CN107840721A - A kind of bio-organic fertilizer and its production method for reducing heavy metal content in soil - Google Patents
A kind of bio-organic fertilizer and its production method for reducing heavy metal content in soil Download PDFInfo
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- CN107840721A CN107840721A CN201711290110.6A CN201711290110A CN107840721A CN 107840721 A CN107840721 A CN 107840721A CN 201711290110 A CN201711290110 A CN 201711290110A CN 107840721 A CN107840721 A CN 107840721A
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Classifications
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
A kind of bio-organic fertilizer for being passivated heavy metal-polluted soil, include the component of following parts by weight：20 ~ 30 parts of edible fungi residue, 10 ~ 20 parts of animal wastes, 20 ~ 30 parts of soil modification material, 20 ~ 30 parts of heavy metal passivating material, 5 ~ 10 parts of urea, 5 ~ 10 parts of MAP, 2 ~ 5 parts of trace element fertilizer, 5 ~ 10 parts of compound degradation agent, 5 ~ 10 parts of curing agent；First edible fungi residue is sheared and crushed, dried after being well mixed with animal wastes, add compound degradation agent fermentative degradation, then mixing adds soil modification material, heavy metal passivating material, urea, MAP, trace element fertilizer, curing agent, curing process is carried out, finally extruding is pelletized and is ground into powder.For the present invention using the heavy metal contained originally in heavy metal in heavy metal passivating material passivation organic fertilizer and soil, the organic fertilizer for ensureing to apply will not only cause heavy metal pollution of soil, and being capable of repairing heavy metal in soil pollution；The present invention also technical problems to be solved are to provide the production method of above-mentioned organic fertilizer.
Description
Technical field
The present invention relates to agricultural planting top dressing and the bio-organic fertilizer field of soil remediation, more specifically to one kind
It is passivated the bio-organic fertilizer and its production method of heavy metal-polluted soil.
Background technology
Due to the unreasonable administration of chemical fertilizer, decline soil productivity, heavy metal pollution of soil constantly aggravates.High intensity plantation pair
The improper utilization of agricultural land soil or improper management are to cause China major grain producing area soil organism constantly to decay, under the soil fertility of farmland
The main reason for drop.Nearly 8 years, the per unit area yield of China's grain did not increase significantly, and same period fertilizer amount but adds nearly 40%, chemical fertilizer
Utilization rate there was only 30% or so.According to statistics, the grain yield of per kilogram chemical fertilizer was also reduced to 10kg, mountain by the 34kg of 1978
The eastern part Soils In The Region content of organic matter drops to less than 0.8% via 2% or so, and the Northeast also drops to from 10% or so
Current 1%-2% or so.Chronic administration ammonium nitrate, ammonium phosphate, composite fertilizer, the content of arsenic in soil can be made to reach 50-60 mg/kg.
With the increase for entering heavy metal-polluted soil, effectively content of beary metal can also increase in soil, and the amount that crop absorbs can also increase therewith
It is long that the exceeded phenomenon of crop heavy metal continuously emerges.
There is the serious exceeded event of cadmium, give Hunan rice processing enterprises band in June, 2013, media report, Hunan rice
Carry out tremendous influence, the rice processing enterprises that the place of most serious even has more than 70% are stopped work.BEIJING CHAO-YANG HOSPITAL's occupational disease is with
The malicious medical science head of the department, public health emergency Expert Advisory Committee (EAC) of Ministry of Public Health committee member Hao Fengtong claim, if cadmium reaches in vivo
To higher level, the renal tubule of people is just influenced whether.Renal tubule mainly has reabsorption function, once impaired, many useful east
West excretes also with crude urine, for example calcium, phosphorus are likely to lose, and cause the osteoporosis of human body, " to a certain extent,
Pathologic fracture, osteomalacia even rickets may occur ".
More and more extensive with the use of organic fertilizer, the content of beary metal in soil further increases.It is dynamic in organic fertilizer
Thing excrement contains heavy metal, and soil is entered after fertilising.The heavy metals such as cadmium, arsenic in soil can not natural decomposition, heavy metal
Amount is higher, into higher in crops, only control the absorption of crops heavy metal, could reduce heavy metal in crop
Content.
Heavy metal in soil is mainly to exist with the higher ionic state of activity, is easily accessible in plant.Many researchs
As a result show, the heavy metal of complex state is not easily accessed in plant, if can be by the animal wastes in soil with organic fertilizer
The heavy metal passivation of intermediate ion state, forms complex state, it is possible to substantially reduce the content of heavy metal in crops.
The content of the invention
In view of the deficiencies of the prior art the present invention provide it is a kind of be passivated heavy metal-polluted soil bio-organic fertilizer and its
Production method, the technical problem to be solved in the present invention are using heavy metal and soil in heavy metal passivating material passivation organic fertilizer
The heavy metal that interior script contains, the organic fertilizer for ensureing to apply will not only cause heavy metal pollution of soil, and can repair soil
Earth heavy metal pollution；Using caused bacteria residue in enterprise production process, coordinate the auxiliary such as animal wastes and soil modification material
Raw material, effectively improved while reducing pollution and repair hardened soil；The present invention also technical problems to be solved are to provide above-mentioned
The production method of organic fertilizer.
The concrete technical scheme of the present invention is as follows：
A kind of bio-organic fertilizer for being passivated heavy metal-polluted soil, include the component of following parts by weight：
20 ~ 30 parts of edible fungi residue, 10 ~ 20 parts of animal wastes, 20 ~ 30 parts of soil modification material, heavy metal passivating material 20 ~ 30
Part, 5 ~ 10 parts of urea, 5 ~ 10 parts of MAP, 2 ~ 5 parts of trace element fertilizer, 5 ~ 10 parts of compound degradation agent, 5 ~ 10 parts of curing agent；
First edible fungi residue is sheared and crushed, is dried after being well mixed with animal wastes, adds compound degradation agent fermentative degradation,
Then mixing adds soil modification material, heavy metal passivating material, urea, MAP, trace element fertilizer, curing agent, carries out
Curing process, finally extruding are pelletized and are ground into powder.
Wherein, it is preferably as follows the component of parts by weight：
25 ~ 30 parts of edible fungi residue, 10 ~ 15 parts of animal wastes, 20 ~ 25 parts of soil modification material, heavy metal passivating material 25 ~ 30
Part, 5 ~ 8 parts of urea, 5 ~ 8 parts of MAP, 3 ~ 5 parts of trace element fertilizer, 7 ~ 10 parts of compound degradation agent, 7 ~ 10 parts of curing agent.
Wherein, the edible fungi residue is to refer to after mushroom bacteria residue, pleurotus eryngii bacteria residue, needle mushroom dreg dehydration chopping, and
Mass ratio is 3 after mushroom bacteria residue, pleurotus eryngii bacteria residue, needle mushroom dreg dehydration:2:2.
Wherein, the animal wastes by cow dung just, swine excrement, chicken manure refer to after drying, and cow dung just, swine excrement, chicken
Excrement dries rear part by weight as 4:3:3.
Wherein, the soil modification material is weathered coal, vermiculite, plant ash in mass ratio 3:2:2 combination.
Wherein, the heavy metal passivating material is zeolite, sepiolite, activated carbon, diatomite in mass ratio 3:3:2:2 group
Close.
Wherein, the trace element fertilizer is iron, zinc, molybdenum, boron, manganese in mass ratio 4:2:2:1:1 combination.
Wherein, the compound degradation agent is humic acid, powder of straw, rice bran, dusty yeast in mass ratio 5:3:2:2 combination.
A kind of production method of above-mentioned bio-organic fertilizer for being passivated heavy metal-polluted soil, it comprises the following steps：
（1）It is 0.8 ~ 1.2mm that shearing, which is crushed to fineness, after edible fungi residue is dried, standby；
（2）Animal wastes are well mixed with the heavy metal passivating material of half, after dry or using drying machine drying, it is standby；
（3）By step（1）And step（2）In edible fungi residue and animal wastes mixing, add compound degradation agent, then pour into matter
Amount ratio is 30% ~ 35% water, is stirred using mixer, fermentative degradation 5 ~ 7 days；
（4）Soil modification material, urea, MAP, trace element fertilizer, curing agent and remaining half heavy metal are passivated
Material mixing adds step（3）Half after fermentation stirs into reusing mixer after material, treats its solidification；
（5）By step（4）The material extruding granulation being cured, 2 ~ 2.5mm of particle diameter；
（6）By step（5）The organic fertilizer pelletized is put into grinder and is ground, and is ground into the powder fertilizer of the mesh of 180 mesh ~ 230.
In summary, the invention has the advantages that：
1st, organic fertilizer of the invention takes full advantage of caused bacteria residue and animal wastes in enterprise production process nearby, reduces
Its pollution to surrounding enviroment.
2nd, heavy metal passivating material and animal wastes mixed fermentation are made the huge sum of money in organic fertilizer by organic fertilizer of the invention
Category passivation.
3rd, organic fertilizer of the invention contains heavy metal passivating material, coordinates that soil is material modified to be effectively passivated in soil
Heavy metal, and can improve and repair hardened soil, play disease-resistant, degeneration-resistant effect.
4th, technique for producing organic fertilizer flow of the invention is simple, easy to operate and with short production cycle, and environmental pollution is small, into
This is cheap, and added value of product is high.
Embodiment
Below will the invention will be further described by specific embodiment.
Embodiment 1
A kind of bio-organic fertilizer for being passivated heavy metal-polluted soil, include the component of following parts by weight：
25 ~ 30 parts of edible fungi residue, 10 ~ 15 parts of animal wastes, 20 ~ 25 parts of soil modification material, heavy metal passivating material 25 ~ 30
Part, 5 ~ 8 parts of urea, 5 ~ 8 parts of MAP, 3 ~ 5 parts of trace element fertilizer, 7 ~ 10 parts of compound degradation agent, 7 ~ 10 parts of curing agent；
First edible fungi residue is sheared and crushed, is dried after being well mixed with animal wastes, adds compound degradation agent fermentative degradation,
Then mixing adds soil modification material, heavy metal passivating material, urea, MAP, trace element fertilizer, curing agent, carries out
Curing process, finally extruding are pelletized and are ground into powder.
Embodiment 2
The edible fungi residue is mushroom bacteria residue, the dehydration of pleurotus eryngii bacteria residue, needle mushroom dreg refers to after shredding, and mushroom bacteria residue,
Mass ratio is 3 after pleurotus eryngii bacteria residue, needle mushroom dreg dehydration:2:2；
The animal wastes by cow dung just, swine excrement, chicken manure refer to after drying, and cow dung just, after swine excrement, chicken manure dry
Part by weight is 4:3:3；
The soil modification material is weathered coal, vermiculite, plant ash in mass ratio 3:2:2 combination；
The heavy metal passivating material is zeolite, sepiolite, activated carbon, diatomite in mass ratio 3:3:2:2 combination；
The trace element fertilizer is iron, zinc, molybdenum, boron, manganese in mass ratio 4:2:2:1:1 combination；
The compound degradation agent is humic acid, powder of straw, rice bran, dusty yeast in mass ratio 5:3:2:2 combination.
Embodiment 3
The production method of organic fertilizer is as follows in embodiment：
（1）It is 0.8 ~ 1.2mm that shearing, which is crushed to fineness, after edible fungi residue is dried, standby；
（2）Animal wastes are well mixed with the heavy metal passivating material of half, after dry or using drying machine drying, it is standby；
（3）By step（1）And step（2）In edible fungi residue and animal wastes mixing, add compound degradation agent, then pour into matter
Amount ratio is 30% ~ 35% water, is stirred using mixer, fermentative degradation 5 ~ 7 days；
（4）Soil modification material, urea, MAP, trace element fertilizer, curing agent and remaining half heavy metal are passivated
Material mixing adds step（3）Half after fermentation stirs into reusing mixer after material, treats its solidification；
（5）By step（4）The material extruding granulation being cured, 2 ~ 2.5mm of particle diameter；
（6）By step（5）The organic fertilizer pelletized is put into grinder and is ground, and is ground into the powder fertilizer of the mesh of 180 mesh ~ 230.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the design of the present invention
It is defined with scope.On the premise of design concept of the present invention is not departed from, technical side of the ordinary people in the field to the present invention
The all variations and modifications that case is made, all should drop into protection scope of the present invention, the claimed technology contents of the present invention,
Through all recording in detail in the claims.
Claims (9)
1. a kind of bio-organic fertilizer for being passivated heavy metal-polluted soil, it is characterised in that include the component of following parts by weight：
20 ~ 30 parts of edible fungi residue, 10 ~ 20 parts of animal wastes, 20 ~ 30 parts of soil modification material, heavy metal passivating material 20 ~ 30
Part, 5 ~ 10 parts of urea, 5 ~ 10 parts of MAP, 2 ~ 5 parts of trace element fertilizer, 5 ~ 10 parts of compound degradation agent, 5 ~ 10 parts of curing agent；
First edible fungi residue is sheared and crushed, is dried after being well mixed with animal wastes, adds compound degradation agent fermentative degradation,
Then mixing adds soil modification material, heavy metal passivating material, urea, MAP, trace element fertilizer, curing agent, carries out
Curing process, finally extruding are pelletized and are ground into powder.
2. a kind of bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, it is characterised in that including as follows
The component of parts by weight：
25 ~ 30 parts of edible fungi residue, 10 ~ 15 parts of animal wastes, 20 ~ 25 parts of soil modification material, heavy metal passivating material 25 ~ 30
Part, 5 ~ 8 parts of urea, 5 ~ 8 parts of MAP, 3 ~ 5 parts of trace element fertilizer, 7 ~ 10 parts of compound degradation agent, 7 ~ 10 parts of curing agent.
A kind of 3. bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, it is characterised in that：It is described edible
Bacterium bacteria residue is mushroom bacteria residue, the dehydration of pleurotus eryngii bacteria residue, needle mushroom dreg refers to after shredding, and mushroom bacteria residue, pleurotus eryngii bacteria residue, gold
Mass ratio is 3 after the dehydration of pin mushroom slag:2:2.
A kind of 4. bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, it is characterised in that：The animal
Excrement by cow dung just, swine excrement, chicken manure refer to after drying, and cow dung just, swine excrement, chicken manure dry rear part by weight as 4:
3:3。
A kind of 5. bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, it is characterised in that：The soil
Material modified is weathered coal, vermiculite, plant ash in mass ratio 3:2:2 combination.
A kind of 6. bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, it is characterised in that：The huge sum of money
Category passivating material is zeolite, sepiolite, activated carbon, diatomite in mass ratio 3:3:2:2 combination.
A kind of 7. bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, it is characterised in that：It is described micro
Element fertilizer is iron, zinc, molybdenum, boron, manganese in mass ratio 4:2:2:1:1 combination.
A kind of 8. bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, it is characterised in that：It is described compound
Degradation agent is humic acid, powder of straw, rice bran, dusty yeast in mass ratio 5:3:2:2 combination.
9. a kind of production method of bio-organic fertilizer for being passivated heavy metal-polluted soil according to claim 1, its feature exist
In comprising the following steps：
（1）It is 0.8 ~ 1.2mm that shearing, which is crushed to fineness, after edible fungi residue is dried, standby；
（2）Animal wastes are well mixed with the heavy metal passivating material of half, after dry or using drying machine drying, it is standby；
（3）By step（1）And step（2）In edible fungi residue and animal wastes mixing, add compound degradation agent, then pour into matter
Amount ratio is 30% ~ 35% water, is stirred using mixer, fermentative degradation 5 ~ 7 days；
（4）Soil modification material, urea, MAP, trace element fertilizer, curing agent and remaining half heavy metal are passivated
Material mixing adds step（3）Half after fermentation stirs into reusing mixer after material, treats its solidification；
（5）By step（4）The material extruding granulation being cured, 2 ~ 2.5mm of particle diameter；
（6）By step（5）The organic fertilizer pelletized is put into grinder and is ground, and is ground into the powder fertilizer of the mesh of 180 mesh ~ 230.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290110.6A CN107840721A (en) | 2017-12-08 | 2017-12-08 | A kind of bio-organic fertilizer and its production method for reducing heavy metal content in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290110.6A CN107840721A (en) | 2017-12-08 | 2017-12-08 | A kind of bio-organic fertilizer and its production method for reducing heavy metal content in soil |
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| CN107840721A true CN107840721A (en) | 2018-03-27 |
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| CN201711290110.6A Pending CN107840721A (en) | 2017-12-08 | 2017-12-08 | A kind of bio-organic fertilizer and its production method for reducing heavy metal content in soil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020653A (en) * | 2018-10-15 | 2018-12-18 | 营口裕丰生物科技有限公司 | A kind of rice bio-organic fertilizer special material |
| CN110283596A (en) * | 2019-05-14 | 2019-09-27 | 四川农业大学 | A kind of passivator and restorative procedure for in-situ immobilization soil heavy metal cadmium |
| CN110590475A (en) * | 2019-10-15 | 2019-12-20 | 徐州快邦生物科技开发有限公司 | Biological organic fertilizer |
| CN112125721A (en) * | 2020-09-07 | 2020-12-25 | 安徽省尚书生态农业科技有限公司 | Preparation method of organic fertilizer capable of passivating soil heavy metals |
| CN115353430A (en) * | 2022-08-26 | 2022-11-18 | 河南德邻生物制品有限公司 | Additive for passivating heavy metals in livestock and poultry manure and using method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696136A (en) * | 2009-11-05 | 2010-04-21 | 湖南农业大学 | Passivating agent for reducing bioavailability of heavy metals in livestock waste compost and using method thereof |
| CN102206118A (en) * | 2011-03-10 | 2011-10-05 | 山东省农业科学院农业资源与环境研究所 | Nuisanceless organic fertilizer prepared from edible fungus slag, preparation method thereof and application thereof |
| CN102260121A (en) * | 2011-05-24 | 2011-11-30 | 河南天宇肥业有限公司 | Edible fungus dreg biological organic fertilizer and preparation method thereof |
| CN103408334A (en) * | 2013-07-30 | 2013-11-27 | 湖北中化东方肥料有限公司 | Biological-organic fertilizer capable of passivating soil heavy metals and preparation method thereof |
-
2017
- 2017-12-08 CN CN201711290110.6A patent/CN107840721A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696136A (en) * | 2009-11-05 | 2010-04-21 | 湖南农业大学 | Passivating agent for reducing bioavailability of heavy metals in livestock waste compost and using method thereof |
| CN102206118A (en) * | 2011-03-10 | 2011-10-05 | 山东省农业科学院农业资源与环境研究所 | Nuisanceless organic fertilizer prepared from edible fungus slag, preparation method thereof and application thereof |
| CN102260121A (en) * | 2011-05-24 | 2011-11-30 | 河南天宇肥业有限公司 | Edible fungus dreg biological organic fertilizer and preparation method thereof |
| CN103408334A (en) * | 2013-07-30 | 2013-11-27 | 湖北中化东方肥料有限公司 | Biological-organic fertilizer capable of passivating soil heavy metals and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 孙翠平等: "农田重金属钝化剂研究进展", 《山东农业科学》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020653A (en) * | 2018-10-15 | 2018-12-18 | 营口裕丰生物科技有限公司 | A kind of rice bio-organic fertilizer special material |
| CN110283596A (en) * | 2019-05-14 | 2019-09-27 | 四川农业大学 | A kind of passivator and restorative procedure for in-situ immobilization soil heavy metal cadmium |
| CN110283596B (en) * | 2019-05-14 | 2020-06-30 | 四川农业大学 | Passivator for in-situ remediation of soil heavy metal cadmium and remediation method |
| CN110590475A (en) * | 2019-10-15 | 2019-12-20 | 徐州快邦生物科技开发有限公司 | Biological organic fertilizer |
| CN112125721A (en) * | 2020-09-07 | 2020-12-25 | 安徽省尚书生态农业科技有限公司 | Preparation method of organic fertilizer capable of passivating soil heavy metals |
| CN115353430A (en) * | 2022-08-26 | 2022-11-18 | 河南德邻生物制品有限公司 | Additive for passivating heavy metals in livestock and poultry manure and using method and application thereof |
| CN115353430B (en) * | 2022-08-26 | 2023-08-25 | 河南德邻生物制品有限公司 | Additive for passivating heavy metals in livestock and poultry manure, and use method and application thereof |
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Application publication date: 20180327 |