CN113061439A - Soil conditioner and application thereof - Google Patents
Soil conditioner and application thereof Download PDFInfo
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- CN113061439A CN113061439A CN202010001314.9A CN202010001314A CN113061439A CN 113061439 A CN113061439 A CN 113061439A CN 202010001314 A CN202010001314 A CN 202010001314A CN 113061439 A CN113061439 A CN 113061439A
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- soil
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- soil conditioner
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a soil conditioner and application thereof, belonging to the technical field of soil improvement, wherein the soil conditioner comprises the following components: pyroligneous liquor, meadow soil and chicken manure soil. The invention mixes the two solid components (meadow soil and chicken manure soil) and the liquid acid regulator (pyroligneous liquor) to form the acid nutritional soil conditioner, and after the soil conditioner is mixed with alkaline soil, the acid alkalinity and the nutrition of the alkaline soil can be simultaneously regulated, and the soil fertility can be enhanced while the pH value of the soil is effectively reduced. Various agronomic indexes of the soil improved by the soil conditioner can meet the growth requirements of dry field crops such as corn and the like. The soil conditioner of the invention has good improvement effect especially on the soil polluted by alkaline solid wastes. The soil conditioner of the invention meets the requirements of ecological environment protection, and does not produce any side effect on soil.
Description
Technical Field
The invention relates to the technical field of soil improvement, in particular to a soil conditioner and application thereof.
Background
The alkaline soil is soil with the soil pH value (pH value) being more than 7. Alkaline soils present the following hazards: causing physiological drought in plants, damaging plant tissues, affecting normal nutrient absorption in plants and affecting stomatal closure in plants.
The existing preparation for improving alkaline soil mainly plays a role in enhancing soil fertility, but the effect of reducing the pH value of soil is not ideal. The existing soil conditioner has certain requirements on the pH range of alkaline soil to be improved, and is generally limited to 8.0-9.5, for example, the original pH value of the soil to be improved in the 'influence of different conditioners on the growth of saline-alkali soil and grassland bluegrass' published by Lujian men and the like is 8.32, the pH value of the basic soil in the 'selection and application of saline-alkali soil conditioner in Xinjiang' published by Wang bin and the like is 8.40, and the pH value of the soil in the 'screening research of saline-alkali soil conditioner in saline-alkali soil' published by Gao Wei and the like is 7.90. However, the pH value of the soil polluted by the alkaline solid waste is usually more than 10, and various agronomic indexes are poor. Due to the limitation of pH value, the existing soil conditioner is difficult to meet the requirement of improving the alkaline soil polluted by the alkaline solid waste.
Disclosure of Invention
The invention aims to provide a soil conditioner and application thereof, and the soil conditioner can be used for improving alkaline soil, can enhance soil fertility, can effectively reduce the pH value of the soil, and has a good improvement effect on the soil polluted by alkaline solid wastes.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a soil conditioner which comprises the following components in parts by weight: 2-4 parts of pyroligneous, 2-5 parts of meadow soil and 2-5 parts of chicken manure soil; the pH value of the soil conditioner is 4.0-4.5.
Preferably, the soil conditioner comprises the following components in parts by weight: 3 parts of pyroligneous, 4 parts of meadow soil and 4 parts of chicken manure soil.
The invention also provides application of the soil conditioner in the scheme in alkaline soil improvement.
Preferably, the alkaline soil comprises saline-alkali soil or soil polluted by alkaline solid waste.
Preferably, the alkaline solid waste comprises carbide slag.
Preferably, the alkaline soil has a pH > 10.
Preferably, the application comprises the following steps:
mixing the soil conditioner with alkaline soil to obtain mixed soil, and maintaining for 12-20 days at the temperature of 20-30 ℃ to obtain the improved soil; and in the maintenance process, according to the condition of the water content of the soil, replenishing water to the mixed soil in due time, and keeping the water content of the mixture to be more than or equal to 60 percent.
Preferably, the mass ratio of the soil conditioner to the alkaline soil is 7-14: 100.
the invention has the beneficial effects that: the invention provides a soil conditioner, which comprises the following components: pyroligneous liquor, meadow soil and chicken manure soil. The invention mixes the two solid components (meadow soil and chicken manure soil) and the liquid acid regulator (pyroligneous liquor) to form the acid nutritional soil conditioner, and after the soil conditioner is mixed with alkaline soil, the acid alkalinity and the nutrition of the alkaline soil can be simultaneously regulated, and the soil fertility can be enhanced while the pH value of the soil is effectively reduced. Various agronomic indexes of the soil improved by the soil conditioner can meet the growth requirements of dry field crops such as corn and the like. The soil conditioner of the invention has good improvement effect especially on the soil polluted by alkaline solid wastes. The soil conditioner is ecological and environment-friendly, and does not produce any side effect on soil.
Detailed Description
The invention provides a soil conditioner which comprises the following components in parts by weight: 2-4 parts of pyroligneous, 2-5 parts of meadow soil and 2-5 parts of chicken manure soil; the pH value of the soil conditioner is 4.0-4.5, and preferably 4.2.
In the invention, the soil conditioner comprises 2-4 parts by weight of pyroligneous liquor, preferably 3 parts; the pH value of the wood vinegar is preferably 3-3.5; the source of the wood vinegar liquid is not particularly limited, and the wood vinegar liquid can be obtained by adopting the conventional commercially available wood vinegar liquid; in the specific implementation process of the invention, the wood vinegar is purchased from Lanxing engineering Co., Ltd, is a reddish brown liquid, has a pH value of 3.26 and a specific gravity of 1.014; in the invention, the pyroligneous liquor is used as an acidic modifier for reducing the pH value of alkaline soil.
In the invention, the soil conditioner comprises 2-5 parts by weight of meadow soil, preferably 3-4 parts; the pH value of the meadow soil is preferably 6-6.5, the content of organic matters is preferably 50% -70%, and the content of humic acid is preferably 40% -50%. The source of the meadow soil is not specially limited, and the conventional commercially available meadow soil is adopted; in the specific implementation process of the invention, the meadow soil is preferably northeast meadow soil purchased from Anshan Liaoning, is in a black mud charcoal shape, is mined from a position more than 2m away from the northeast black soil, has the pH of 6-6.5, has the organic matter content of 65 percent, has the humic acid content of 45 percent, and is free of insects and bacteria; in the invention, the meadow soil is used as a natural modifier for enhancing the soil fertility.
In the invention, the soil conditioner comprises 2-5 parts by weight of chicken manure soil, preferably 3-4 parts; the source of the chicken manure soil is not specially limited, and the chicken manure soil can be obtained by adopting conventional commercially available chicken manure soil; in the specific implementation process of the invention, the chicken manure soil is preferably organic chicken manure soil purchased from Huainan city of Anhui province, is prepared by carrying out high-temperature closed fermentation on chicken manure for 45 days and then manually airing and crushing the chicken manure, is brown powder, has pH of 6-6.5, and belongs to organic fertilizer; in the invention, the chicken manure soil is used as a synergistic modifier for enhancing the soil fertility.
The invention also provides the application of the soil conditioner in the scheme in alkaline soil improvement; the alkaline soil preferably comprises saline-alkali soil or soil polluted by alkaline solid waste; the alkaline solid waste preferably comprises carbide slag; the pH of the alkaline soil is preferably > 10.
In the present invention, the application preferably comprises the steps of:
mixing the soil conditioner with alkaline soil to obtain mixed soil, and maintaining for 12-20 days at the temperature of 20-30 ℃ to obtain the improved soil; in the maintenance process, according to the moisture content of the soil, water is supplemented into the mixed soil in due time, the water content of the mixture is kept to be more than or equal to 60%, under the condition of the water content, nutrients in the conditioner can be fully fused with the soil, and the maintenance effect is improved; the mass ratio of the soil conditioner to the alkaline soil is preferably 7-14: 100, more preferably 9 to 12: 100, respectively; the curing temperature is preferably 25 ℃; the curing time is preferably 15-18 d.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
1. Raw materials:
the pyroligneous liquor (acid modifier) is a reddish brown liquid, is provided by Lanxingji engineering Co., Ltd, has a pH value of 3.26 and a specific gravity of 1.014, is applied to the soil by 3-4% according to the detection results of other main components, and cannot cause the standard exceeding of other indexes of the soil, and is shown in Table 1.
TABLE 1 Wood vinegar each index test results and safety analysis
Meadow soil (natural modifier), which is purchased in the northeast meadow in Anshan City of Liaoning province, is in a black mud charcoal shape, is mined from a position more than 2m away from the northeast black land, has the pH value of 6.5, the organic matter content of 65 percent, the humic acid of 45 percent, no insects and no bacteria;
the chicken manure soil (synergistic modifier) is organic chicken manure soil purchased in Huainan city of Anhui province, is prepared by carrying out high-temperature closed fermentation on chicken manure for 45 days, then manually airing and crushing the chicken manure, is brown powder, has pH of 6-6.5, and belongs to an organic fertilizer.
2. Improvement method
Collecting raw soil from which surface layer carbide slag is removed in a carbide slag stacking site, wherein the pH of the raw soil is 12.63, the organic matter content is 4.23g/kg, the cation exchange capacity is 4.8cmol (+)/kg, the effective phosphorus content is 12.24mg/kg, and the quick-acting potassium content is 78.06 mg/kg.
The method comprises the steps of uniformly mixing wood vinegar, meadow soil and chicken manure soil to obtain a soil conditioner S14, uniformly stirring the soil conditioner S14 and original soil (wherein the mass ratio of the wood vinegar to the meadow soil to the chicken manure soil to the original soil is 3: 4: 4: 100), curing for 15 days at the temperature of 25 ℃ under the condition that the soil moisture content is 65%, and detecting the improved soil, wherein detection indexes comprise pH, organic matters, CEC, available phosphorus and quick-acting potassium, and detection results are shown in Table 2.
Example 2
Except that the mass ratio of the wood vinegar, the meadow soil, the chicken manure soil and the original soil is 3: 3: 3: except for 100, the same procedure as in example 1 was repeated.
Example 3
Except that the mass ratio of the wood vinegar, the meadow soil, the chicken manure soil and the original soil is 4: 2: 2: except for 100, the same procedure as in example 1 was repeated.
Comparative example 1
Except that the mass ratio of the wood vinegar, the meadow soil, the chicken manure soil and the original soil is 2: 2: 2: except for 100, the same procedure as in example 1 was repeated.
Comparative example 2
Except that the mass ratio of the wood vinegar, the meadow soil, the chicken manure soil and the original soil is 3: 2: 2: except for 100, the same procedure as in example 1 was repeated.
Comparative example 3
Except that the mass ratio of the wood vinegar, the meadow soil, the chicken manure soil and the original soil is 3: 1: 1: except for 100, the same procedure as in example 1 was repeated.
TABLE 2 detection results of different soil conditioners for improving carbide slag contaminated soil
As can be seen from Table 2, the soil conditioner of examples 1 to 3 achieves better effects of increasing the organic matter content of the soil and enhancing the soil fertility while reducing the pH value. The soil conditioner of the embodiment 1 has the best improvement effect, the pH value of the soil after the improvement treatment is reduced to 8.39, the organic matter content is increased to 14.0g/kg, the cation exchange capacity is increased to 11.38cmol (+)/kg, the effective phosphorus content is increased to 46.45mg/kg, and the quick-acting potassium content is increased to 808.51mg/kg, so that the requirement of normal crop growth can be met.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A soil conditioner comprises the following components in parts by weight: 2-4 parts of pyroligneous, 2-5 parts of meadow soil and 2-5 parts of chicken manure soil; the pH value of the soil conditioner is 4.0-4.5.
2. A soil amendment according to claim 1, characterized in that the soil amendment comprises the following components in parts by weight: 3 parts of pyroligneous, 4 parts of meadow soil and 4 parts of chicken manure soil.
3. Use of a soil amendment according to claim 1 or 2 for the improvement of alkaline soil.
4. The use according to claim 3, wherein the alkaline soil comprises saline-alkali soil or soil contaminated with alkaline solid waste.
5. Use according to claim 4, wherein the alkaline solid waste comprises carbide slag.
6. Use according to claim 3, characterized in that the alkaline soil has a pH > 10.
7. Use according to any one of claims 3 to 6, characterized in that it comprises the following steps:
mixing the soil conditioner with alkaline soil to obtain mixed soil, standing and maintaining for 12-20 days at the temperature of 20-30 ℃ to obtain improved soil; and in the maintenance process, according to the condition of the water content of the soil, replenishing water to the mixed soil in due time, and keeping the water content of the mixture to be more than or equal to 60 percent.
8. The application of the soil conditioner as claimed in claim 7, wherein the mass ratio of the soil conditioner to the alkaline soil is 7-14: 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010001314.9A CN113061439A (en) | 2020-01-02 | 2020-01-02 | Soil conditioner and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010001314.9A CN113061439A (en) | 2020-01-02 | 2020-01-02 | Soil conditioner and application thereof |
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| CN113061439A true CN113061439A (en) | 2021-07-02 |
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| CN108865148A (en) * | 2018-08-07 | 2018-11-23 | 北京三聚绿能科技有限公司 | A kind of solid-liquid collaboration saline-alkali soil conditioner and preparation method thereof |
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| CN109880631A (en) * | 2019-03-04 | 2019-06-14 | 陕西科技大学 | One kind is based on humic acid-wood vinegar heavy-metal contaminated soil repair materials and preparation method thereof |
| CN110156516A (en) * | 2019-05-31 | 2019-08-23 | 南京三聚生物质新材料科技有限公司 | A kind of saline-alkali land soil conditioner, preparation method and applications |
| CN110615711A (en) * | 2019-09-25 | 2019-12-27 | 正大农业科技(浙江)有限公司 | Soil conditioner for adjusting salinity and alkalinity and preparation method thereof |
-
2020
- 2020-01-02 CN CN202010001314.9A patent/CN113061439A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923949A (en) * | 2006-09-22 | 2007-03-07 | 东北林业大学 | Preparation method of saline-alkali soil improving agent |
| CN102964166A (en) * | 2012-10-17 | 2013-03-13 | 乌鲁木齐奥森碳环生物能源有限公司 | Preparation method of carbon-based compound slow-release fertilizer |
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