JPH07274724A - Method for supplying carbon dioxide gas into greenhouse and apparatus therefor - Google Patents
Method for supplying carbon dioxide gas into greenhouse and apparatus thereforInfo
- Publication number
- JPH07274724A JPH07274724A JP6072187A JP7218794A JPH07274724A JP H07274724 A JPH07274724 A JP H07274724A JP 6072187 A JP6072187 A JP 6072187A JP 7218794 A JP7218794 A JP 7218794A JP H07274724 A JPH07274724 A JP H07274724A
- Authority
- JP
- Japan
- Prior art keywords
- carbon dioxide
- greenhouse
- lid
- storage box
- dioxide gas
- 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
Landscapes
- Cultivation Of Plants (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、植物育成栽培用の又は
自家不和合性植物の自家種子採取用の温室内に炭酸ガス
を供給する方法及びその装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for supplying carbon dioxide into a greenhouse for growing and cultivating plants or for collecting self seeds of self-incompatible plants.
【０００２】[0002]
【従来の技術】緑色植物の成長の基本は、水、光、炭酸
ガス（光合成）であり、温室等の密閉された環境下で
は、特に冬期にはその基本要素の一つである炭酸ガス濃
度が低下しがちである。温室内に積極的に炭酸ガスを供
給して、植物の成長に最適な炭酸ガス濃度の雰囲気を作
り、植物の成長を促進させることが行われている。2. Description of the Related Art The basis of the growth of green plants is water, light and carbon dioxide (photosynthesis). In a closed environment such as a greenhouse, especially in winter, carbon dioxide concentration is one of the basic elements. Tends to decrease. BACKGROUND ART Carbon dioxide is actively supplied into a greenhouse to create an atmosphere of carbon dioxide concentration optimal for plant growth and promote plant growth.
【０００３】また、正常な生殖能力をもちながら自家又
は同じ系統の受粉によって種子を生じない植物である自
家不和合性植物の純な系統の種子を得るために自家種子
採取を必要とする。ここに、自家不和合性を有する主な
植物としては、ハクサイ、ダイコン、カブ、ツケナ類等
の十字科植物、リンゴ、ナシ等の多くの果樹類がある。
自家不和合性植物の自家種子採取の方法の一つとして、
開花した状態でミツバチ等により受粉させ、花を所定時
間炭酸ガス雰囲気下に暴露させて自家授精させる方法が
ある。Further, in order to obtain seeds of a pure line of a self-incompatible plant, which is a plant having a normal fertility and not producing seeds by pollination of the same line, self-seed collection is required. Here, as main plants having self-incompatibility, there are cruciform plants such as Chinese cabbage, Japanese radish, turnip, and lacquer plants, and many fruit trees such as apples and pears.
As one of the methods of self-seed collection of self-incompatible plants,
There is a method in which flowers are pollinated by bees in a flowering state, and the flowers are exposed to a carbon dioxide atmosphere for a predetermined time to allow self-fertilization.
【０００４】このように、植物育成栽培用又は自家不和
合性植物の自家種子採取用の温室（以下、単に温室とい
う）内の炭酸ガスの濃度を外気より高く保持することが
望ましい場合がある。As described above, it may be desirable to maintain the concentration of carbon dioxide gas in a greenhouse (hereinafter, simply referred to as a greenhouse) for growing and cultivating plants or for collecting home seeds of self-incompatible plants higher than outside air.
【０００５】従来、炭酸ガスの供給方法の一つとして、
炭酸ガス容器（８０ｋｇ〜３００ｋｇ）を温室の周辺又
は温室内に配置し、この炭酸ガス容器内の炭酸ガスを温
室内に供給する方法がある。Conventionally, as one of the methods for supplying carbon dioxide,
There is a method in which a carbon dioxide gas container (80 kg to 300 kg) is arranged around or inside a greenhouse and the carbon dioxide gas in the carbon dioxide gas container is supplied into the greenhouse.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、この方
法では、容器が空になると容器ごと交換することを要す
る。炭酸ガス容器の重量は８０ｋｇ〜３００ｋｇもある
ので、容器の交換のための容器集配の労力をかなり必要
とする。温室の周辺は道路事情や足場が悪い場合も多
く、重量物である容器の搬入に制約を受ける。また、こ
の容器は、高圧ガス取締法の規制を受ける高圧ガス容器
として、容器の安全対策面での管理を必要とし、容器の
固定設備も堅固なものを必要とするという難点がある。
これに対して、炭酸ガス源として固形炭酸を用いること
によって、これらの問題点を解決することができる。However, this method requires replacement of the entire container when the container becomes empty. Since the carbon dioxide gas container weighs as much as 80 kg to 300 kg, a considerable amount of labor is required to collect and deliver the carbon dioxide gas to replace the container. Road conditions and scaffolding around the greenhouse are often bad, and there are restrictions on the loading of heavy containers. In addition, this container has a drawback that it needs to be managed in terms of safety measures as a high-pressure gas container that is regulated by the High-Pressure Gas Control Law, and that the equipment for fixing the container also needs to be solid.
On the other hand, these problems can be solved by using solid carbon dioxide as a carbon dioxide gas source.
【０００７】本発明の目的は、炭酸ガスの補給を容易に
行い得る、植物育成栽培用又は自家不和合性植物の自家
種子採取用などの温室内に炭酸ガスを供給する方法及び
その装置を提供することにある。An object of the present invention is to provide a method and an apparatus for supplying carbon dioxide into a greenhouse for growing and cultivating plants or collecting self-seed of self-incompatible plants, which can easily supplement carbon dioxide. To do.
【０００８】[0008]
【課題を解決すための手段】本発明によれば、前述の目
的は、温室内に固形炭酸を配置し、この固形炭酸から発
生した炭酸ガスを所定の時間間隔の間温室内に拡散させ
ることを特徴とする、温室内に炭酸ガスを供給する方法
によって達成される。According to the present invention, the aforementioned object is to dispose solid carbon dioxide in a greenhouse and to diffuse carbon dioxide gas generated from the solid carbon dioxide into the greenhouse for a predetermined time interval. And a method of supplying carbon dioxide into a greenhouse.
【０００９】本発明によれば、前述の目的は、固形炭酸
を保管すると共に開口を有し、温室内に配置されるべき
保管箱と、開口を開閉すべく保管箱に設けられたフタ
と、フタを開閉自在に駆動すべく保管箱及びフタに連結
された駆動手段と、保管箱内の固形炭酸を昇華させると
共に発生した炭酸ガスを温室内に拡散すべく保管箱の上
方に配置されたファンと、温室内の炭酸ガスの濃度が所
定の値になるようにフタの開閉を行うように駆動手段を
制御する制御手段とを備えることを特徴とする、温室用
の炭酸ガスの供給装置によって達成される。According to the present invention, the above-mentioned object is to store solid carbon dioxide and have an opening, which should be placed in a greenhouse, and a lid provided on the storage box to open and close the opening. A storage box and a driving means connected to the lid to drive the lid to open and close, and a fan placed above the storage box to sublime solid carbon dioxide in the storage box and diffuse generated carbon dioxide into the greenhouse. And a control means for controlling the driving means so as to open and close the lid so that the concentration of carbon dioxide gas in the greenhouse becomes a predetermined value. To be done.
【００１０】本明細書における「植物栽培用」とは、植
物の育成栽培や、自家不和合性の植物の自家受粉後の自
家授精を促進させることを目的とするものを含む。In the present specification, "for plant cultivation" includes those for the purpose of cultivating and cultivating plants, and promoting self-fertilization of self-incompatible plants after self-pollination.
【００１１】[0011]
【作用】本発明の方法によれば、固形炭酸が消費されて
も、固形炭酸を補充すればよく、少ない労力で温室内へ
の炭酸ガスの供給を継続し得る。According to the method of the present invention, even if the solid carbon dioxide is consumed, it is sufficient to supplement the solid carbon dioxide, and the carbon dioxide gas can be continuously supplied to the greenhouse with a small labor.
【００１２】本発明の装置によれば、固形炭酸を充填保
管する容器、すなわち保管箱が温室内に配置されるが故
に、充填した固形炭酸が消費されたら保管箱内に固形炭
酸を補充すればよく、少ない労力で温室内への炭酸ガス
の供給を継続し得、加えて、制御手段により、フタの開
閉を制御して温室内の炭酸ガスの濃度を所望の値となる
ように制御し得る。According to the apparatus of the present invention, since the container for filling and storing the solid carbon dioxide, that is, the storage box is arranged in the greenhouse, if the filled solid carbon dioxide is consumed, the solid carbon dioxide can be replenished in the storage box. Well, it is possible to continue the supply of carbon dioxide into the greenhouse with a small amount of labor, and in addition, the control means can control the opening and closing of the lid to control the concentration of carbon dioxide in the greenhouse to a desired value. .
【００１３】[0013]
【実施例】以下、本発明を図面に示す好ましい実施例を
用いて詳述する。The present invention will be described below in detail with reference to the preferred embodiments shown in the drawings.
【００１４】温室１内では、植物が栽培されており、温
室１の構造は、鉄製フレームにビニール又はガラスが張
られた構造である。In the greenhouse 1, plants are cultivated, and the greenhouse 1 has a structure in which a steel frame is covered with vinyl or glass.
【００１５】温室１内の任意の場所、好ましくは、入り
口の近くに固形炭酸２を保管する保管箱３が置かれてい
る。保管箱３は、複数であってもよい。保管箱３は、断
熱材４で覆われている。断熱材４の材料はウレタン等で
あり、その厚さは１００ｍｍである。保管箱３には、フ
タ５がヒンジ式に取り付けられている。フタ５は、保管
箱３と同様な断熱材７で覆われている。保管箱３及びフ
タ５は、電動ユニット１０で連結されている。保管箱３
には、電動ユニット１０の部品１１が連結されており、
電動ユニット１０の部品１２はフタ５に連結されてい
る。A storage box 3 for storing the solid carbon dioxide 2 is placed anywhere in the greenhouse 1, preferably near the entrance. There may be a plurality of storage boxes 3. The storage box 3 is covered with a heat insulating material 4. The material of the heat insulating material 4 is urethane or the like, and the thickness thereof is 100 mm. A lid 5 is hingedly attached to the storage box 3. The lid 5 is covered with a heat insulating material 7 similar to the storage box 3. The storage box 3 and the lid 5 are connected by an electric unit 10. Storage box 3
Is connected to the component 11 of the electric unit 10.
The component 12 of the electric unit 10 is connected to the lid 5.
【００１６】温室１内の保管箱３の上方にファン２０が
配設されており、ファン２０は、保管箱３内の固形炭酸
の昇華を促進させ、発生した炭酸ガスを温室１内に拡散
させる。ファン２０はフタ５のヒンジ側に対向する位
置、又は、保管箱３の側方の位置に配設されるのがよ
く、送風方向が保管箱３内に向くよう配設されるのがよ
い。ファン２０は、首振り式であってもよい。A fan 20 is arranged above the storage box 3 in the greenhouse 1, and the fan 20 promotes the sublimation of solid carbon dioxide in the storage box 3 and diffuses the generated carbon dioxide gas into the greenhouse 1. . The fan 20 is preferably arranged at a position facing the hinge side of the lid 5 or at a position on the side of the storage box 3, and it is preferable that the fan 20 is arranged so that the air blowing direction faces the inside of the storage box 3. The fan 20 may be a swing type.
【００１７】温室１の内部には、炭酸ガス濃度計１８が
設けられている。濃度計１８の設置高さは、床面から１
ｍ程度であるのがよい。Inside the greenhouse 1, a carbon dioxide concentration meter 18 is provided. The installation height of the densitometer 18 is 1 from the floor
It is good to be about m.
【００１８】本実施例では、加熱装置は設けられていな
いが、温室１内の炭酸ガスの需要が多い場合には、保管
箱３内の固形炭酸の昇華を促進させるための加熱装置３
０が保管箱３内に設けられてもよい。加熱装置３０は、
電気ヒータが好ましい。これにより、加熱の制御及び機
器の取扱いが容易となる。In the present embodiment, no heating device is provided, but when the demand for carbon dioxide gas in the greenhouse 1 is high, the heating device 3 for promoting the sublimation of the solid carbon dioxide in the storage box 3.
0 may be provided in the storage box 3. The heating device 30 is
Electric heaters are preferred. This facilitates heating control and equipment handling.
【００１９】電動ユニット１０には、制御盤１３がケー
ブル１４を介して接続されている。制御盤１３には、フ
ァン２０、タイマ１５及び炭酸ガス濃度計１８が夫々接
続されている。タイマ１５及び炭酸ガス濃度計１８は互
いに接続されている。A control panel 13 is connected to the electric unit 10 via a cable 14. A fan 20, a timer 15 and a carbon dioxide concentration meter 18 are connected to the control panel 13, respectively. The timer 15 and the carbon dioxide concentration meter 18 are connected to each other.
【００２０】なお、制御盤１３がタイマ１５によるフタ
５の開閉のみの制御を行うように構成され、炭酸ガス濃
度計１８は設けられなくてもよい。It should be noted that the control panel 13 is configured to control only the opening / closing of the lid 5 by the timer 15, and the carbon dioxide concentration meter 18 may not be provided.
【００２１】以下、本実施例の作動を説明する。The operation of this embodiment will be described below.
【００２２】保管箱３は、固形炭酸２を所望量保管して
いる。温室１内で育成されている植物が活発に光合成を
行う時間間隔を設定するために、開始時刻及び終了時刻
をタイマ１５にて設定する。例えば、午前６時から午前
８時と設定する。The storage box 3 stores a desired amount of solid carbon dioxide 2. The start time and the end time are set by the timer 15 in order to set the time interval in which the plants grown in the greenhouse 1 actively perform photosynthesis. For example, it is set from 6:00 am to 8:00 am.
【００２３】また、温室１内に必要な炭酸ガス濃度を炭
酸ガス濃度計１８にて設定する。例えば、上限１０００
ｐｐｍ、下限４００ｐｐｍと設定する。The carbon dioxide concentration required in the greenhouse 1 is set by the carbon dioxide concentration meter 18. For example, an upper limit of 1000
ppm and the lower limit is set to 400 ppm.
【００２４】タイマ１５の時計が午前６時になると、制
御盤１３は、保管箱３の電動ユニット１０を作動させて
フタ５を開け、発生した炭酸ガスを温室１内に拡散させ
る。同時に、ファン２０を作動させて保管箱３からの炭
酸ガスの拡散を促進させる。When the clock of the timer 15 is 6:00 am, the control panel 13 operates the electric unit 10 of the storage box 3 to open the lid 5 and diffuse the generated carbon dioxide gas into the greenhouse 1. At the same time, the fan 20 is operated to promote the diffusion of carbon dioxide gas from the storage box 3.
【００２５】炭酸ガス濃度計１８が温室１内の炭酸ガス
の濃度として設定上限値１０００ｐｐｍを検知すると、
制御盤１３は、フタ５を閉めると共にファン２０の動作
を停止させる。温室１内の植物による吸収及び外部への
炭酸ガスの漏れ等により、温室１内の炭酸ガスの濃度が
設定下限値４００ｐｐｍに下がると、制御盤１３は、フ
タ５を開けると共にファン２０の動作を開始させる。こ
のように、フタ５の開閉及びファン２０の発停を繰り返
して、温室１内の炭酸ガスの濃度が所定の範囲内になる
ように制御される。When the carbon dioxide concentration meter 18 detects the set upper limit value of 1000 ppm as the concentration of carbon dioxide in the greenhouse 1,
The control panel 13 closes the lid 5 and stops the operation of the fan 20. When the concentration of carbon dioxide in the greenhouse 1 drops to the lower limit value of 400 ppm due to absorption by plants in the greenhouse 1 and leakage of carbon dioxide to the outside, the control panel 13 opens the lid 5 and operates the fan 20. Let it start. In this way, the lid 5 is opened and closed and the fan 20 is turned on and off repeatedly to control the concentration of carbon dioxide in the greenhouse 1 to fall within a predetermined range.
【００２６】タイマ１５の時計が午前８時になると、制
御盤１３は、ファン２０の動作を停止させ、同時に電動
ユニット１０を作動させフタ５を閉める。これにより、
保管箱３内のドライアイス２が必要以上に消費されるの
を防ぎ得る。When the clock of the timer 15 reaches 8:00 am, the control panel 13 stops the operation of the fan 20 and simultaneously operates the electric unit 10 to close the lid 5. This allows
It is possible to prevent the dry ice 2 in the storage box 3 from being consumed more than necessary.
【００２７】なお、ファン２０は通日作動させてもよ
い。The fan 20 may be operated throughout the day.
【００２８】炭酸ガス濃度計１８を設けない場合は、フ
タ５の開閉のみで温室１内の炭酸ガスの濃度を所望の値
に保持する。この場合のフタ５の開閉はタイマ１５によ
り行ってもよく、手動で行ってもよい。If the carbon dioxide concentration meter 18 is not provided, the concentration of carbon dioxide in the greenhouse 1 is maintained at a desired value only by opening and closing the lid 5. The opening and closing of the lid 5 in this case may be performed by the timer 15 or manually.
【００２９】[0029]
【発明の効果】本発明の方法によれば、固形炭酸が消費
されても、固形炭酸を補充すればよく、少ない労力で温
室内への炭酸ガスの供給を継続し得る。According to the method of the present invention, even if the solid carbon dioxide is consumed, it is sufficient to supplement the solid carbon dioxide, and the carbon dioxide gas can be continuously supplied to the greenhouse with a small labor.
【００３０】本発明の装置によれば、固形炭酸を充填保
管する容器、すなわち保管箱が温室内に配置されるが故
に、充填した固形炭酸が消費されたら保管箱内に固形炭
酸を補充すればよく、少ない労力で温室内への炭酸ガス
の供給を継続し得、加えて、制御手段により、フタの開
閉を制御して温室内の炭酸ガスの濃度を所望の値となる
ように制御し得る。According to the apparatus of the present invention, the container for filling and storing the solid carbon dioxide, that is, the storage box is arranged in the greenhouse. Therefore, when the filled solid carbon dioxide is consumed, the solid carbon dioxide can be replenished in the storage box. Well, it is possible to continue the supply of carbon dioxide into the greenhouse with a small amount of labor, and in addition, the control means can control the opening and closing of the lid to control the concentration of carbon dioxide in the greenhouse to a desired value. .
【図１】本発明の装置の実施例の概略図である。1 is a schematic view of an embodiment of the device of the present invention.
【図２】本発明の装置の実施例の説明図である。FIG. 2 is an explanatory diagram of an embodiment of the device of the present invention.
１ 温室 ２ 固形炭酸 ３ 保管箱 １０ 電動ユニット １３ 制御盤 １５ タイマ １８ 炭酸ガス濃度計 ２０ ファン ３０ 加熱装置 1 Greenhouse 2 Solid Carbonate 3 Storage Box 10 Electric Unit 13 Control Panel 15 Timer 18 Carbon Dioxide Concentration Meter 20 Fan 30 Heating Device
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐藤 正雄 東京都千代田区猿楽町二丁目五番三号 株 式会社コステムヨシダ内 (72)発明者 野▲崎▼ 實 東京都千代田区猿楽町二丁目五番三号 株 式会社コステムヨシダ内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Masao Sato Inventor Masao Sato 2-5-3, Sarugaku-cho, Chiyoda-ku, Tokyo Costem Yoshida Co., Ltd. No. 5 No. 3 Stock company Costem Yoshida
Claims (6)
から発生した炭酸ガスを所定の時間間隔の間温室内に拡
散させることを特徴とする、温室内に炭酸ガスを供給す
る方法。1. A method for supplying carbon dioxide gas into a greenhouse, wherein solid carbon dioxide is placed in the greenhouse and carbon dioxide gas generated from the solid carbon dioxide is diffused into the greenhouse for a predetermined time interval.
温室内に配置されるべき保管箱と、開口を開閉すべく保
管箱に設けられたフタと、フタを開閉自在に駆動すべく
保管箱及びフタに連結された駆動手段と、保管箱内の固
形炭酸を昇華させると共に発生した炭酸ガスを温室内に
拡散すべく保管箱の上方に配置されたファンと、温室内
の炭酸ガスの濃度が所定の値になるようにフタの開閉を
行うように駆動手段を制御する制御手段とを備えること
を特徴とする、温室用の炭酸ガスの供給装置。2. Storage of solid carbon dioxide and an opening,
The storage box to be placed in the greenhouse, the lid provided on the storage box to open and close the opening, the storage box and the drive means connected to the lid to open and close the lid, and the solid inside the storage box. Driven to open and close the fan placed above the storage box to sublime the carbon dioxide and diffuse the generated carbon dioxide into the greenhouse, and the lid so that the concentration of carbon dioxide in the greenhouse becomes a predetermined value. And a control means for controlling the means.
共に、温室内の炭酸ガスの濃度を検知する炭酸ガス濃度
計を含むことを特徴とする、請求項２に記載の装置。3. The apparatus according to claim 2, wherein the control means is provided in the greenhouse and includes a carbon dioxide concentration meter for detecting the concentration of carbon dioxide in the greenhouse.
刻を設定し得るタイマを含み、タイマによって設定され
た開放時刻にフタを開放すると共に、タイマによって設
定された閉鎖時刻にフタを閉鎖するように駆動手段を制
御することを特徴とする、請求項２又は３に記載の装
置。4. The control means includes a timer capable of setting an opening time and a closing time of the lid, opening the lid at the opening time set by the timer, and closing the lid at the closing time set by the timer. Device according to claim 2 or 3, characterized in that it controls the drive means in such a way.
とを特徴とする、請求項２から４のいずれか一項に記載
の装置。5. Device according to any one of claims 2 to 4, characterized in that the fan is controlled by control means.
置が設けられており、当該加熱装置は制御手段によって
制御されることを特徴とする、請求項２から５のいずれ
か一項に記載の装置。6. The storage box is provided with a heating device for heating solid carbonic acid, and the heating device is controlled by a control means. The described device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6072187A JPH07274724A (en) | 1994-04-11 | 1994-04-11 | Method for supplying carbon dioxide gas into greenhouse and apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6072187A JPH07274724A (en) | 1994-04-11 | 1994-04-11 | Method for supplying carbon dioxide gas into greenhouse and apparatus therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07274724A true JPH07274724A (en) | 1995-10-24 |
Family
ID=13481967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6072187A Pending JPH07274724A (en) | 1994-04-11 | 1994-04-11 | Method for supplying carbon dioxide gas into greenhouse and apparatus therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07274724A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070010A1 (en) * | 2000-03-24 | 2001-09-27 | Japan Science And Technology Corporation | Method of producing plant seeds |
| KR101031772B1 (en) * | 2009-05-21 | 2011-04-29 | 오석인 | Carbon dioxide supply device using dry ice |
| KR101152290B1 (en) * | 2009-08-03 | 2012-06-14 | 오석인 | Co2 generator using dry ice |
| KR101876264B1 (en) * | 2012-10-31 | 2018-07-10 | 재단법인 포항산업과학연구원 | Carbondioxide level control apparatus and controlled atmosphere storage |
| JP2020178599A (en) * | 2019-04-24 | 2020-11-05 | 株式会社クボタ | Plant cultivation system |
| JP2020178598A (en) * | 2019-04-24 | 2020-11-05 | 株式会社クボタ | Plant cultivation system |
-
1994
- 1994-04-11 JP JP6072187A patent/JPH07274724A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001070010A1 (en) * | 2000-03-24 | 2001-09-27 | Japan Science And Technology Corporation | Method of producing plant seeds |
| KR101031772B1 (en) * | 2009-05-21 | 2011-04-29 | 오석인 | Carbon dioxide supply device using dry ice |
| KR101152290B1 (en) * | 2009-08-03 | 2012-06-14 | 오석인 | Co2 generator using dry ice |
| KR101876264B1 (en) * | 2012-10-31 | 2018-07-10 | 재단법인 포항산업과학연구원 | Carbondioxide level control apparatus and controlled atmosphere storage |
| JP2020178599A (en) * | 2019-04-24 | 2020-11-05 | 株式会社クボタ | Plant cultivation system |
| JP2020178598A (en) * | 2019-04-24 | 2020-11-05 | 株式会社クボタ | Plant cultivation system |
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