CN112094148A - Soil repairing agent and repairing method thereof - Google Patents
Soil repairing agent and repairing method thereof Download PDFInfo
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- CN112094148A CN112094148A CN202010881952.4A CN202010881952A CN112094148A CN 112094148 A CN112094148 A CN 112094148A CN 202010881952 A CN202010881952 A CN 202010881952A CN 112094148 A CN112094148 A CN 112094148A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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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
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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
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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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
-
- 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
Abstract
The invention discloses a soil repairing agent, which comprises the following components in percentage by mass: poultry manure: 10-15 parts of corn straw: 20-30 parts of river sand: 5-10 parts of calcium carbonate: 10-13 parts of ground phosphate rock: 8-11 parts, calcium silicate: 5-8 parts of starch: 5-8 parts of clay mineral: 3-5 parts, biomass: 30-38 parts of shell powder: 10-13 parts of stabilizer: 5-7 parts of isatis root: 0.4-0.8 parts of dandelion: 0.5-0.8 part of Chinese medicinal vine: 0.2-0.4 part; the repairing agent can effectively repair soil and improve soil environment, and has the advantages of good treatment effect, low treatment cost and green and environment-friendly raw materials.
Description
Technical Field
The invention relates to a repairing agent, in particular to a soil repairing agent and a repairing method thereof.
Background
Soil is originally a natural accommodation place and a purification treatment place of various wastes, the soil accepts pollutants, the soil is not polluted, and only when various pollutants accommodated in the soil are excessive and influence and exceed the self-purification capacity of the soil, so that the soil on the surface is polluted due to the harmful influence on hygiene and epidemiology, the causes of soil pollution are many, such as industrial sludge, garbage agriculture, sewage irrigation, pollutant sedimentation in the atmosphere, and a large amount of mineral fertilizers and pesticides containing heavy metals.
The existing cultivated land in China is polluted to nearly 1/5 degrees, the polluted soil leads to crop yield reduction, even possibly causes the pollutant in agricultural products to exceed the standard, and further harms human health, in addition, with the acceleration of economic development and urbanization, the site pollution caused by industrial and mining enterprises is very serious, as the change and adjustment of industrial structure and urban layout, some polluted enterprises in chemical industry, metallurgy and the like are moved in succession, the polluted sites are generated continuously, the soil is an important material basis of production activities of human society, is an indispensable and difficult-to-regenerate natural resource, the untreated polluted sites are chemical timing bombs, once a large area of outbreak can cause the influence of inestimable quantity on the national sustainable development, therefore, the prevention of soil pollution and the remediation of the polluted soil must be highly valued, and the proper management and the remediation are necessary, so that the utility model can be reasonably utilized.
The U.S. investment for contaminated soil remediation in the 90's of the 20 th century is nearly $ 1000 billion, the theory and technology of contaminated soil remediation has become the frontier of entire environmental science and technology research, the process of soil remediation is quite lengthy, and current solutions to soil contamination require the concurrent efforts of scientists with different disciplines, such as agronomy, ecology, biogeochemistry, marine science, and production units and government decision makers involved in agriculture, forestry, fisheries, and the like.
The soil pollution in China threatens the sustainable utilization of land resources and the ecological safety of agricultural products, the farmland polluted by organic pollutants in China reaches 3600 ten thousand hectares, and the types of the pollutants comprise petroleum, polycyclic aromatic hydrocarbon, pesticide, organic chlorine and the like; the area of the seriously petroleum-polluted land caused by oil field exploitation reaches 1 ten thousand hectares, and the large-area land is polluted by the petroleum refining industry; in the subsidence and petition petroleum sewage irrigation area, the content of polycyclic aromatic hydrocarbon in surface soil and bottom soil exceeds 600mg/kg, which causes serious pollution to crops and underground water, the land polluted by heavy metal in the whole country reaches 2000 million hectares, wherein the content of the seriously polluted land exceeds 70 million hectares, and 13 million hectares of land is forced to be abandoned due to the exceeding of cadmium content.
Disclosure of Invention
The invention aims to solve the technical problems that the soil remediation agent and the remediation method thereof are provided aiming at the defects in the prior art, the remediation agent can effectively remediate soil and improve the soil environment, the treatment effect is good, the treatment cost is low, and the raw materials are green and environment-friendly.
The technical scheme for solving the technical problems is as follows:
the soil repairing agent comprises the following components in percentage by mass: poultry manure: 10-15 parts of corn straw: 20-30 parts of river sand: 5-10 parts of calcium carbonate: 10-13 parts of ground phosphate rock: 8-11 parts, calcium silicate: 5-8 parts of starch: 5-8 parts of clay mineral: 3-5 parts, biomass: 30-38 parts of shell powder: 10-13 parts of stabilizer: 5-7 parts of isatis root: 0.4-0.8 parts of dandelion: 0.5-0.8 part of Chinese medicinal vine: 0.2-0.4 part;
the biomass comprises at least one of tree branches and barks, fallen leaves, wood chips, paper scraps and hay residues; the clay mineral is a mixture of diatomite, sepiolite and montmorillonite, and the weight ratio of diatomite is as follows: sepiolite: montmorillonite =1:2: 1; the livestock manure is at least one of chicken manure, duck manure and pig manure; the stabilizer is sodium sulfide; the Chinese medicinal material caulis comprises radix Platycodi caulis, semen Cassiae caulis and radix rehmanniae Preparata caulis;
the soil remediation agent is mixed with mixed fermentation broth before use, wherein the mixed fermentation broth contains azotobacter, nitrobacteria and saprophytic bacteria.
The invention further defines the technical scheme as follows:
in the soil remediation agent, the remediation agent comprises the following components in percentage by mass: poultry manure: 10 parts, corn stalk: 20 parts, river sand: 5 parts, calcium carbonate: 10 parts of ground phosphate rock: 8 parts, calcium silicate: 5 parts, starch: 5 parts, clay mineral: 3 parts, biomass: 30 parts of shell powder: 10 parts, stabilizer: 5 parts, isatis root: 0.4 part, dandelion: 0.5 part, Chinese medicinal material vine: 0.2 part.
In the soil remediation agent, the remediation agent comprises the following components in percentage by mass: poultry manure: 15 parts, corn stalk: 30 parts, river sand: 10 parts, calcium carbonate: 13 parts of ground phosphate rock: 11 parts, calcium silicate: 8 parts, starch: 8 parts, clay mineral: 5 parts, biomass: 38 parts of shell powder: 13 parts, stabilizer: 7 parts, isatis root: 0.8 part, dandelion: 0.8 part, Chinese medicinal material vine: 0.4 part.
In the soil remediation agent, the remediation agent comprises the following components in percentage by mass: poultry manure: 12 parts, corn stalk: 25 parts, river sand: 8 parts, calcium carbonate: 12 parts of ground phosphate rock: 9 parts, calcium silicate: 7 parts of starch: 6 parts, clay mineral: 4 parts, biomass: 35 parts of shell powder: 11 parts, stabilizer: 6 parts, radix isatidis: 0.6 part, dandelion: 0.6 part, Chinese medicinal material vine: 0.3 part.
Among the soil repairing agents, the soil repairing agent comprises the following components in percentage by volume: mixed fermentation broth =1: 0.3.
In the soil remediation agent, the river sand has a particle size of 0.8-1.2 mm.
Among the soil remediation agents, the remediation method of the soil remediation agent specifically comprises the following steps:
(1) weighing radix Isatidis, herba Taraxaci, and Chinese medicinal caulis Spatholobi, pulverizing, adding 10 times of water by weight, soaking, heating to 90-100 deg.C, keeping the temperature for 10-20min, filtering, adding 5 times of water by weight, heating to 90-100 deg.C, keeping the temperature for 10-15min, filtering, and keeping the liquid;
(2) the biomass material is obtained by crushing a biomass raw material to 80-100 meshes, and then decomposing and fermenting, and specifically comprises the following steps:
crushing a biomass raw material, mixing with decomposed bacteria and water, decomposing shrimps at 60-70 ℃, and naturally fermenting for 5-8 days after decomposition;
the moisture content of the material after the decomposition is 10-13%;
(3) weighing livestock and poultry manure, corn straws, river sand, clay minerals, calcium silicate, calcium carbonate, ground phosphate rock, starch, shell powder, a stabilizer and the prepared biomass in the step (2), uniformly mixing, adding the liquid in the step (1), and composting for 7-9 days;
(4) and (4) granulating and drying the material obtained in the step (3) to obtain the soil remediation agent.
The invention also designs a method for repairing the soil repairing agent, which comprises the following steps:
(1) turning and finishing the polluted soil, and then adding a repairing agent to the soil, wherein 7-8kg of the repairing agent is added to each mu of soil;
(2) after the completion, planting rape on the soil;
(3) and (3) detecting the physicochemical property of the soil after the rape flowers reach the harvest period and harvesting the rape, and repeating the steps (1) to (2) until the physicochemical property of the soil meets the requirement.
The invention has the beneficial effects that:
the raw materials of the invention have wide sources, are easy to obtain and are easy to realize; the components of the repairing agent are harmless to human bodies and environment, and the repairing agent is green and environment-friendly.
The invention adds the traditional Chinese medicine components with sterilization function, such as the isatis root, the dandelion and the like, has the functions of improving the soil aggregate structure, improving the soil quality, enhancing the soil fertility, inhibiting soil-borne diseases and improving the crop quality, and can also effectively reduce pesticide residues and passivate heavy metals.
The soil repairing agent can improve the micro-ecological environment of plant roots, promote the metabolism of beneficial microorganisms, stimulate the beneficial microorganisms to generate active substances, promote the growth of the roots and improve the quality of crops; the soil repairing agent can effectively inhibit soil-borne diseases and reduce the use of pesticides, thereby reducing pesticide residues.
The invention has various materials, integrates the repairing mechanism of each raw material, belongs to composite repairing, and has the advantages of simple application, low cost, high efficiency and environmental protection.
Rape is one of the main crops in China and is widely planted in most areas of China. Meanwhile, the rape roots are developed, the growth speed is high, the period is short, and the potential of adsorbing and tolerating heavy metals is realized; the degree of heavy metal pollution is reduced. Meanwhile, the method is simple to operate and low in cost.
When the soil remediation agent is used for remediating contaminated soil, the contaminated soil can be effectively remediated in a short time, the soil environment is effectively improved, and the soil remediation agent has the advantages of good treatment effect, low treatment cost and the like.
Detailed Description
Example 1
The embodiment provides a soil repairing agent, which comprises the following components in percentage by mass: poultry manure: 10 parts, corn stalk: 20 parts, river sand: 5 parts, calcium carbonate: 10 parts of ground phosphate rock: 8 parts, calcium silicate: 5 parts, starch: 5 parts, clay mineral: 3 parts, biomass: 30 parts of shell powder: 10 parts, stabilizer: 5 parts, isatis root: 0.4 part, dandelion: 0.5 part, Chinese medicinal material vine: 0.2 part;
the biomass comprises a mixture of tree branches and barks and fallen leaves; the clay mineral is a mixture of diatomite, sepiolite and montmorillonite, and the weight ratio of diatomite is as follows: sepiolite: montmorillonite =1:2: 1; the poultry and livestock manure is a mixture of chicken manure and duck manure; the stabilizer is sodium sulfide; the Chinese medicinal material caulis comprises radix Platycodi caulis, semen Cassiae caulis and radix rehmanniae Preparata caulis;
the soil remediation agent is mixed with mixed fermentation broth before use, wherein the mixed fermentation broth contains azotobacter, nitrobacteria and saprophytic bacteria.
In this example, the soil remediation agent is present in a volume ratio of: mixed fermentation broth =1: 0.3.
In this example, the river sand has a particle size of 0.8 mm.
The method for repairing the soil repairing agent specifically comprises the following steps:
(1) weighing radix Isatidis, herba Taraxaci, and caulis et folium Gaultheriae Yunnanensis, pulverizing, adding 10 times of water, soaking, heating to 90 deg.C, maintaining the temperature for 20min, filtering, adding 5 times of water, heating to 90 deg.C, maintaining the temperature for 10min, filtering, and retaining the liquid;
(2) the biomass material is obtained by crushing a biomass raw material to 80 meshes, then decomposing and fermenting, and specifically comprises the following steps:
crushing a biomass raw material, mixing with decomposed bacteria and water, decomposing shrimps at 60 ℃, and naturally fermenting for 5 days after the decomposition is finished;
the moisture content of the material after the decomposition is 10%;
(3) weighing livestock and poultry manure, corn straws, river sand, clay minerals, calcium silicate, calcium carbonate, ground phosphate rock, starch, shell powder, a stabilizer and the prepared biomass in the step (2), uniformly mixing, adding the liquid in the step (1), and composting for 7 days;
(4) and (4) granulating and drying the material obtained in the step (3) to obtain the soil remediation agent.
The method for repairing the soil repairing agent specifically comprises the following steps:
(1) turning and finishing the polluted soil, and then adding a repairing agent to the soil, wherein 7kg of the repairing agent is added to each mu of soil;
(2) after the completion, planting rape on the soil;
(3) and (3) detecting the physicochemical property of the soil after the rape flowers reach the harvest period and harvesting the rape, and repeating the steps (1) to (2) until the physicochemical property of the soil meets the requirement.
Example 2
The embodiment provides a soil repairing agent, which comprises the following components in percentage by mass: poultry manure: 15 parts, corn stalk: 30 parts, river sand: 10 parts, calcium carbonate: 13 parts of ground phosphate rock: 11 parts, calcium silicate: 8 parts, starch: 8 parts, clay mineral: 5 parts, biomass: 38 parts of shell powder: 13 parts, stabilizer: 7 parts, isatis root: 0.8 part, dandelion: 0.8 part, Chinese medicinal material vine: 0.4 part;
the biomass comprises tree sawdust, paper scraps and hay residues; the clay mineral is a mixture of diatomite, sepiolite and montmorillonite, and the weight ratio of diatomite is as follows: sepiolite: montmorillonite =1:2: 1; the livestock manure is chicken manure, duck manure and pig manure; the stabilizer is sodium sulfide; the Chinese medicinal material caulis comprises radix Platycodi caulis, semen Cassiae caulis and radix rehmanniae Preparata caulis;
the soil remediation agent is mixed with mixed fermentation broth before use, wherein the mixed fermentation broth contains azotobacter, nitrobacteria and saprophytic bacteria.
In this example, the soil remediation agent is present in a volume ratio of: mixed fermentation broth =1: 0.3.
In this example, the river sand has a particle size of 1.2 mm.
The method for repairing the soil repairing agent specifically comprises the following steps:
(1) weighing radix Isatidis, herba Taraxaci, and caulis et folium Gaultheriae Yunnanensis, pulverizing, adding 10 times of water, soaking, heating to 100 deg.C, maintaining the temperature for 15min, filtering, adding 5 times of water, heating to 100 deg.C, maintaining the temperature for 10min, filtering, and keeping the liquid;
(2) the biomass material is obtained by crushing a biomass raw material to 100 meshes, then decomposing and fermenting, and specifically comprises the following steps:
crushing a biomass raw material, mixing with decomposed bacteria and water, decomposing shrimps at 70 ℃, and naturally fermenting for 8 days after the decomposition is finished;
the moisture content of the material after the decomposition is 13%;
(3) weighing livestock and poultry manure, corn straws, river sand, clay minerals, calcium silicate, calcium carbonate, ground phosphate rock, starch, shell powder, a stabilizer and the prepared biomass in the step (2), uniformly mixing, adding the liquid in the step (1), and composting for 9 days;
(4) and (4) granulating and drying the material obtained in the step (3) to obtain the soil remediation agent.
The method for repairing the soil repairing agent specifically comprises the following steps:
(1) turning and finishing the polluted soil, and then adding a repairing agent to the soil, wherein 8kg of the repairing agent is added to each mu of soil;
(2) after the completion, planting rape on the soil;
(3) and (3) detecting the physicochemical property of the soil after the rape flowers reach the harvest period and harvesting the rape, and repeating the steps (1) to (2) until the physicochemical property of the soil meets the requirement.
Example 3
The embodiment provides a soil repairing agent, which comprises the following components in percentage by mass: poultry manure: 12 parts, corn stalk: 25 parts, river sand: 8 parts, calcium carbonate: 12 parts of ground phosphate rock: 9 parts, calcium silicate: 7 parts of starch: 6 parts, clay mineral: 4 parts, biomass: 35 parts of shell powder: 11 parts, stabilizer: 6 parts, radix isatidis: 0.6 part, dandelion: 0.6 part, Chinese medicinal material vine: 0.3 part;
the biomass comprises tree branches and barks; the clay mineral is a mixture of diatomite, sepiolite and montmorillonite, and the weight ratio of diatomite is as follows: sepiolite: montmorillonite =1:2: 1; the poultry and livestock manure is pig manure; the stabilizer is sodium sulfide; the Chinese medicinal material caulis comprises radix Platycodi caulis, semen Cassiae caulis and radix rehmanniae Preparata caulis;
the soil remediation agent is mixed with mixed fermentation broth before use, wherein the mixed fermentation broth contains azotobacter, nitrobacteria and saprophytic bacteria.
In this example, the soil remediation agent is present in a volume ratio of: mixed fermentation broth =1: 0.3.
In this example, the river sand has a particle size of 0.9 mm.
The method for repairing the soil repairing agent specifically comprises the following steps:
(1) weighing radix Isatidis, herba Taraxaci, and caulis et folium Gaultheriae Yunnanensis, pulverizing, adding 10 times of water, soaking, heating to 95 deg.C, maintaining the temperature for 15min, filtering, adding 5 times of water, heating to 95 deg.C, maintaining the temperature for 11min, filtering, and retaining the liquid;
(2) the biomass material is obtained by crushing a biomass raw material to 90 meshes, then decomposing and fermenting, and specifically comprises the following steps:
crushing a biomass raw material, mixing with rotten bacteria and water, rotting shrimps at 65 ℃, and naturally fermenting for 7 days after the rotten shrimps are rotten;
the moisture content of the material after the decomposition is 11%;
(3) weighing livestock and poultry manure, corn straws, river sand, clay minerals, calcium silicate, calcium carbonate, ground phosphate rock, starch, shell powder, a stabilizer and the prepared biomass in the step (2), uniformly mixing, adding the liquid in the step (1), and composting for 8 days;
(4) and (4) granulating and drying the material obtained in the step (3) to obtain the soil remediation agent.
The method for repairing the soil repairing agent specifically comprises the following steps:
(1) turning and finishing the polluted soil, and then adding a repairing agent to the soil, wherein 7kg of the repairing agent is added to each mu of soil;
(2) after the completion, planting rape on the soil;
(3) and (3) detecting the physicochemical property of the soil after the rape flowers reach the harvest period and harvesting the rape, and repeating the steps (1) to (2) until the physicochemical property of the soil meets the requirement.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (8)
1. The soil repairing agent is characterized by comprising the following components in percentage by mass: poultry manure: 10-15 parts of corn straw: 20-30 parts of river sand: 5-10 parts of calcium carbonate: 10-13 parts of ground phosphate rock: 8-11 parts, calcium silicate: 5-8 parts of starch: 5-8 parts of clay mineral: 3-5 parts, biomass: 30-38 parts of shell powder: 10-13 parts of stabilizer: 5-7 parts of isatis root: 0.4-0.8 parts of dandelion: 0.5-0.8 part of Chinese medicinal vine: 0.2-0.4 part;
the biomass comprises at least one of tree branches and barks, fallen leaves, wood chips, paper scraps and hay residues; the clay mineral is a mixture of diatomite, sepiolite and montmorillonite, and the weight ratio of diatomite is as follows: sepiolite: montmorillonite =1:2: 1; the livestock manure is at least one of chicken manure, duck manure and pig manure; the stabilizer is sodium sulfide; the Chinese medicinal rattan comprises radix Platycodi rattan, semen Cassiae rattan and radix rehmanniae Preparata rattan;
the soil remediation agent is mixed with mixed fermentation broth before use, and the mixed fermentation broth contains azotobacter, nitrobacteria and saprophytic bacteria.
2. The soil remediation agent of claim 1, wherein: the repairing agent comprises the following components in percentage by mass: poultry manure: 10 parts, corn stalk: 20 parts, river sand: 5 parts, calcium carbonate: 10 parts of ground phosphate rock: 8 parts, calcium silicate: 5 parts, starch: 5 parts, clay mineral: 3 parts, biomass: 30 parts of shell powder: 10 parts, stabilizer: 5 parts, isatis root: 0.4 part, dandelion: 0.5 part, Chinese medicinal material vine: 0.2 part.
3. The soil remediation agent of claim 1, wherein: the repairing agent comprises the following components in percentage by mass: poultry manure: 15 parts, corn stalk: 30 parts, river sand: 10 parts, calcium carbonate: 13 parts of ground phosphate rock: 11 parts, calcium silicate: 8 parts, starch: 8 parts, clay mineral: 5 parts, biomass: 38 parts of shell powder: 13 parts, stabilizer: 7 parts, isatis root: 0.8 part, dandelion: 0.8 part, Chinese medicinal material vine: 0.4 part.
4. The soil remediation agent of claim 1, wherein: the repairing agent comprises the following components in percentage by mass: poultry manure: 12 parts, corn stalk: 25 parts, river sand: 8 parts, calcium carbonate: 12 parts of ground phosphate rock: 9 parts, calcium silicate: 7 parts of starch: 6 parts, clay mineral: 4 parts, biomass: 35 parts of shell powder: 11 parts, stabilizer: 6 parts, radix isatidis: 0.6 part, dandelion: 0.6 part, Chinese medicinal material vine: 0.3 part.
5. The soil remediation agent of any one of claims 1-4, wherein: the soil remediation agent comprises the following components in percentage by volume: mixed fermentation broth =1: 0.3.
6. The soil remediation agent of claim 5, wherein: the granularity of the river sand is 0.8-1.2 mm.
7. The soil remediation agent of claim 6, wherein the method of remediation specifically comprises the steps of:
(1) weighing radix Isatidis, herba Taraxaci, and Chinese medicinal caulis Spatholobi, pulverizing, adding 10 times of water by weight, soaking, heating to 90-100 deg.C, keeping the temperature for 10-20min, filtering, adding 5 times of water by weight, heating to 90-100 deg.C, keeping the temperature for 10-15min, filtering, and keeping the liquid;
(2) the biomass material is obtained by crushing a biomass raw material to 80-100 meshes, and then decomposing and fermenting, and specifically comprises the following steps:
crushing a biomass raw material, mixing with decomposed bacteria and water, decomposing shrimps at 60-70 ℃, and naturally fermenting for 5-8 days after decomposition;
the moisture content of the material after the decomposition is 10-13%;
(3) weighing livestock and poultry manure, corn straws, river sand, clay minerals, calcium silicate, calcium carbonate, ground phosphate rock, starch, shell powder, a stabilizer and the prepared biomass in the step (2), uniformly mixing, adding the liquid in the step (1), and composting for 7-9 days;
(4) and (4) granulating and drying the material obtained in the step (3) to obtain the soil remediation agent.
8. The method of repairing a soil remediation agent of claim 7, further comprising the steps of:
(1) turning and finishing the polluted soil, and then adding a repairing agent to the soil, wherein 7-8kg of the repairing agent is added to each mu of soil;
(2) after the completion, planting rape on the soil;
(3) and (3) detecting the physicochemical property of the soil after the rape flowers reach the harvest period and harvesting the rape, and repeating the steps (1) to (2) until the physicochemical property of the soil meets the requirement.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909285A (en) * | 2021-09-27 | 2022-01-11 | 生态环境部南京环境科学研究所 | Method for repairing polycyclic aromatic hydrocarbon contaminated soil by combining microorganism bacteria with clay minerals |
| CN115108858A (en) * | 2022-07-20 | 2022-09-27 | 李德发 | Biomass efficient organic fertilizer |
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| CN115108858A (en) * | 2022-07-20 | 2022-09-27 | 李德发 | Biomass efficient organic fertilizer |
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