JP2000316453A - Sterilization of soil - Google Patents
Sterilization of soilInfo
- Publication number
- JP2000316453A JP2000316453A JP11124950A JP12495099A JP2000316453A JP 2000316453 A JP2000316453 A JP 2000316453A JP 11124950 A JP11124950 A JP 11124950A JP 12495099 A JP12495099 A JP 12495099A JP 2000316453 A JP2000316453 A JP 2000316453A
- Authority
- JP
- Japan
- Prior art keywords
- soil
- electrolyte solution
- sterilizing
- electrode
- fungi
- 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
Landscapes
- Catching Or Destruction (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、家庭菜園、畑、田
圃の土、砂場の砂等、土壌中の菌類を殺菌する土壌の殺
菌方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for disinfecting soil, such as soil in home gardens, fields and fields, sand in sandboxes, and the like, for disinfecting fungi in the soil.
【０００２】[0002]
【従来の技術】上記した土壌は人が直接触れるもので、
土壌中の菌類を殺菌することが好ましい場合が多い。こ
のため、土壌の殺菌方法としては、特開昭６２−２５９
５３３号公報、特開平７−１４５０１５号公報、特開平
７−３０４６１７号公報、特開平７−５３３１７号公
報、特開平７−１０１８１４号公報等に各種の殺菌方法
が提案されている。2. Description of the Related Art The above-mentioned soil is directly touched by humans,
It is often preferred to kill fungi in the soil. For this reason, as a method for sterilizing soil, Japanese Patent Application Laid-Open No. 62-259
Various sterilization methods have been proposed in JP-A-533, JP-A-7-145015, JP-A-7-304617, JP-A-7-53317, JP-A-7-101814 and the like.
【０００３】これらの公報に提案されている殺菌方法に
おいては、特開昭６２−２５９５３３号公報にて提案さ
れているように、土壌に直流のパルス電流を印加するこ
とにより土壌中の菌類を殺菌する方法と、その他の各公
報にて提案されているように、酸性イオン水で希釈した
過酸化水素水、電気分解で生成した陽極水（酸性水、酸
性イオン水）等、殺菌力を有する酸性の殺菌水を土壌に
散布する方法との２つに大別される。[0003] In the disinfection method proposed in these publications, a fungus in the soil is disinfected by applying a DC pulse current to the soil, as proposed in JP-A-62-259533. And hydrogen peroxide diluted with acidic ionic water, anodic water (acidic water, acidic ionic water) generated by electrolysis, etc., as proposed in other publications. Spraying sterilized water on soil.
【０００４】[0004]
【発明が解決しようとする課題】ところで、これらの殺
菌方法のうち、前者の殺菌方法である土壌に直流のパル
ス電流を印加する殺菌方法おいては、土壌中の菌類を電
気エネルギーにより感電死させるものと考えられ、土壌
中に水分を含有する電解質が十分に存在しないとパルス
が流れず、効果的な殺菌は行えない。Among these sterilization methods, the former sterilization method in which a DC pulse current is applied to the soil causes fungi in the soil to be electrocuted by electric energy. If the electrolyte containing water is not sufficiently present in the soil, the pulse does not flow, and effective sterilization cannot be performed.
【０００５】また、これらの殺菌方法のうち、後者の殺
菌方法である土壌に殺菌水（殺菌剤）を散布する殺菌方
法おいては、土壌中の菌類を殺菌剤の殺菌作用により殺
菌するものであり、土壌に対する残留性の低い殺菌剤を
採用すべきである。しかしながら、残留性の低い殺菌剤
を使用する場合には、殺菌剤は土壌の表面で殺菌作用を
用尽して殺菌作用が土壌中に行き渡らず、また、土壌中
に殺菌作用を行き渡らせるべく強力な殺菌作用を持つ高
濃度の殺菌剤を採用する場合には、殺菌剤が土壌中に残
留するという問題がある。[0005] Among these sterilization methods, the latter sterilization method of spraying sterilizing water (fungicide) on the soil involves sterilizing fungi in the soil by the sterilizing action of the fungicide. Yes, fungicides with low soil persistence should be used. However, when a low-persistence fungicide is used, the fungicide exhausts the bactericidal action on the surface of the soil, so that the bactericidal action does not spread throughout the soil, and is also strong enough to spread the bactericidal action in the soil. When a high-concentration bactericide having an effective bactericidal action is employed, there is a problem that the bactericide remains in soil.
【０００６】従って、本発明の目的は、土壌中の菌類を
効果的に殺菌でき、かつ、殺菌剤等の土壌汚染の原因と
なる物が残留することがない土壌の殺菌方法を提供する
ことにある。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a method for disinfecting soil, in which fungi in soil can be effectively disinfected, and there is no residue of soil contaminants such as disinfectants. is there.
【０００７】[0007]
【課題を解決するための手段】本発明は土壌の殺菌方法
に関するもので、当該殺菌方法は、電解質溶液を土壌に
散布して電解質溶液を土壌に含有させ、土壌が含有する
電解質溶液を土壌中で電気分解して、土壌中の菌類を殺
菌することを特徴とするものである。SUMMARY OF THE INVENTION The present invention relates to a method for disinfecting soil, which comprises dispersing an electrolyte solution in soil, causing the electrolyte solution to be contained in the soil, and dissolving the electrolyte solution contained in the soil in the soil. And sterilizes fungi in the soil.
【０００８】本発明に係る殺菌方法においては、前記電
解質溶液としてハロゲン化物を溶解した水溶液を採用す
ることができる。この場合、ハロゲン化物としては、特
に塩化ナトリウムを採用することが好ましい。In the sterilization method according to the present invention, an aqueous solution in which a halide is dissolved can be used as the electrolyte solution. In this case, it is particularly preferable to employ sodium chloride as the halide.
【０００９】また、前記電解質溶液の電気分解には、棒
状の陽極電極および陰極電極を採用して、電解質溶液を
含有する土壌中にこれらの両電極を差し込んで土壌が含
有する電解質溶液を電気分解するようにすることができ
る。この場合の電気分解には、棒状の多数の陽極電極と
陰極電極を基板に互いに千鳥配列してなる電極盤を採用
し、電解質溶液を含有する土壌中に、同電極盤の各電極
を差し込んで土壌が含有する電解質溶液を電気分解する
ようにすることが好ましい。In the electrolysis of the electrolyte solution, a rod-shaped anode electrode and a cathode electrode are employed, and these electrodes are inserted into the soil containing the electrolyte solution to electrolyze the electrolyte solution contained in the soil. You can make it. In the electrolysis in this case, an electrode plate in which a large number of rod-shaped anode and cathode electrodes are staggered on a substrate is adopted, and each electrode of the electrode plate is inserted into soil containing an electrolyte solution. Preferably, the electrolyte solution contained in the soil is electrolyzed.
【００１０】[0010]
【発明の作用・効果】本発明に係る殺菌方法によれば、
主として、電解質溶液を土壌中で電気分解することによ
り生成される電解生成物の殺菌作用により土壌中の菌類
が殺菌されるもので、土壌中の菌類を効率よく殺菌する
ことができる。この場合、電解質溶液からの電解生成物
は、低濃度でかつ分解が早いものであることから、土壌
に対する残留性が低い。また、電解質溶液の電気分解で
は弱アルカリ性物質が発生するが、弱アルカリ性物質は
酸性雨等による土壌の汚染を軽減する効果を有する。According to the sterilization method of the present invention,
Mainly, fungi in the soil are sterilized by the bactericidal action of the electrolytic product generated by electrolyzing the electrolyte solution in the soil, and the fungi in the soil can be efficiently sterilized. In this case, the electrolysis product from the electrolyte solution has a low concentration and is rapidly decomposed, and thus has a low persistence in soil. In addition, a weak alkaline substance is generated in the electrolysis of the electrolyte solution, and the weak alkaline substance has an effect of reducing soil pollution due to acid rain and the like.
【００１１】本発明に係る殺菌方法においては、電気質
溶液としてハロゲン化物を溶解した水溶液、特に塩化ナ
トリウムを採用することにより、電解質溶液の電気分解
の効率を高めて土壌中の菌類の殺菌効果を高めることが
できる。In the sterilization method according to the present invention, an aqueous solution in which a halide is dissolved, in particular, sodium chloride, is employed as the electrolytic solution, so that the efficiency of electrolytic decomposition of the electrolytic solution is increased, and the sterilizing effect of fungi in the soil is improved. Can be enhanced.
【００１２】また、本発明に係る殺菌方法においては、
電解質溶液の電気分解に棒状の陽極電極および陰極電極
を採用して、電解質溶液を含有する土壌中にこれらの両
電極を差し込んで土壌が含有する電解質溶液を電気分解
するようにすることができる。この場合には、特に、棒
状の陽極電極と陰極電極を多数用い、これらの多数の陽
極電極と陰極電極を基板に互いに千鳥配列してなる電極
盤を採用して、電解質溶液を含有する土壌中に、同電極
盤の各電極を差し込んで土壌が含有する電解質溶液を電
気分解するようにすれば、広範囲の領域で、土壌が含有
する電解質溶液を効率よく電気分解することができる。In the sterilization method according to the present invention,
A rod-shaped anode electrode and a cathodic electrode are employed for the electrolysis of the electrolyte solution, and these electrodes can be inserted into the soil containing the electrolyte solution to electrolyze the electrolyte solution contained in the soil. In this case, in particular, a large number of rod-shaped anode electrodes and cathode electrodes are used, and an electrode plate having a large number of these anode electrodes and cathode electrodes arranged in a zigzag pattern on a substrate is adopted. If the electrodes of the electrode board are inserted to electrolyze the electrolyte solution contained in the soil, the electrolyte solution contained in the soil can be efficiently electrolyzed in a wide range.
【００１３】[0013]
【発明の実施の形態】本発明に係る土壌の殺菌方法の具
体的な実験例を示す。当該土壌の殺菌実験では、電解質
溶液として食塩を０．１重量％含有する低濃度の食塩水
を採用するとともに、電解質溶液である食塩水の電気分
解に、図１および図２に示す電極盤１０を採用する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific experimental examples of the method for sterilizing soil according to the present invention will be described. In the soil sterilization experiment, a low-concentration saline solution containing 0.1% by weight of sodium chloride was employed as an electrolyte solution, and the electrode board 10 shown in FIGS. Is adopted.
【００１４】電極盤１０は、基板１１の裏面側に、多数
の棒状の陽極電極１２と、多数の棒状の陰極電極１３を
植設してなるもので、その大きさは例えば、基板１１は
縦５０ｃｍ、横５０ｃｍの方形を呈し、かつ、両電極１
２，１３は直径０．５ｃｍで長さ２０ｃｍのものであ
る。陽極電極１２と陰極電極１３は、互いに千鳥配列し
て設けられている。The electrode board 10 is formed by implanting a large number of rod-shaped anode electrodes 12 and a large number of rod-shaped cathode electrodes 13 on the back side of a substrate 11. It has a rectangular shape of 50 cm and 50 cm in width, and has both electrodes 1
Reference numerals 2 and 13 have a diameter of 0.5 cm and a length of 20 cm. The anode electrode 12 and the cathode electrode 13 are provided in a staggered arrangement with each other.
【００１５】当該殺菌実験では、殺菌すべき土壌として
圃場を利用して、上記した低濃度食塩水を圃場１ｍ2当
たり１Ｌ散布し、圃場の低濃度食塩水が散布された場所
（約ｍ2の領域）の中央部に電極盤１０の両電極１２，
１３の全てを差し込んで、印加電流を Ａとして土壌が
含有する低濃度食塩水を電気分解した。In the sterilization experiment, 1 L of the above-mentioned low-concentration saline was sprayed per 1 m 2 of the field using the field as the soil to be sterilized, and the low-concentration saline in the field was sprayed (about m 2 ). Region), the two electrodes 12,
All of 13 were inserted, and the applied current was A, and the low concentration saline solution contained in the soil was electrolyzed.
【００１６】土壌中に含有する低濃度食塩水の電気分解
では、各陽極電極１２側に殺菌作用を有する有効塩素が
生成される。有効塩素の主要成分は、次亜塩素酸であっ
て早期に分解するものであり、土壌中に存在する菌類の
多くを殺菌して無害なイオンに分解され、その後、土壌
中の金属イオンと化合して金属塩を生成する。例えば、
次亜塩素酸の分解生成物は、ナトリウムと化合して次亜
塩素酸ナトリウムを生成するが、生成される次亜塩素酸
ナトリウムは微量であり、また、空気や雨水等により酸
化されて分解される。一方、各陰極電極１３側には、水
素が生成されてそれらの周囲がアルカリ性となり、酸性
雨等で酸性化の傾向にある土壌を中和して中性または弱
アルカリ性とする。また、低濃度食塩水を含有する土壌
中では導電性が高く、電気エネルギーによる殺菌作用も
高くなる。In the electrolysis of the low-concentration saline solution contained in the soil, effective chlorine having a bactericidal action is generated on each anode electrode 12 side. The main component of available chlorine is hypochlorous acid, which decomposes at an early stage.It kills many fungi in the soil and breaks them down into harmless ions, which are then combined with metal ions in the soil. To form a metal salt. For example,
Decomposition products of hypochlorous acid combine with sodium to produce sodium hypochlorite, but the amount of sodium hypochlorite produced is very small, and it is oxidized and decomposed by air, rainwater, etc. You. On the other hand, on the side of each cathode electrode 13, hydrogen is generated and the surrounding area becomes alkaline, and the soil which tends to be acidified by acid rain or the like is neutralized to be neutral or weakly alkaline. In addition, the conductivity is high in the soil containing the low-concentration saline, and the bactericidal action by electric energy is high.
【００１７】このように、本発明に係る土壌の殺菌方法
によれば、電解質溶液を電気分解することにより、殺菌
剤を使用することなく土壌中の菌類を殺菌することがで
きる。この場合、土壌中の菌類の殺菌には、電気分解に
より生成される電解生成物の殺菌作用と、印加される電
気エネルギーの殺菌作用の両方が機能することから、菌
類の殺菌効果を著しく向上させることができる。また、
この場合の殺菌能力は使用する電解質溶液の電解質濃
度、および、両電極１２，１３に印加される電流値によ
り決定されるが、電気分解を土壌中で直接行っているた
め、電解質濃度の低い電解質溶液でよい。As described above, according to the method for sterilizing soil according to the present invention, fungi in soil can be sterilized without using a germicide by electrolyzing the electrolyte solution. In this case, for sterilizing fungi in the soil, since both the sterilizing action of the electrolytic product generated by electrolysis and the sterilizing action of the applied electric energy function, the fungicidal effect of the fungus is significantly improved. be able to. Also,
The sterilizing ability in this case is determined by the electrolyte concentration of the electrolyte solution used and the current value applied to both electrodes 12 and 13. Since the electrolysis is performed directly in the soil, the electrolyte having a low electrolyte concentration is used. It may be a solution.
【００１８】また、本発明に係る土壌の殺菌方法によれ
ば、電解生成物は少ない量であるとともに早期に分解さ
れるもので、土壌に対する残留性が低くて土壌を汚染す
るようなことはなく、さらには、電解生成物のアルカリ
性により、酸性雨等により酸性化の傾向にある土壌を中
性または弱アルカリ性に改質することができる。Further, according to the method for sterilizing soil according to the present invention, the amount of the electrolytic product is small and is decomposed at an early stage. Furthermore, soil which tends to be acidified by acid rain or the like can be modified to neutral or weak alkaline by the alkalinity of the electrolytic product.
【図１】本発明に係る殺菌方法で使用する電極盤の側面
図である。FIG. 1 is a side view of an electrode board used in a sterilization method according to the present invention.
【図２】同電極盤の下方から見た底面図である。FIG. 2 is a bottom view as seen from below the electrode board.
１０…電極盤、１１…基板、１２…陽極電極、１３…陰
極電極。10: electrode board, 11: substrate, 12: anode electrode, 13: cathode electrode.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 2B121 AA20 CC03 DA02 EA25 EA26 FA02 FA15 4D061 DA10 DB01 EA02 EB01 EB14 EB20 EB33 ED13 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 2B121 AA20 CC03 DA02 EA25 EA26 FA02 FA15 4D061 DA10 DB01 EA02 EB01 EB14 EB20 EB33 ED13
Claims (5)
土壌に含有させ、土壌が含有する電解質溶液を土壌中で
電気分解して、土壌中の菌類を殺菌することを特徴とす
る土壌の殺菌方法。1. An soil solution comprising the steps of: dispersing an electrolyte solution in soil; causing the electrolyte solution to be contained in the soil; and electrolyzing the electrolyte solution contained in the soil in the soil to kill fungi in the soil. Sterilization method.
電解質溶液はハロゲン化物を溶解した水溶液であること
を特徴とする土壌の殺菌方法。2. The method for sterilizing soil according to claim 1, wherein said electrolyte solution is an aqueous solution in which a halide is dissolved.
て、前記ハロゲン化物は塩化ナトリウムであることを特
徴とする土壌の殺菌方法。3. The method for sterilizing soil according to claim 2, wherein said halide is sodium chloride.
て、前記電解質溶液の電気分解には、棒状の陽極電極お
よび陰極電極を採用して、電解質溶液を含有する土壌中
に、これらの両電極を差し込んで、土壌が含有する電解
質溶液を電気分解することを特徴とする土壌の殺菌方
法。4. The method for sterilizing soil according to claim 1, wherein a rod-shaped anode electrode and a cathode electrode are employed for the electrolysis of the electrolyte solution, and both of these are added to the soil containing the electrolyte solution. A method for sterilizing soil, comprising inserting an electrode to electrolyze an electrolyte solution contained in soil.
て、土壌が含有する電解質溶液の電気分解には、棒状の
多数の陽極電極と陰極電極を基板に互いに千鳥配列して
なる電極盤を採用し、電解質溶液を含有する土壌中に、
同電極盤の各電極を差し込んで、土壌が含有する電気質
溶液を電気分解することを特徴とする土壌の殺菌方法。5. The method for disinfecting soil according to claim 1, wherein the electrolysis of the electrolyte solution contained in the soil is performed by using an electrode plate in which a large number of rod-shaped anode and cathode electrodes are staggered on a substrate. Adopted and in the soil containing the electrolyte solution,
A method for sterilizing soil, comprising inserting each electrode of the electrode panel and electrolyzing an electrolyte solution contained in the soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12495099A JP3575739B2 (en) | 1999-04-30 | 1999-04-30 | How to sterilize soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12495099A JP3575739B2 (en) | 1999-04-30 | 1999-04-30 | How to sterilize soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000316453A true JP2000316453A (en) | 2000-11-21 |
| JP3575739B2 JP3575739B2 (en) | 2004-10-13 |
Family
ID=14898232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12495099A Expired - Fee Related JP3575739B2 (en) | 1999-04-30 | 1999-04-30 | How to sterilize soil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3575739B2 (en) |
-
1999
- 1999-04-30 JP JP12495099A patent/JP3575739B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP3575739B2 (en) | 2004-10-13 |
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