JP2887555B2 - Nitrate nitrogen content reducing agent for plants - Google Patents
Nitrate nitrogen content reducing agent for plantsInfo
- Publication number
- JP2887555B2 JP2887555B2 JP5205079A JP20507993A JP2887555B2 JP 2887555 B2 JP2887555 B2 JP 2887555B2 JP 5205079 A JP5205079 A JP 5205079A JP 20507993 A JP20507993 A JP 20507993A JP 2887555 B2 JP2887555 B2 JP 2887555B2
- Authority
- JP
- Japan
- Prior art keywords
- nitrate nitrogen
- nitrogen content
- plants
- present
- reducing agent
- 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.)
- Expired - Fee Related
Links
Landscapes
- Cultivation Of Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、植物に適用することに
より、有害なニトロソアミンの原因となる硝酸態窒素の
含量を低減することができる植物の硝酸態窒素含量低減
剤に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agent for reducing nitrate nitrogen content in plants, which can reduce the content of nitrate nitrogen causing harmful nitrosamines when applied to plants.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】硝酸態
窒素は、体内で一部分が腸内細菌により亜硝酸に還元さ
れ、他の食物中の２級アミンと結合し、変異原性物質で
あるニトロソアミンを生成することが知られている。こ
のニトロソアミンは、癌や腫瘍等を引き起こすため人間
の健康に有害である。従って、食品中の硝酸態窒素含量
の低減化が望まれている。BACKGROUND OF THE INVENTION Nitrate nitrogen is a mutagenic substance in the body, part of which is reduced to nitrite by intestinal bacteria and binds to secondary amines in other foods. It is known to produce nitrosamines. This nitrosamine is harmful to human health because it causes cancer and tumors. Therefore, reduction of the content of nitrate nitrogen in food is desired.
【０００３】また、人体への硝酸態窒素摂取は、食品中
特に野菜に由来していることから、野菜中の硝酸態窒素
を低減することは、特に重要である。[0003] Since the intake of nitrate nitrogen into the human body is derived from foods, particularly from vegetables, it is particularly important to reduce nitrate nitrogen in vegetables.
【０００４】一方、硝酸態窒素は、人間の食料のみなら
ず、家畜の飼料用作物においても同様に問題となってい
る。このため、飼料中の硝酸態窒素の基準値が定められ
ており、硝酸態窒素の低減化は必須の課題である。On the other hand, nitrate nitrogen has become a problem not only in human food but also in livestock feed crops. For this reason, the standard value of nitrate nitrogen in feed is determined, and reduction of nitrate nitrogen is an indispensable subject.
【０００５】そこで、植物の硝酸態窒素含量の低減化の
ため栽培方法、特に施肥方法が検討されている。これ
は、施肥量を抑えたり、遅効性肥料を用いたりする方法
であるが、肥料を制限するため、通常の栽培法に比べ、
生育が遅く、収量も少ないという欠点があった。[0005] Therefore, cultivation methods, especially fertilization methods, have been studied to reduce the nitrate nitrogen content of plants. This is a method to reduce the amount of fertilizer or use a slow-acting fertilizer, but to limit the fertilizer, compared to normal cultivation methods
There were drawbacks of slow growth and low yield.
【０００６】また、硝化抑制剤入り肥料により、植物の
硝酸態窒素含量を低下する方法が開発され、一部実用化
されているが、コストの上昇をまねき、また、硝酸態窒
素含量を低減させる効果も充分なものではなかった。Further, a method for reducing the nitrate nitrogen content of plants by using a fertilizer containing a nitrification inhibitor has been developed and partially put into practical use. However, this leads to an increase in cost and a reduction in the nitrate nitrogen content. The effect was not enough.
【０００７】従って本発明の目的は、植物の硝酸態窒素
を有効に低減させる薬剤を開発することにある。[0007] Accordingly, it is an object of the present invention to develop an agent that effectively reduces nitrate nitrogen in plants.
【０００８】[0008]
【課題を解決するための手段】斯かる実情に鑑み本発明
者らは、植物の硝酸態窒素含量低減剤を見出すべく鋭意
研究を行った結果、意外にも、５−アミノレブリン酸及
びその塩に植物の硝酸態窒素含量を充分に低減させる効
果があることを見出し本発明を完成した。Means for Solving the Problems In view of such circumstances, the present inventors have conducted intensive studies in order to find an agent for reducing the nitrate nitrogen content of plants. As a result, surprisingly, 5-aminolevulinic acid and a salt thereof have been found. The present inventors have found that there is an effect of sufficiently reducing the nitrate nitrogen content of a plant, and have completed the present invention.
【０００９】すなわち本発明は、５−アミノレブリン酸
又はその塩を含有することを特徴とする植物の硝酸態窒
素含量低減剤を提供するものである。That is, the present invention provides an agent for reducing nitrate nitrogen content in plants, which comprises 5-aminolevulinic acid or a salt thereof.
【００１０】なお、すでに、本発明者らは、５−アミノ
レブリン酸又はその塩を植物体に処理する方法で、植物
の成長を促進できることを明らかにし、先に提案してい
る（特開平４−３３８３０５号公報）。しかしながら、
今回提案する植物の硝酸態窒素含量低減効果は、先に提
案した成長促進効果からは予想できない新たな効果であ
る。本発明の有効成分として用いられる５−アミノレブ
リン酸又はその塩は公知の天然物であり、化学合成法、
微生物法、酵素法、天然抽出法等により製造されるが、
いずれの製造法によるものであっても使用に差し支えな
い。また、本効果を阻害する物質を含有しない限り分離
精製なしで、例えば発酵生産物のままでも使用すること
ができる。また、５−アミノレブリン酸の塩としては、
例えば塩酸塩、リン酸塩、硝酸塩、硫酸塩、酢酸塩、プ
ロピオン酸塩、酪酸塩、吉草酸塩、クエン酸塩、フマル
酸塩、マレイン酸塩、リンゴ酸塩等の酸付加塩及びナト
リウム塩、カリウム塩、カルシウム塩等の金属塩が挙げ
られる。本発明の硝酸態窒素含量低減剤を植物に適用
し、硝酸態窒素含量を低減させるには、植物に対して５
−アミノレブリン酸又はその塩が吸収されるならば、ど
のような処理方法を用いてもよく、例えば、茎葉処理で
も土壌処理等でもよい。また、水耕栽培等の場合、５−
アミノレブリン酸水溶液として根から吸収させてもよ
い。The present inventors have already shown that a method of treating a plant with 5-aminolevulinic acid or a salt thereof can promote the growth of a plant, and have already proposed the method (Japanese Patent Laid-Open No. 4-1992). 338305). However,
The nitrate nitrogen content reduction effect of the plant proposed this time is a new effect that cannot be expected from the growth promotion effect proposed earlier. 5-Aminolevulinic acid or a salt thereof used as an active ingredient of the present invention is a known natural product, and is chemically synthesized.
It is manufactured by microbial methods, enzymatic methods, natural extraction methods, etc.
Any production method may be used. Further, as long as it does not contain a substance that inhibits the effect, it can be used without separation and purification, for example, as a fermentation product. Also, as the salt of 5-aminolevulinic acid,
For example, acid addition salts and sodium salts such as hydrochloride, phosphate, nitrate, sulfate, acetate, propionate, butyrate, valerate, citrate, fumarate, maleate and malate. And metal salts such as potassium salt and calcium salt. Applying the nitrate nitrogen content reducing agent of the present invention to a plant to reduce the nitrate nitrogen content requires 5
Any treatment method may be used as long as aminolevulinic acid or a salt thereof is absorbed, for example, foliage treatment or soil treatment. In the case of hydroponics, etc., 5-
Aminolevulinic acid aqueous solution may be absorbed from the roots.
【００１１】本発明の硝酸態窒素含量低減剤中の５−ア
ミノレブリン酸の濃度は、茎葉処理の場合、１〜１００
０ppm 、特に５〜５００ppm とすることが好ましく、使
用量は１０アール当たり１０〜１０００ｌ、特に５０〜
３００ｌとすることが好ましい。茎葉処理の場合、葉面
に薬剤が付着しにくい植物に対して用いる場合には、展
着剤を併用することが好ましい。展着剤の種類及び濃度
は特に制限されず、常法により適宜決定すればよい。The concentration of 5-aminolevulinic acid in the nitrate nitrogen content reducing agent of the present invention is 1 to 100 in the case of foliage treatment.
It is preferably 0 ppm, especially 5 to 500 ppm, and the amount used is 10 to 1000 l per 10 ares, especially 50 to 500 l.
Preferably it is 300 l. In the case of foliage treatment, it is preferable to use a spreading agent in combination when using a plant that does not easily adhere to the leaf surface. The type and concentration of the spreading agent are not particularly limited, and may be appropriately determined by a conventional method.
【００１２】また、本発明の硝酸態窒素含量低減剤で土
壌処理を行う場合は、５−アミノレブリン酸が１０アー
ル当たり０．５〜８００ｇ、特に１〜３００ｇとなるよ
うに土壌に散布することが好ましい。When soil treatment is carried out with the nitrate nitrogen content reducing agent of the present invention, 5-aminolevulinic acid may be sprayed on the soil in an amount of 0.5 to 800 g, especially 1 to 300 g, per 10 ares. preferable.
【００１３】本発明の硝酸態窒素含量低減剤を水耕栽培
等水溶液として根から吸収させる場合、５−アミノレブ
リン酸の濃度は０．００１〜５０ppm 、特に０．０１〜
２０ppm とすることが好ましい。When the nitrate nitrogen content reducing agent of the present invention is absorbed from the roots as an aqueous solution for hydroponic cultivation, the concentration of 5-aminolevulinic acid is 0.001 to 50 ppm, particularly 0.01 to 50 ppm.
Preferably, it is 20 ppm.
【００１４】本発明の硝酸態窒素含量低減剤は、上記の
処理を一回施すだけで充分な効果が得られるが、更に効
果を高めるために複数回処理してもよい。また、処理の
時期は特に問わないが、生育初期の処理が好ましい。The nitrate nitrogen content reducing agent of the present invention can provide a sufficient effect by performing the above treatment only once, but may be treated a plurality of times to further enhance the effect. Further, the timing of the treatment is not particularly limited, but the treatment at the initial stage of growth is preferable.
【００１５】なお、本発明の硝酸態窒素含量低減剤は、
本発明の効果を妨げない限り、他の農薬、肥料等と混合
して用いることもできる。The nitrate nitrogen content reducing agent of the present invention comprises:
As long as the effects of the present invention are not hindered, they can be used by mixing with other agricultural chemicals, fertilizers, and the like.
【００１６】本発明の適用対象となる植物としては、硝
酸態窒素含量の高いもの、すなわち、植物体中の硝酸態
窒素の窒素含量が、該植物体中の全窒素量の０．５重量
％以上、特に１重量％以上のものが好ましい。具体的に
はホウレンソウ、ハクサイ、キャベツ、レタス等の野
菜；青刈トウモロコシ、クローバー等の飼料用牧草；オ
オバコ、イタドリ、カタバミ、ギシギシ等の雑草等が例
示される。The plants to which the present invention is applied include those having a high nitrate nitrogen content, that is, the nitrogen content of the nitrate nitrogen in the plant is 0.5% by weight of the total nitrogen in the plant. Above, particularly preferably 1% by weight or more. Specific examples include vegetables such as spinach, Chinese cabbage, cabbage, and lettuce; forage grass such as green corn and clover;
【００１７】なお、上記の植物であっても、肥料条件や
栽培条件によって、硝酸態窒素含量の少ない場合があ
る。このような場合は、本発明の適用効果は減少する
が、本発明を適用するまでもなく食用等に供することが
できる。[0017] Even in the above-mentioned plants, the content of nitrate nitrogen may be low depending on fertilizer conditions and cultivation conditions. In such a case, the application effect of the present invention is reduced, but the present invention can be used for food or the like without applying the present invention.
【００１８】[0018]
【発明の効果】本発明の硝酸態窒素含量低減剤は、硝酸
態窒素含量の多い植物の硝酸態窒素を有効かつ簡便に低
減することができる。Industrial Applicability The nitrate nitrogen content reducing agent of the present invention can effectively and simply reduce nitrate nitrogen in plants having a high nitrate nitrogen content.
【００１９】[0019]
【実施例】次に実施例を挙げて本発明を更に詳細に説明
するが本発明は、これら実施例に何ら限定されるもので
はない。Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.
【００２０】実施例１ １０月２０日に、ホウレンソウ種子（グローリー・タキ
イ種苗）を畑地土壌を充填した１／５０００ａワグネル
ポットに１ポット当たり１１粒播種した。肥料は、基肥
として、化成肥料、そ菜３号（Ｎ：Ｐ2Ｏ5：Ｋ2Ｏ＝１
５：１５：１５）を１ポット当たり１．５ｇ施し、追肥
は行わなかった。ガラス温室内で通常の管理を行い、生
育と共に漸次間引き、均一な３個体を残し生育させた。
１１月１１日に５−アミノレブリン酸塩酸塩の０
（水）、５０ppm 、１００ppm 、３００ppm の各濃度の
水溶液に展着剤（アプローチ・花王（株）社製）を０．
１ml／１００mlの割合で添加し、１ポット当たり２０ml
あて茎葉処理した。各処理区は、６反復とした。更にガ
ラス温室内で通常の管理を行い１月１８日に収穫し、常
法に従い高速液体クロマトグラフ（ＨＰＬＣ）を用いて
葉中の硝酸態窒素含量を測定し、硝酸態窒素の窒素含量
を算出した。結果を表１に示す。Example 1 On October 20, 11 spinach seeds (Glory and Takii seeds) were sown in 1 / 5000a Wagner pots filled with field soil. The fertilizer was a chemical fertilizer, Sona No. 3 (N: P 2 O 5 : K 2 O = 1) as a base fertilizer.
5:15:15) was applied at 1.5 g per pot, and no topdressing was performed. Ordinary management was performed in a glass greenhouse, and thinning was gradually performed with the growth, leaving three uniform individuals to grow.
On November 11, 5-aminolevulinic acid hydrochloride
(Water), 50 ppm, 100 ppm, and 300 ppm of an aqueous solution at each concentration of a spreading agent (Approach, manufactured by Kao Corporation).
Add 1ml / 100ml at a rate of 20ml per pot
The leaves were treated with foliage. Each treatment group had 6 repetitions. Further, normal management was performed in a glass greenhouse, and the plants were harvested on January 18, and the nitrate nitrogen content in the leaves was measured using a high performance liquid chromatograph (HPLC) according to a conventional method to calculate the nitrogen content of the nitrate nitrogen. did. Table 1 shows the results.
【００２１】[0021]
【表１】 [Table 1]
【００２２】表１より明らかなように、本剤の処理によ
って硝酸態窒素の窒素含量が減少し、特に全窒素に対す
る硝酸態窒素の割合が大きく減少していることがわか
る。As is evident from Table 1, the treatment with the present agent reduced the nitrogen content of nitrate nitrogen, and in particular, greatly reduced the ratio of nitrate nitrogen to total nitrogen.
【００２３】実施例２ ６月１１日に、トウモロコシ種子（雪印スノーデント・
ＲＭ１２０）を畑地土壌を充填した１／５０００ａワグ
ネルポットに１ポット当たり５粒播種した。肥料は、基
肥として、化成肥料、（Ｎ：Ｐ2Ｏ5：Ｋ2Ｏ＝１０：１
０：１０）を１ポット当たり６ｇとマグポロン５ｇを施
し、追肥は行わなかった。ガラス温室内で通常の管理を
行い、生育と共に漸次間引き、均一な２個体を残し生育
させた。８月１日に５−アミノレブリン酸塩酸塩の０
（水）、５０ppm 、１００ppm 、３００ppm の各濃度の
水溶液に展着剤（アプローチ・花王（株）社製）を０．
１ml／１００mlの割合で添加し、１ポット当たり２０ml
あて茎葉処理した。各処理区は、６反復とした。更にガ
ラス温室内で通常の管理を行い８月１４日に収穫し、風
乾後粉砕し、常法に従いＨＰＬＣを用いて硝酸態窒素含
量を測定し、硝酸態窒素の窒素含量を算出した。結果を
表２に示す。EXAMPLE 2 On June 11, corn seeds (Snow Brand Snow Dent
RM120) were sowed in a 1 / 5000a Wagner pot filled with field soil at a rate of 5 seeds per pot. The fertilizer is a chemical fertilizer as a base fertilizer, (N: P 2 O 5 : K 2 O = 10: 1).
0:10), 6 g per pot and 5 g of magporone were applied, and no topdressing was performed. Ordinary management was performed in a glass greenhouse, and thinning was gradually performed with the growth, leaving two uniform individuals to grow. On August 1st, 5-aminolevulinic acid hydrochloride
(Water), 50 ppm, 100 ppm, and 300 ppm of an aqueous solution at each concentration of a spreading agent (Approach, manufactured by Kao Corporation).
Add 1ml / 100ml at a rate of 20ml per pot
The leaves were treated with foliage. Each treatment group had 6 repetitions. Further, normal management was performed in a glass greenhouse, harvested on August 14, air-dried and pulverized, and the nitrate nitrogen content was measured by HPLC using a conventional method to calculate the nitrate nitrogen content. Table 2 shows the results.
【００２４】[0024]
【表２】 [Table 2]
【００２５】表２より明らかなように、本剤の処理によ
って硝酸態窒素の窒素含量が減少し、特に全窒素中の硝
酸態窒素の割合が大きく減少していることがわかる。As is evident from Table 2, the treatment with the present agent reduced the nitrogen content of nitrate nitrogen, and in particular, greatly reduced the proportion of nitrate nitrogen in the total nitrogen.
【００２６】参考例１ ８月８日に、カブ種子（スワン・タキイ種苗）を畑地土
壌を充填した１／５０００ａワグネルポットに１ポット
当たり５粒播種した。肥料は、基肥として、化成肥料、
そ菜３号（Ｎ：Ｐ2Ｏ5：Ｋ2Ｏ＝１５：１５：１５）を
１ポット当たり０．５ｇ施し、追肥は行わなかった。ガ
ラス温室内で通常の管理を行い、生育と共に漸次間引
き、均一な１個体を残し生育させた。９月９日に５−ア
ミノレブリン酸塩酸塩の０（水）、５０ppm 、１００pp
m 、３００ppm の各濃度の水溶液に展着剤（アプローチ
・花王（株）社製）を０．１ml／１００mlの割合で添加
し、１ポット当たり２０mlあて茎葉処理した。各処理区
は、６反復とした。更にガラス温室内で通常の管理を行
い１０月１１日に収穫し、常法に従いＨＰＬＣを用いて
可食部の硝酸態窒素含量を測定し、硝酸態窒素の窒素含
量を算出した。結果を表３に示す。REFERENCE EXAMPLE 1 On August 8, turnip seeds (Swan-Takii seedlings) were sown in 1 / 5000a Wagner pots filled with field soil, five per pot. Fertilizers are chemical fertilizers,
0.5 g of Sona No. 3 (N: P 2 O 5 : K 2 O = 15: 15: 15) was applied per pot, and no topdressing was performed. Ordinary management was performed in a glass greenhouse, and thinning was gradually performed with the growth, leaving one uniform individual to grow. On September 9, 0 (water), 50 ppm, 100 pp of 5-aminolevulinic acid hydrochloride
A spreading agent (produced by Approach Kao Corp.) was added at a ratio of 0.1 ml / 100 ml to an aqueous solution having a concentration of m and 300 ppm, and foliage treatment was applied to 20 ml per pot. Each treatment group had 6 repetitions. Further, normal management was performed in a glass greenhouse and harvested on October 11, and the nitrate nitrogen content of the edible portion was measured using HPLC according to a conventional method to calculate the nitrogen content of the nitrate nitrogen. Table 3 shows the results.
【００２７】[0027]
【表３】 [Table 3]
【００２８】表３より明らかなように、硝酸態窒素含量
が少ないカブの様な植物においては本剤の処理によって
硝酸態窒素の窒素含量、全窒素中の硝酸態窒素の割合と
もにあまり変化していないことがわかる。As is evident from Table 3, in plants such as turnip having a low nitrate nitrogen content, the treatment with the present agent significantly changes both the nitrogen content of the nitrate nitrogen and the ratio of the nitrate nitrogen in the total nitrogen. It turns out there is no.
フロントページの続き (56)参考文献 特開 平４−338305（ＪＰ，Ａ) 特開 平４−173702（ＪＰ，Ａ) 特開 昭49−107844（ＪＰ，Ａ) 特開 平５−49472（ＪＰ，Ａ) 特開 平５−186304（ＪＰ，Ａ) 特開 平６−141681（ＪＰ，Ａ) 特開 平７−53311（ＪＰ，Ａ) 特表 昭61−502814（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) A01N 37/44 A01G 7/06 Continuation of front page (56) References JP-A-4-338305 (JP, A) JP-A-4-173702 (JP, A) JP-A-49-107844 (JP, A) JP-A-5-49472 (JP) JP-A-5-186304 (JP, A) JP-A-6-141681 (JP, A) JP-A-7-53311 (JP, A) JP-T-61-502814 (JP, A) (58) Field surveyed (Int.Cl. 6 , DB name) A01N 37/44 A01G 7/06
Claims (2)
することを特徴とする植物の硝酸態窒素含量低減剤。1. An agent for reducing nitrate nitrogen content of a plant, comprising 5-aminolevulinic acid or a salt thereof.
植物体中の全窒素量の０．５重量％以上である請求項１
記載の植物の硝酸態窒素含量低減剤。2. The nitrogen content of nitrate nitrogen of the target plant is 0.5% by weight or more of the total nitrogen content in the plant.
The agent for reducing a nitrate nitrogen content of a plant according to the above.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5205079A JP2887555B2 (en) | 1993-08-19 | 1993-08-19 | Nitrate nitrogen content reducing agent for plants |
| US08/292,024 US5489572A (en) | 1993-08-19 | 1994-08-18 | Methods for reducing nitrate nitrogen and oxalic acids contents nin plants |
| EP95116955A EP0698345B1 (en) | 1993-08-19 | 1994-08-19 | Use of 5-aminolevulinic acid for reducing nitrate nitrogen content in plants |
| DE69428989T DE69428989T2 (en) | 1993-08-19 | 1994-08-19 | Use of 5-aminolevulinic acid to reduce the nitrate nitrogen content in plants |
| EP94112998A EP0639329B1 (en) | 1993-08-19 | 1994-08-19 | Methods for reducing oxalic acid contents in plants |
| DE69401870T DE69401870T2 (en) | 1993-08-19 | 1994-08-19 | Process for reducing the oxalic acid content in plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5205079A JP2887555B2 (en) | 1993-08-19 | 1993-08-19 | Nitrate nitrogen content reducing agent for plants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0753312A JPH0753312A (en) | 1995-02-28 |
| JP2887555B2 true JP2887555B2 (en) | 1999-04-26 |
Family
ID=16501079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5205079A Expired - Fee Related JP2887555B2 (en) | 1993-08-19 | 1993-08-19 | Nitrate nitrogen content reducing agent for plants |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2887555B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3805599B2 (en) * | 2000-04-10 | 2006-08-02 | 花王株式会社 | Plant vitality agent |
| JP2001316204A (en) * | 2000-04-28 | 2001-11-13 | Kao Corp | Agent for vitalizing plant |
| WO2005073150A1 (en) * | 2004-01-29 | 2005-08-11 | Agro-Consultant Corporation | Fertilizer absorption promoter in abundant fertilizer cultivation |
| CN101863788B (en) | 2004-03-30 | 2012-05-30 | 克斯莫石油株式会社 | 5-aminolevulinic acid phosphate salt, process for producing the same and use thereof |
| JP4719483B2 (en) * | 2004-03-30 | 2011-07-06 | コスモ石油株式会社 | Process for producing 5-aminolevulinic acid sulfonate |
| JP4934293B2 (en) * | 2005-07-05 | 2012-05-16 | コスモ石油株式会社 | Plant vitality composition |
| JP4934292B2 (en) * | 2005-07-05 | 2012-05-16 | コスモ石油株式会社 | 5-Aminolevulinic acid ester phosphoric acid salts, method for producing the same, and use thereof |
| JP2011182658A (en) * | 2010-03-04 | 2011-09-22 | Osaka City Univ | Method for reducing nitric acid concentration |
| JP5775490B2 (en) * | 2011-06-06 | 2015-09-09 | コスモ石油株式会社 | Plant nitrogen oxide absorption enhancer |
-
1993
- 1993-08-19 JP JP5205079A patent/JP2887555B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753312A (en) | 1995-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2896963B2 (en) | Plant salt tolerance improver | |
| FI98513C (en) | Improving crop yield in plants | |
| US5840656A (en) | Method for increasing fertilizer efficiency | |
| KR20010051171A (en) | Agent for preventing withering of and supplying quick-acting nutrients to grasses | |
| JP2010208999A (en) | Yield-increasing agent of harvesting part of farm crop | |
| JP3687455B2 (en) | Crop cultivation method and crop quality improving agent | |
| JP2887555B2 (en) | Nitrate nitrogen content reducing agent for plants | |
| EP0698345B1 (en) | Use of 5-aminolevulinic acid for reducing nitrate nitrogen content in plants | |
| JP2000309502A (en) | Plant growth promotor and fertilizer using the same | |
| JP4502098B2 (en) | Parting promoter for plant and method for promoting parting of plant | |
| JP2887554B2 (en) | Oxalic acid content reducing agent for plants | |
| JP3515935B2 (en) | Plant growth promoter | |
| KR100395834B1 (en) | Aqueous alkaline and aqueous formulations for promoting the growth of plant roots, and methods for promoting the growth of plant roots in soil or hydroponic water | |
| JP3270316B2 (en) | Fertilizer containing chelate compound | |
| JPH06340506A (en) | Method and composition for stimulating growth of vegetable | |
| AU2006200467B2 (en) | Micronutrient chelate fertilizer | |
| JP3534913B2 (en) | Plant activator and method of using same | |
| JPH05139872A (en) | Calcium fertilizer | |
| JP2000512987A (en) | How to treat plant diseases | |
| JPS63182284A (en) | Culture solution composition for hydroponics | |
| RU2333628C1 (en) | Method increasing potato productivity | |
| JP2000086410A (en) | Improvement of soil microflora | |
| JP2003226606A (en) | Plant growth regulator | |
| RU1782391C (en) | Cucumber cultivating method | |
| KR101093581B1 (en) | Liquid fertilizer for soil cultivation and method of cultivating crop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080219 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090219 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100219 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100219 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110219 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120219 Year of fee payment: 13 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120219 Year of fee payment: 13 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130219 Year of fee payment: 14 |
|
| LAPS | Cancellation because of no payment of annual fees |