JP2006232872A - Salt-damaged soil-improving agent and its manufacturing method - Google Patents
Salt-damaged soil-improving agent and its manufacturing method Download PDFInfo
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Abstract
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この発明は、保存期間を延ばし、使用し易い形態にした塩害土壌改良剤およびその製造方法に関するものである。 The present invention relates to a salt-damaged soil conditioner and a method for producing the same, in which the storage period is extended to make it easy to use.
従来、微細藻類は、食品素材として幅広く利用されているが、食品以外の利用としては、塩害が発生している各種の土壌の永続的で効率のよい塩分除去、窒素源の供給を行うことができる塩害土壌の改良がある。この塩害土壌の改良には、微細藻類として塩分吸収能力の高いもの、および空中窒素固定能力の高いものを選択し、これらを単体または数種混合して大量培養したものを回収し、ペースト状にするか、あるいは乾燥してパウダー状にしたものを用いたものが存在する（特許文献１）。 Conventionally, microalgae have been widely used as food materials, but for non-food use, various soils where salt damage has occurred can be removed permanently and efficiently, and a nitrogen source can be supplied. There is an improvement of the salt damage soil that can be done. To improve this salt-damaged soil, select microalgae that have a high salt-absorbing ability and one that has a high air-nitrogen-fixing ability. Or, there is one using a powder that is dried and powdered (Patent Document 1).
一方、米ぬかは、玄米を精白するときに生ずる果皮、種皮、外胚乳などの混合物であるが、従来、多くの家畜用の飼料などに利用したり、米ぬかを圧搾または抽出して油を取り出し、米ぬか油として、食用油、マーガリンなどに利用されている。例えば、抗生物質、抗菌剤などの主薬と、賦形剤として脱脂米ぬかを含有した粒状の家畜用飼料添加物およびそれを用いた家畜用飼料が存在する（特許文献２）。また、乳脂肪の含有率を向上させるために酒米ぬかを結合材として利用した乳牛に良好な飼料が存在する（特許文献３）。さらに、各飼育所で適宜調製することのできる食性の良い飼料を得るために脱脂米ぬかを用いた広食性蚕の人工飼料が存在する（特許文献４）。
しかしながら、従来の塩害土壌の改良に用いられる微細藻類において、ペースト状にしたものは、水分含量が８０重量％以上と高いため長期間の保存は不可能で、冷蔵保存しても１ヶ月程度しか保存できないという問題点を有する。さらに、このペースト状の微細藻類は、長期間の保存は不可能なため、輸送する際には、冷蔵輸送しなければならず、輸送コストが高くなってしまうという問題点を有する。 However, in the microalgae used to improve conventional salt-damaged soils, pastes that have a high water content of 80% by weight or more cannot be stored for a long period of time. It has a problem that it cannot be saved. Furthermore, since the pasty microalgae cannot be stored for a long period of time, they must be refrigerated when transported, resulting in an increase in transport costs.
また、従来の塩害土壌の改良に用いられる微細藻類において、パウダー状にしたものは、水分含量が数％と低いため長期間の保存には適しており、輸送する際にも、冷蔵輸送の必要がないため、輸送コストも易い。しかし、パウダー状の微細藻類は、直接土壌に散布すると、強風で吹き飛ばされてしまったり、土壌に散布後、土壌に定着する前に大雨が降れば流されてしまうという問題点を有する。さらに、パウダー状の微細藻類は、飛散するため機械散布がしにくいという問題点を有する。 In addition, the microalgae used to improve conventional salt-damaged soils are suitable for long-term storage because their moisture content is as low as a few percent. Since there is no, transportation cost is also easy. However, when powdered microalgae are sprayed directly on the soil, they are blown away by strong winds, or after spraying on the soil, they are washed away if heavy rain falls before they settle on the soil. Furthermore, since powdery microalgae are scattered, there is a problem that mechanical spraying is difficult.
一方、従来の米ぬかは、上記したように脱脂米ぬかとして一部が飼料として利用されているが、そのほとんどが現在では、焼却もしくは土壌に埋めて廃棄されている。 On the other hand, conventional rice bran is partly used as feed as defatted rice bran as described above, but most of it is currently incinerated or buried in soil and discarded.
そこで、この発明は、上記従来の問題点を解消することを目的としており、微細藻類と、そのほとんどが焼却もしくは土壌に埋めて廃棄されている脱脂米ぬかとを用い、長期間の保存が可能で、輸送する際にも、冷蔵輸送の必要がないため、輸送コストも易く、直接土壌に散布しても、強風で吹き飛ばされてしまうことなく、さらに土壌に散布後、大雨が降っても流されにくく、土壌に定着し易いものとなる塩害土壌改良剤およびその製造方法を提供することを目的としてなされたものである。 Therefore, the present invention aims to solve the above-mentioned conventional problems, and can be stored for a long period of time using microalgae and defatted rice bran which is mostly incinerated or buried in soil and discarded. When transporting, since refrigerated transport is not necessary, transportation costs are easy, and even if it is sprayed directly on the soil, it will not be blown away by strong winds. The purpose of the present invention is to provide a salt damage improving agent that is difficult to be fixed in soil and a method for producing the same.
そのため、この発明の塩害土壌改良剤は、脱脂米ぬかと微細藻類を配合してペレットにしたものとしている。 Therefore, the salt-damaged soil improving agent of the present invention is formed by blending defatted rice bran and microalgae into pellets.
さらに、この発明の塩害土壌改良剤は、脱脂米ぬかと微細藻類と石灰を配合してペレットにしたものとしている。 Furthermore, the salt-damaged soil improving agent of the present invention is formed by blending defatted rice bran, microalgae and lime into pellets.
そして、この発明の塩害土壌改良剤は、ペレットの水分含有量が１０重量％以下であるものとしている。 And the salt damage soil improvement agent of this invention shall be the water content of a pellet being 10 weight% or less.
また、この発明の塩害土壌改良剤の製造方法は、脱脂米ぬかと微細藻類を配合し、４０℃以下で乾燥させて、ペレット化したものにしている。 Moreover, the manufacturing method of the salt damage soil improvement agent of this invention mix | blends defatted rice bran and micro algae, and makes it dry and pelletized at 40 degrees C or less.
さらに、この発明の塩害土壌改良剤の製造方法は、脱脂米ぬかと微細藻類と石灰を配合し、４０℃以下で乾燥させて、ペレット化したものにしている。 Furthermore, the manufacturing method of the salt damage soil improving agent of this invention mix | blends defatted rice bran, a micro algae, and lime, and makes it dry and pelletized at 40 degrees C or less.
この発明の塩害土壌改良剤の製造方法は、簡単であるので大量生産に向いており、安価に製造することができ、またこの発明の製造方法で得られた塩害土壌改良剤は、微細藻類の色が変色せず、商品価値を劣化させることがない。さらに、この塩害土壌改良剤は、長期間の保存が可能で、輸送する際にも、冷蔵輸送の必要がないため、輸送コストも易く、直接土壌に散布しても、強風で吹き飛ばされてしまうことなく、さらに土壌に散布後、大雨が降っても流されにくく、土壌に定着し易いものとなる。 The method for producing the salt-damaged soil conditioner of the present invention is simple and suitable for mass production, and can be produced at low cost. The salt-damaged soil conditioner obtained by the method of the present invention is a microalgae. The color does not change and the commercial value is not deteriorated. Furthermore, this salt damage soil conditioner can be stored for a long period of time, and since it does not require refrigerated transport when transported, transportation costs are easy, and even if sprayed directly on the soil, it will be blown away by strong winds. In addition, after spraying on the soil, even if heavy rain falls, it is difficult to be washed away, and it becomes easy to settle on the soil.
以下、この発明の塩害土壌改良剤およびその製造方法について、詳細に説明する。 Hereinafter, the salt damage soil improving agent of the present invention and the production method thereof will be described in detail.
この発明の塩害土壌改良剤は、脱脂米ぬかと微細藻類を配合したペレットとしている。すなわち、この発明の塩害土壌改良剤は、脱脂米ぬか約１重量部に対して微細藻類約０．０３〜０．７重量部の割合で配合したペレットとしている。 The salt-damaged soil improving agent of the present invention is a pellet containing defatted rice bran and microalgae. That is, the salt-damaged soil conditioner of the present invention is a pellet blended at a ratio of about 0.03 to 0.7 parts by weight of microalgae to about 1 part by weight of defatted rice bran.
この発明の塩害土壌改良剤を製造するには、先ず、脱脂米ぬか約１重量部に対して、精製水約０．５重量部を加え、脱脂米ぬかをペースト状にする。次に、このペースト状にした脱脂米ぬか約１重量部に対して、微細藻類を約０．０５〜１重量部の割合で添加し、攪拌釜等で攪拌し均一なものとする。この場合、添加する微細藻類は、約０．０５〜１重量部の割合であれば二種類以上であってもよい。さらに、微細藻類の他に、必要に応じ、前記脱脂米ぬか約１重量部に対して、石灰を約０．０５〜１重量部の割合で添加してもよい。 In order to produce the salt-damaged soil improving agent of the present invention, first, about 0.5 parts by weight of purified water is added to about 1 part by weight of defatted rice bran to make the defatted rice bran into a paste. Next, about 1 to 1 part by weight of this pasty defatted rice bran, fine algae are added at a ratio of about 0.05 to 1 part by weight, and the mixture is stirred and homogenized. In this case, two or more kinds of microalgae may be added as long as the ratio is about 0.05 to 1 part by weight. Furthermore, you may add a lime in the ratio of about 0.05-1 weight part with respect to the said defatted rice bran about 1 weight part other than a micro algae as needed.
前記脱脂米ぬか、微細藻類、石灰を均一に攪拌したものを、水分含有量が約３０％になるまで、約４０℃以下の温度で機器乾燥または自然乾燥させる。乾燥温度を約４０℃以下にするのは、乾燥温度が約４０℃を越えると、微細藻類に含まれているクロロフィル等の葉緑素が分解し、微細藻類の色が変色してしまうからである。 The defatted rice bran, fine algae, and lime that are uniformly stirred are either equipment dried or naturally dried at a temperature of about 40 ° C. or lower until the water content is about 30%. The reason why the drying temperature is about 40 ° C. or lower is that when the drying temperature exceeds about 40 ° C., chlorophylls such as chlorophyll contained in the microalgae are decomposed and the color of the microalgae is changed.
前記乾燥させた脱脂米ぬか、微細藻類、石灰の均一に攪拌したものを、ペレットマシーンで直径約２〜３ｍｍ、長さ約３〜７ｍｍの略円柱形状のペレットに成形する。 The dried defatted rice bran, fine algae, and lime that are uniformly stirred are formed into a substantially cylindrical pellet having a diameter of about 2 to 3 mm and a length of about 3 to 7 mm by a pellet machine.
そして、成形したペレットは、水分含有量が約１０％になるまで、約４０℃以下の温度で機器乾燥または自然乾燥させる。 The molded pellets are then equipment dried or naturally dried at a temperature of about 40 ° C. or lower until the moisture content is about 10%.
以上のようにして得られたこの発明の塩害土壌改良剤は、塩害土壌に散布すると、改良剤中の微細藻類が土壌中の塩分を長期間にわたり吸収することになり、完全な塩分除去が行われると共に、微細藻類が土壌中に窒素源を長期間にわたり供給し続けることになり、土壌の扶養化が行われることになる。 When the salt-damaged soil conditioner of the present invention obtained as described above is sprayed on salt-damaged soil, the microalgae in the improver will absorb the salt content in the soil over a long period of time, and complete salt removal will be performed. At the same time, microalgae will continue to supply a nitrogen source in the soil for a long period of time, and soil will be recharged.
この発明において用いられる微細藻類としては、塩分吸収能力の高い藻類、空中窒素固定能力の高い藻類であればよく、特に限定されないが、例えば藍藻類や緑藻類では次のも
のを挙げることができる。
The microalgae used in the present invention is not particularly limited as long as it is an alga having a high salinity-absorbing ability and an algae having a high air-nitrogen-fixing ability.
藍藻類では、アナベナ・トルロサ(Anabaena torulosa) 、アファノセケ・ハロフィチカ(Aphanothece halophytica) 、オッシラトリア・リムネチカ(Oscillatoria limnetica)、スピルリナ・スブサルサ(Spirulina subsalsa)、ミクロコレス・クソノプラステス(Microcoleus chthonoplastes)、ベスチェロプシス・プロリフィカ(Westiellopsis prolifica) 、トリポスリックス・セイロニカ(Tolypothrix ceylonica) 、フォルミジウム・ルリドム(Phormidium luridum)、ノストック・コムネ(Nostoc commune)、アナベナ・スファエリカ(Anabaena sphaerica)、カロスリックス・クルスタセア(Calothrix crustacea) 、スピルリナ・マジョール(Spirulina major) 、オッシラトリア・リモサ(Oscillatoria limosa) 、リングビア・コンフェルボイデス(Lyngbya confervoides)、シンプロカ・ラエテ−ビリディス(Symploca laete-viridis)、ヒドロコレウム・メネグヒニアヌム(Hydrocoleum meneghinianum) 、プレクトネマ・ハンスギルギ(Plectonema hansgirgi)、トリポスリックス・フラギリス(Tolypothrix fragilis)、スキトネマ・ジャバリキュム(Scytonema javanicum) 、ディコスリックス・バウエリアナ(Dichothrix baueriana)、リブラリア・ブラタ(Rivularia bullata) 、ハパロシホン・フォンチナリス(Hapaloshiphon fontinalis)、ベスチェロプシス・プロリフィカ(Westiellopsis prolifica)などである。緑藻類では、スコチェロプシス・テレストリス(Scotiellopsis terrestris)、クロロコッカム・エキノチゴツム(Chlorococcum echinozygotum)、ミルメキア・ビアトレラエ(Myrmecia biatorellae)、ディクチオクロロプシス・レチキュラテ(Dictyochloropsis reticulate) 、クロレラ・ブルガリス(Chlorella vulgaris)、アパトコッカス・ロバツス(Apatococcus lobatus) 、ディラビフィルム・アルソピレニアエ(Dilabifilum arthopyreniae) などである。 Among the cyanobacteria, Anabaena torulosa, Aphanothece halophytica, Oscillatoria limnetica, Spirulina subsalsa, Spirulina subsalsa, Microcores xo Westiellopsis prolifica, Tolypothrix ceylonica, Phormidium luridum, Nostoc commune, Anabaena sphaerica, rust calo ace Spirulina major, Oscillatoria limosa, Lyngbya confervoides, Symploca laete-viridis, Hydrocollum meneghini Numum (Hydrocoleum meneghinianum), Plectonema hansgirgi, Tolypothrix fragilis, Scytonema javanicum, Dicothrix baularia (Dichothrix baularia) , Hapaloshiphon fontinalis, Westiellopsis prolifica, and the like. Among the green algae, Scotiellopsis terrestris, Chlorococcum echinozygotum, Myrmecia biatorellae, Dictyochloropsis reticulate v, Chloococcum echinozygotum, Dictyochloropsis reticulate These include Apatococcus lobatus and Dilabifilum arthopyreniae.
また、この発明の塩害土壌改良剤において、脱脂米ぬかは土壌の割り肥としての役目をするほか、リン酸分、カリ分を補給する役目も果たす。さらに、石灰は、カルシウム分を補給する役目を果たす。 Further, in the salt damage soil improving agent of the present invention, the defatted rice bran serves not only as a soil fertilizer but also as a supplement for phosphate and potassium. Furthermore, lime serves to replenish calcium.
次に、上記の製造方法で得られたこの発明の塩害土壌改良剤の保存試験を以下のようにして行った。 Next, the preservation test of the salt damage soil conditioner of the present invention obtained by the above production method was performed as follows.
この発明の塩害土壌改良剤のペレット状物（水分含有量が約１０％、本発明の実施品）、微細藻類単体のペースト状物（水分含有量が約８０％、比較品１）および微細藻類単体のパウダー状物（水分含有量が約１％、比較品２）のそれぞれ１０ｇを、アルミパックに入れ密封状態し、３０または４０℃の保存温度で一定期間保存し、月単位でそれらの少量をアルミパックから取り出し、培養試験を行った。アルミパックから取り出した少量物中の微細藻類を寒天培地に植え継ぎ、照度３，０００ルックス、温度２５℃のインキュベータで培養し、植え継いだ微細藻類が増殖すれば保存可能であると判断した。その結果を表１に示す。 Pellets of salt damage improving agent of the present invention (water content is about 10%, product of the present invention), paste of microalgae alone (water content is about 80%, comparative product 1) and microalgae 10 g of each powdery substance (water content is about 1%, comparative product 2) is sealed in an aluminum pack and stored at a storage temperature of 30 or 40 ° C. for a certain period. Was taken out of the aluminum pack and subjected to a culture test. The microalgae in a small amount taken out from the aluminum pack were planted on an agar medium and cultured in an incubator with an illuminance of 3,000 lux and a temperature of 25 ° C., and it was judged that the microalgae that were planted could be preserved if they grew. The results are shown in Table 1.
以下、この発明の塩害土壌改良剤およびその製造方法を実施例に基づいて、詳細に説明する。 Hereinafter, the salt damage improving agent of this invention and its manufacturing method are demonstrated in detail based on an Example.
〔実施例１〕
マーガリンの油として抽出した脱脂米ぬか５０ｋｇを２００リットル容のステンレス製の攪拌釜に入れる。次に、２５ｋｇの精製水を加え、１分間に３５回転で攪拌棒を攪拌させ、脱脂米ぬかペーストとした。この脱脂米ぬかペーストに、微細藻類フォルミジウム・ルリドム(Phormidium luridum)ペースト（水分量約８０％）７５ｋｇを添加して、均一に攪拌した。この均一に攪拌したものを乾燥バットに入れ、温度３５℃で棚乾燥して、水分含量が約３０重量％になるようにした。乾燥後、ペレットマシーンで直径３ｍｍ、長さ７ｍｍの略円柱形状のペレットに成形した。成形したペレットは、自然乾燥して、水分含量が約１０重量％以下になるようにした。
[Example 1]
50 kg of defatted rice bran extracted as margarine oil is placed in a 200-liter stainless steel stirring kettle. Next, 25 kg of purified water was added, and the stirring bar was stirred at 35 rotations per minute to obtain a defatted rice bran paste. To this defatted rice bran paste, 75 kg of the microalgae Phormidium luridum paste (water content of about 80%) was added and stirred uniformly. This uniformly stirred product was placed in a drying vat and shelf-dried at a temperature of 35 ° C. so that the water content was about 30% by weight. After drying, it was formed into a substantially cylindrical pellet having a diameter of 3 mm and a length of 7 mm by a pellet machine. The molded pellets were naturally dried so that the water content was about 10% by weight or less.
〔実施例２〕
食用油として抽出した脱脂米ぬか１００ｋｇを２５０リットル容のステンレス製の攪拌釜に入れる。次に、５０ｋｇの精製水を加え、１分間に５５回転で攪拌棒を攪拌させ、脱脂米ぬかペーストとした。この脱脂米ぬかペーストに、微細藻類アナベナ・スファエリカ(Anabaena sphaerica)パウダー（水分量約１．５％）７．５ｋｇを添加して、均一に攪拌した。この均一に攪拌したものを乾燥バットに入れ、温度４０℃で棚乾燥して、水分含量が約３０重量％になるようにした。乾燥後、ペレットマシーンで直径２ｍｍ、長さ５ｍｍの略円柱形状のペレットに成形した。成形したペレットは、温度４０℃で棚乾燥して、水分含量が約１０重量％以下になるようにした。
[Example 2]
100 kg of defatted rice bran extracted as edible oil is put into a 250-liter stainless steel stirring kettle. Next, 50 kg of purified water was added and the stir bar was stirred at 55 revolutions per minute to obtain a defatted rice bran paste. To this defatted rice bran paste, 7.5 kg of microalgae Anabaena sphaerica powder (water content of about 1.5%) was added and stirred uniformly. This uniformly stirred product was placed in a drying vat and shelf-dried at a temperature of 40 ° C. so that the water content was about 30% by weight. After drying, it was formed into a substantially cylindrical pellet having a diameter of 2 mm and a length of 5 mm by a pellet machine. The formed pellets were shelf-dried at a temperature of 40 ° C. so that the water content was about 10% by weight or less.
〔実施例３〕
健康食用油として抽出した脱脂米ぬか５０ｋｇを１５０リットル容のステンレス製の攪拌釜に入れる。次に、２５ｋｇの精製水を加え、１分間に６５回転で攪拌棒を攪拌させ、脱脂米ぬかペーストとした。この脱脂米ぬかペーストに、微細藻類トリポスリックス・セイロニカ(Tolypothrix ceylonica) パウダー（水分量約２％）１．７５ｋｇとカロスリックス・クルスタセア(Calothrix crustacea) パウダー（水分量約１％）２ｋｇを添加して、均一に攪拌した。この均一に攪拌したものを乾燥バットに入れ、温度４０℃で棚乾燥して、水分含量が約３０重量％になるようにした。乾燥後、ペレットマシーンで直径３ｍｍ、長さ５ｍｍの略円柱形状のペレットに成形した。成形したペレットは、温度３５℃で棚乾燥して、水分含量が約１０重量％以下になるようにした。
Example 3
50 kg of defatted rice bran extracted as a healthy edible oil is placed in a 150 liter stainless steel stirring kettle. Next, 25 kg of purified water was added and the stirring rod was stirred at 65 rotations per minute to obtain a defatted rice bran paste. To this defatted rice bran paste, add 1.75 kg of microalga Tolypothrix ceylonica powder (water content about 2%) and 2 kg of Calothrix crustacea powder (water content about 1%) And stirred uniformly. This uniformly stirred product was placed in a drying vat and shelf-dried at a temperature of 40 ° C. so that the water content was about 30% by weight. After drying, it was formed into a substantially cylindrical pellet having a diameter of 3 mm and a length of 5 mm by a pellet machine. The molded pellets were shelf-dried at a temperature of 35 ° C. so that the water content was about 10% by weight or less.
〔実施例４〕
マーガリンの油として抽出した脱脂米ぬか１０ｋｇを５０リットル容のステンレス製の攪拌釜に入れる。次に、５ｋｇの精製水を加え、１分間に５０回転で攪拌棒を攪拌させ、脱脂米ぬかペーストとした。この脱脂米ぬかペーストに、微細藻類スピルリナ・マジョール(Spirulina major) ペースト（水分量約８０％）５ｋｇとオッシラトリア・リモサ(Oscillatoria limosa) パウダー（水分量約１．３％）３ｋｇと石灰２ｋｇを添加して、均一に攪拌した。この均一に攪拌したものを乾燥バットに入れ、温度４０℃で棚乾燥して、水分含量が約３０重量％になるようにした。乾燥後、ペレットマシーンで直径３ｍｍ、長さ３ｍｍの略円柱形状のペレットに成形した。成形したペレットは、自然乾燥して、水分含量が約１０重量％以下になるようにした。
Example 4
Put 10 kg of defatted rice bran extracted as margarine oil into a 50 liter stainless steel stirring kettle. Next, 5 kg of purified water was added, and the stirring bar was stirred at 50 revolutions per minute to obtain a defatted rice bran paste. To this defatted rice bran paste, add 5 kg of microalgae Spirulina major paste (water content of about 80%), 3 kg of Oscillatoria limosa powder (water content of about 1.3%) and 2 kg of lime. And stirred uniformly. This uniformly stirred product was placed in a drying vat and shelf-dried at a temperature of 40 ° C. so that the water content was about 30% by weight. After drying, it was formed into a substantially cylindrical pellet having a diameter of 3 mm and a length of 3 mm by a pellet machine. The molded pellets were naturally dried so that the water content was about 10% by weight or less.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978392B1 (en) | 2010-02-18 | 2010-08-30 | 김동수 | Making method of salts-removed paddy |
| JP2013185143A (en) * | 2012-03-12 | 2013-09-19 | Nikken Sohonsha Corp | Soil conditioner |
| DE102012006283A1 (en) * | 2012-03-29 | 2013-10-02 | Pt Arquus Nusantara | Solid ingredients and solid laden ingredients of seaweed |
| JP2017002107A (en) * | 2015-06-04 | 2017-01-05 | 株式会社日健総本社 | Soil conditioner |
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|---|---|---|---|---|
| JPH0680490A (en) * | 1991-05-23 | 1994-03-22 | Ebara Res Co Ltd | Method for soil modification using soil algae |
| JPH06287096A (en) * | 1992-07-20 | 1994-10-11 | Shutto Yujiro | Organic fertilizer composed of rice bran pellet containing effective microorganism |
| JPH08140470A (en) * | 1994-11-21 | 1996-06-04 | Shiyutsutou Beikoku:Kk | Culture soil mixed with effective microorganism |
| JP2002030285A (en) * | 2000-07-17 | 2002-01-31 | Nikken Sohonsha Corp | Method for recovering soil suffered by salt damage |
| JP2004075857A (en) * | 2002-08-19 | 2004-03-11 | Masaru Yamamoto | Soil-activating material and method for producing the same |
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- 2005-02-22 JP JP2005045256A patent/JP4645890B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680490A (en) * | 1991-05-23 | 1994-03-22 | Ebara Res Co Ltd | Method for soil modification using soil algae |
| JPH06287096A (en) * | 1992-07-20 | 1994-10-11 | Shutto Yujiro | Organic fertilizer composed of rice bran pellet containing effective microorganism |
| JPH08140470A (en) * | 1994-11-21 | 1996-06-04 | Shiyutsutou Beikoku:Kk | Culture soil mixed with effective microorganism |
| JP2002030285A (en) * | 2000-07-17 | 2002-01-31 | Nikken Sohonsha Corp | Method for recovering soil suffered by salt damage |
| JP2004075857A (en) * | 2002-08-19 | 2004-03-11 | Masaru Yamamoto | Soil-activating material and method for producing the same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100978392B1 (en) | 2010-02-18 | 2010-08-30 | 김동수 | Making method of salts-removed paddy |
| JP2013185143A (en) * | 2012-03-12 | 2013-09-19 | Nikken Sohonsha Corp | Soil conditioner |
| DE102012006283A1 (en) * | 2012-03-29 | 2013-10-02 | Pt Arquus Nusantara | Solid ingredients and solid laden ingredients of seaweed |
| JP2017002107A (en) * | 2015-06-04 | 2017-01-05 | 株式会社日健総本社 | Soil conditioner |
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