JP2007137780A - Plant growth supplement - Google Patents
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- JP2007137780A JP2007137780A JP2005329745A JP2005329745A JP2007137780A JP 2007137780 A JP2007137780 A JP 2007137780A JP 2005329745 A JP2005329745 A JP 2005329745A JP 2005329745 A JP2005329745 A JP 2005329745A JP 2007137780 A JP2007137780 A JP 2007137780A
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- 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
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Abstract
Description
本発明は、植物の成長を促進する植物成長補助剤に関する。さらに特定的には、ニコチン酸アミドを有効成分として含む植物成長補助剤に関する。 The present invention relates to a plant growth aid that promotes plant growth. More specifically, it relates to a plant growth aid containing nicotinamide as an active ingredient.
近年においては健康食品ブーム等も反映し、人体に対して安全性の高い植物成長補助剤の開発が進められている。その一例としてビタミン類を利用する試みがなされている。植物に対するビタミン類の添加効果については、例えばニコチン酸アミド、塩化コリン、ビタミンＫ３塩等が植物成長調節剤として報告されている。また、特開平６−３４０５０６号公報にはニコチンアミドを伴うメナジオン亜硫酸水素塩付加物を含んでなる植物の成長の刺激及び制御のための組成物が開示されている（特許文献１参照）。前記組成物を使用することにより、植物の成長を刺激し、かつ、制御する効果を示すことが報告されている。
さらに特開平８−１４３４０６号公報では、グリチルリチンとニコチン酸アミドその他の特定のビタミンを有効成分として含有する植物成長促進剤が提案されている（特許文献２参照）。そして、この植物成長促進剤を植物に対して使用することにより、これまで公知となっている種々の漢方生薬あるいはビタミン類を使用する場合よりも、さらに優れた植物成長効果を示すことが報告されている。
In recent years, reflecting the health food boom and the like, development of plant growth adjuvants that are highly safe for the human body has been developed. As an example, attempts have been made to use vitamins. As for the effect of adding vitamins to plants, for example, nicotinamide, choline chloride, vitamin K 3 salt and the like have been reported as plant growth regulators. Japanese Patent Application Laid-Open No. 6-340506 discloses a composition for stimulating and controlling the growth of a plant comprising a menadione bisulfite adduct with nicotinamide (see Patent Document 1). It has been reported that the use of the composition exhibits an effect of stimulating and controlling plant growth.
Further, JP-A-8-143406 proposes a plant growth promoter containing glycyrrhizin, nicotinamide and other specific vitamins as active ingredients (see Patent Document 2). And by using this plant growth promoter for plants, it has been reported that the plant growth effect is even better than when using various herbal medicines or vitamins known so far. ing.
上記したように、ニコチン酸アミドは植物成長促進効果を奏する成分を有する物質であることは明らかにされている。 As described above, it has been clarified that nicotinamide is a substance having a component that has a plant growth promoting effect.
そこで、本発明者は上記の事実に着目し、ニコチン酸アミドと二価三価鉄塩を有効成分とする植物成長補助剤を開発した（特許文献３参照）。この植物成長補助剤を植物に対して使用することにより、植物の成長促進に有効な作用を発揮することが判明した。
本発明は、ニコチン酸アミドを有効成分として利用し、上述した発明、特に特許文献３に記載の発明の特性を活用し、植物の成長促進効果をさらに向上し得る性能を有する植物成長補助剤を提供することを目的とするものである。 The present invention uses a nicotinic acid amide as an active ingredient, utilizes the characteristics of the above-described invention, particularly the invention described in Patent Document 3, and provides a plant growth adjuvant having a performance capable of further improving the plant growth promoting effect It is intended to provide.
本発明は上記課題を解決するために研究、実験を続けた結果、その目的を達成したので、ここにその発明を提供する。 The present invention has achieved its purpose as a result of continuing researches and experiments in order to solve the above problems, and the present invention is provided here.
即ち、本発明のうち１つの発明（第１の発明）は、ニコチン酸アミド、二価三価鉄塩、及び動物の尿その他の液状肥料を含有してなり、前記二価三価鉄塩は、式、Ｆｅ＋２ ｍ Ｆｅ＋３ ｎ Ｃｌ２ｍ＋３ｎ（式中ｍ及びｎは正の整数を示す）で示される化合物であることを特徴とする。なお、この明細書において「成長」とは「生長」の意味も含む広い概念として用いられている。 That is, one of the present inventions (first invention) comprises nicotinamide, divalent trivalent iron salt, and animal urine and other liquid fertilizer, wherein the divalent trivalent iron salt is And a compound represented by the formula: Fe +2 m Fe +3 n Cl 2m + 3n (wherein m and n represent a positive integer). In this specification, “growth” is used as a broad concept including the meaning of “growth”.
前記ニコチン酸アミドはビタミンＢ複合体の一つで、このニコチン酸アミドは液体化（ニコチン酸アミド溶液）又は粉末化した形態で市販されている。本発明においては、上記形態の市販のニコチン酸アミドを任意に選択して使用することができる。 The nicotinamide is one of vitamin B complexes, and this nicotinamide is commercially available in liquid form (nicotinamide solution) or powdered form. In the present invention, the commercially available nicotinamide of the above form can be arbitrarily selected and used.
前記式で示される二価三価鉄塩は近年開発された活性物質で、この活性物質（二価三価鉄塩）は二価鉄と三価鉄との中間の性質を示す単一の化合物、或いは二価鉄と三価鉄が共存する単一の化合物であると思われる。この二価三価鉄塩は現在工業的に生産可能である（例えば、特公平３−６３５９３号公報、特公平４−２７１７１号公報参照）。 The divalent and trivalent iron salt represented by the above formula is an active substance developed in recent years, and this active substance (divalent and trivalent iron salt) is a single compound having intermediate properties between divalent iron and trivalent iron. Or it seems that it is a single compound in which divalent iron and trivalent iron coexist. This divalent and trivalent iron salt can now be industrially produced (see, for example, Japanese Patent Publication No. 3-63593 and Japanese Patent Publication No. 4-27171).
前記二価三価鉄塩は、例えば塩化第二鉄を水酸化ナトリウム，水酸化カルシウム，水酸化カリウム，水酸化リチウム等の強アルカリの水溶液に投入して原子価変換を起こさせた場合の遷移形態等として得られる（第１の方法）。この第１の方法による具体的製造方法として、例えば次の工程により得たものを例示する。即ち、塩化第二鉄を強アルカリの水溶液に溶解させる工程、この溶液を中和する工程、この中和した溶液を濃縮する工程、とを含んで製造する。 The divalent and trivalent iron salt is, for example, transition when valence conversion is caused by introducing ferric chloride into an aqueous solution of strong alkali such as sodium hydroxide, calcium hydroxide, potassium hydroxide or lithium hydroxide. It is obtained as a form or the like (first method). As a specific manufacturing method according to the first method, for example, the one obtained by the following step is illustrated. That is, it comprises the steps of dissolving ferric chloride in a strong alkaline aqueous solution, neutralizing the solution, and concentrating the neutralized solution.
また、前記二価三価鉄塩は、三価の鉄塩と二価の金属塩とを混合した溶液によっても得られる。具体的には、例えば三価の鉄塩及び二価の金属塩を所定の比率で含有する所定濃度の希薄水溶液に、第二鉄塩を添加して溶解させ、得られた溶液を濃縮して製造することができる（第２の方法）。前記第二鉄塩としては、例えば塩化第二鉄，硫酸第二鉄，硝酸第二鉄を用いることができる。前記二価の金属塩としては、例えば塩化カルシウム，塩化マグネシウム，塩化亜鉛，硫酸マグネシウム，硝酸カルシウム，硝酸マグネシウム，硝酸亜鉛を用いることができる。 The divalent and trivalent iron salt can also be obtained by a solution in which a trivalent iron salt and a divalent metal salt are mixed. Specifically, for example, a ferric salt is added and dissolved in a dilute aqueous solution of a predetermined concentration containing a trivalent iron salt and a divalent metal salt in a predetermined ratio, and the obtained solution is concentrated. Can be manufactured (second method). For example, ferric chloride, ferric sulfate, and ferric nitrate can be used as the ferric salt. As the divalent metal salt, for example, calcium chloride, magnesium chloride, zinc chloride, magnesium sulfate, calcium nitrate, magnesium nitrate, and zinc nitrate can be used.
前記二価三価鉄塩の前記式中のｍ：ｎの比は前記化合物製造に用いる物質の種類等により特定の数値をとる。 The ratio of m: n in the above formula of the divalent and trivalent iron salt takes a specific numerical value depending on the kind of the substance used for the production of the compound.
前記二価三価鉄塩の活性物質は水と接触することにより、種々の作用を有する。即ち、通常の水に前記活性物質を超微量（例えば、濃度２×１０−１２モルないし２×１０−１８モル）混入することにより、この水溶液（以下、この水溶液を便宜上「パイウォーター」という）は水分子の構造変化，脱イオン反応，ＰＨの安定効果等の特性をもつことが判明している。 The active substance of the divalent and trivalent iron salt has various actions when in contact with water. That is, an ultra trace amount (for example, a concentration of 2 × 10 −12 mol to 2 × 10 −18 mol) of the active substance is mixed in normal water to thereby obtain this aqueous solution (hereinafter, this aqueous solution is referred to as “pi water” for convenience). Has been found to have properties such as structural changes of water molecules, deionization reaction, and PH stabilization effect.
前記肥料は特に限定するものではなく、公知の有機質肥料及び無機質肥料を任意に選択して採用することができる。なお、前記肥料の特に好ましい代表的な一例として、例えば牛や豚の尿その他の動物の尿を挙げることができる。 The fertilizer is not particularly limited, and any known organic fertilizer and inorganic fertilizer can be arbitrarily selected and employed. In addition, as a particularly preferable representative example of the fertilizer, for example, urine from cattle and pigs and other animal urine can be mentioned.
そして、本願の第１の発明による植物成長補助剤は、上記したように、ニコチン酸アミド、前記二価三価鉄塩、及び動物の尿その他の液状肥料を含有してなるものである。この植物成長補助剤は、前記各成分を所定の割合で含む水溶液の形態として植物に適用される。
前記水溶液中の前記各成分の濃度及び配合比については追って説明する。また、本発明においては、前記第１及び第２の方法で製造した二価三価鉄塩を純水や蒸留水等の水に溶解して所定の濃度に調整した二価三価鉄塩水溶液（前記二価三価鉄塩の原液）を製造し、この原液を使用することができる。この点については後述する各発明においても同様である。なお、前記原液の具体的製造例については追って説明する。
And the plant growth adjuvant by 1st invention of this application contains nicotinamide, the said bivalent trivalent iron salt, animal urine, and other liquid fertilizers as mentioned above. This plant growth aid is applied to plants in the form of an aqueous solution containing the aforementioned components in a predetermined ratio.
The concentration and blending ratio of each component in the aqueous solution will be described later. In the present invention, a divalent and trivalent iron salt aqueous solution prepared by dissolving the divalent and trivalent iron salt produced by the first and second methods in water such as pure water or distilled water and adjusting the concentration to a predetermined level. (Stock solution of the divalent and trivalent iron salt) can be produced and used. This also applies to each invention described later. A specific example of manufacturing the stock solution will be described later.
本発明の植物成長補助剤（後述する各発明においても同様）は、特に限定するものではないが、例えば、葉面散布処理、土壌灌注処理、種子や挿し木への処理、或いは水耕栽培等により植物に適用できる。適用対象となる植物としては特に限定するものではないが、例えば、イネ，小麦，トウモロコシ等の穀物類、カイワレダイコン，ダイコン，ニンジン，トマト，コマツナ，ハクサイ等の野菜類、ブドウ，モモ，ミカン等の果樹類、菊，チューリップ等の花類、エンドウ，大豆，ソラ豆等の豆類、ジャガイモ，サツマイモ等のイモ類、コウライ芝その他の芝類、ネギ，ラッキョウ，タマネギ等のネギ類、或いは牧草類や樹木等が挙げられる。 The plant growth aid of the present invention (the same applies to each invention described later) is not particularly limited, but for example, by foliar spray treatment, soil irrigation treatment, treatment to seeds or cuttings, or hydroponics Applicable to plants. The plant to be applied is not particularly limited, but for example, grains such as rice, wheat, corn, vegetables such as radish, radish, carrot, tomato, komatsuna, Chinese cabbage, grapes, peach, mandarin, etc. Fruit trees, flowers such as chrysanthemums, tulips, beans such as peas, soybeans, and soya beans, potatoes such as potatoes and sweet potatoes, turf turf and other turf, leeks such as leeks, lacquer and onions, or pastures Examples include trees.
上記第１の発明によれば、植物成長補助剤中に含まれている各成分のそれぞれが有する作用と相乗効果により植物の成長促進にきわめて有効な作用を発揮する。また、前記補助剤中に含まれている前記二価三価鉄塩の有する作用によりニコチン酸アミド及び動物の尿その他の液状肥料の植物成長効果を増強させる。 According to the said 1st invention, the effect | action very effective for the growth promotion of a plant is exhibited by the effect | action which each of each component contained in a plant growth adjuvant has and the synergistic effect. The action of the divalent and trivalent iron salt contained in the adjuvant enhances the plant growth effect of nicotinamide and animal urine and other liquid fertilizers.
本発明のうち他の１つの発明（第２の発明）は、第１の発明の植物成長補助剤において、二価三価鉄塩は前記式で示される化合物に代え、磁性を帯びた二価三価鉄塩であることを特徴とする。この磁性を帯びた二価三価鉄塩は、電磁気処理による特性と化学処理による特性の両方を同時に兼ね備えた活性物質で、例えば、磁鉄鉱を化学処理して得られる。前記磁性を帯びた二価三価鉄塩としては、例えば磁鉄鉱を濃塩酸に溶解させた後、この溶液を中和し、この中和した溶液を濃縮して結晶化し、この結晶を、磁鉄鉱を濃塩酸に半溶解させた溶液に加える工程を含んで得られる化合物で構成することができる。 Another invention of the present invention (second invention) is the plant growth adjuvant according to the first invention, wherein the divalent and trivalent iron salt is replaced with the compound represented by the above formula, and the magnetic divalent. It is a trivalent iron salt. This magnetized divalent and trivalent iron salt is an active substance that has both the characteristics of electromagnetic treatment and the characteristics of chemical treatment at the same time, and is obtained, for example, by chemically treating magnetite. As the magnetic divalent and trivalent iron salt, for example, magnetite is dissolved in concentrated hydrochloric acid, then this solution is neutralized, and the neutralized solution is concentrated and crystallized. It can be composed of a compound obtained by adding it to a solution semi-dissolved in concentrated hydrochloric acid.
前記磁性を帯びた二価三価鉄塩の活性物質は水と接触することにより、次のような作用を有する特性をもつことが判明している。即ち、通常の水に前記活性物質を超微量（例えば濃度２×１０−１２モルないし２×１０−１８モル）混入することにより、この水溶液は、上述したパイウォーターのもつ特性に加え、電磁気処理した活性水と同様な特性をもち、特にこの活性物質は水に溶解して共存するので、外部から磁場をかけた活性水に比べて水に強く、かつ効果的に作用する。 It has been found that the magnetic active substance of divalent and trivalent iron salt has the following effects when it comes into contact with water. That is, by mixing the active substance in ordinary water in an extremely small amount (for example, a concentration of 2 × 10 −12 mol to 2 × 10 −18 mol), this aqueous solution can be electromagnetically treated in addition to the above-mentioned characteristics of piwater. The active substance has characteristics similar to those of the active water. In particular, since the active substance is dissolved in water and coexists, it acts on water more effectively than active water applied with a magnetic field from the outside.
上記第２の発明の植物成長補助剤によっても第１の発明と同様に優れた植物成長促進効果を発揮し、また、前記補助剤中に含まれている磁性を帯びた二価三価鉄塩の有する作用によりニコチン酸アミド及び動物の尿その他の液状肥料の植物成長効果を増強させる。 The plant growth adjuvant of the second invention also exhibits an excellent plant growth promoting effect as in the first invention, and also has a magnetic divalent and trivalent iron salt contained in the adjuvant. The action of nicotinamide enhances the plant growth effect of nicotinamide and animal urine and other liquid fertilizers.
本発明のうち他の１つの発明（第３の発明）は、第１及び第２の発明の植物成長補助剤において、植物成長補助剤を構成する成分として、さらに苦汁（にがり）を含有してなることを特徴とする。 Another invention of the present invention (third invention), in the plant growth adjuvant of the first and second inventions, further contains bitter juice as a component constituting the plant growth adjuvant. It is characterized by becoming.
前記苦汁としては、塩化マグネシウム（合成塩化マグネシウム）、及び海水を濃縮して塩分（ＮａＣｌ）を除去した液体（天然苦汁）が一般に知られている。また、天然苦汁は海洋深層水を濃縮して塩分（ＮａＣｌ）を除去することによっても製造することができる。前記天然苦汁中には多種のミネラルが多く含まれている。前記天然苦汁の中でも海洋深層水から得られた苦汁は海水から得られた苦汁に比べてミネラルの含有量が多い。このミネラルは植物の成長を促進する作用がある。本発明においては苦汁として、塩化マグネシウムを使用することもできるが、天然苦汁、即ち、海水及び海洋深層水から得られた苦汁を採用する方がより好ましい。 As the bitter juice, magnesium chloride (synthetic magnesium chloride) and a liquid obtained by concentrating seawater to remove salt (NaCl) (natural bitter juice) are generally known. Natural bitter juice can also be produced by concentrating deep ocean water to remove salt (NaCl). The natural bitter juice is rich in various minerals. Among the natural bitter juice, bitter juice obtained from deep sea water has a higher mineral content than bitter juice obtained from seawater. This mineral has the effect of promoting plant growth. In the present invention, magnesium chloride can be used as the bitter juice, but it is more preferable to employ natural bitter juice, that is, bitter juice obtained from seawater and deep ocean water.
上記したように、苦汁、その中でも天然苦汁中には多種のミネラルが多く含まれている。そして、第３の発明による植物成長補助剤は、上記したように、成分として、さらに苦汁を含有している。したがって、第３の発明の植物成長補助剤によれば、植物の成長を一層促進させる。なお、第３の発明において、植物成長補助剤中の苦汁の濃度及び前記各成分との配合比は特に限定するものではない。この点については追って説明する。 As described above, bitter juice, particularly natural bitter juice, contains a large amount of various minerals. And as mentioned above, the plant growth adjuvant by 3rd invention contains bitter juice as a component further. Therefore, according to the plant growth aid of the third invention, the growth of plants is further promoted. In addition, in 3rd invention, the density | concentration of the bitter juice in a plant growth adjuvant and the compounding ratio with said each component are not specifically limited. This point will be described later.
本発明によれば、植物成長剤に含まれている各成分のそれぞれが有する作用と相乗効果により植物成長促進に有効な作用を発揮し、また、前記補助剤中に含まれている前記二価三価鉄塩の作用により前記ニコチン酸アミド及び動物の尿その他の液状肥料の植物成長効果を増強させる。
本願の第３の発明によれば、植物成長剤に含まれている苦汁の有する作用により植物の成長を一層促進させる。また、前記補助剤中に含まれている前記二価三価鉄塩の作用により苦汁の有する植物成長効果を向上させる。
According to the present invention, the bivalent contained in the auxiliary agent exhibits an effective action for promoting plant growth by the action and synergistic effect of each of the components contained in the plant growing agent. The action of the trivalent iron salt enhances the plant growth effect of the nicotinamide and animal urine and other liquid fertilizers.
According to 3rd invention of this application, the growth of a plant is further accelerated | stimulated by the effect | action which the bitter juice contained in the plant growth agent has. Moreover, the plant growth effect which bitter juice has is improved by the effect | action of the said bivalent trivalent iron salt contained in the said adjuvant.
以下、本発明の実施の形態の一例を説明する。 Hereinafter, an example of an embodiment of the present invention will be described.
（実施の形態１）
本発明の実施の形態１による植物成長補助剤は、ニコチン酸アミドと、式、Ｆｅ＋２ ｍ Ｆｅ＋３ ｎ Ｃｌ２ｍ＋３ｎ（式中ｍ及びｎは正の整数を示す）で示される二価三価鉄塩、及び動物の尿その他の液状肥料を含有して製造される。
(Embodiment 1)
The plant growth auxiliary agent according to Embodiment 1 of the present invention includes nicotinamide and divalent and trivalent iron represented by the formula: Fe +2 m Fe +3 n Cl 2m + 3n (where m and n are positive integers). Manufactured with salt and animal urine or other liquid fertilizer.
実施の形態１において、前記ニコチン酸アミドは市販のものを採用（以下に説明する実施の形態においても同様）している。また、前記二価三価鉄塩は後述する方法により製造した二価三価鉄塩水溶液（二価三価鉄塩の原液）を採用している。以下、前記原液の具体的製造方法の一例について説明する。 In the first embodiment, the nicotinic acid amide is a commercially available one (the same applies to the embodiments described below). Moreover, the said bivalent trivalent iron salt employ | adopts the bivalent trivalent iron salt aqueous solution (divalent trivalent iron salt undiluted | stock solution) manufactured by the method mentioned later. Hereinafter, an example of a specific method for producing the stock solution will be described.
（二価三価鉄塩の原液の製造例１）
１．０ｍｇの塩化第二鉄を１００ｍｌの０．５Ｎカセイソーダ水溶液に入れ、攪拌溶解させて２４時間静置する。前記溶液中に生じた不溶性物質を除去し、この溶液を塩酸で中和した後、減圧濃縮してデシケーター中で乾燥結晶化する。得られた結晶に５０ｍｌのイソプロピルアルコール８０重量％水溶液を加えて再溶解し、減圧濃縮して溶媒を除去、乾燥させ、この再溶解，濃縮，乾燥を数回繰り返すことにより０．２５ｍｇの結晶（二価三価鉄塩）を得た。この結晶を蒸留水又は純水に溶解して約１００倍〜約１００００倍に希釈した水溶液、即ち、前記二価三価鉄塩約０．０１％〜約１％水溶液（二価三価鉄塩の原液Ａ）とする。
(Production Example 1 of Divalent and Trivalent Iron Salt Stock Solution)
1.0 mg of ferric chloride is put into 100 ml of 0.5N aqueous caustic soda solution, stirred and dissolved, and allowed to stand for 24 hours. The insoluble material generated in the solution is removed, the solution is neutralized with hydrochloric acid, concentrated under reduced pressure, and dried and crystallized in a desiccator. To the obtained crystals, 50 ml of an 80% by weight aqueous solution of isopropyl alcohol was added and redissolved, concentrated under reduced pressure to remove the solvent, dried, and this redissolution, concentration and drying were repeated several times to obtain 0.25 mg of crystals ( Divalent and trivalent iron salt) was obtained. An aqueous solution in which the crystals are dissolved in distilled water or pure water and diluted to about 100 to about 10,000 times, that is, about 0.01% to about 1% aqueous solution of the divalent and trivalent iron salt (divalent and trivalent iron salt). A stock solution A).
（二価三価鉄塩の原液の製造例２）
濃度１０ミリモルの塩化カルシウム水溶液１００ｍｌに、塩化第二鉄２７０ｍｇを添加して溶解させた。この溶液を水（蒸留水又は純水）で希釈して、濃度１０−１０ミリモルの希薄溶液を調製した。この希薄溶液２０ｍｌに結晶状態の塩化第二鉄１ｇを溶解させた後、これを磁器製等の蒸発皿に入れ、湯煎で徐々に蒸発させて濃縮した。得られた固溶状の濃縮物をデシケーター中で乾燥して結晶（二価三価鉄塩）を得た。この結晶を蒸留水又は純水に溶解して約１００倍〜約１００００倍に希釈した水溶液、即ち、前記二価三価鉄塩約０．０１％〜約１％水溶液（二価三価鉄塩の原液Ｂ）とする。
(Production Example 2 of Divalent and Trivalent Iron Salt Stock Solution)
270 mg of ferric chloride was added to and dissolved in 100 ml of an aqueous 10 mM calcium chloride solution. This solution was diluted with water (distilled water or pure water) to prepare a dilute solution having a concentration of 10-10 mmol. After dissolving 1 g of crystalline ferric chloride in 20 ml of this dilute solution, it was placed in an evaporating dish made of porcelain or the like and gradually evaporated in a hot water bath and concentrated. The obtained solid solution concentrate was dried in a desiccator to obtain crystals (divalent and trivalent iron salt). An aqueous solution in which the crystals are dissolved in distilled water or pure water and diluted to about 100 to about 10,000 times, that is, about 0.01% to about 1% aqueous solution of the divalent and trivalent iron salt (divalent and trivalent iron salt). A stock solution B).
実施の形態１の植物成長補助剤は、水道水や井戸水等の水にニコチン酸アミドと、前記二価三価鉄塩の原液Ａ又はＢ、及び動物の尿その他の液状肥料を所定の濃度になるように添加して調製した水溶液の形態として植物に適用される。 The plant growth adjuvant of Embodiment 1 is prepared by adding nicotinamide, water stock A or B of divalent and trivalent iron salts, and animal urine and other liquid fertilizers to a predetermined concentration in water such as tap water and well water. It is applied to a plant in the form of an aqueous solution prepared by adding so.
前記水に対するニコチン酸アミド、前記原液Ａ又はＢ、及び前記肥料の濃度（添加量）は特に限定されないが、例えばニコチン酸アミドについては約１×１０−４ｍｇ／リットル（濃度約１００ｐｐｍ）〜約１×１０−１０ｍｇ／リットル（濃度約０．１ｐｐｂ）、また、前記原液については約１０−６ｍｇ／リットル（濃度約１ｐｐｍ）〜約１×１０−１３ｍｇ／リットル（濃度約０．０００１ｐｐｂ）、さらに動物の尿その他の液状肥料については前記水溶液（植物成長補助剤）の全体容量に対して約０．１／１００００％〜約２０／１００００％の容量濃度程度の範囲を挙げることができる。
また、ニコチン酸アミド、前記二価三価鉄塩、及び前記肥料の配合比は、前記水溶液（植物成長補助剤）中の前記各成分の濃度（添加量）により容易に理解される。
The concentration (addition amount) of nicotinic acid amide, stock solution A or B, and fertilizer with respect to water is not particularly limited. For example, about nicotinic acid amide, about 1 × 10 −4 mg / liter (concentration about 100 ppm) to about 1 × 10 −10 mg / liter (concentration about 0.1 ppb), and for the stock solution about 10 −6 mg / liter (concentration about 1 ppm) to about 1 × 10 −13 mg / liter (concentration about 0.0001 ppb) In addition, for animal urine and other liquid fertilizers, a volume concentration range of about 0.1 / 10000% to about 20/10000% with respect to the total volume of the aqueous solution (plant growth aid) can be mentioned. .
The mixing ratio of nicotinic acid amide, the divalent and trivalent iron salt, and the fertilizer can be easily understood by the concentration (addition amount) of each component in the aqueous solution (plant growth aid).
なお、上記の場合において、前記水に対する前記各成分の濃度（添加量）を前記例示した濃度より所望の倍率（例えば約１００〜約１万倍）で増量（但し、各成分の倍率は同じ）した組成物（濃縮水溶液）を製造する。そして、所要時に前記組成物を水道水や井戸水等の水で所定の倍率に希釈して植物に適用するように構成してもよい。通常はこの方法を採用することが多い。この点については後述する各実施の形態においても同様である。 In the above case, the concentration (addition amount) of each component with respect to the water is increased by a desired magnification (for example, about 100 to about 10,000 times) from the exemplified concentration (however, the magnification of each component is the same). To produce a concentrated composition (concentrated aqueous solution). And you may comprise so that the said composition may be diluted to predetermined magnification with water, such as a tap water and well water, and may be applied to a plant as needed. Usually, this method is often adopted. This also applies to each embodiment described later.
（実施の形態２）
本発明の実施の形態２による植物成長補助剤は、実施の形態１の植物成長補助剤において、二価三価鉄塩を前記式で示される化合物に代え、磁性を帯びた二価三価鉄塩を採用したことを特徴とするものである。
(Embodiment 2)
The plant growth aid according to Embodiment 2 of the present invention is the same as the plant growth aid of Embodiment 1, except that the divalent and trivalent iron salt is replaced with the compound represented by the above formula, and the magnetic divalent and trivalent iron is used. It is characterized by employing salt.
前記磁性を帯びた二価三価鉄塩は上述したように、電磁気処理による特性と化学処理による特性の両方を同時に兼ね備えた活性物質で、この物質としては例えば磁鉄鉱を化学処理したものが例示でき、この物質の具体的製造方法として、次の工程により得たものを例示する。即ち、磁鉄鉱を濃塩酸に溶解させる工程、この溶液を水酸化ナトリウム，水酸化カルシウム，水酸化カリウム，水酸化リチウム等の強アルカリで中和する工程、この中和した溶液を濃縮して結晶を得る工程、この結晶を、磁鉄鉱を濃塩酸に半溶解させた溶液に加える工程とを含んで製造する。 As described above, the magnetic divalent and trivalent iron salt is an active substance that has both the characteristics by the electromagnetic treatment and the characteristics by the chemical treatment at the same time. Examples of this substance include those obtained by chemically treating magnetite. As a specific method for producing this substance, those obtained by the following steps are exemplified. That is, a step of dissolving magnetite in concentrated hydrochloric acid, a step of neutralizing this solution with a strong alkali such as sodium hydroxide, calcium hydroxide, potassium hydroxide, lithium hydroxide, and the like. And the step of adding the crystals to a solution of magnetite semi-dissolved in concentrated hydrochloric acid.
実施の形態２において、前記磁性を帯びた二価三価鉄塩は後述する方法により製造した二価三価鉄塩水溶液（二価三価鉄塩の原液）を採用している。以下、前記原液の具体的製造方法の一例について説明する。 In the second embodiment, the magnetic divalent and trivalent iron salt employs a divalent and trivalent iron salt aqueous solution (divalent and trivalent iron salt undiluted solution) produced by the method described later. Hereinafter, an example of a specific method for producing the stock solution will be described.
（二価三価鉄塩の原液の製造例３）
０．１ｇの磁鉄鉱を１０ｍｌの濃塩酸に入れ、攪拌溶解させて２４時間静置する。この溶液に２５ｍｌの２Ｎ水酸化ナトリウム水溶液を加えて２４時間静置して、中和する。この溶液を減圧濃縮して結晶を析出し、空気乾燥器中で結晶を乾燥する。この結晶を１０ｍｌのエチルアルコールに入れて洗浄する。この洗浄操作を数回繰り返して結晶を精製し、活性物質（結晶）を得る。この際の収率は０．８８ｇであった。次いで、５ｇの磁鉄鉱を１０ｍｌの濃塩酸に入れ、攪拌して半溶解させた後、上記工程で得られた活性物質結晶を０．１ｇ加え良く攪拌して２４時間静置する。この上澄み液をデカンテーション法により不溶の磁鉄鉱と分離し、活性物質溶液（磁性を帯びた二価三価鉄塩）を得た。この活性物質溶液を蒸留水又は純水に溶解して約１００倍〜約１００００倍に希釈した水溶液、即ち、前記二価三価鉄塩約０．０１％〜約１％水溶液（二価三価鉄塩の原液Ｃ）とする。
(Production Example 3 of Divalent and Trivalent Iron Salt Stock Solution)
0.1 g of magnetite is put into 10 ml of concentrated hydrochloric acid, dissolved by stirring and allowed to stand for 24 hours. 25 ml of 2N aqueous sodium hydroxide solution is added to this solution and left to stand for 24 hours for neutralization. The solution is concentrated under reduced pressure to precipitate crystals, which are dried in an air dryer. The crystals are washed in 10 ml of ethyl alcohol. This washing operation is repeated several times to purify the crystals to obtain the active substance (crystals). The yield at this time was 0.88 g. Next, 5 g of magnetite is put into 10 ml of concentrated hydrochloric acid and stirred to dissolve half, and then 0.1 g of the active substance crystal obtained in the above step is added and stirred well and allowed to stand for 24 hours. This supernatant was separated from insoluble magnetite by decantation to obtain an active substance solution (magnetic divalent and trivalent iron salt). An aqueous solution obtained by dissolving this active substance solution in distilled water or pure water and diluting about 100 times to about 10000 times, that is, about 0.01% to about 1% aqueous solution (divalent trivalent iron salt) A stock solution of iron salt C).
実施の形態２の植物成長補助剤は、水道水や井戸水等の水にニコチン酸アミドと、前記二価三価鉄塩の原液Ｃ、及び動物の尿その他の液状肥料を所定の濃度になるように添加して調製した水溶液の形態として植物に適用される。前記水に対するニコチン酸アミド、前記原液Ｃ、及び前記肥料の濃度については実施の形態１と同様である。 The plant growth adjuvant of the second embodiment is such that nicotinamide, stock solution C of the divalent and trivalent iron salt, and animal urine and other liquid fertilizer have a predetermined concentration in water such as tap water and well water. Applied to plants in the form of an aqueous solution prepared by adding to. The concentrations of nicotinic acid amide, stock solution C, and fertilizer with respect to water are the same as those in the first embodiment.
（実施の形態３）
本発明の実施の形態３による植物成長補助剤は、実施の形態１又は２の植物成長補助剤において、成分として、さらに苦汁を含有して製造される。
即ち、具体的には、水道水や井戸水等の水にニコチン酸アミドと、苦汁と、前記二価三価鉄塩の原液Ａ又はＢ、及び動物の尿その他の液状肥料を所定の濃度になるように添加して調製した水溶液の形態として植物に適用される。前記水に対する苦汁の濃度（添加量）は特に限定されないが、例えば約１×１０−４ｍｇ／リットル（濃度約１００ｐｐｍ）〜約１×１０−８ｍｇ／リットル（濃度約０．０１ｐｐｍ）程度の範囲を挙げることができる。
或いは、前記水にニコチン酸アミドと、苦汁と、前記二価三価鉄塩の原液Ｃ、及び前記肥料を所定の濃度になるように添加して調製した水溶液の形態として植物に適用される。前記水に対する苦汁の濃度については前記と同様である。
実施の形態３において、前記水に対するニコチン酸アミド、前記原液Ａ又はＢ又はＣ、及び前記肥料の濃度については実施の形態１と同様である。また、前記水に対する前記各成分の濃度（添加量）を所望の倍率で増量した組成物（濃縮水溶液）を製造し、所要時に前記組成物を水道水や井戸水等の水で所定の倍率に希釈して植物に適用するように構成できることについても実施の形態１と同様である。
(Embodiment 3)
The plant growth aid according to Embodiment 3 of the present invention is produced by further containing bitter juice as a component in the plant growth aid of Embodiment 1 or 2.
Specifically, nicotinamide, bitter juice, stock solution A or B of the divalent and trivalent iron salt, and animal urine and other liquid fertilizers are brought to predetermined concentrations in water such as tap water and well water. It is applied to plants in the form of an aqueous solution prepared by adding so. The concentration (addition amount) of bitter juice with respect to the water is not particularly limited, but for example, about 1 × 10 −4 mg / liter (concentration about 100 ppm) to about 1 × 10 −8 mg / liter (concentration about 0.01 ppm). A range can be mentioned.
Alternatively, it is applied to plants in the form of an aqueous solution prepared by adding nicotinamide, bitter juice, stock solution C of the divalent and trivalent iron salt, and the fertilizer to a predetermined concentration in the water. About the density | concentration of the bitter juice with respect to the said water, it is the same as that of the above.
In Embodiment 3, the concentration of nicotinic acid amide, stock solution A or B or C, and fertilizer with respect to water is the same as that in Embodiment 1. Also, a composition (concentrated aqueous solution) is produced by increasing the concentration (addition amount) of each component with respect to the water at a desired magnification, and the composition is diluted to a predetermined magnification with water such as tap water or well water when necessary. The configuration that can be applied to plants is the same as in the first embodiment.
次に本発明の実施例を説明する。下記の実施例はその一例として開示したもので、本発明はこれらに限定されるものではないこと勿論である。 Next, examples of the present invention will be described. The following examples are disclosed as examples, and the present invention is of course not limited thereto.
以下に示す実施例では、ニコチン酸アミドとして和光純薬工業株式会社製の特級試薬を採用している。また、水として水道水、苦汁として天然苦汁を使用している。
さらに、以下に示す実施例では、前記原液Ａとして、実施の形態１の二価三価鉄塩の原液の製造例１により製造した約１０００倍希釈の水溶液、即ち、前記製造例１の前記二価三価鉄塩約０．１％水溶液を採用した。
また、前記原液Ｂとして、実施の形態１の二価三価鉄塩の原液の製造例２により製造した約１０００倍希釈の水溶液、即ち、前記製造例２の前記二価三価鉄塩約０．１％水溶液を採用した。
さらにまた、前記原液Ｃとして、実施の形態２の二価三価鉄塩の原液の製造例３により製造した約１０００倍希釈の水溶液、即ち、前記製造例３の前記二価三価鉄塩約０．１％水溶液を採用した。
さらにまた、以下に示す各実施例の植物成長補助剤は、これをそのままの状態で植物に適用する水溶液の形態として製造（調製）されている。さらにまた、動物の尿その他の液状肥料の濃度の数値（％）については植物成長補助剤の全体容量に対する容量濃度として開示されている。
In the following examples, a special grade reagent manufactured by Wako Pure Chemical Industries, Ltd. is used as nicotinamide. Moreover, tap water is used as water and natural bitter juice is used as bitter juice.
Further, in the examples shown below, as the stock solution A, an aqueous solution of about 1000 times dilution produced in Production Example 1 of the divalent and trivalent iron salt stock solution of Embodiment 1, that is, the two solutions of Production Example 1 were used. An approximately 0.1% aqueous solution of trivalent iron salt was employed.
Further, as the stock solution B, an about 1000-fold diluted aqueous solution produced in Production Example 2 of the divalent and trivalent iron salt stock solution of Embodiment 1, that is, the divalent and trivalent iron salt of Production Example 2 was about 0. A 1% aqueous solution was employed.
Furthermore, as the stock solution C, an about 1000-fold diluted aqueous solution produced according to Production Example 3 of the divalent and trivalent iron salt stock solution of Embodiment 2, that is, about the divalent and trivalent iron salt of Production Example 3 A 0.1% aqueous solution was employed.
Furthermore, the plant growth adjuvant of each Example shown below is manufactured (prepared) in the form of an aqueous solution that is applied to a plant as it is. Furthermore, the numerical value (%) of the concentration of animal urine and other liquid fertilizers is disclosed as a volume concentration relative to the total volume of the plant growth aid.
（実施例１）
前記水にニコチン酸アミドを約１×１０−６ｍｇ／リットル（濃度約１．００ｐｐｍ）、前記二価三価鉄塩の原液Ａを約１×１０−９ｍｇ／リットル（濃度約１．００ｐｐｂ）、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
Example 1
About 1 × 10 −6 mg / liter of nicotinamide in the water (concentration of about 1.00 ppm) and about 1 × 10 −9 mg / liter of the divalent trivalent iron salt stock solution (concentration of about 1.00 ppb) ) And about 5 / 10,000% of cow urine was added to obtain a plant growth aid.
（実施例２）
前記水にニコチン酸アミドを約１×１０−７ｍｇ／リットル（濃度約０．１ｐｐｍ）、前記原液Ａを約１×１０−１０ｍｇ／リットル（濃度約０．１ｐｐｂ）、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
(Example 2)
About 1 × 10 −7 mg / liter of nicotinamide in the water (concentration of about 0.1 ppm), about 1 × 10 −10 mg / liter of the stock solution A (concentration of about 0.1 ppb), and cow urine About 5/10000% was added to obtain a plant growth aid.
（実施例３）
前記水にニコチン酸アミドを約１×１０−８ｍｇ／リットル（濃度約０．０１ｐｐｍ）、前記原液Ａを約１×１０−１１ｍｇ／リットル（濃度約０．０１ｐｐｂ）、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
(Example 3)
About 1 × 10 −8 mg / liter of nicotinamide in the water (concentration of about 0.01 ppm), about 1 × 10 −11 mg / liter of the stock solution A (concentration of about 0.01 ppb), and cow urine About 5/10000% was added to obtain a plant growth aid.
上記実施例１〜３の各植物成長補助剤をイネ種子等の植物に使用したところ、前記水にニコチン酸アミド及び前記原液Ａのみを添加して製造した植物成長補助剤を使用した場合に比べ、植物を活性して成長促進作用を向上することが判明した。 When each plant growth adjuvant of Examples 1-3 above was used for plants such as rice seeds, compared to the case where a plant growth adjuvant produced by adding only nicotinamide and the stock solution A to the water was used. It was found that the plant was activated to improve the growth promoting action.
（実施例４）
前記水にニコチン酸アミドを約１×１０−６ｍｇ／リットル、前記二価三価鉄塩の原液Ｂを約１×１０−９ｍｇ／リットル、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
Example 4
About 1 × 10 −6 mg / liter of nicotinamide is added to the water, about 1 × 10 −9 mg / liter of the divalent trivalent iron salt stock solution B, and about 5/10000% of bovine urine is added. A plant growth aid was obtained.
（実施例５）
前記水にニコチン酸アミドを約１×１０−７ｍｇ／リットル、前記原液Ｂを約１×１０−１０ｍｇ／リットル、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
(Example 5)
About 1 × 10 −7 mg / liter of nicotinamide is added to the water, about 1 × 10 −10 mg / liter of the stock solution B, and about 5/10000% of cow urine to obtain a plant growth aid. It was.
（実施例６）
前記水にニコチン酸アミドを約１×１０−８ｍｇ／リットル、前記原液Ｂを約１×１０−１１ｍｇ／リットル、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
(Example 6)
About 1 × 10 −8 mg / liter of nicotinamide is added to the water, about 1 × 10 −11 mg / liter of the stock solution B, and about 5/10000% of bovine urine to obtain a plant growth aid. It was.
（実施例７）
前記水にニコチン酸アミドを約１×１０−６ｍｇ／リットル、前記二価三価鉄塩の原液Ｃを約１×１０−９ｍｇ／リットル、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
(Example 7)
About 1 × 10 −6 mg / liter of nicotinamide is added to the water, about 1 × 10 −9 mg / liter of stock solution C of the divalent and trivalent iron salt, and about 5/10000% of bovine urine is added. A plant growth aid was obtained.
（実施例８）
前記水にニコチン酸アミドを約１×１０−７ｍｇ／リットル、前記原液Ｃを約１×１０−１０ｍｇ／リットル、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
(Example 8)
About 1 × 10 −7 mg / liter of nicotinamide is added to the water, about 1 × 10 −10 mg / liter of the stock solution C, and about 5/10000% of cow urine to obtain a plant growth aid. It was.
（実施例９）
前記水にニコチン酸アミドを約１×１０−８ｍｇ／リットル、前記原液Ｃを約１×１０−１１ｍｇ／リットル、及び牛の尿を約５／１００００％添加して植物成長補助剤を得た。
Example 9
About 1 × 10 −8 mg / liter of nicotinamide is added to the water, about 1 × 10 −11 mg / liter of the stock solution C, and about 5/10000% of cow urine to obtain a plant growth aid. It was.
上記実施例４〜９の各植物成長補助剤について前記と同様の方法で実験したところ、実施例１〜３と同様の結果が得られることが判明した。 When experiments were conducted on the plant growth aids of Examples 4 to 9 in the same manner as described above, it was found that the same results as in Examples 1 to 3 were obtained.
（実施例１０）
前記水に対し、苦汁を約１×１０−６ｍｇ／リットル（濃度約１．００ｐｐｍ）添加する。それ以外は実施例１と全く同様の方法で調製して植物成長補助剤を得た。
(Example 10)
About 1 × 10 −6 mg / liter (concentration of about 1.00 ppm) of bitter juice is added to the water. Other than that was prepared in the same manner as in Example 1 to obtain a plant growth aid.
（実施例１１〜実施例１８）
前記水に対し、苦汁を約１×１０−６ｍｇ／リットル（濃度約１．００ｐｐｍ）添加する。それ以外は実施例２〜実施例９の各植物成長補助剤と全く同様の方法で調製して植物成長補助剤を得た。
(Examples 11 to 18)
About 1 × 10 −6 mg / liter (concentration of about 1.00 ppm) of bitter juice is added to the water. Other than that was prepared in the same manner as the plant growth aids of Examples 2 to 9 to obtain plant growth aids.
上記実施例１０〜１８の各植物成長補助剤について前記と同様の方法で実験したところ、実施例１０〜１８の各植物成長補助剤は、実施例１〜９の各植物成長補助剤に比べ、植物の成長を一層増進させることが判明した。 When experimented in the same manner as described above for each of the plant growth aids of Examples 10 to 18, the plant growth aids of Examples 10 to 18 were compared to the plant growth aids of Examples 1 to 9, respectively. It has been found to further increase plant growth.
なお、上記実施例１〜１８は液状肥料として牛の尿を採用した例を開示したが、牛の尿に代え、豚の尿その他の動物の尿、或いはその他の液状肥料を採用できること勿論である。
In addition, although the said Examples 1-18 disclosed the example which employ | adopted the cow urine as a liquid fertilizer, it replaces with a cow urine and can naturally employ | adopt a pig urine and other animal urine, or another liquid fertilizer. .
Claims (5)
前記二価三価鉄塩は、式、
Ｆｅ＋２ ｍ Ｆｅ＋３ ｎ Ｃｌ２ｍ＋３ｎ（式中ｍ及びｎは正の整数を示す）
で示される化合物であることを特徴とする、
植物成長補助剤。 Contains nicotinamide, divalent and trivalent iron salts, and animal urine and other liquid fertilizers,
The divalent and trivalent iron salt has the formula:
Fe +2 m Fe +3 n Cl 2m + 3n (wherein m and n represent positive integers)
A compound represented by the formula:
Plant growth aid.
The plant growth aid according to any one of claims 1 to 4, wherein the plant growth aid further contains bitter juice.
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| JP2005329745A JP2007137780A (en) | 2005-11-15 | 2005-11-15 | Plant growth supplement |
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| JP2005329745A JP2007137780A (en) | 2005-11-15 | 2005-11-15 | Plant growth supplement |
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| JP2007137780A true JP2007137780A (en) | 2007-06-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008289405A (en) * | 2007-05-24 | 2008-12-04 | Ako Kasei Co Ltd | Method for improving coloring of fruit and preventing fruit cracking |
| CN101376612B (en) * | 2008-10-10 | 2011-04-27 | 浙江大学 | Aminoacid foliar fertilizer and use thereof |
| CN102746069A (en) * | 2012-04-26 | 2012-10-24 | 浙江农林大学 | Aphid prevention and control fertilizer |
| CN104086272A (en) * | 2014-07-16 | 2014-10-08 | 句容谷歌庄园现代农业科技发展有限公司 | Special-purpose fertilizer for seedless grapes as well as preparation method and application thereof |
| CN105265483A (en) * | 2014-06-02 | 2016-01-27 | 刘维艮 | Yield increase element for promoting plant growth, and production method thereof |
| CN109122136A (en) * | 2018-07-24 | 2019-01-04 | 广东省生态环境技术研究所 | A kind of method of rice safety in production on mild or moderate heavy-metal contaminated soil |
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2005
- 2005-11-15 JP JP2005329745A patent/JP2007137780A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008289405A (en) * | 2007-05-24 | 2008-12-04 | Ako Kasei Co Ltd | Method for improving coloring of fruit and preventing fruit cracking |
| CN101376612B (en) * | 2008-10-10 | 2011-04-27 | 浙江大学 | Aminoacid foliar fertilizer and use thereof |
| CN102746069A (en) * | 2012-04-26 | 2012-10-24 | 浙江农林大学 | Aphid prevention and control fertilizer |
| CN105265483A (en) * | 2014-06-02 | 2016-01-27 | 刘维艮 | Yield increase element for promoting plant growth, and production method thereof |
| CN104086272A (en) * | 2014-07-16 | 2014-10-08 | 句容谷歌庄园现代农业科技发展有限公司 | Special-purpose fertilizer for seedless grapes as well as preparation method and application thereof |
| CN109122136A (en) * | 2018-07-24 | 2019-01-04 | 广东省生态环境技术研究所 | A kind of method of rice safety in production on mild or moderate heavy-metal contaminated soil |
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