CN112342023A - Soil remediation agent and using method thereof - Google Patents
Soil remediation agent and using method thereof Download PDFInfo
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- CN112342023A CN112342023A CN201910733004.3A CN201910733004A CN112342023A CN 112342023 A CN112342023 A CN 112342023A CN 201910733004 A CN201910733004 A CN 201910733004A CN 112342023 A CN112342023 A CN 112342023A
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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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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Abstract
The invention belongs to the technical field of agriculture, and particularly relates to a soil remediation agent which comprises medical stone powder, humic acid humate, liquid gold calcium, a compound microbial agent, an amino acid composition, fulvic acid salt and acetic acid. The soil remediation agent can effectively coordinate the interaction among minerals, organic matters, water, air and microbial flora, so that the soil remediation agent presents an organic whole meeting the soil health standard. The invention also relates to a using method of the soil remediation agent, which comprises the steps of deeply ploughing soil for the first time to a certain depth, and spreading the soil remediation agent on the surface of the soil for the first time, wherein the using amount of the soil remediation agent is 99-290 kg/mu; after the soil is placed for a plurality of days, deeply ploughing the soil for the second time to a certain depth, and spreading the soil remediation agent on the surface of the soil for the second time, wherein the using amount is 190-530 kg.
Description
Technical Field
The invention belongs to the technical field of agriculture, and particularly relates to a soil remediation agent and a using method thereof.
Background
With the development of agricultural intensification, due to excessive and unreasonable use of chemical fertilizers and pesticides, the soil quality is rapidly degraded, the balance and stability of a soil ecosystem are seriously damaged, the substance nutrients which cannot be transformed and absorbed by plants are increasingly accumulated in the soil, the soil is acidified or salinized, the granular structure of the soil is damaged, the soil is hardened, the air permeability is poor, and the productivity of the soil is reduced. In addition, organic matters in the soil are reduced, so that the diversity of biological floras in the soil is damaged to a certain degree, the metabolic function of the biological floras is lost, and the biological chain of beneficial harmful floras is unbalanced, thereby preventing the biological floras from transforming the plant nutrition and limiting the plant to absorb the nutrients. But also air pollution, water pollution, etc. cause the productivity of the soil to be deteriorated.
Therefore, it is desirable to provide a soil remediation agent that is effective in improving soil quality and increasing soil productivity.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a soil remediation agent.
In order to solve the technical problems, the invention adopts the technical scheme that:
a soil repairing agent comprises medical stone powder, humate, liquid gold calcium, compound microbial agent, amino acid composition, fulvic acid salt and acetic acid; the core base material is obtained by calcining, stewing and crushing a plurality of natural ore raw materials.
As an embodiment, the core binder includes medical stone powder.
In one embodiment, the medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron.
In one embodiment, the medical stone powder has a particle size of 150 to 250 mesh.
As an embodiment, the soil remediation agent further comprises organic auxiliary materials, and the organic auxiliary materials are obtained by fermenting agricultural wastes, forestry wastes and/or animal husbandry wastes.
As an embodiment, the weight ratio of the organic auxiliary material to the core base material is 8-6: 1-3.
In one embodiment, the complex microbial agent comprises photosynthetic bacteria, bacillus licheniformis and azotobacter.
As an embodiment, the total bacterial content of the compound microbial agent is 8-40 hundred million/gram.
As an embodiment, the ratio of photosynthetic bacteria, bacillus licheniformis and azotobacter is 1-4: 0.7-2.5: 3 to 7 by weight.
In one embodiment, the humate is sodium humate and the fulvic acid salt is potassium fulvate.
In one embodiment, the acetic acid is edible fermented vinegar.
In one embodiment, the liquid gold calcium consists of amino acid and calcium element, and each 100g of the liquid gold calcium contains 300-450 mg of the calcium element and 0.2-1 g of the amino acid.
In one embodiment, the amino acids include leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine, and isoleucine.
As an embodiment, every 100g of liquid calcium gold comprises 0.064g of leucine, less than 0.01g of tyrosine, 0.053g of phenylalanine, 0.029g of lysine, 0.022g of histidine, 0.035g of arginine, 0.06g of aspartic acid, 0.018g of threonine, 0.014g of serine, 0.094g of glutamic acid, 0.018g of proline, 0.023g of glycine, 0.051g of alanine, 0.033g of valine, 0.016g of methionine and 0.029g of isoleucine.
In one embodiment, the liquid gold calcium comprises 433mg calcium per 100g liquid gold calcium.
As an embodiment, the soil remediation agent comprises 15-40 parts by weight of medical stone powder, 22-50 parts by weight of humate, 5-16 parts by weight of liquid gold calcium, 0.1-1.8 parts by weight of compound microbial agent, 0.5-2.6 parts by weight of amino acid composition, 7-18 parts by weight of fulvic acid salt and 0.1-0.5 part by weight of acetic acid.
As an embodiment, the soil remediation agent comprises 31.7 parts by weight of medical stone powder, 40 parts by weight of humate, 10 parts by weight of liquid gold calcium, 1 part by weight of compound microbial agent, 2 parts by weight of amino acid composition, 15 parts by weight of potassium fulvate and 0.3 part by weight of edible fermented vinegar.
In one embodiment, the pH of the soil remediation agent is 5.8 to 6.8.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the soil remediation agent can preserve water, resist evaporation and save water resources;
2. balancing soil biological flora;
3. harmful elements such as heavy metals and the like are adsorbed, blocked and diluted, and plant absorption is inhibited;
4. loosening soil, improving soil air permeability and inhibiting soil hardening;
5. gradually restoring the original ecology of the soil and improving the productivity of the soil;
6. the probability of plant diseases and insect pests of the soil is reduced;
7. the internal quality of the agricultural products is gradually improved, and the content of nutrient substances is improved.
The invention also relates to a use method of the soil remediation agent as described in any one of the above contents, comprising the following steps:
deeply ploughing soil for the first time to a certain depth, and spreading the soil remediation agent on the surface of the soil for the first time, wherein the dosage is 99-290 kg/mu;
after the soil conditioner is placed for a plurality of days, deeply ploughing the soil for the second time to a certain depth, and spreading the soil conditioner on the surface of the soil for the second time, wherein the using amount of the soil conditioner is 190-560 kg/mu.
In one embodiment, the method for using the soil remediation agent comprises the steps of after the soil remediation agent is applied for the first time, if precipitation does not occur, carrying out artificial irrigation, standing for a plurality of days, carrying out deep ploughing for the second time after soil is dried, and applying the soil remediation agent for the second time;
preferably, the depth of the first deep ploughing is 20-45 cm, and the depth of the second deep ploughing is 35-60 cm.
The using method of the soil remediation agent is simple and convenient to operate, can conveniently and quickly improve large-area soil, and improves efficiency. And the soil conditioner can be suitable for improving various complex landform soil such as desert, desert or abandoned mine and the like, and is convenient to popularize and apply.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are described in detail and completely with reference to some examples, which are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
Example 1
The formula of the soil remediation agent comprises: the nutrient solution comprises 30kg of medical stone powder, 44kg of humate, 10kg of liquid gold calcium, 0.2kg of compound microbial agent, 1kg of amino acid composition, 14kg of fulvic acid salt and 0.2kg of acetic acid, wherein the 10kg of liquid gold calcium contains 30g of calcium element and 20g of amino acid.
The amino acid in the amino acid composition or the liquid gold calcium comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine and isoleucine.
The medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron elements. The humate is sodium humate, and the fulvic acid salt is potassium fulvate.
The compound microbial inoculum comprises photosynthetic bacteria, bacillus licheniformis and azotobacter.
According to the formula, the soil remediation agent with the corresponding weight is prepared according to the actual required using amount, and the soil remediation agent is used according to the following method.
The use method of the soil remediation agent comprises the following steps:
deeply ploughing 20cm soil for the first time, and spreading the soil remediation agent on the soil surface for the first time, wherein the using amount is 99 kg/mu;
after being placed for a plurality of days, after the soil is dried, deeply ploughing the soil for the second time by 35cm, and spreading the soil remediation agent on the soil surface for the second time, wherein the using amount is 190 kg/mu.
Example 2
The formula of the soil remediation agent comprises: the nutrient solution comprises 80kg of medical stone powder, 100kg of humate, 32kg of liquid gold calcium, 3.6kg of compound microbial agent, 5.2kg of amino acid composition, 36kg of fulvic acid salt and 1kg of acetic acid, wherein the 32kg of liquid gold calcium contains 135g of calcium element and 32g of amino acid.
The amino acid in the amino acid composition or the liquid gold calcium comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine and isoleucine.
The medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron elements. The humate is sodium humate, and the fulvic acid salt is potassium fulvate.
The compound microbial inoculum comprises photosynthetic bacteria, bacillus licheniformis and azotobacter.
According to the formula, the soil remediation agent with the corresponding weight is prepared according to the actual required using amount, and the soil remediation agent is used according to the following method.
The use method of the soil remediation agent comprises the following steps:
deeply ploughing soil for the first time by 40cm, and spreading the soil remediation agent on the soil surface for the first time, wherein the using amount is 258 kg/mu;
after the soil is placed for a plurality of days and is dried, the soil is deeply ploughed for the second time by 60cm, and the soil remediation agent is spread on the soil surface for the second time, wherein the dosage is 530 kg/mu.
Example 3
The formula of the soil remediation agent comprises: the nutrient solution comprises 31.7kg of medical stone powder, 40kg of humate, 10kg of liquid gold calcium, 1kg of compound microbial agent, 2kg of amino acid composition, 15kg of potassium fulvate and 0.3kg of edible fermented vinegar, wherein 10kg of liquid gold calcium contains 30g of calcium element and 20g of amino acid.
The amino acid in the amino acid composition or the liquid gold calcium comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine and isoleucine.
The medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron elements. The humate is sodium humate, and the fulvic acid salt is potassium fulvate.
The compound microbial inoculum comprises photosynthetic bacteria, bacillus licheniformis and azotobacter.
According to the formula, the soil remediation agent with the corresponding weight is prepared according to the actual required using amount, and the soil remediation agent is used according to the following method.
The use method of the soil remediation agent comprises the following steps:
deeply ploughing 30cm soil for the first time, and spreading the soil remediation agent on the soil surface for the first time, wherein the using amount is 111 kg/mu;
after the soil is placed for a plurality of days and is dried, the soil is deeply ploughed for the second time by 50cm, and the soil remediation agent is spread on the surface of the soil for the second time, wherein the using amount is 340 kg/mu.
Example 4
The formula of the soil remediation agent comprises: the soil remediation agent comprises 80kg of medical stone powder, 100kg of humate, 32kg of liquid gold calcium, 3.6kg of compound microbial agent, 5.2kg of amino acid composition, 36kg of fulvic acid salt and 1kg of acetic acid, wherein the 32kg of liquid gold calcium contains 135g of calcium element and 32g of amino acid, and the pH value of the soil remediation agent is 5.8.
The amino acid in the amino acid composition or the liquid gold calcium comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine and isoleucine.
The medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron elements, and the particle size of the medical stone powder is 150 meshes.
The humate is sodium humate, and the fulvic acid salt is potassium fulvate.
The composite microbial inoculant comprises photosynthetic bacteria, bacillus licheniformis and nitrogen-fixing bacteria, wherein the photosynthetic bacteria, the bacillus licheniformis and the nitrogen-fixing bacteria are mixed according to the ratio of 1: 0.7: 3, and the total bacteria content of the compound microbial agent is 12 hundred million/g.
According to the formula, the soil remediation agent with the corresponding weight is prepared according to the actual required using amount, and the soil remediation agent is used according to the following method.
The use method of the soil remediation agent comprises the following steps:
deeply ploughing soil for the first time by 40cm, and spreading the soil remediation agent on the soil surface for the first time, wherein the using amount is 258 kg/mu;
after the soil is placed for a plurality of days and is dried, the soil is deeply ploughed for the second time by 60cm, and the soil remediation agent is spread on the soil surface for the second time, wherein the dosage is 530 kg/mu.
Example 5
The formula of the soil remediation agent comprises: the soil remediation agent comprises 80kg of medical stone powder, 100kg of humate, 32kg of liquid gold calcium, 3.6kg of compound microbial agent, 5.2kg of amino acid composition, 36kg of fulvic acid salt and 1kg of acetic acid, wherein the 32kg of liquid gold calcium contains 135g of calcium element and 32g of amino acid, and the pH value of the soil remediation agent is 6.8.
The amino acid in the amino acid composition or the liquid gold calcium comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine and isoleucine.
The medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron elements, and the particle size of the medical stone powder is 200 meshes.
The humate is sodium humate, and the fulvic acid salt is potassium fulvate.
The composite microbial inoculant comprises photosynthetic bacteria, bacillus licheniformis and nitrogen-fixing bacteria, wherein the photosynthetic bacteria, the bacillus licheniformis and the nitrogen-fixing bacteria are mixed according to the ratio of 1: 0.7: 3, and the total bacteria content of the compound microbial agent is 40 hundred million/g.
According to the formula, the soil remediation agent with the corresponding weight is prepared according to the actual required using amount, and the soil remediation agent is used according to the following method.
The use method of the soil remediation agent comprises the following steps:
deeply ploughing soil for the first time by 40cm, and spreading the soil remediation agent on the soil surface for the first time, wherein the using amount is 258 kg/mu;
after the soil is placed for a plurality of days and is dried, the soil is deeply ploughed for the second time by 60cm, and the soil remediation agent is spread on the soil surface for the second time, wherein the dosage is 530 kg/mu.
Example 6
The formula of the soil remediation agent comprises: the soil remediation agent comprises 80kg of medical stone powder, 100kg of humate, 32kg of liquid gold calcium, 3.6kg of compound microbial agent, 5.2kg of amino acid composition, 36kg of fulvic acid salt and 1kg of acetic acid, wherein the 32kg of liquid gold calcium contains 135g of calcium element and 32g of amino acid, and the pH value of the soil remediation agent is 6.8.
The amino acid in the amino acid composition or the liquid gold calcium comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine and isoleucine.
Wherein, each 100g of liquid gold calcium comprises 0.064g of leucine, less than 0.01g of tyrosine, 0.053g of phenylalanine, 0.029g of lysine, 0.022g of histidine, 0.035g of arginine, 0.06g of aspartic acid, 0.018g of threonine, 0.014g of serine, 0.094g of glutamic acid, 0.018g of proline, 0.023g of glycine, 0.051g of alanine, 0.033g of valine, 0.016g of methionine and 0.029g of isoleucine.
The medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron elements, and the particle size of the medical stone powder is 200 meshes.
The humate is sodium humate, and the fulvic acid salt is potassium fulvate.
The composite microbial inoculant comprises photosynthetic bacteria, bacillus licheniformis and azotobacter, wherein the photosynthetic bacteria, the bacillus licheniformis and the azotobacter are mixed according to the ratio of 4: 2.5: 7, and the total bacteria content of the compound microbial agent is 26 hundred million/g.
According to the formula, the soil remediation agent with the corresponding weight is prepared according to the actual required using amount, and the soil remediation agent is used according to the following method.
The use method of the soil remediation agent comprises the following steps:
deeply ploughing soil for the first time by 40cm, and spreading the soil remediation agent on the soil surface for the first time, wherein the using amount is 258 kg/mu;
after the soil is placed for a plurality of days and is dried, the soil is deeply ploughed for the second time by 60cm, and the soil remediation agent is spread on the soil surface for the second time, wherein the dosage is 530 kg/mu.
Example 7
The formula of the compound preparation is as follows: the soil remediation agent comprises 80kg of medical stone powder, 100kg of humate, 32kg of liquid gold calcium, 3.6kg of compound microbial agent, 5.2kg of amino acid composition, 36kg of fulvic acid salt and 1kg of acetic acid, wherein the 32kg of liquid gold calcium contains 135g of calcium element, 32g of amino acid and 30kg of organic auxiliary material, the organic auxiliary material is obtained by fermenting agricultural waste, forestry waste and/or animal husbandry waste, and the pH value of the soil remediation agent is 6.5.
The amino acid in the amino acid composition or the liquid gold calcium comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine and isoleucine.
Wherein, each 100g of liquid gold calcium comprises 0.064g of leucine, less than 0.01g of tyrosine, 0.053g of phenylalanine, 0.029g of lysine, 0.022g of histidine, 0.035g of arginine, 0.06g of aspartic acid, 0.018g of threonine, 0.014g of serine, 0.094g of glutamic acid, 0.018g of proline, 0.023g of glycine, 0.051g of alanine, 0.033g of valine, 0.016g of methionine and 0.029g of isoleucine.
The medical stone powder comprises titanium, molybdenum, selenium, manganese, zinc and iron elements, and the particle size of the medical stone powder is 250 meshes.
The humate is sodium humate, and the fulvic acid salt is potassium fulvate.
The composite microbial inoculant comprises photosynthetic bacteria, bacillus licheniformis and nitrogen-fixing bacteria, wherein the photosynthetic bacteria, the bacillus licheniformis and the nitrogen-fixing bacteria are mixed according to the ratio of 1: 0.7: 3, and the total bacteria content of the compound microbial agent is 30 hundred million/g.
According to the formula, the soil remediation agent with the corresponding weight is prepared according to the actual required using amount, and the soil remediation agent is used according to the following method.
The use method of the soil remediation agent comprises the following steps:
deeply ploughing 45cm soil for the first time, and spreading the soil remediation agent on the soil surface for the first time, wherein the dosage is 288 kg/mu;
after being placed for a plurality of days, after the soil is dried, deeply ploughing the soil for the second time by 60cm, and spreading the soil remediation agent on the soil surface for the second time, wherein the dosage is 560 kg/mu.
Experimental example 1
The method comprises the following steps: before carrying out each of the above examples 1-7, the soil of each target application was sampled and labeled A1-A7;
step two: after the above examples 1-7 were performed, respectively, the corresponding target implement soils were again sampled, labeled B1-B7;
step three: the contents of mineral substances, air, moisture, microbial flora and organic matters in the soil A1-A7 and the soil B1-B7 are respectively tested by the same test method and test environment.
The sampling mode is carried out according to the standard representing the soil overall condition, and the test results are shown in tables 1 and 2.
TABLE 1
TABLE 2
The soil remediation agent can effectively coordinate the interaction among minerals, organic matters, water, air and microbial flora, so that the soil is an organic whole which meets the soil health standard, and the soil contains about 45% of minerals, about 20% of air, about 25% of water, about 5% -9% of organic matters and about 1% of biological flora, thereby obviously improving the productivity of the soil.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A soil repairing agent is characterized by comprising a core base material, humate, liquid gold calcium, a compound microbial agent, an amino acid composition, fulvic acid salt and acetic acid; the core base material is obtained by calcining, stewing and crushing a plurality of natural ore raw materials.
2. The soil remediation agent of claim 1 wherein said core substrate comprises medical stone powder, preferably said medical stone powder comprises the elements titanium, molybdenum, selenium, manganese, zinc, and iron;
preferably, the soil remediation agent further comprises organic auxiliary materials, and the organic auxiliary materials are obtained by fermenting agricultural wastes, forestry wastes and/or animal husbandry wastes.
3. The soil remediation agent of claim 1, wherein said complex microbial inoculant comprises photosynthetic bacteria, bacillus licheniformis and azotobacter;
preferably, the ratio of photosynthetic bacteria, bacillus licheniformis and azotobacter is 1-4: 0.7-2.5: 3 to 7 by weight.
4. The soil remediation agent of claim 1 wherein said humate is sodium humate and fulvic acid salt is potassium fulvate;
preferably, the acetic acid is edible fermented vinegar.
5. The soil remediation agent of claim 1 wherein said liquid gold calcium is comprised of amino acids and calcium, and further comprising 300 to 450mg calcium per 100g liquid gold calcium, 0.2 to 1g amino acids.
6. The soil remediation agent of claim 1 or 5 wherein said amino acid comprises leucine, tyrosine, phenylalanine, lysine, histidine, arginine, aspartic acid, threonine, serine, glutamic acid, proline, glycine, alanine, valine, methionine, and isoleucine.
7. The soil remediation agent of any one of claims 1 to 6, comprising 15 to 40 parts by weight of medical stone powder, 22 to 50 parts by weight of humate, 5 to 16 parts by weight of liquid gold calcium, 0.1 to 1.8 parts by weight of composite microbial agent, 0.5 to 2.6 parts by weight of amino acid composition, 7 to 18 parts by weight of fulvic acid salt and 0.1 to 0.5 parts by weight of acetic acid.
8. The soil remediation agent of any one of claims 1 to 6 including 31.7 parts by weight of medical stone powder, 40 parts by weight of humate, 10 parts by weight of liquid gold calcium, 1 part by weight of complex microbial inoculant, 2 parts by weight of amino acid composition, 15 parts by weight of potassium fulvate and 0.3 part by weight of edible fermented vinegar.
9. A method of using the soil remediation agent of any one of claims 1 to 7, comprising:
deeply ploughing soil for the first time to a certain depth, and spreading the soil remediation agent on the surface of the soil for the first time, wherein the dosage is 99-290 kg/mu;
after the soil conditioner is placed for a plurality of days, deeply ploughing the soil for the second time to a certain depth, and spreading the soil conditioner on the surface of the soil for the second time, wherein the using amount of the soil conditioner is 190-560 kg/mu.
10. The method of using a soil remediation agent of claim 9 wherein after the first application of said agent, if precipitation is not occurring, artificial irrigation is applied, left for several days, after the soil has dried for a second deep ploughing and a second application of said agent is applied;
preferably, the depth of the first deep ploughing is 20-45 cm, and the depth of the second deep ploughing is 35-60 cm.
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