JPS62210926A - Method for enhancing yield of plant - Google Patents
Method for enhancing yield of plantInfo
- Publication number
- JPS62210926A JPS62210926A JP61053522A JP5352286A JPS62210926A JP S62210926 A JPS62210926 A JP S62210926A JP 61053522 A JP61053522 A JP 61053522A JP 5352286 A JP5352286 A JP 5352286A JP S62210926 A JPS62210926 A JP S62210926A
- Authority
- JP
- Japan
- Prior art keywords
- kerosene
- fuel
- plant
- environment
- carbon dioxide
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 15
- 230000002708 enhancing effect Effects 0.000 title claims description 4
- 239000003350 kerosene Substances 0.000 claims description 26
- 239000000446 fuel Substances 0.000 claims description 25
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 22
- 241000196324 Embryophyta Species 0.000 claims description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 11
- 229930195733 hydrocarbon Natural products 0.000 claims description 11
- 150000002430 hydrocarbons Chemical class 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 230000008635 plant growth Effects 0.000 claims description 8
- 240000008067 Cucumis sativus Species 0.000 claims description 6
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 4
- 240000001980 Cucurbita pepo Species 0.000 claims description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 235000009849 Cucumis sativus Nutrition 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000013311 vegetables Nutrition 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
Landscapes
- Cultivation Of Plants (AREA)
- Greenhouses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は、温室のような加熱された環境で植物成長の効
率を高める方法に一関する。と（に本発明は、環境を加
熱するために特定の燃料を用いることによって果物及び
野菜の収穫を増大させることに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of increasing the efficiency of plant growth in a heated environment such as a greenhouse. The present invention relates to increasing fruit and vegetable yields by using specific fuels to heat the environment.
温室内で液体又は気体燃料を燃焼することにより温室を
加熱することは慣用であり、またそのような燃料を用い
るヒーターは周知である。広く使用されているそのよう
なヒーターのための燃料としてケロシンは広く用いられ
ている。温室の加熱においてケロシンのような炭化水素
燃料を用いることは、植物の成長の促進において別の利
益をもたらすことが判っている。なぜなら、二酸化炭素
が生成し、これは光合成において二酸化炭素を必要とす
る植物に有利な影響を持つからである。It is common practice to heat greenhouses by burning liquid or gaseous fuels within the greenhouse, and heaters using such fuels are well known. Kerosene is widely used as a fuel for such heaters. The use of hydrocarbon fuels such as kerosene in heating greenhouses has been found to provide additional benefits in promoting plant growth. This is because carbon dioxide is produced, which has a beneficial effect on plants that require carbon dioxide in photosynthesis.
驚ろくべきことに本発明者は、この分野での利用のため
に従来知られていなかった成る種の炭化水素燃料の燃焼
が、公知の燃料に比べて植物成長調節とくに植物収穫に
おいて利益を提供しうろことを見い出した。Surprisingly, the inventors have demonstrated that the combustion of a type of hydrocarbon fuel not previously known for use in this field provides benefits over known fuels in plant growth regulation, particularly in plant harvesting. I found Shiuroko.
すなわち、本発明は、加熱された環境で植物の成長を高
める方法において、５重量％未満の芳香族炭化水素を含
むパラフィン系及びナフテン系炭化水素を含む燃料を上
記環境中で燃焼させて、植物に熱源及び二酸化炭素源を
与えるところの方法である。That is, the present invention provides a method for enhancing plant growth in a heated environment, in which a fuel containing paraffinic and naphthenic hydrocarbons containing less than 5% by weight of aromatic hydrocarbons is combusted in the above environment. This method provides a source of heat and carbon dioxide to the plant.
本発明で用いられる炭化水素燃料は好ましくは、１重量
未満の芳香族化合物を含み、典型的には約０．７５重量
％の芳香族化合物を含む。最も好ましくは、燃料は、１
重量％未満の芳香族化合物をふくむ脱芳香族化ケロシン
タイプ留分であり、芳香族化合物含量は望ましくはより
低いレベルにさえ下げられる。燃料はまた好ましくは、
４０〜６０重量％のパラフィン系炭化水素（ｎ−パラフ
ィン及びイソパラフィン）を含み、残部はナフテン系炭
化水素である。The hydrocarbon fuel used in the present invention preferably contains less than 1 weight percent aromatics, typically about 0.75% by weight aromatics. Most preferably the fuel is 1
A dearomatized kerosene type cut containing less than % by weight of aromatics, the aromatics content being desirably reduced to even lower levels. The fuel is also preferably
It contains 40 to 60% by weight of paraffinic hydrocarbons (n-paraffins and isoparaffins), and the remainder is naphthenic hydrocarbons.
本炭化水素燃料は一般に、１２０〜３００℃、より好ま
しくは１５０〜２５０℃、最も好ましくは１５０〜２０
０℃の沸点範囲を持つ留分を含む。The hydrocarbon fuel is generally 120-300°C, more preferably 150-250°C, most preferably 150-200°C.
Contains fractions with a boiling range of 0°C.
この種の環境において燃料として従来用いられている慣
用のケロシンは、本発明で用いられる燃料よりも高い芳
香族化合物含量、つまり約５重量％以上、典型的ケロシ
ンでは２０重量％又はそれ以上の芳香族化合物含量を持
つ。一般に加熱目的のためのケロシンの製造において、
温和な水添処理（ハイドロトリーティング）工程が、本
発明で規定したレベルまで芳香族炭化水素を除去しない
ような条件で行われる。水素添加によってケロシンを脱
芳香族化することが可能である。すなわち本発明の好ま
しい態様において、パラフィン系炭化水素燃料は水素添
加されたケロシンである。ケロシンを本発明で用いられ
る燃料に用いられる水素添加工程は、利用できる原料に
関係して、芳香族化合物含量を望むレベルに低下できる
ように選択しなければならない。たとえば、典型的な条
件は、１５〜３０バールで、１００℃（入口最低）〜２
５０℃（出口最高）の温度で固体ニッケル触媒上で水素
により水素添加し、必要なら分別するというものである
。Conventional kerosene, conventionally used as a fuel in this type of environment, has a higher aromatics content than the fuel used in the present invention, i.e., about 5% by weight or more, compared to 20% by weight or more for typical kerosene. It has a content of group compounds. In the production of kerosene, generally for heating purposes,
A mild hydrotreating step is carried out under conditions that do not remove aromatic hydrocarbons to the levels specified in this invention. It is possible to dearomatize kerosene by hydrogenation. That is, in a preferred embodiment of the present invention, the paraffinic hydrocarbon fuel is hydrogenated kerosene. The hydrogenation process used to make kerosene the fuel used in the present invention must be chosen to reduce the aromatics content to the desired level, in relation to the available raw materials. For example, typical conditions are 15-30 bar and 100°C (inlet minimum) to 2
Hydrogenation with hydrogen over a solid nickel catalyst at a temperature of 50° C. (exit maximum) and fractionation if necessary.
本発明で用いうる市販入手できる脱芳香族化炭化水素燃
料の例は、エクソン ケミカル ジャパン社から入手で
きるエフソール（Ｅｘｘｓｏｌ ：商標）タイプの炭化
水素である。An example of a commercially available dearomatized hydrocarbon fuel that may be used in the present invention is an Exxsol® type hydrocarbon available from Exxon Chemical Japan.
本発明方法は、温室のような加熱された環境で成長され
うる光合成に依存する任意の植物について用いることが
できる。それは、キュウリのようなりクルビット（ｃｕ
ｃｕｒｂｉｔ ）又はゴアド（ｇｏｕｒｄ ）科の員に
対して特に効果的である。驚ろくべきことには、本発明
方法は、ケロシンで又は二酸化炭素を作らない熱源によ
り加熱される環境中で成長される植物と比べて向上され
た成長挙動を与えることが見い出された。The method of the invention can be used with any plant that relies on photosynthesis that can be grown in a heated environment such as a greenhouse. It looks like a cucumber and is called curvit (cu).
curbit) or members of the gourd family. Surprisingly, it has been found that the method of the invention provides improved growth behavior compared to plants grown in an environment heated with kerosene or by a heat source that does not produce carbon dioxide.
主として収１を量の増加に関しての植物成長への影響の
他に、他の効果たとえば側枝発生の増加もまた見られた
。Besides the effects on plant growth, mainly regarding increased yield, other effects were also observed, such as increased lateral branch development.
これら観察された効果は顕著であり、この挙動のメカニ
ズムは完全に理解されていない。単なる例示として、次
のように考えられる。本発明で用いられ°る燃料は高純
度二酸化炭素源を提供し、従って望ましくない不純物が
低減される。あるいは、植物成長に有効な燃料の燃焼に
より作られる他の物質たとえばエチレンのレベルがかな
す異るのかも知れない。These observed effects are significant and the mechanism of this behavior is not completely understood. Merely by way of example, the following may be considered. The fuel used in the present invention provides a source of high purity carbon dioxide, thus reducing undesirable impurities. Alternatively, the difference may be in the levels of other substances produced by combustion of the fuel that are effective for plant growth, such as ethylene.
慣用のケロシンの燃焼により加熱された植物に比べて収
穫の増大は顕著であり、野菜及び果物たとえばキュウリ
の温室栽培においては小さな収穫増大であっても有意義
である。The yield increase is significant compared to plants heated by conventional kerosene combustion, and even small yield increases are significant in greenhouse cultivation of vegetables and fruits such as cucumbers.
本発明の方法は、加熱される環境内のバーナーで用いら
れる加熱燃料の少くとも一部を本発明で規定した燃料に
より置き替えることによって達成される。すなわち、水
素添加されたケロシンのような燃料は、他の点では慣用
のケロシンヒーターで燃焼され、この際生成された二酸
化炭素及び他の分解生成物は加熱される環境に入ってゆ
くことを許される。本方法は通常、温室で用いられるが
、植物が成長され熱を要求するところの任意の空間で使
用されうる。The method of the invention is achieved by replacing at least a portion of the heating fuel used in the burner in the heated environment with a fuel defined by the invention. That is, a fuel such as hydrogenated kerosene is combusted in an otherwise conventional kerosene heater, and the carbon dioxide and other decomposition products produced are allowed to enter the environment to be heated. It will be done. The method is typically used in greenhouses, but can be used in any space where plants are grown and require heat.
本発明を以下の実施例により更に詳しく説明するが、こ
れは単なる例示であって、本発明を限定するものではな
い。The present invention will be explained in more detail with reference to the following examples, which are merely illustrative and do not limit the present invention.
実施例
三つの異る手段で加熱された温室内でキュウリがテスト
のために４０日間成長された：１、 Ｅｘｘｓｏｌ
Ｄ４０ （エクソン ケミカル ジャパン社より入手で
きる、水素添加したケロシン留分（沸点範囲１５５〜１
９６℃、０．５重量％芳香族化合物、１ ｐｐｍ硫黄）
）を燃焼。EXAMPLE Cucumbers were grown for 40 days for testing in a greenhouse heated by three different means: 1. Exxsol
D40 (hydrogenated kerosene fraction (boiling range 155-1
96°C, 0.5 wt% aromatics, 1 ppm sulfur)
) burning.
２、ケロシン（沸点範囲１５０〜２６０℃、２０重量％
芳香族化合物、３０ｐｐｍ硫黄）を燃焼。2. Kerosene (boiling point range 150-260℃, 20% by weight
Burns aromatic compounds, 30 ppm sulfur).
３、二酸化炭素を生成しない加熱源を使用。植物を観察
し、収量を記録した。結果を下記の表に示す。3. Use a heating source that does not produce carbon dioxide. Plants were observed and yield recorded. The results are shown in the table below.
表１から、テストされた二つのキュウリ種においてＥｘ
ｘｓｏｌ Ｄ ４０処理が最高の合計収量を与えたこと
が判る。From Table 1, Ex
It can be seen that the xsol D 40 treatment gave the highest total yield.
植えつけてから４０日後の観察（表２）によると、高さ
及び葉の数の両者とも二つのＣＯ２処理で最大・であり
、燃料間の差は無視しうる。主枝雌花発生率は、ＣＯ□
処理により少し減少した。しかしテストの終りに観察し
た側枝発生（表３）は、種間の明らかな差を示し、王金
女神随２が、とくにＥｘｘｓｏｌ Ｄ ４０でのＣＯ２
処理により高い数を示した。Ｅｘｘｓｏｌ Ｄ ４０は
また、通常のケロシンに比べて阻２種における側枝発生
を促進し、これがテスト期間の後半においてこの種につ
いて観察されたより高い収量に寄与したと考えられる。Observations 40 days after planting (Table 2) show that both height and number of leaves are maximum in the two CO2 treatments, with negligible differences between the fuels. Main branch female flower incidence is CO□
It decreased slightly after processing. However, the side branch development observed at the end of the test (Table 3) showed clear differences between the species, with Ojin Goddessui 2 exhibiting particularly low CO2 at Exxsol D 40.
Treatment showed higher numbers. Exxsol D 40 also promoted side branch development in the kerosene species compared to regular kerosene, which may have contributed to the higher yield observed for this species in the second half of the test period.
キュウリ成長の初期においてＣＯ□ガス適用の効果はか
なり強く、処理間の差がでないと考えられる。しかし、
加熱のためにケロシンが用いられるときに一般に観察さ
れる老化現象が、この実験において通常のケロシンの場
合に観察された。しかし、後期において、Ｅｘｘｓｏｌ
Ｄ ４０が用いられた場合には新しい側枝発生が観察
され、これはＥｘｘｓｏｌ Ｄ ４０と通常のケロシン
により発生されたエチレン濃度の差に起因するのかも知
れない。At the early stage of cucumber growth, the effect of CO□ gas application is quite strong, and there is no difference between treatments. but,
The aging phenomenon commonly observed when kerosene is used for heating was observed in the case of regular kerosene in this experiment. However, in the later stages, Exxsol
New side branch development was observed when D 40 was used, which may be due to the difference in ethylene concentration generated by Exxsol D 40 and regular kerosene.
表 １
Ｅｘｘｓｏｌ ０４０ １６０．５（１１３） １４
１．［１１７）ケロシン １５３．２（１０Ｂ）
１４６．９（１２２）無処理 １４１．５（１００）
１２０．６（１００）吐■
Ｅｘｘｓｏｌ ロ４０ ４０５．０（１２４
） ４４９．５（１２３）ケロシン ３
８１．１（１１７） ４３１．７（１１Ｂ）無処理
３２６．３（１００） ３６４．４（１００）＊注
）キュウリの種類
Ｅｘｘｓｏｌ ０４０ １２５．５ ２０．３
８０．８ケロシン １２４．３ １９．６
８２．３無処理 １０５．６ １？、９ ８３．３秀
−一一一周
Ｅｘｘｓｏｌ ０４０ １１０．０
１Ｂ、６ ７３．５ケロシン １１２．７
１９．３ ７１．６無処理 ９５．１ １６．７ ８
０．４−調査は、植えつけてから４０日目に行われた。Table 1 Exxsol 040 160.5 (113) 14
1. [117) Kerosene 153.2 (10B)
146.9 (122) No treatment 141.5 (100)
120.6 (100) Exxsol Ro40 405.0 (124
) 449.5 (123) Kerosene 3
81.1 (117) 431.7 (11B) Untreated 326.3 (100) 364.4 (100) *Note) Type of cucumber Exxsol 040 125.5 20.3
80.8 Kerosene 124.3 19.6
82.3 No treatment 105.6 1? , 9 83.3 Hide-111 Shu Exxsol 040 110.0
1B, 6 73.5 Kerosene 112.7
19.3 71.6 No treatment 95.1 16.7 8
0.4 - The study was carried out on the 40th day after planting.
−生技雌花率：
Ｅｘｘｓｏｌ ０４０ Ｂ ０．３ ５
５．９ケロシン ７５．６ ５８．７無処理
６３．１ ５６．０
側枝発生率：-Female flower rate: Exxsol 040 B 0.3 5
5.9 Kerosene 75.6 58.7 Untreated
63.1 56.0 Side branch incidence:
Claims (1)
、５重量％未満の芳香族炭化水素を含むパラフィン系及
びナフテン系炭化水素を含む燃料を上記環境中で燃焼さ
せて、植物に熱源及び二酸化炭素源を与えるところの方
法。 ２、燃料が１重量％未満の芳香族炭化水素を含む特許請
求の範囲第１項記載の方法。 ３、植物がククルビット（ｃｕｃｕｒｂｉｔ）又はゴア
ド（ｇｏｕｒｄ）科に属するものである特許請求の範囲
第１項又は第２項記載の方法。 ４、植物がキュウリである特許請求の範囲第３項記載の
方法。 ５、加熱された環境で植物の成長を高める方法において
、脱芳香族化したケロシンを上記環境中で燃焼させて、
植物に熱源及び二酸化炭素源を与える方法。[Claims] 1. A method for enhancing plant growth in a heated environment, comprising burning a fuel containing paraffinic and naphthenic hydrocarbons containing less than 5% by weight of aromatic hydrocarbons in the above environment. , a method of providing a heat source and a carbon dioxide source to plants. 2. The method of claim 1, wherein the fuel contains less than 1% by weight of aromatic hydrocarbons. 3. The method according to claim 1 or 2, wherein the plant belongs to the cucurbit or gourd family. 4. The method according to claim 3, wherein the plant is a cucumber. 5. A method for enhancing plant growth in a heated environment, comprising burning dearomatized kerosene in the above environment;
A method of providing heat and carbon dioxide sources to plants.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61053522A JPS62210926A (en) | 1986-03-11 | 1986-03-11 | Method for enhancing yield of plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61053522A JPS62210926A (en) | 1986-03-11 | 1986-03-11 | Method for enhancing yield of plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62210926A true JPS62210926A (en) | 1987-09-17 |
| JPH0513601B2 JPH0513601B2 (en) | 1993-02-23 |
Family
ID=12945149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61053522A Granted JPS62210926A (en) | 1986-03-11 | 1986-03-11 | Method for enhancing yield of plant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62210926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996016535A1 (en) * | 1994-11-29 | 1996-06-06 | Commonwealth Scientific And Industrial Research Organisation | Method of plant tissue culture |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58220626A (en) * | 1982-06-17 | 1983-12-22 | 財団法人産業創造研究所 | Atmosphere adjustment in carbon dioxide fertilizing and cultivating house |
| JPS6027324A (en) * | 1983-07-25 | 1985-02-12 | 第一商事株式会社 | Heating method of glass greenhouse by using kerosene or propane as fuel and carbon dioxide supply method |
-
1986
- 1986-03-11 JP JP61053522A patent/JPS62210926A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58220626A (en) * | 1982-06-17 | 1983-12-22 | 財団法人産業創造研究所 | Atmosphere adjustment in carbon dioxide fertilizing and cultivating house |
| JPS6027324A (en) * | 1983-07-25 | 1985-02-12 | 第一商事株式会社 | Heating method of glass greenhouse by using kerosene or propane as fuel and carbon dioxide supply method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996016535A1 (en) * | 1994-11-29 | 1996-06-06 | Commonwealth Scientific And Industrial Research Organisation | Method of plant tissue culture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513601B2 (en) | 1993-02-23 |
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