JPH0834687A - Method for reforming soil acidity and soil acidity reforming agent - Google Patents
Method for reforming soil acidity and soil acidity reforming agentInfo
- Publication number
- JPH0834687A JPH0834687A JP19288194A JP19288194A JPH0834687A JP H0834687 A JPH0834687 A JP H0834687A JP 19288194 A JP19288194 A JP 19288194A JP 19288194 A JP19288194 A JP 19288194A JP H0834687 A JPH0834687 A JP H0834687A
- Authority
- JP
- Japan
- Prior art keywords
- soil
- acidity
- agent
- reforming
- present
- 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.)
- Withdrawn
Links
- 239000002689 soil Substances 0.000 title claims abstract description 66
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 13
- 238000002407 reforming Methods 0.000 title abstract 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 24
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 22
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims description 13
- -1 magnesia compound Chemical class 0.000 claims description 11
- 239000000463 material Substances 0.000 abstract description 13
- 239000000378 calcium silicate Substances 0.000 abstract description 5
- 229910052918 calcium silicate Inorganic materials 0.000 abstract description 5
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 14
- 235000010216 calcium carbonate Nutrition 0.000 description 8
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 8
- 230000002378 acidificating effect Effects 0.000 description 7
- 239000000292 calcium oxide Substances 0.000 description 7
- 235000012255 calcium oxide Nutrition 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002440 industrial waste Substances 0.000 description 4
- 230000002085 persistent effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 244000132059 Carica parviflora Species 0.000 description 1
- 241000234642 Festuca Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004889 fertilizer analysis Methods 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、土壌の酸度矯正法およ
び土壌の酸度矯正剤に関し、特に傾斜地における酸性土
壌の酸度矯正法および酸度矯正剤に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a soil acidity correction method and a soil acidity correction agent, and more particularly to an acidity correction method and an acidity correction agent for acidic soil in a sloping land.
【０００２】[0002]
【従来の技術】日本には、各処で、土壌地下部より（主
に硫酸からなる）酸性の滲出水が発生する強酸性土壌
（ｐＨ３．５以下）が存在する。2. Description of the Related Art In Japan, there are strong acid soils (pH 3.5 or less) where acidic seepage water (mainly consisting of sulfuric acid) is generated from the soil underground.
【０００３】この様な強酸性土壌においては、通常の植
栽物には障害が発生し、成育しないという問題が生じ
る。In such a strongly acidic soil, there is a problem that ordinary plantings are damaged and do not grow.
【０００４】一般に酸性土壌の矯正には生石灰、消石
灰、炭酸カルシウム等の石灰質資材が安価な資材として
施用される。[0004] Generally, calcareous materials such as quick lime, slaked lime, and calcium carbonate are applied as inexpensive materials for the correction of acidic soil.
【０００５】しかし、酸性水が地下部より連続的に滲出
すれば、せっかく中和しても容易に元に戻り、矯正効果
は長続きしないのが実情である。従って、持続性のある
酸度矯正材の提供が求められている。However, if the acidic water continuously exudes from the underground, it easily returns to the original state even if it is neutralized, and the corrective effect does not last long. Therefore, it is required to provide a long-lasting acidity straightener.
【０００６】前述の石灰質資材は、粉状で使用すれば矯
正速度は早いが、雨水等による溶脱が激しくなったり、
過度に施用すれば土壌のｐＨがアルカリ側にまで上昇す
るので逆に障害が生じてしまう。If the above-mentioned calcareous material is used in powder form, the straightening rate is fast, but leaching due to rainwater or the like becomes severe,
If it is applied excessively, the pH of the soil will rise to the alkaline side, which will cause problems.
【０００７】また、粒状で使用すると、粒の表面が硫酸
と反応して、難溶性の硫酸カルシウムの被膜が粒の表面
に形成されて、粒の内部が未反応のまま残り、未反応部
を多くするという欠点があり、やはり、酸度矯正効果が
長続きしないという問題があった。When used in granular form, the surface of the particles reacts with sulfuric acid to form a sparingly soluble calcium sulfate coating on the surface of the particles, leaving the inside of the particles unreacted and leaving unreacted parts. There is a drawback that the amount is increased, and again, there is a problem that the acidity correction effect does not last long.
【０００８】[0008]
【発明が解決しようとする課題】従って、本発明の目的
は、持続性のある土壌の酸度矯正法および酸度矯正剤を
提供することにある。SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a persistent soil acidity correction method and acidity correction agent.
【０００９】[0009]
【課題を解決するための手段】本発明者達は、以上述べ
たような問題点を解決すべく鋭意研究を行った結果、ア
ルカリ性粒状苦土化合物または多孔質炭酸カルシウム
が、原料として安価であるとともに、硫酸酸性水と中和
反応後、その粒子表面に硫酸カルシウムの被膜を形成し
ない物質であり、酸性硫酸塩土壌に対する持続性のある
酸度矯正剤として好適であることを見いだした。Means for Solving the Problems As a result of intensive studies conducted by the present inventors to solve the above-mentioned problems, alkaline granular magnesia compound or porous calcium carbonate is inexpensive as a raw material. At the same time, they have found that it is a substance that does not form a film of calcium sulfate on the surface of its particles after the neutralization reaction with sulfuric acid water, and is suitable as a persistent acidity corrector for acidic sulfate soil.
【００１０】従って、本発明によれば、アルカリ性粒状
苦土化合物を含有する土壌の酸度矯正剤が提供される。Therefore, according to the present invention, there is provided a soil acidity remediation agent containing an alkaline granular magnesia compound.
【００１１】また、本発明によれば、多孔質炭酸カルシ
ウムを含有する土壌の酸度矯正剤が提供される。Further, according to the present invention, there is provided a soil acidity-correcting agent containing porous calcium carbonate.
【００１２】さらに、本発明によれば、土壌の酸度矯正
剤としてアルカリ性粒状苦土化合物を使用することを特
徴とする土壌の酸度矯正法が提供される。Further, according to the present invention, there is provided a method for correcting soil acidity, which comprises using an alkaline granular magnesia compound as a soil acidity correcting agent.
【００１３】さらに、また、本発明によれば、土壌の酸
度矯正剤として多孔質炭酸カルシウムを使用することを
特徴とする土壌の酸度矯正法が提供される。Further, according to the present invention, there is provided a method for correcting acidity of soil, which comprises using porous calcium carbonate as an acidity corrector for soil.
【００１４】アルカリ性苦土化合物は硫酸と中和反応し
て硫酸マグネシウムを生成するが、この物質は水溶性で
あるため雨水等で容易に流亡する。従って、アルカリ性
苦土化合物の粒子表面は常に苦土化合物の新しい面を呈
している。その結果、持続して土壌ｐＨを好適土壌ｐＨ
に保つことができる。The alkaline magnesia compound neutralizes with sulfuric acid to form magnesium sulfate, but since this substance is water-soluble, it easily runs off in rainwater or the like. Therefore, the particle surface of the alkaline magnesia compound always exhibits a new aspect of the magnesia compound. As a result, the soil pH is maintained at a suitable soil pH.
Can be kept at
【００１５】また、多孔質炭酸カルシウムはその表面が
ポーラス状のため表面積が大きく、これらの粒子表面に
硫酸カルシウムの被膜ができにくい。その結果、持続し
て土壌ｐＨを好適土壌ｐＨに保つことができる。Since the surface of porous calcium carbonate is porous, the surface area is large, and it is difficult to form a calcium sulfate film on the surface of these particles. As a result, the soil pH can be maintained at a suitable soil pH continuously.
【００１６】本発明に利用するアルカリ性苦土化合物と
しては、水酸化マグネシウム、軽焼マグネシウム、マグ
ネシアクリンカー等が挙げられる。マグネシアクリンカ
ーは煉瓦材として使用されるが、そのためには粒子が大
きい必要があり、粒子の小さいものは廃棄物として投棄
されていた。本発明によれば、このように粒子が小さい
ために廃棄されていたマグネシアクリンカー等も有効に
利用できる。Examples of the alkaline magnesia compound used in the present invention include magnesium hydroxide, light burned magnesium, magnesia clinker and the like. The magnesia clinker is used as a brick material, but for that purpose, it is necessary to have large particles, and those with small particles were discarded as waste. According to the present invention, the magnesia clinker or the like, which has been discarded due to such small particles, can be effectively used.
【００１７】また、多孔質炭酸カルシウムとしては、貝
類やサンゴ等を焼却乾燥したり減圧乾燥することによっ
て得られる、海生物に由来するものが挙げられ、現状で
は大部分がやはり廃棄物として投棄されている。本発明
によれば、これらも有効に資源として利用できるように
なる。Further, examples of the porous calcium carbonate include those derived from marine organisms, which are obtained by incineration drying or vacuum drying of shellfish, coral, etc., and most of them are still discarded as wastes under the present circumstances. ing. According to the present invention, these can be effectively used as resources.
【００１８】本発明によれば、このように現状では廃棄
物として処理されているようなものも有効に資源として
利用できるので、酸度矯正剤の原料を安価なものとする
ことができる。また、資源の有効利用も促進でき、産業
廃棄物の量も減らすことができる。According to the present invention, since the materials that are currently treated as wastes can be effectively used as resources, the raw material of the acidity corrector can be made inexpensive. In addition, effective use of resources can be promoted and the amount of industrial waste can be reduced.
【００１９】さらに、上述のように、アルカリ性苦土化
合物または多孔質炭酸カルシウムを土壌の酸度矯正剤と
して用いれば、持続して土壌ｐＨを好適土壌ｐＨに保つ
ことができるから、本発明は、傾斜地土壌に、特に有効
に適用することができる。すなわち、近年、傾斜地、例
えば高速道路の法面や山に植生、植栽、植林を行う緑化
が推進されているが、このような傾斜地においては、従
来のように粉状の石灰質資材を用いると、雨水等による
溶脱が特に大きく、すぐに矯正効果が得られなくなって
しまうという問題があったが、本発明の酸度矯正剤を施
用すれば、このような傾斜地土壌においても酸度矯正効
果を持続して得ることができる。Further, as described above, if alkaline magnesia compound or porous calcium carbonate is used as a soil acidity corrector, the soil pH can be maintained at a suitable soil pH continuously. It can be applied particularly effectively to soil. That is, in recent years, vegetation, planting, greening by planting on slopes and mountains of highways has been promoted in recent years, but in such slopes, if powdery calcareous material is used as in the conventional case. However, there was a problem that leaching due to rainwater etc. was particularly large and the correction effect could not be obtained immediately, but by applying the acidity correction agent of the present invention, the acidity correction effect is maintained even in such a sloping soil. Can be obtained.
【００２０】なお、酸度矯正剤の施用量は土壌の酸度、
対象作物に応じて適宜調整する。The application amount of the acidity corrector is the acidity of the soil,
Adjust appropriately according to the target crop.
【００２１】本発明に使用する酸度矯正材の粒径として
は、持続性、反応性、ハンドリング性および施行上の点
で、０．５〜６．０ｍｍの範囲内であることが好まし
く、１．０〜４．０ｍｍの範囲内であることがより好ま
しい。The acidity-correcting material used in the present invention preferably has a particle size in the range of 0.5 to 6.0 mm in terms of durability, reactivity, handleability and practical use. More preferably, it is in the range of 0 to 4.0 mm.
【００２２】また、本発明の酸度矯正剤であるアルカリ
性苦土化合物と多孔質炭酸カルシウムとを併用してもよ
い。The alkaline magnesia compound, which is the acidity-correcting agent of the present invention, may be used in combination with porous calcium carbonate.
【００２３】さらに、本発明の酸度矯正剤と多孔質軽量
珪酸カルシウムとを併用することもできる。多孔質軽量
珪酸カルシウムとしては、軽量気泡コンクリート、綿状
珪酸カルシウム等が挙げられる。これらは建築資材、断
熱資材等として使用されるが、その際に切断クズや使用
後の不要物が多量に発生し、産業廃棄物として投棄され
ているのが現状であるが、このように、本発明の酸度矯
正剤と併用することにより資源として有効活用できる。
多孔質軽量珪酸カルシウムは、その表面がポーラス状の
ため表面積が大きく、粒子表面に硫酸カルシウムの被膜
ができにくい材料である。Further, the acidity-correcting agent of the present invention and porous lightweight calcium silicate can be used in combination. Examples of the porous lightweight calcium silicate include lightweight cellular concrete and cotton-like calcium silicate. These are used as building materials, heat insulating materials, etc., but at that time, a large amount of cutting scraps and unnecessary materials after use are generated and are currently discarded as industrial waste. It can be effectively used as a resource when used in combination with the acidity-correcting agent of the present invention.
Porous lightweight calcium silicate has a large surface area because its surface is porous, and is a material in which it is difficult to form a calcium sulfate film on the particle surface.
【００２４】[0024]
実施例１ 粒状品（０．５〜６．０ｍｍ径）のマグネシアクリンカ
ー、貝殻および比較例としての生石灰のそれぞれの資材
について土壌酸度矯正試験を行った。Example 1 A soil acidity correction test was performed on each of the granular materials (0.5 to 6.0 mm diameter) of magnesia clinker, shells, and quick lime as a comparative example.
【００２５】各資材の分析成分は表１に示すとおりであ
った。The analytical components of each material are shown in Table 1.
【００２６】[0026]
【表１】 [Table 1]
【００２７】なお、表１において、Ｓ−ＭｇＯ、Ｓ−Ｃ
ａＯおよびＳ−ＳｉＯ2 の「Ｓ」はこれらが可溶性（ｓ
ｏｌｕｂｌｅ）であることを示している。In Table 1, S-MgO, S-C
aO and “S” of S—SiO 2 are soluble (s
It is shown that it is an OUBLE).
【００２８】分析法は肥料分析法（農林水産省農業環境
技術研究所法）により、各成分の割合は重量％である。The analysis method is the fertilizer analysis method (Agricultural Environment Technology Research Institute, Ministry of Agriculture, Forestry and Fisheries), and the ratio of each component is wt%.
【００２９】アルカリ分については、 アルカリ分＝ＣａＯ＋ＭｇＯ×１．３９１４ なる式に従って求めた。The alkali content was calculated according to the formula: alkali content = CaO + MgO × 1.3914.
【００３０】ｐＨ（１０％液）とは、次のようにして求
めた値である。すなわち、試料１０ｇを２５０ｍｌのメ
スフラスコにとり、水１００ｍｌを加え、１分間３０回
転の振り混ぜ機で３０分間振り混ぜた後、懸濁液の一部
を小型ビーカーにとり、あらかじめｐＨ標準液を用いて
調整したガラスｐＨ計で、そのｐＨを測定した。The pH (10% solution) is a value obtained as follows. That is, 10 g of a sample is placed in a 250-ml volumetric flask, 100 ml of water is added, and the mixture is shaken for 30 minutes with a shaker at 30 rpm for 1 minute. Then, a part of the suspension is placed in a small beaker and pH standard solution is used in advance. The pH was measured with the adjusted glass pH meter.
【００３１】次に、土壌１ｋｇに対し上記各資材をアル
カリ分換算で各５ｇそれぞれ添加、混合したものをポッ
トに入れて、（１／２５）Ｎの硫酸水を、１日当たり５
０ｍｍ／ｃｍ2 の割合で散水した後、土壌のｐＨ及び残
存アルカリ量を測定した。Next, 5 g of each of the above materials was added to 1 kg of soil in terms of alkali content and mixed, and the mixture was put in a pot, and (1/25) N sulfuric acid water was added 5 times per day.
After watering at a rate of 0 mm / cm 2 , the pH of the soil and the amount of residual alkali were measured.
【００３２】その結果を図１、図２にそれぞれグラフで
示す。図１、図２において、○印はマグネシアクリンカ
ー添加のもの、×印は貝殻添加のもの、△印は生石灰添
加のものをそれぞれ示す。The results are shown in graphs in FIGS. 1 and 2, respectively. In FIG. 1 and FIG. 2, the circles indicate addition of magnesia clinker, the crosses indicate addition of shells, and the triangles indicate addition of quicklime.
【００３３】本発明の粒状マグネシアクリンカーまたは
貝殻を添加した土壌はいずれも５０日経過後もｐＨが変
わらなかったのに対して、生石灰を添加した土壌は３０
日後位よりアルカリ分は残存しているのにｐＨが低下し
た。The soils to which the granular magnesia clinker or shell of the present invention was added did not change in pH after 50 days, whereas the soil to which quicklime was added was 30.
Although the alkali content remained after about 10 days, the pH decreased.
【００３４】このように、本発明に係る粒状マグネシア
クリンカー、貝殻を使用すれば、長期間にわたって持続
的な酸度矯正効果が得られることがわかる。As described above, it can be seen that the use of the granular magnesia clinker and the shell according to the present invention makes it possible to obtain a long-lasting acidity correction effect.
【００３５】実施例２ ローム土に硫黄（２０ｇ／ｌ）を入れてよく混ぜ、その
後、ワグネルポットに１３ｃｍ詰め、その上に、各酸度
矯正剤（マグネシアクリンカー、生石灰）をそれぞれ０
ｇ／ｍ2 、１００ｇ／ｍ2 、５００ｇ／ｍ2 、１，００
０ｇ／ｍ2 、層状に敷き、更にその上にローム土をそれ
ぞれ５ｃｍ詰めたものを基盤土壌とした。Example 2 Sulfur (20 g / l) was added to loamy soil and mixed well, and then 13 cm was packed in a Wagner pot, and 0% of each acidity correcting agent (magnesia clinker, quick lime) was placed thereon.
g / m 2 , 100 g / m 2 , 500 g / m 2 , 1.00
0 g / m 2 was laid in layers, and 5 cm of loam soil was further laid on each layer to form a base soil.
【００３６】次にケンタッキー３１フェスク（芝）を播
種して各基盤土壌についての生育状況を調査した。６０
日後には硫黄を同量再施用して、４ヶ月後の生育量（地
下部重量）および跡地の土壌ｐＨを各基盤土壌について
測定した。Next, Kentucky 31 fescue (turf) was sown to examine the growth condition of each base soil. 60
After the day, the same amount of sulfur was re-applied, and the growth amount (underground weight) and soil pH of the site after 4 months were measured for each base soil.
【００３７】その結果を図３、図４のグラフにそれぞれ
示す。本発明の粒状マグネシアクリンカーを施用した基
盤土壌については、生石灰を施用した基盤土壌の場合と
比較して、生育が良好なことはもとより、過度にアルカ
リ資材を施用しても土壌のｐＨを好適土壌ｐＨ（５〜
７）に保つことができることが認められた。The results are shown in the graphs of FIGS. 3 and 4, respectively. Regarding the base soil to which the granular magnesia clinker of the present invention has been applied, as compared with the case of the base soil to which quick lime has been applied, not only the growth is good, but also the pH of the soil is suitable even if the alkaline material is excessively applied. pH (5
It was found that it can be maintained in 7).
【００３８】[0038]
【発明の効果】本発明の土壌の酸度矯正法および酸度矯
正剤によれば、持続して酸性土壌のｐＨを好適に保つこ
とができる。そして、本発明は、傾斜地土壌において持
続性のある酸度矯正法および酸度矯正剤として特に有効
に用いられる。According to the soil acidity correction method and the acidity correction agent of the present invention, the pH of acidic soil can be continuously maintained at a suitable level. The present invention is particularly effectively used as a persistent acidity correction method and acidity correction agent in slope soil.
【００３９】また、本発明の酸度矯正剤の原料として
は、通常は産業廃棄物として投棄されているものを利用
することができるから、非常に経済的であるのみなら
ず、資源の有効活用ができ、産業廃棄物の量も減らすこ
とができる。Further, as the raw material of the acidity-correcting agent of the present invention, it is possible to use what is normally discarded as industrial waste, which is not only very economical, but also effective utilization of resources. The amount of industrial waste can be reduced.
【図１】本発明の第１の実施例の土壌についての経過日
数とｐＨとの関係を示すグラフである。FIG. 1 is a graph showing the relationship between the number of days elapsed and pH for the soil of the first example of the present invention.
【図２】本発明の第１の実施例の土壌についての経過日
数と残存アルカリ量との関係を示すグラフである。FIG. 2 is a graph showing the relationship between the elapsed days and the amount of residual alkali for the soil of the first example of the present invention.
【図３】本発明の第２の実施例の酸度矯正剤の施用量と
芝の地下部重量との関係を示すグラフである。FIG. 3 is a graph showing the relationship between the application amount of the acidity corrector of the second embodiment of the present invention and the weight of the underground part of the grass.
【図４】本発明の第２の実施例の酸度矯正剤の施用量と
基盤土壌のｐＨとの関係を示すグラフである。FIG. 4 is a graph showing the relationship between the application amount of the acidity corrector of the second embodiment of the present invention and the pH of base soil.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 玉田 昇 千葉県市原市五井海岸10番地 日本合同肥 料株式会社千葉工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Noboru Tamada 10 Goi Kaigan, Ichihara City, Chiba Japan Joint Fertilizer Co., Ltd. Chiba Factory
Claims (8)
土化合物を使用することを特徴とする土壌の酸度矯正
法。1. A method for correcting acidity of soil, which comprises using an alkaline granular magnesia compound as an acidity corrector for soil.
ウムを使用することを特徴とする土壌の酸度矯正法。2. A method for correcting soil acidity, which comprises using porous calcium carbonate as a soil acidity corrector.
は２記載の土壌の酸度矯正法。3. The method for correcting acidity of soil according to claim 1, wherein the soil is slope soil.
ｍの範囲内であることを特徴とする請求項１乃至３のい
ずれかに記載の土壌の酸度矯正法。4. The particle size of the acidity corrector is 0.5 to 6.0 m.
The method for correcting acidity of soil according to any one of claims 1 to 3, wherein m is in the range of m.
の酸度矯正剤。5. A soil acidity corrector containing an alkaline granular magnesia compound.
度矯正剤。6. A soil acidity corrector containing porous calcium carbonate.
は６記載の土壌の酸度矯正剤。7. The acidity correcting agent for soil according to claim 5 or 6, wherein the soil is sloping soil.
ｍの範囲内であることを特徴とする請求項５乃至７のい
ずれかに記載の土壌の酸度矯正剤。8. The particle size of the acidity corrector is 0.5 to 6.0 m.
The soil acidity correction agent according to any one of claims 5 to 7, which is in the range of m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19288194A JPH0834687A (en) | 1994-07-25 | 1994-07-25 | Method for reforming soil acidity and soil acidity reforming agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19288194A JPH0834687A (en) | 1994-07-25 | 1994-07-25 | Method for reforming soil acidity and soil acidity reforming agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0834687A true JPH0834687A (en) | 1996-02-06 |
Family
ID=16298536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19288194A Withdrawn JPH0834687A (en) | 1994-07-25 | 1994-07-25 | Method for reforming soil acidity and soil acidity reforming agent |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0834687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008266390A (en) * | 2007-04-17 | 2008-11-06 | Miyoshi Oil & Fat Co Ltd | Soil conditioner |
| CN108218582A (en) * | 2018-03-06 | 2018-06-29 | 段艳玲 | A kind of nutrition slow-release type acid soil improving agent and preparation method thereof |
-
1994
- 1994-07-25 JP JP19288194A patent/JPH0834687A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008266390A (en) * | 2007-04-17 | 2008-11-06 | Miyoshi Oil & Fat Co Ltd | Soil conditioner |
| CN108218582A (en) * | 2018-03-06 | 2018-06-29 | 段艳玲 | A kind of nutrition slow-release type acid soil improving agent and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20011002 |