JP2020196657A - Method of applying orthosilicate to plant - Google Patents
Method of applying orthosilicate to plant Download PDFInfo
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本発明は、正珪酸を植物に供給する方法に関し、特に、正珪酸の縮重合が起こらない状態で正珪酸を植物に供給する方法に関する。 The present invention relates to a method of supplying orthosilicic acid to a plant, and more particularly to a method of supplying orthosilicic acid to a plant without polycondensation of the orthosilicic acid.
本発明者の一人は水あるいは無機物及び／又は有機物を含有する水溶液に一般式Ｓｉ（ＯＲ）４（Ｒは炭素数１〜３のアルキル基を示す）で表される正珪酸アルキルを添加し、酸性状態下、正珪酸アルキルを加水分解することによって植物に吸収されやすい正珪酸を含有する液体肥料が得られることを見出した。当該正珪酸含有水溶液は、水稲、小麦、イチゴ、トマト、キユウリ、ネギ、カボチャなどの様々な農作物や芝生などの根張り向上、耐病性向上、品質向上、収量アップなどの目的で主として葉面散布方式で使用されている。そして上記の作物などに於いて、散布する正珪酸濃度が高い程、根張りの向上、品質向上、収量アップなどの効果が顕著に現れることから高濃度の正珪酸が望まれていた。しかしながら、正珪酸濃度が高くなるにつれて正珪酸水溶液が増粘次いでゲル化が早まり、また、気温が高くなるにつれてその現象が促進されることが判明した。
そこで、本発明者らは水に一般式Ｓｉ（ＯＲ）４（Ｒは炭素数１〜３のアルキル基を示す）で表される正珪酸アルキルを添加し、酸性状態下、正珪酸アルキルを加水分解することによって得られる正珪酸含有水溶液に炭素数１〜３のアルコールを添加することによって、正珪酸の縮重合によって生じるゲル化が抑制され正珪酸水溶液の安定性が飛躍的に向上することを見出したが、正珪酸のゲル化を完全に阻止させることは困難であった。One of the present inventors added an alkyl orthosilicate represented by the general formula Si (OR) 4 (R represents an alkyl group having 1 to 3 carbon atoms) to an aqueous solution containing water or an inorganic substance and / or an organic substance. It has been found that a liquid fertilizer containing orthosilicic acid, which is easily absorbed by plants, can be obtained by hydrolyzing an alkyl orthosilicate under an acidic state. The orthosilicic acid-containing aqueous solution is mainly sprayed on the foliage for the purpose of improving rooting, improving disease resistance, quality, and yield of various agricultural products such as paddy rice, wheat, strawberry, tomato, cucumber, green onion, and pumpkin. It is used in the method. In the above crops, the higher the concentration of orthosilicic acid to be sprayed, the more remarkable the effects of improving rooting, improving quality, and increasing yield are exhibited. Therefore, a high concentration of orthosilicic acid has been desired. However, it has been found that as the concentration of orthosilicic acid increases, the aqueous solution of orthosilicic acid thickens and then gels faster, and the phenomenon is promoted as the temperature rises.
Therefore, the present inventors added an alkyl orthosilicate represented by the general formula Si (OR) 4 (R represents an alkyl group having 1 to 3 carbon atoms) to water, and added the alkyl orthosilicate under an acidic state. By adding an alcohol having 1 to 3 carbon atoms to the ortho-silicic acid-containing aqueous solution obtained by decomposition, gelation caused by the condensation polymerization of ortho-silicic acid is suppressed and the stability of the ortho-silicic acid aqueous solution is dramatically improved. As found, it was difficult to completely prevent the gelation of orthosilicic acid.
本発明の目的は、経日によって正珪酸の縮重合が起こらない状態で正珪酸を植物に供給する方法を提供することにある。 An object of the present invention is to provide a method for supplying orthosilicic acid to a plant in a state where polycondensation of orthosilicic acid does not occur over time.
本発明者らは、上記課題を解決すべき鋭意研究を重ねた結果、コリンの水溶液と一般式Ｓｉ（ＯＲ）４（Ｒは炭素数１〜３のアルキル基を示す）で表される正珪酸アルキルを混合、加熱することによって正珪酸アルキルの加水分解が起こり、１年以上経過しても増粘、ゲル化しない保存安定性に優れた高濃度の正珪酸と珪酸コリンを含有するアルカリ性水溶液が得られ、この水溶液に有機酸、無機酸の１種又は２種類以上を常温で混合することによって直ちに珪酸コリンとの中和反応が起こりコリンの有機酸塩或いはコリンの無機酸塩と正珪酸を含有した水溶液が得られることを見出した。上記二液を植物への施用時に混用することにより、植物に正珪酸の縮重合が起こらない状態で高濃度の正珪酸含有水溶液を供給することに成功した。As a result of intensive studies to solve the above problems, the present inventors have conducted an aqueous solution of choline and an orthosilicic acid represented by the general formula Si (OR) 4 (R represents an alkyl group having 1 to 3 carbon atoms). By mixing and heating the alkyl, the alkyl orthosilicate is hydrolyzed, and an alkaline aqueous solution containing a high concentration of orthosilicic acid and choline silicate, which is excellent in storage stability and does not thicken or gel even after 1 year or more, is produced. By mixing one or more of organic acid and inorganic acid with this aqueous solution at room temperature, a neutralization reaction with choline silicate occurs immediately, and organic acid salt of choline or inorganic acid salt of choline and orthosilicic acid are obtained. It was found that the contained aqueous solution can be obtained. By mixing the above two liquids at the time of application to plants, we succeeded in supplying a high-concentration aqueous solution containing orthosilicic acid without causing polycondensation of orthosilicic acid to the plants.
正珪酸アルキルの加水分解によって得られる正珪酸含有水溶液は経日的に増粘、ゲル化するため使用期限の問題があるが、本発明方法では保存安定性に優れているため使用期限の問題を解消することができる。また本発明方法により、正珪酸アルキルの加水分解によって得られる正珪酸含有水溶液よりも正珪酸供給量を増加させることができることから、作物、芝生、花卉に葉面散布或いは潅水時に施用することによって、光合成能力や耐病性等が向上する。
また、珪酸コリン水溶液にリン酸、リン酸マグネシム水溶液又は塩酸を添加することによって、植物に正珪酸と同時に肥料成分であるリン酸及びリン酸マグネシウムおよび、光合成の能力アップ、品質の向上に効果があることが知られているリン酸コリン及びリン酸コリンのマグネシウム塩または塩化コリンを供給することができる。The orthosilicic acid-containing aqueous solution obtained by hydrolysis of alkyl orthosilicate has a problem of expiration date because it thickens and gels over time, but the method of the present invention has a problem of expiration date because it is excellent in storage stability. It can be resolved. Further, according to the method of the present invention, the amount of orthosilicic acid supplied can be increased as compared with the aqueous solution containing orthosilicic acid obtained by hydrolysis of alkyl orthosilicate. Therefore, by applying the method to crops, lawns and flowers during foliar spraying or irrigation, Photosynthetic ability and disease resistance are improved.
In addition, by adding phosphoric acid, magnesium phosphate aqueous solution or hydrochloric acid to the choline silicate aqueous solution, it is effective to improve the ability and quality of phosphoric acid and magnesium phosphate, which are fertilizer components at the same time as orthosilicic acid, in plants. It is possible to supply choline phosphate and magnesium salts of choline phosphate or choline chloride that are known to be present.
以下、本発明方法について詳しく述べる。なお、以下において、「％」は重量％を意味する。 Hereinafter, the method of the present invention will be described in detail. In the following, "%" means% by weight.
本発明において使用されるコリンは、例えば株式会社日本ファインケムから販売されている５０％水溶液を適用することができる。 As the choline used in the present invention, for example, a 50% aqueous solution sold by Japan Finechem Co., Ltd. can be applied.
本発明において使用される正珪酸アルキルは正珪酸メチル、正珪酸エチル、正珪酸プロピル等であり、例えば多摩化学工業株式会社から販売されているものを適用することができる。 The alkyl silicate used in the present invention is methyl silicate, ethyl silicate, propyl silicate and the like, and for example, those sold by Tama Chemical Industry Co., Ltd. can be applied.
本発明で使用される有機酸は乳酸、グリコール酸、グルコン酸等があり、望ましくはそれらの５〜５０％水溶液である。 The organic acid used in the present invention includes lactic acid, glycolic acid, gluconic acid and the like, and is preferably a 5 to 50% aqueous solution thereof.
本発明において使用される無機酸とは塩酸、リン酸、亜リン酸等などで、更にはリン酸又は亜リン酸の水溶液を苛性カリまたは水酸化カルシウムまたは水酸化マグネシウムでｐＨを１〜４に調整したものであり、望ましくはそれらの５〜５０％水溶液である。 The inorganic acid used in the present invention is hydrochloric acid, phosphorous acid, phosphorous acid, etc., and the pH of an aqueous solution of phosphorous acid or phosphorous acid is adjusted to 1 to 4 with caustic potash, calcium hydroxide, or magnesium hydroxide. It is preferably an aqueous solution of 5 to 50% of them.
本発明において「正珪酸及び珪酸コリン含有水溶液」を得るには先ず、水の存在下にコリンと正珪酸アルキルを混合した後、５０〜９０℃で１〜２時間攪拌する。コリンの使用量は正珪酸アルキルの使用量に応じて決まり、正珪酸アルキルの使用量が多くなるほどコリンの使用量を増やす必要がある。本発明で、コリンの使用量は全体の仕上り量に対して０．０７〜１８％、望ましくは０．１〜１５％である。コリンの使用量が少ないと正珪酸アルキルの加水分解速度が緩慢となるとともに、得られる「正珪酸及び珪酸コリン含有水溶液」が経日と共に増粘する。正珪酸アルキルの使用量は全体の仕上り量に対して０．３〜４５％、正珪酸として０．１〜２１％である。 In the present invention, in order to obtain an "aqueous solution containing orthosilicic acid and choline silicate", first, choline and alkyl orthosilicate are mixed in the presence of water, and then the mixture is stirred at 50 to 90 ° C. for 1 to 2 hours. The amount of choline used is determined according to the amount of alkyl orthosilicate used, and it is necessary to increase the amount of choline used as the amount of alkyl orthosilicate used increases. In the present invention, the amount of choline used is 0.07 to 18%, preferably 0.1 to 15% of the total finished amount. When the amount of choline used is small, the hydrolysis rate of alkyl orthosilicate becomes slow, and the obtained "aqueous solution containing orthosilicic acid and choline silicate" thickens with aging. The amount of alkyl orthosilicate used is 0.3 to 45% of the total finished amount, and 0.1 to 21% as orthosilicic acid.
本発明では植物への施用時に「正珪酸及び珪酸コリン含有水溶液」に有機酸或いは無機酸の水溶液、又は苛性カリ、水酸化カルシム、水酸化マグネシウムなどでｐＨ１〜４に調整された無機酸の水溶液を添加・混合して、正珪酸含有水溶液を調製する。この場合、正珪酸含有水溶液のｐＨが２〜４になるように予め、珪酸コリン及び酸の使用量を決めておく必要がある。
なお、本発明において、「施用時」とは、施用直前のみならず、ゲル化が起こる前までであればよく、通常、施用日前日頃までを含む。In the present invention, an aqueous solution of an organic acid or an inorganic acid, or an aqueous solution of an inorganic acid adjusted to pH 1 to 4 with caustic potash, calsim hydroxide, magnesium hydroxide, etc., is added to the "aqueous solution containing orthosilicic acid and choline silicate" at the time of application to plants. Add and mix to prepare an aqueous solution containing orthosilicic acid. In this case, it is necessary to determine the amounts of choline silicate and acid to be used in advance so that the pH of the orthosilicic acid-containing aqueous solution becomes 2 to 4.
In addition, in this invention, "at the time of application" may be not only immediately before application but also before gelation occurs, and usually includes until about the day before application.
以下、実施例を示すことによって本発明を詳細に説明するが、本発明はこれらに何ら限定されるものではない。 Hereinafter, the present invention will be described in detail by showing examples, but the present invention is not limited thereto.
［正珪酸及び珪酸コリン含有水溶液（以下、「珪酸コリン水溶液」という）の製法］
水１０９５ｇに（株）日本ファインケム製５０％コリン水溶液７５ｇと多摩化学工業（株）製正珪酸エチル３３０ｇを添加し６５〜７０℃で１時間攪拌することによって、正珪酸１０．１％含有する無色・透明の珪酸コリン水溶液（ｐＨ１１．１）を得た。
この水溶液１０ｍＬをバイアブル瓶（２０ｍＬ）に密閉し、８０℃、３０分間加温した。ヘッドスペース中のガスをガスクロマトグラフィ分析した結果、ピークのリテンションタイムはエタノール水溶液の場合と一致し、更に検討の結果、使用した正珪酸エチルの大部分が加水分解されて正珪酸に変化していることが分かった。
又、この珪酸コリン水溶液を室温で１年間放置しても増粘及びゲル化現象は見られず安定であった。[Manufacturing method of aqueous solution containing orthosilicic acid and choline silicate (hereinafter referred to as "choline silicate aqueous solution")]
Colorless containing 10.1% of orthosilicic acid by adding 75 g of 50% choline aqueous solution manufactured by Japan Finechem Co., Ltd. and 330 g of ethyl orthosilicate manufactured by Tama Chemical Industry Co., Ltd. to 1095 g of water and stirring at 65 to 70 ° C. for 1 hour. -A transparent aqueous solution of choline silicate (pH 11.1) was obtained.
10 mL of this aqueous solution was sealed in a viable bottle (20 mL) and heated at 80 ° C. for 30 minutes. As a result of gas chromatography analysis of the gas in the headspace, the retention time of the peak was in agreement with that of the aqueous ethanol solution, and as a result of further examination, most of the ethyl orthosilicate used was hydrolyzed and changed to orthosilicic acid. It turned out.
Further, even when this choline silicate aqueous solution was left at room temperature for 1 year, no thickening or gelation phenomenon was observed and it was stable.
実施例１で得られた珪酸コリン水溶液５０ｇに有機酸の水溶液を添加混合し混合液のｐＨを調べた（表−１）。何れの酸によっても珪酸コリンは中和されていることから、植物への施用時にこの方法に準じて行えば植物に葉面散布法或いは潅水施用により正珪酸とコリンの有機酸塩を供給することができる。
水９５６ｇに８５％リン酸４４１ｇを添加した後、攪拌下、水酸化マグネシウム１０４ｇを徐々に添加しながらリン酸を中和しｐＨ１．７、苦土４．７％、水溶性リン酸１８．１％を含有する水溶液を得た。この水溶液２５．０ｇと実施例１で得られた珪酸コリン水溶液５０ｇを混合することによってｐＨ２．８、正珪酸６．７％、リン酸コリン２．８％、水溶性リン酸６．０％、苦土１．６％を含有する水溶液が得られた。植物への施用時に、この方法に準じて、更に必要に応じて水で希釈することによって植物にリン酸コリン、水溶性リン酸、苦土を含有した正珪酸の縮重合が起こっていない正珪酸含有水溶液を供給することができる。 After adding 441 g of 85% phosphoric acid to 956 g of water, the phosphoric acid was neutralized while gradually adding 104 g of magnesium hydroxide under stirring, and the pH was 1.7, the soil was 4.7%, and the water-soluble phosphoric acid was 18.1. An aqueous solution containing% was obtained. By mixing 25.0 g of this aqueous solution and 50 g of the choline silicate aqueous solution obtained in Example 1, pH 2.8, orthosilicic acid 6.7%, choline phosphate 2.8%, water-soluble phosphoric acid 6.0%, An aqueous solution containing 1.6% of bitter soil was obtained. Orthosilicic acid containing choline phosphate, water-soluble phosphoric acid, and bitter soil in the plant without polycondensation by further diluting with water according to this method at the time of application to the plant. The contained aqueous solution can be supplied.
水２８８ｇに亜リン酸１７５ｇを添加・溶解した後、攪拌下、フレーク状の水酸化カリウム３４ｇを徐々に添加しながら亜リン酸を中和しｐＨ１．４、水溶性カリ５．４％、水溶性リン酸３０．５％を含有する亜リン酸水溶液を得た。この亜リン酸水溶液１．８ｇと実施例１で得られた珪酸コリン水溶液５０ｇを混合してｐＨ２．９、正珪酸９．７％、亜リン酸コリン２．４％、水溶性リン酸１．１％、水溶性カリ０．２％を含有する肥料が得られた。植物への施用時に、この方法に準じて、更に必要に応じて水で希釈することによって植物に亜リン酸コリン、水溶性リン酸、水溶性カリを含有した正珪酸の縮重合が起こっていない正珪酸含有水溶液を植物に供給することができる。 After adding and dissolving 175 g of phosphorous acid in 288 g of water, the phosphorous acid was neutralized by gradually adding 34 g of flake-shaped potassium hydroxide under stirring to neutralize the phosphorous acid, pH 1.4, water-soluble potassium 5.4%, water-soluble. An aqueous solution of phosphorous acid containing 30.5% of sex phosphoric acid was obtained. 1.8 g of this aqueous phosphorous acid solution and 50 g of the aqueous choline silicate solution obtained in Example 1 were mixed to obtain pH 2.9, orthosilicic acid 9.7%, choline phosphite 2.4%, and water-soluble phosphoric acid 1. A fertilizer containing 1% and 0.2% water-soluble potassium was obtained. At the time of application to plants, the polysilicic acid containing choline phosphite, water-soluble phosphoric acid, and water-soluble potassium did not undergo deconplexation by further diluting with water according to this method as needed. An aqueous solution containing orthosilicic acid can be supplied to the plant.
水３１０ｇに（株）日本ファインケム製５０％コリン２５０ｇと多摩化学工業（株）製正珪酸エチル４４０ｇを添加し７０〜７５℃で１時間攬拌することによって正珪酸２０．３％含有するｐＨ１３．３の珪酸コリン水溶液を得た。この水溶液７ｇに水４３ｇ加えて７倍に希釈した後８５％リン酸０．８ｇ加えて混合するとｐＨ３．６、正珪酸２．８％、リン酸コリン２．８％、水溶性リン酸１．４％を含有する肥料が得られた。
植物への施用時に、この方法に準じて、更に必要に応じて水で希釈することによって、リン酸コリン、水溶性リン酸、水溶性カリを含有した正珪酸の縮重合が起こっていない正珪酸含有水溶液を植物に供給することができる。PH 13. Containing 20.3% of orthosilicic acid by adding 250 g of 50% choline manufactured by Japan Finechem Co., Ltd. and 440 g of ethyl orthosilicate manufactured by Tama Chemical Industry Co., Ltd. to 310 g of water and stirring at 70 to 75 ° C. for 1 hour. An aqueous choline silicate solution of 3 was obtained. When 43 g of water is added to 7 g of this aqueous solution, diluted 7-fold, and then 0.8 g of 85% phosphoric acid is added and mixed, pH 3.6, orthosilicic acid 2.8%, choline phosphate 2.8%, and water-soluble phosphoric acid 1. A fertilizer containing 4% was obtained.
Orthosilicic acid containing choline phosphate, water-soluble phosphoric acid, and water-soluble potassium without polycondensation by further diluting with water according to this method at the time of application to plants. The contained aqueous solution can be supplied to the plant.
［農薬との混用試験］
２０℃の水６５ｍＬに実施例１で得られた珪酸コリン水溶液２．５ｍＬと実施例３で得られた苦土４．８％、水溶性リン酸２４％を含有するリン酸水溶液２．５ｍＬを、また、同時に対照区として２０℃の水６０ｍＬに正珪酸エチルをリン酸で加水分解した後、室温で１ヶ月保管した１．７％の正珪酸を含有する水溶液（ｐＨ１．７）１０ｍＬを添加し、次いで、表−２に示した水稲において８倍希釈による無人ヘリコプター散布が認められているフロアブル系農薬１０ｍＬを添加、よくかき混ぜた後２０℃の恒温槽に放置し、３０分後、６０分後の分離状況を農薬単体と比較した（表−２）。尚、農薬単体の水使用量は７０ｍＬとした。明らかに、本発明品は対照区である従来の正珪酸含有水溶液と比べて農薬単体と挙動が変わらず農薬と混用できる利点がある。
2.5 mL of the choline silicate aqueous solution obtained in Example 1 and 2.5 mL of a phosphoric acid aqueous solution containing 4.8% of bitter soil and 24% of water-soluble phosphoric acid obtained in Example 3 were added to 65 mL of water at 20 ° C. At the same time, as a control group, 10 mL of an aqueous solution (pH 1.7) containing 1.7% orthosilicic acid, which was stored at room temperature for 1 month after hydrolyzing ethyl orthosilicate in 60 mL of water at 20 ° C. with phosphoric acid, was added. Then, in the paddy rice shown in Table 2, 10 mL of flowable pesticide, which is permitted to be sprayed by unmanned helicopter by 8-fold dilution, was added, stirred well, and left in a constant temperature bath at 20 ° C., 30 minutes and 60 minutes. The subsequent separation status was compared with that of pesticides alone (Table 2). The amount of water used for the pesticide alone was 70 mL. Obviously, the product of the present invention has an advantage that it can be mixed with a pesticide without changing its behavior as a pesticide alone as compared with a conventional aqueous solution containing orthosilicic acid, which is a control group.
［水稲への評価試験］
出穂始期に１０ａ当たり実施例１で得られた正珪酸１０．１％含有する珪酸コリン水溶液３０ｍＬと実施例３で使用した苦土４．７％、水溶性リン酸１８．１％含有するリン酸水溶液３０ｍＬを混合したのち水２５Ｌで希釈しビークルで散布した。更に、出穂最盛期に同様の方法で混合散布した。本発明品を散布した区では本発明の方法を採用しなかった対照区に比べて、屑米率が低くなり精玄米率及び食味が向上した。[Evaluation test for paddy rice]
At the beginning of heading, 30 mL of an aqueous solution of choline silicate containing 10.1% orthosilicic acid obtained in Example 1 per 10a, 4.7% of bitter soil used in Example 3, and phosphoric acid containing 18.1% of water-soluble phosphoric acid. After mixing 30 mL of the aqueous solution, it was diluted with 25 L of water and sprayed with a vehicle. Furthermore, it was mixed and sprayed by the same method at the peak of heading. In the group in which the product of the present invention was sprayed, the rate of waste rice was lower and the rate of refined brown rice and the taste were improved as compared with the control group in which the method of the present invention was not adopted.
［イチゴへの評価試験］
イチゴ苗（品種「とちおとめ」）の定植後、１０ａ当たり実施例５に示した方法によって得られる正珪酸２０．３％含有する珪酸コリン水溶液３００ｍＬを水３００Ｌが入ったタンクに添加、撹拌し、更に２０％リン酸２５０ｍＬをタンクへ添加、混合し（ｐＨ５．４）、葉面散布を行った。これと同様の操作を収穫終了まで月に２〜３回を行うことによって、本発明の方法を採用しなかった対照区と比べて、うどん粉病の発生が抑えられ、収量が増加し品質が向上した。[Evaluation test for strawberries]
After planting strawberry seedlings (variety "Tochiotome"), add 300 mL of a choline silicate aqueous solution containing 20.3% of orthosilicic acid obtained by the method shown in Example 5 per 10a to a tank containing 300 L of water, stir, and further. 250 mL of 20% phosphoric acid was added to the tank, mixed (pH 5.4), and foliar sprayed. By performing the same operation 2-3 times a month until the end of harvesting, the occurrence of powdery mildew is suppressed, the yield is increased, and the quality is improved as compared with the control group which did not adopt the method of the present invention. did.
Claims (1)
Ｓｉ（ＯＲ）４・・・・・（１）
（式中、Ｒは炭素数１〜３のアルキル基を示す）
で表される正珪酸アルキルを反応させて得られる正珪酸及び珪酸コリン含有水溶液に、有機酸或いは無機酸の１種または２種類以上を混合し、得られる正珪酸含有水溶液を植物に施用することを特徴とする正珪酸の植物への施用方法。At the time of application, in the presence of water, choline and the following general formula (1)
Si (OR) 4 ... (1)
(In the formula, R represents an alkyl group having 1 to 3 carbon atoms)
One or more of organic acids or inorganic acids are mixed with an aqueous solution containing orthosilicic acid and choline silicate obtained by reacting an alkyl orthosilicate represented by A method of applying orthosilicic acid to plants.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4449030B2 (en) * | 2003-08-25 | 2010-04-14 | 有限会社グリーン化学 | Liquid fertilizer containing orthosilicic acid |
| JP2013530109A (en) * | 2010-03-31 | 2013-07-25 | タミンコ | Stabilized bioavailable soluble silicate solution |
| US20170190634A1 (en) * | 2015-02-25 | 2017-07-06 | Nichem Solutions | Plant growth promoting composition and a process of preparing the same |
| JP2020180107A (en) * | 2019-04-25 | 2020-11-05 | 有限会社グリーン化学 | Method for producing aqueous choline silicate solution |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4449030B2 (en) * | 2003-08-25 | 2010-04-14 | 有限会社グリーン化学 | Liquid fertilizer containing orthosilicic acid |
| JP2013530109A (en) * | 2010-03-31 | 2013-07-25 | タミンコ | Stabilized bioavailable soluble silicate solution |
| US20170190634A1 (en) * | 2015-02-25 | 2017-07-06 | Nichem Solutions | Plant growth promoting composition and a process of preparing the same |
| JP2020180107A (en) * | 2019-04-25 | 2020-11-05 | 有限会社グリーン化学 | Method for producing aqueous choline silicate solution |
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