CN106187402A - A kind of soil fall cadmium dedicated fertilizer and preparation method thereof - Google Patents
A kind of soil fall cadmium dedicated fertilizer and preparation method thereof Download PDFInfo
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- CN106187402A CN106187402A CN201610474070.XA CN201610474070A CN106187402A CN 106187402 A CN106187402 A CN 106187402A CN 201610474070 A CN201610474070 A CN 201610474070A CN 106187402 A CN106187402 A CN 106187402A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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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
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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
- C05G3/80—Soil conditioners
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- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
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- Inorganic Chemistry (AREA)
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Abstract
The invention provides a kind of soil fall cadmium dedicated fertilizer and preparation method thereof, the main component of this fertilizer includes expanded vermiculite powder, distiller grains, barnyard manure, straw, chicken manure, microorganism and plant ash；By using alkaline fertilizer plant ash, cadmium is had certain passivation；Use the floras such as the yeast in Aspergillus niger and distiller grains to cooperate, possess extraordinary every passivation effect；Add expanded vermiculite powder, microorganism species is had certain slow release effect, promote the effective time of fertilizer, the most also cadmium is had certain adsorption effect.The fertilizer of the present invention and the preparation method of fertilizer can greatly reduce the content of effective cadmium in soil, reduce the plant absorption to cadmium, thus reach the effect of soil fall cadmium.
Description
Technical field
The present invention relates to technical field of fertilizers, it particularly relates to a kind of soil fall cadmium dedicated fertilizer and preparation method thereof.
Background technology
Cadmium is one of heavy metal element that toxicity is the strongest, endangers and serious.China there are about 1.4*106 hectare arable land and is subject to
Cadmium pollution in various degree, 25 areas of 11 provinces and cities of design, have a strong impact on soil, the sustainable use of water body and farming animals and produced
The safety of product.The most effectively administer a pollution amelioration ecological environment, be a problem of whole society's highest attention.
The approach of environmental danger is mainly had by Cadmium Pollution in Soils: is 1. permeated downwards by rain, and then causes
Underground water pollution；2. cadmium pollution soil is exposed, is absorbed by human or animal directly or indirectly by forms such as soil particle things；
3. external environmental condition change such as acid rain, the bioavailability of the factor such as some soil additive raising Cadmium in Soil is applied,
Make cadmium easily be absorbed and used by plants and enter food chain, the biological generation on food chain is poisoned.
Traditional contaminated soil remediation method has soil moved in improve the original method, chemical flush method, electrochemical process etc..In recent years, plant is utilized
The phytoremediation technology carrying out in-situ immobilization contaminated soil has small investment, not damage field ground structure, does not cause subsoil water secondary dirty
The advantages such as dye, are acknowledged as a kind of reliable and eco-friendly technology.
Chinese invention patent CN103521511A discloses a kind of method utilizing turfgrass restoration of the ecosystem cadmium pollution soil,
The method, by screening the Bermuda grass of resistance to cadmium, then carries out restoration of the ecosystem to the soil of cadmium pollution, but the method is necessary
Make soil plant Bermuda grass, only can meet greening needs, reduce the economic benefit of soil, for improving the warp of cadmium pollution soil
Ji benefit and social benefit, it is necessary to a kind of cadmium pollution dedicated fertilizer of research and development.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of soil fall cadmium dedicated fertilizer and preparation method thereof, the method is big
Improve greatly the adsorption effect to cadmium, prevent cadmium from passing through food chain, the biological generation on food chain is endangered.
A kind of soil fall cadmium dedicated fertilizer, by weight, including following Main Ingredients and Appearance:
Distiller grains 15-25%
Chicken manure 3-5%
Barnyard manure 5-10%
Plant ash 25-40%
Microorganism 2-5%
Expanded vermiculite powder 2-5%
Straw surplus.
Preferably, the particle diameter of described expanded vermiculite powder is 50-200 μm.
Preferably, described microorganism is Aspergillus niger microbial inoculum.
Preferably, the preparation method of described aspergillus niger microbial inoculum is: takes aspergillus niger strain, is dissolved in the water, obtained
Liquid join mix homogeneously in the mixed solution of potassium chloride and calcium hydroxide, obtain aspergillus niger microbial inoculum；
Zhang Liangliang, Fan little Lin, Zhang Lidan, Liu Fang. the alkaline fertilizer impact [J] on paddy soil and Cd concentration of brown rice. should
With Acta Ecologica Sinica, 2016, (the 3rd phase).With alkaline compound fertilizer as material, carry out field district test in Chenzhou, Hunan Province pine and cypress village,
Have studied alkaline compound fertilizer and with microbial bacterial agent compounding application on paddy soil and the impact of Cd concentration of brown rice. result table
Bright: the soil more conventional soil fertility quality of effective cadmium content that rice plant of tillering stage, pustulation period and harvest time, alkaline fertilizer processed drops respectively
Low by 8.3%, 6.7% and 16.4%. alkaline fertilizer harvest time process and reduce 7.2% before soil effective cadmium content relatively rice transplanting, and
Common fertilizer processes and but adds 11.0%. and join and execute microbial bacterial agent and make the effective cadmium of soil add 1.2%～23.3%. with often
Rule soil fertility quality is compared, and alkaline fertilizer process root system, stem sheath, blade, seed, Cd concentration of brown rice significantly reduce, and reduce respectively
54.9%, 56.6%, 41.8%, 62.7%, 67.6%. join when executing with microbial bacterial agent, alkaline fertilizer processes Cd concentration of brown rice
But increase 63.2%. to show to use alkaline fertilizer and can significantly reduce the effectiveness of Cadmium in Soil and each organ of Oryza sativa L. and rice cadmium contains
Amount, alkaline fertilizer and microbial bacterial agent are joined and are executed, and weaken its reducing effect to Cd concentration of brown rice.
And the present invention uses the plant ash of alkalescence and microbial cooperation have obtained diametrically opposite with above-mentioned experiment
Experimental result.
Distiller grains, another name red wine dregs, fermented grain grain, dregs of rice etc., be remaining residue after the wine brewing such as rice, wheat, Sorghum vulgare Pers..Distiller grains are wine brewing
During direct leftover bits and pieces, it does not contain only a certain proportion of grain can save feed cattle concentrate, it is possibly together with abundant
Crude protein, about exceeds 2-3 times of Semen Maydis content, simultaneously possibly together with various trace elements, vitamin, yeast etc., lysine, egg
The content of propylhomoserin and tryptophan is the highest, and this is that agricultural crop straw is not provided that.Distiller grains are all fermented rear high temperature steamings
Rear formation, so its crude fiber content is relatively low.
Barnyard manure is livestock waste and gasket materials, feedstuff stubble mixed-stacking the fertilizer through microbial action.Rich
Containing organic and various nutrients.In various domestic animals manures, high with the nitrogen of sheep stool, phosphorus, potassium content, pig, horsehit take second place, and cattle manure is
Low；Excretion then cattle manure is most, and pig, horse class are taken second place, and sheep stool is minimum.Gasket materials has straw, weeds, fallen leaves, peat and dry ground
Deng.Barnyard manure divides circle inner product system (absorbing fecaluria in gasket materials is directly sprinkled into colony house) and circle apposition system (to be cleared out by domestic animal fecaluria
Colony house is outer and gasket materials is successively piled up).Through disliking edema caused by disorder of QI solution to become thoroughly decomposed.During long-pending system, its chemical constituent is acted on by microorganism
And change.
The effect of barnyard manure:
1. plant nutrient is provided.Including required a great number of elements nitrogen, phosphorus, potassium, calcium, magnesium, sulfur and trace elements iron, manganese, boron,
The inorganic nutrients such as zinc, molybdenum, copper；Organic nutrient and active substance such as vitamin B1, the B6 etc. such as aminoacid, amide, nucleic acid.Keep supporting
The relative equilibrium divided.
2. the effectiveness of soil nutrient is improved.Containing a large amount of microorganisms and various enzyme (protease, urase, phosphorylation in barnyard manure
Enzyme), promote organic nitrogen, phosphorus to become inorganic states, for Crop.And the formation such as calcium in soil, magnesium, ferrum, aluminum can be made to stablize network
Compound, reduces phosphorus fixation, improves available phosphorus content.
3. Soil structure is improved.Humus colloid promotes that soil aggregate is formed, and reduces unit weight, improves the penetrating of soil
Property, coordinate water, gas contradiction.Resiliency and the improvement poison field, ore deposit of soil can also be improved.
4. culture fertility, improves the fertilizer conservation of soil, moisture holding capacity.Barnyard manure is mainly used as base manure after becoming thoroughly decomposed.Supporting of fresh manure
Dividing and mostly be organic, carbon-nitrogen ratio (C/N) value is big, should not directly use, especially can not directly apply rice terrace.
Vermiculitum is the secondary metamorphic mineral of water aluminosilicate containing magnesium of a kind of layer structure, like Muscovitum outside raw ore, generally by
Black (golden) Muscovitum forms through hydrothermal alteration effect or air slaking, because of its be heated dehydration expand time in flexure shape, form exactly likes Hirudo, therefore
Claim Vermiculitum.Fabric and raw-vermiculite sheet is after high-temperature roasting, and its volume energy expands rapidly several times to tens times, and the Vermiculitum after volumetric expansion is just
It is expanded vermiculite.Vermiculitum can be used as soil conditioner, owing to it has good cation commutativity and adsorptivity, can improve soil
The structure of earth, water storage preserves soil moisture, and improves breathability and the property of water-bearing of soil, makes acid ground become neutral soil；Vermiculitum also can rise
To cushioning effect, hinder the rapid change of pH value, make fertilizer slowly discharge in plant growth medium, and allow the most excessively to make
With fertilizer, plant is safe from harm；Vermiculitum also can to crop provide K, Mg, Ca, the Fe that self contain and the Mn of trace, Cu,
The elements such as Zn.The water absorption of Vermiculitum, cation commutativity and properties of chemical composition so that it is play fertilizer conservation, water conservation, water storage, breathe freely
With multiple actions such as mineral fertilizers.Test shows: is mixed in compound fertilizer by the expanded vermiculite of 0.5-1%, can make crop yield
Improve 15-20%.
Straw is the general name of ripe crops stem and leaf (fringe) part.It is often referred to Semen Tritici aestivi, Oryza sativa L., Semen Maydis, potato class, Brassica campestris L, cotton
Flower, Caulis Sacchari sinensis and other crops (usually coarse grain) remainder after results seed.The photosynthetic product of crops has
More than half is present in straw, straw rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter etc., be one have multiduty can be again
Raw living resources, straw is also a kind of roughage.Feature is that crude fiber content is high (30%-40%), and containing lignin etc..
Though lignocellulose can not be utilized by pig, chicken, but can be absorbed by domestic animals such as ruminant cattle, sheep and utilize.
The preparation method of a kind of soil fall cadmium dedicated fertilizer, comprises the following steps:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, after stirring, carry out fermentation 8-15 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer.
The preparation method of soil provided by the present invention fall cadmium dedicated fertilizer, one is to use alkaline fertilizer plant ash, to cadmium
There is certain passivation；Two is to use the floras such as yeast in Aspergillus niger and distiller grains to cooperate, possess extraordinary every
Passivation effect；Three is to add expanded vermiculite powder, has certain slow release effect to microorganism species, promotes the effective time of fertilizer,
The most also cadmium is had certain adsorption effect.In sum, the fertilizer of the present invention and the preparation method of fertilizer can greatly drop
The content of effective cadmium in low soil, reduces the plant absorption to cadmium, thus reaches the effect of soil fall cadmium.
Detailed description of the invention
Below embodiment, labor further to the present invention:
Embodiment 1
The preparation method of a kind of soil fall cadmium dedicated fertilizer, is carried out as steps described below:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, carry out after stirring fermenting 12 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer.
The particle diameter of described expanded vermiculite powder is 50-200 μm.
Described soil fall cadmium dedicated fertilizer, by weight, including following Main Ingredients and Appearance:
Distiller grains 20%
Chicken manure 4%
Barnyard manure 8%
Plant ash 35%
Microorganism 3%
Expanded vermiculite powder 4%
Straw surplus.
Described microorganism is aspergillus niger microbial inoculum；
The preparation method of described aspergillus niger microbial inoculum is: takes aspergillus niger strain, is dissolved in the water, obtained liquid is added
Enter mix homogeneously in the mixed solution of potassium chloride and calcium hydroxide, obtain aspergillus niger microbial inoculum.
Embodiment 2
The preparation method of a kind of soil fall cadmium dedicated fertilizer, is carried out as steps described below:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, carry out after stirring fermenting 15 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer.
The particle diameter of described expanded vermiculite powder is 50-200 μm.
Described soil fall cadmium dedicated fertilizer, by weight, including following Main Ingredients and Appearance:
Distiller grains 15%
Chicken manure 3%
Barnyard manure 8%
Plant ash 30%
Microorganism 2%
Expanded vermiculite powder 5%
Straw surplus.
Described microorganism is aspergillus niger microbial inoculum；
The preparation method of described aspergillus niger microbial inoculum is: takes aspergillus niger strain, is dissolved in the water, obtained liquid is added
Enter mix homogeneously in the mixed solution of potassium chloride and calcium hydroxide, obtain aspergillus niger microbial inoculum.
Embodiment 3
The preparation method of a kind of soil fall cadmium dedicated fertilizer, is carried out as steps described below:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, carry out after stirring fermenting 8 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer.
The particle diameter of described expanded vermiculite powder is 50-200 μm.
Described soil fall cadmium dedicated fertilizer, by weight, including following Main Ingredients and Appearance:
Distiller grains 15%
Chicken manure 3%
Barnyard manure 5%
Plant ash 40%
Microorganism 2%
Expanded vermiculite powder 5%
Straw surplus.
Described microorganism is aspergillus niger microbial inoculum；
The preparation method of described aspergillus niger microbial inoculum is: takes aspergillus niger strain, is dissolved in the water, obtained liquid is added
Enter mix homogeneously in the mixed solution of potassium chloride and calcium hydroxide, obtain aspergillus niger microbial inoculum.
Embodiment 4
The preparation method of a kind of soil fall cadmium dedicated fertilizer, is carried out as steps described below:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, carry out after stirring fermenting 12 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer.
The particle diameter of described expanded vermiculite powder is 50-200 μm.
Described soil fall cadmium dedicated fertilizer, by weight, including following Main Ingredients and Appearance:
Distiller grains 22%
Chicken manure 3%
Barnyard manure 7%
Plant ash 25%
Microorganism 4%
Expanded vermiculite powder 3%
Straw surplus.
Described microorganism is aspergillus niger microbial inoculum；
The preparation method of described aspergillus niger microbial inoculum is: takes aspergillus niger strain, is dissolved in the water, obtained liquid is added
Enter mix homogeneously in the mixed solution of potassium chloride and calcium hydroxide, obtain aspergillus niger microbial inoculum.
Embodiment 5
The preparation method of a kind of soil fall cadmium dedicated fertilizer, is carried out as steps described below:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, carry out after stirring fermenting 8 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer.
The particle diameter of described expanded vermiculite powder is 50-200 μm.
Described soil fall cadmium dedicated fertilizer, by weight, including following Main Ingredients and Appearance:
Distiller grains 17%
Chicken manure 3%
Barnyard manure 10%
Plant ash 35%
Microorganism 2%
Expanded vermiculite powder 3%
Straw surplus.
Described microorganism is aspergillus niger microbial inoculum；
The preparation method of described aspergillus niger microbial inoculum is: takes aspergillus niger strain, is dissolved in the water, obtained liquid is added
Enter mix homogeneously in the mixed solution of potassium chloride and calcium hydroxide, obtain aspergillus niger microbial inoculum.
By the fertilizer application of embodiment 1-5 in Chinese cabbage growth test, and fertilizer in embodiment 1 is replaced with answering of routine
Hefei (N: P2O5∶K2O=15: 15: 15), as a control group, follow-up field management, 6 pieces of ground keep consistent, during results, measuring and calculating
The content of cadmium in Chinese cabbage.
| Group | Cadmium content (mg/kg) |
| Embodiment 1 | 0.072 |
| Embodiment 2 | 0.081 |
| Embodiment 3 | 0.075 |
| Embodiment 4 | 0.082 |
| Embodiment 5 | 0.074 |
| Matched group | 0.45 |
Comparative example 1
Being removed by expanded vermiculite powder in embodiment 1, remaining preparation condition is different, obtains fertilizer, and is used in white
Colza is planted, and planting conditions is same as in Example 1, obtains following per mu yield data:
| Group | Cadmium content (mg/kg) |
| Embodiment 1 | 0.072 |
| Comparative example 1 | 0.18 |
| Matched group | 0.45 |
By comparative example 1 it is recognised that under conditions of being added without expanded vermiculite powder, the effect of fertilizer fall cadmium drops significantly
Low, the Chinese cabbage that single is planted still can meet Standard (less than 0.2mg/kg).
Comparative example 2
Being removed by aspergillus niger microbial inoculum in embodiment 1, remaining preparation condition is different, obtains fertilizer, and is used in white
Colza is planted, and planting conditions is same as in Example 1, obtains following per mu yield data:
| Group | Cadmium content (mg/kg) |
| Embodiment 1 | 0.072 |
| Comparative example 2 | 0.35 |
| Matched group | 0.45 |
By comparative example 2 it is recognised that under conditions of being added without aspergillus niger microbial inoculum, the effect of fertilizer fall cadmium drops significantly
Low, cannot meet Standard.
Comparative example 3
Being removed by distiller grains in embodiment 1, remaining preparation condition is different, obtains fertilizer, and is used in Chinese cabbage plantation,
Planting conditions is same as in Example 1, obtains following per mu yield data:
| Group | Cadmium content (mg/kg) |
| Embodiment 1 | 0.072 |
| Comparative example 3 | 0.22 |
| Matched group | 0.45 |
By comparative example 3 it is recognised that under conditions of being added without distiller grains, the effect of fertilizer fall cadmium is substantially reduced,
Through Standard cannot be met.
By comparative example 1-3 it is recognised that drops cadmium in the present invention is mainly composed of aspergillus niger microbial inoculum, but it is simply added into
Aspergillus niger microbial inoculum is unable to reach optimal fall cadmium effect, is only simultaneously introduced aspergillus niger microbial inoculum, distiller grains and expanded vermiculite powder ability
Reach optimal fall cadmium effect.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (6)
1. soil fall cadmium dedicated fertilizer, it is characterised in that include the composition of following percentage by weight:
Distiller grains 15-25%
Chicken manure 3-5%
Barnyard manure 5-10%
Plant ash 25-40%
Microorganism 2-5%
Expanded vermiculite powder 2-5%
Straw surplus.
Soil the most according to claim 1 fall cadmium dedicated fertilizer, it is characterised in that described microorganism is Aspergillus niger
Agent.
Soil the most according to claim 2 fall cadmium dedicated fertilizer, it is characterised in that the preparation side of described aspergillus niger microbial inoculum
Method is: takes aspergillus niger strain, is dissolved in the water, and obtained liquid is joined in the mixed solution of potassium chloride and calcium hydroxide
Mix homogeneously, obtains aspergillus niger microbial inoculum.
Soil the most according to claim 1 fall cadmium dedicated fertilizer, it is characterised in that the particle diameter of described expanded vermiculite powder is
50-200μm。
5. the preparation method of a soil fall cadmium dedicated fertilizer, it is characterised in that comprise the following steps:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, after stirring, carry out fermentation 8-15 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer.
6. the preparation method of a soil fall cadmium dedicated fertilizer, it is characterised in that comprise the following steps:
A, distiller grains, chicken manure, barnyard manure and straw are put in blender, stir；
After B, taking-up, microorganism is added water and be sprayed onto in above fertilizer, carry out after stirring fermenting 12 days；
C, will fermentation after fertilizer put in blender, be sequentially added into expanded vermiculite powder and plant ash, stir；
D, dry, pelletize, obtain soil fall cadmium dedicated fertilizer；
Described soil fall cadmium dedicated fertilizer, by weight, including following Main Ingredients and Appearance:
Distiller grains 20%
Chicken manure 4%
Barnyard manure 8%
Plant ash 35%
Microorganism 3%
Expanded vermiculite powder 4%
Straw surplus；
The particle diameter of described expanded vermiculite powder is 50-200 μm；
Described microorganism is aspergillus niger microbial inoculum；
The preparation method of described aspergillus niger microbial inoculum is: takes aspergillus niger strain, is dissolved in the water, obtained liquid is joined
Mix homogeneously in the mixed solution of potassium chloride and calcium hydroxide, obtains aspergillus niger microbial inoculum.
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| RU2663986C2 (en) * | 2016-12-22 | 2018-08-14 | Александр Васильевич Кошмар | Method of obtaining fertilizer from poultry droppings |
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| CN110683886A (en) * | 2019-10-16 | 2020-01-14 | 湖南杂交水稻研究中心 | Fertilizer capable of reducing heavy metal cadmium pollution of rice and application thereof |
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| CN112759462A (en) * | 2021-02-04 | 2021-05-07 | 湖北绿道农业发展有限公司 | Bio-organic fertilizer for improving cadmium pollution of soil and preparation method thereof |
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| US20220388921A1 (en) * | 2021-06-02 | 2022-12-08 | Caete Participação E Administraçäo Eirelli | Disaggregable granulated calcium and/or magnesium and potassium fertilizer and method of obtaining thereof |
| CN115521878A (en) * | 2022-05-20 | 2022-12-27 | 湖南农业大学 | Treatment method for removing cadmium in polluted biomass by using aspergillus niger |
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| CN107512957A (en) * | 2017-09-27 | 2017-12-26 | 界首市沃土生物科技有限公司 | A kind of cadmium pollution soil rice cultivation composite fertilizer |
| CN108440200A (en) * | 2018-05-09 | 2018-08-24 | 峨眉山市瑞丰生物科技有限责任公司 | A kind of organic regulating acid agent of soil |
| CN110683886A (en) * | 2019-10-16 | 2020-01-14 | 湖南杂交水稻研究中心 | Fertilizer capable of reducing heavy metal cadmium pollution of rice and application thereof |
| CN112442378A (en) * | 2020-12-02 | 2021-03-05 | 青岛科技大学 | Adsorbent for heavy metal contaminated soil and preparation method and application thereof |
| CN112759462A (en) * | 2021-02-04 | 2021-05-07 | 湖北绿道农业发展有限公司 | Bio-organic fertilizer for improving cadmium pollution of soil and preparation method thereof |
| US20220388921A1 (en) * | 2021-06-02 | 2022-12-08 | Caete Participação E Administraçäo Eirelli | Disaggregable granulated calcium and/or magnesium and potassium fertilizer and method of obtaining thereof |
| CN113387751A (en) * | 2021-07-30 | 2021-09-14 | 湖南省朴诚环保科技有限公司 | Alkaline functional fertilizer and preparation method and application thereof |
| CN115521878A (en) * | 2022-05-20 | 2022-12-27 | 湖南农业大学 | Treatment method for removing cadmium in polluted biomass by using aspergillus niger |
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Application publication date: 20161207 |