials,
When a large greenhouse or the like is constructed, the crops in these facilities grow by absorbing the sunlight that passes through the covering material.
ところで、波長２９０ｎｍ〜ｌｏｏＯｎｍ以上の広範囲
な波長の光からなる太陽光線のうち波長６００ｎω〜７
００ｎｍの帯域の光か光合成促進に最適なものであるこ
とか従来から知られている。By the way, among the sunlight consisting of light with a wide range of wavelengths from 290 nm to looOnm or more, wavelengths of 600nω to 7.
It has long been known that light in the 00 nm band is optimal for promoting photosynthesis.
ところが、上述した従来の被覆材によれば、全ての帯域
（２９０ｎｍ〜ＩＯＱＯｎｍ以上）の光が被覆材を通過
して均等に農作物に照射されるので、農作物の生長は常
に一定であり、従って一定以上の収穫率を得ることは困
難であった。However, according to the above-mentioned conventional coating materials, the crops are uniformly irradiated with light in all bands (290 nm to IOQOnm or more) passing through the coating material, so the growth of the crops is always constant, and therefore the growth is constant. It was difficult to obtain a higher yield rate.
（発明が解決しようとする課題）
本発明は上述したような従来事情に鑑みてなされたもの
であり、その目的とする処は、上記波長６００ｎｍ〜７
００ｎｍの帯域以外の光を農作物の光合成促進用として
利用できるようにして、農作物の生長を促進させること
が可能な農業用被覆材を提供することにある。(Problems to be Solved by the Invention) The present invention has been made in view of the conventional circumstances as described above, and its purpose is to solve the above-mentioned wavelengths of 600 nm to 7
An object of the present invention is to provide an agricultural covering material capable of promoting the growth of agricultural crops by making it possible to utilize light other than the 00 nm band for promoting photosynthesis of agricultural crops.
（課題を解決するための手段）
以上の目的を達成するために、本発明の第１の手段は、
波長５００ｎｍ〜６００ｎｍの光を波長ＩＪＯｎｍ〜７
００ｎｍへ変換する能力のある蛍光染料を配合して被覆
材を成形することを特徴とする。また、本発明第２の手
段は、上記第１の手段に加えて、被覆材本体の片面又は
両面に凹凸を形成したことを特徴とする。さらに、本発
明第３の手段は上記第１の手段に加えて、蛍光染料の添
加量をコンパウンド当り０．０００１％〜１％としたこ
とを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the first means of the present invention is as follows:
Light with a wavelength of 500 nm to 600 nm to a wavelength of IJOnm to 7
It is characterized in that the coating material is formed by blending a fluorescent dye that has the ability to convert to 00 nm. Further, a second means of the present invention is characterized in that, in addition to the first means, unevenness is formed on one or both sides of the covering material body. Furthermore, the third means of the present invention is characterized in that, in addition to the first means, the amount of fluorescent dye added is 0.0001% to 1% per compound.
また本発明第４の手段は上記第１の手段に加えて、被覆
材本体の片面又は両面に凹凸を形成すると共に、蛍光染
料の添加量をコンパウンド当り０．０００１％〜１％と
したことを特徴とする。In addition to the above-mentioned first means, the fourth means of the present invention is to form irregularities on one or both sides of the coating material body, and to set the amount of fluorescent dye added to 0.0001% to 1% per compound. Features.
（発明の効果）
本発明の農業用被覆材によれば、蛍光染料によって、太
陽光線スペクトルにおける光合成に有用でない波長の光
を光合成促進に最適な光に波長変換し、この変換された
光と自然光とを併用することにより、光合成系にとって
最も高い効率の光を供給することが可能となり、農作物
の生長を促進させて収穫率を向上させることかできる。(Effects of the Invention) According to the agricultural covering material of the present invention, the wavelength of light that is not useful for photosynthesis in the sunlight spectrum is converted into light that is optimal for promoting photosynthesis using the fluorescent dye, and this converted light and natural light are used. By using these in combination, it becomes possible to supply the most efficient light to the photosynthetic system, promoting the growth of agricultural crops and improving harvest rates.
また、この効果は後述する実施例で明らかなように、蛍
光染料の添加量をコンパウンド当り０．０００１％〜１
％とすることにより、より確実に達成し得るものである
。In addition, this effect can be obtained by changing the amount of fluorescent dye added from 0.0001% to 1% per compound, as is clear from the examples described later.
%, this can be achieved more reliably.
また、被覆材本体に凹凸を形成することにより、太陽光
線が被覆材を通過する際に散乱光を発生させて被覆材の
端面から放出するをもって、被覆材の受光面積を広くす
ることかできる。従って、太陽光線を農作物全体に隈無
く照射し得、上記効果との相乗作用により、収穫率のよ
り一層の向上を図ることかできる。In addition, by forming irregularities on the coating material body, when sunlight passes through the coating material, scattered light is generated and emitted from the end face of the coating material, thereby making it possible to widen the light-receiving area of the coating material. Therefore, the entire crop can be thoroughly irradiated with sunlight, and the synergistic effect with the above effects can further improve the yield rate.
（実施例） 以下、本発明の実施例について説明する。(Example) Examples of the present invention will be described below.
本発明の農業用被覆材は、例えば塩化ビニル樹脂を主成
分とし、これに可塑剤、安定剤、潤滑剤。The agricultural covering material of the present invention has, for example, vinyl chloride resin as a main component, and contains a plasticizer, a stabilizer, and a lubricant.
帯電防止剤、紫外線吸収剤等を必要に応じて配合した従
来周知の材料に、波長５００ｎｍ〜６００ｎｍの帯域の
光を波長６００ｎｍ〜７００ｎｍの帯域の光へ変換する
能力のある蛍光染料を添加してなるもので、この配合物
を周知の方法、例えば押出成形、インフレーション成形
、カレンダー成形などによりフィルム状に形成するもの
で、そのフィルム厚さは一般的に５０〜２００μとする
ものである。A fluorescent dye capable of converting light in the wavelength band of 500 nm to 600 nm to light in the wavelength band of 600 nm to 700 nm is added to a conventionally well-known material containing antistatic agents, ultraviolet absorbers, etc. as necessary. This compound is formed into a film by a well-known method such as extrusion molding, inflation molding, calendar molding, etc., and the film thickness is generally 50 to 200 μm.
前記蛍光染料は、此種の技術分野において周知のもので
あり、この蛍光染料を配合すことにより、太陽光線スペ
クトルにおける光合成にあまり必要とされない波長（５
００ｎｍ〜６００ｎｍ ）の光を吸収し、光合成促進に
最適な波長（５００ｎｍ〜７００ｎｍ ）の光に波長変
換して放出する被覆材を得ることか可能になる。The fluorescent dye is well known in this type of technical field, and by incorporating this fluorescent dye, wavelengths (5.5
It becomes possible to obtain a coating material that absorbs light with a wavelength of 00 nm to 600 nm, converts it into light with a wavelength optimal for promoting photosynthesis (500 nm to 700 nm), and emits the light.
そうして、この波長変換された光と、蛍光染料に吸収さ
れずに被覆材を通過する自然光とを併用することにより
、光合成系にとって最も高い効果の光を提供することが
可能になる
尚、上述した蛍光染料の添加量は、コンパウンド当り０
．０００１％で上記作用を得ることが可能で且つ同１％
を超えると本来必要な波長の光を得られなくなる虞れが
あることが確認でき、さらに好ましくは後述の如＜ ０
．００２％〜０．２％の範囲内とすることて顕著な効果
を得れることか確認できた。By using this wavelength-converted light in combination with natural light that passes through the coating material without being absorbed by the fluorescent dye, it is possible to provide the most effective light for the photosynthetic system. The amount of fluorescent dye added above is 0 per compound.
．． It is possible to obtain the above effect with 0001%, and the same with 1%
It can be confirmed that if the wavelength exceeds 0, there is a risk that it may not be possible to obtain light of the originally necessary wavelength.
．． It was confirmed that a remarkable effect can be obtained by setting the content within the range of 0.002% to 0.2%.
また、上記配合物からなる被覆材の片面又は両面に凹凸
を形成し、この凹凸により太陽光線が被覆材を通過する
際に散乱光を発生させて被覆材の端面から放出するをも
って、被覆材の受光面積を広くすることも可能である。Furthermore, unevenness is formed on one or both sides of the coating material made of the above compound, and when sunlight passes through the coating material, the unevenness generates scattered light and emits it from the end surface of the coating material. It is also possible to widen the light receiving area.
前記凹凸は、断面四角形、三角形、半円形等の所望形状
の絞１を被覆材本体ａの片面又は両面に設けることによ
り形成される（第１図〜第３図参照）。また、散乱光の
割合は前記絞１の多少、粗密等による凹凸の形状具合に
よってコントロールできる。The unevenness is formed by providing an aperture 1 having a desired shape, such as a square, triangular, or semicircular cross section, on one or both sides of the covering material body a (see FIGS. 1 to 3). Further, the proportion of scattered light can be controlled by adjusting the shape of the unevenness of the diaphragm 1, such as the degree of density, density, etc.
次に具体的実施の態様を示す。Next, specific embodiments will be shown.
塩化ビニル樹脂 １００重量部
可塑剤 ５０重量部
安定剤 ２．０重量部
防曇剤 １．５重量部
蛍光染料 表１に示す通り
上記の配合物をブレンダーで混合した後、バンバリーミ
キサ−で混練し、更にミキシングロールて混練してから
カレンダーに供給し、圧延して厚さ１００μのフィルム
を作成した（実施例１及び比較例）。Vinyl chloride resin 100 parts by weight Plasticizer 50 parts by weight Stabilizer 2.0 parts by weight Antifogging agent 1.5 parts by weight Fluorescent dye As shown in Table 1, the above formulations were mixed in a blender and then kneaded in a Banbury mixer. The mixture was further kneaded using a mixing roll, supplied to a calendar, and rolled to form a film with a thickness of 100 μm (Example 1 and Comparative Example).
また、上記配合からなるフィルムに凹凸を形成して所望
割合の散乱光を得（実施例２〜７）、この凹凸による散
乱光の割合別、及び蛍光染料の添加量刑による農作物の
収穫率の測定結果を別表（１）に示した。蛍光染料は西
独ＢＡＳＦ社製のＲＥ Ｄ ３００を用い、凹凸は被覆
材本体の内面にのみ形成した。尚、比較例及び実施例１
には凹凸か形成されていない。In addition, a desired proportion of scattered light was obtained by forming unevenness on the film made of the above formulation (Examples 2 to 7), and the harvest rate of agricultural products was measured by the proportion of scattered light due to the unevenness and the amount of fluorescent dye added. The results are shown in Attached Table (1). The fluorescent dye used was RE D 300 manufactured by West German BASF, and the unevenness was formed only on the inner surface of the coating material body. In addition, Comparative Example and Example 1
There are no irregularities or formations.
さらに、蛍光染料の添加量を００２％とし、且つフィル
ムの片面（内面）のみに凹凸を形成した被覆材（実施例
３．４）と、両面に凹凸を形成した被覆材（実施例８，
９）と、凹凸を形成しない被覆材（実施例１）夫々の、
農作物の収穫率の測定結果を別表（２）に示す。Furthermore, a coating material in which the amount of fluorescent dye added was 0.02% and unevenness was formed only on one side (inner surface) of the film (Example 3.4), and a coating material in which unevenness was formed on both sides (Example 8,
9) and the coating material that does not form unevenness (Example 1), respectively.
The measurement results of crop yield rates are shown in Attached Table (2).
これら測定結果から、蛍光染料の添加量かコンパウンド
当り０．０００１％〜１％の範囲内、特に０．００２％
〜０２％で収穫率の促進を図れ、さらに凹凸を形成する
ことによりその効果か助長され、かつ凹凸は被覆材本体
の片面のみに形成した場合により効果的であることか確
認できた。From these measurement results, the amount of fluorescent dye added is within the range of 0.0001% to 1%, especially 0.002% per compound.
It was confirmed that the yield rate could be promoted at ~0.2%, that this effect was further enhanced by the formation of unevenness, and that it was more effective when the unevenness was formed only on one side of the coating material body.
表（１） 表（２）Table (1) Table (2)
第１図〜第３図は、本発明農業用被覆材の一実施例を示
す拡大断面図である。
尚、図中
ａ：被覆材本体 １・絞1 to 3 are enlarged sectional views showing one embodiment of the agricultural covering material of the present invention. In addition, a in the figure: Covering material body 1.
Claims (4)
７００ｎｍへ変換する能力のある蛍光染料を配合してな
る農業用被覆材。(1) Light with a wavelength of 500nm to 600nm to 600nm or more
An agricultural covering material containing a fluorescent dye that has the ability to convert wavelengths to 700 nm.
を特徴とする請求項１記載の農業用被覆材。(2) The agricultural covering material according to claim 1, wherein unevenness is formed on one or both sides of the covering material body.
１％〜１％としたことを特徴とする請求項１記載の農業
用被覆材。(3) The amount of fluorescent dye added is 0.000 per compound.
The agricultural covering material according to claim 1, characterized in that the content is 1% to 1%.
に、蛍光染料の添加量をコンパウンド当り０．０００１
％〜１％としたことを特徴とする請求項１記載の農業用
被覆材。(4) While forming irregularities on one or both sides of the coating material body, the amount of fluorescent dye added is 0.0001 per compound.
% to 1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2252346A JPH04131023A (en) | 1990-09-21 | 1990-09-21 | Covering material for agriculture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2252346A JPH04131023A (en) | 1990-09-21 | 1990-09-21 | Covering material for agriculture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04131023A true JPH04131023A (en) | 1992-05-01 |
Family
ID=17236005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2252346A Pending JPH04131023A (en) | 1990-09-21 | 1990-09-21 | Covering material for agriculture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04131023A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011028253A (en) * | 2009-06-30 | 2011-02-10 | Kiso Micro Kk | Optical member for optical modification, method for manufacturing the same, plant growing method, and plant growing device |
| JP2020074767A (en) * | 2018-11-07 | 2020-05-21 | 株式会社デンソー | Wavelength conversion member and plant production system |
-
1990
- 1990-09-21 JP JP2252346A patent/JPH04131023A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011028253A (en) * | 2009-06-30 | 2011-02-10 | Kiso Micro Kk | Optical member for optical modification, method for manufacturing the same, plant growing method, and plant growing device |
| JP2020074767A (en) * | 2018-11-07 | 2020-05-21 | 株式会社デンソー | Wavelength conversion member and plant production system |
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