CN106278705A - A kind of alkaline land improving fertilizer special for organic and its preparation method and application - Google Patents
A kind of alkaline land improving fertilizer special for organic and its preparation method and application Download PDFInfo
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- CN106278705A CN106278705A CN201610600155.8A CN201610600155A CN106278705A CN 106278705 A CN106278705 A CN 106278705A CN 201610600155 A CN201610600155 A CN 201610600155A CN 106278705 A CN106278705 A CN 106278705A
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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Abstract
The invention discloses a kind of alkaline land improving fertilizer special for organic and its preparation method and application, described fertilizer includes the edible oil and fat decolouring spent bleaching clay of more than 90%.More specifically, described fertilizer consists of the following components in percentage by weight: edible oil and fat decolouring spent bleaching clay 90% 92%, middle trace element 1% 6%, alkaline land improving material 2% 9%；Described middle trace element consists of the following components in percentage by weight: potassium sulfate 35～65%, ammonium sulfate 30～60%, zinc sulfate 1～4%, Borax 0.5～2%；Described alkaline land improving material consists of the following components in percentage by weight: desulfurization gypsum powder 70～100%, sofril 0～30%.The combination of organic manure of the present invention is reasonable, uses simple, by applied once, provides the nutritional labeling required for plant growth and trace element while conditioning P in soil H-number and saline and alkaline.
Description
Technical field
The invention belongs to technical field of fertilizers, be specifically related to a kind of alkaline land improving fertilizer special for organic and preparation method thereof and
Application.
Background technology
Alkaline earth refers to that quantity reaches to endanger the journey of plant growing and growth containing a large amount of exchangeable sodium ions in soil
Degree, and make the soil that soil property changes.Solonchak refers to that in soil, soluble organic fraction content reaches to a certain degree, it is possible to planting
The g and D of thing produces the great soil group of substantially harm.In actual state, solonchak is the most common with alkaline earth
Exist, be referred to as saline-alkali soil.
Basic soil due to sodium carbonate and the existence of sodium bicarbonate in commutativity sodium ion, the soil liquid on soil micelle,
And cause alkalization of soils (pH value can reach more than 9), make soil produce bad physical characteristic.
Existing modification method is as follows:
1, chemical modifying: be aiming at the chemical characteristic of soil, uses soil conditioner, is chemically changed
Good.One is to increase calcium ion in soil, to displace the sodium ion on soil micelle；Two is to impose acid chemical, with hydrogen
Ion sweetening of the soil alkalescence.Conventional modifying agent has: solubility calcium salt (CaCl2·2H2O、CaSO4·2H2O and low soluble
Limestone), acids with become acids chemical substance (S, H2SO4、FeSO4·7H O、Al2(SO4)3·18H2O, CaS etc.), Yi Jiyi
A little industry byproduct such as phosphatic manure manufacturing side-product ardealite, the gangues etc. of coal field；Then suitable mineral are applied
Property chemical fertilizer, supplement the content of the element such as Nitrogen In Soils, phosphorus, potassium, ferrum, play the effect improved the soil.
2, physically improved: to level land, add deep plough level, reduce water level, the year by year desalinization of soil by flooding or leaching/alkali.
3, fertilizer improvement: execute farm manure and organic matter, strengthens the affine performance of soil more.
4, biological modification: plant alkaline-resisting crop, lateral dominance limit is transformed.
The kind of soil conditioner has a following selection:
1, mineral substance: mainly have peat, the peat composed of rotten mosses, brown coal, weathered coal, Gypsum Fibrosum, Vermiculitum, zeolite, perlite, meerschaum etc.,
Being mainly used in the regulation of soil aggregate and soda acid, part kind easily causes time Sal harm.
2, organic: mainly to have stalk, polysaccharide material, cellulose substances, lignin material and resin glue material, food
Grass animal wastes and post straw decomposing are optimal, can manually add useful microbial inoculum and become thoroughly decomposed.
3, synthetic macromolecular compound: mainly have a polyacrylic, vinyl acetate Malaysia acids and polyvinyl alcohol,
Apply as water-retaining agent.
4, effective microorganism preparation: be divided into active bacteria formulation, dormancy bacteria preparation, probiotics humic acid complexing agent in production.Make
By effect: regulate acid-base balance, optimizing soil aggregate, deep ploughing is loosened the soil, and releasing is hardened, and releases salt damage, suppresses cause of disease pathogenic bacteria
Growth, improves utilization rate of fertilizer, stimulates root growth.
5, sulfur-bentonite: the elemental sulfur of import and bentonite mixture granule.Bentonite imbibition is to its original size
20 times, effectively loosening and improve soil aggregate, sulfur is then under the effect of Soil Microorganism, and sulphion is oxidized to sulfate,
Produce aminoacid.The bentonitic characteristic of sulfur is allowed to improve the soil in urban afforestation, and the husky anti-afforestation of mountain forest coast defence, acid ground crop is (blue
The certain kind of berries, Flos Camelliae Japonicae etc.) and nursery stock north, south value be with a wide range of applications.The effect that sulfur-bentonite plays: strengthen light cooperation
With, improve the plumpness of twig seed, increase the chlorophyllous generation in plant leaf blade, reduce soil pH value.
Soil physico-chemical property is destroyed bigger by the salinization of soil, and pole is unfavorable for the growth of many crops, easily causes work
Thing is short of seedling or dead, thus hinders the development of agricultural economy.Salt-soda soil is many due to salinity, and organic quality is few, and acid-base value is high, makes
Agron suffers that leaching loss, Soil structure are destroyed, glutinous when showing as wet, hard time dry, and soil table often has white salinity accumulation,
Ventilation, permeable bad, serious meeting causes plant wilt, poisoning and rotten death.It addition, surface soil alkalinity is too big, have influence on soil
The effectiveness of the nutrients such as phosphorus in earth, ferrum, manganese, boron, zinc, easily causes a large amount of nitrogen, phosphorus, potassium essential element and ferrum, calcium, boron
Shortage Deng trace element.
According to statistics, China's saline-alkali soil area there are about more than 20 ten thousand square kilometres, constitutes about the 2.1% of China's territory total area.
China the most about also has about 80% saline-alkali soil not to be developed.The present at land resource growing tension
My god, the exploitation of large area saline-alkali wasteland and the preventing and treating of the salinization of soil have become as and affect China's economy and society is sustainable
The major issue of development.
The fertilizer being presently used for alkalescence salt-soda soil mostly is common liquid fertilizer farm manure or organic matter, the nutrient of fertilizer
Content is between 15%-25%, and nutrient content ratio is relatively low, though certain nutrient can be supplemented for soil, but have ignored soil physical chemistry
The improvement of character, nutrient is difficult to release, neither takes stopgap measures and do not effect a permanent cure；Or use chemical amelioration agent combine mineral fertilizer or
The form fertilising of fertilizer, operation is loaded down with trivial details, and consumption is wayward, and then affects the farming cost in soil.
Summary of the invention
For present situation, an object of the present invention is to provide a kind of alkaline land improving fertilizer special for organic, and this fertilizer is selected
Material environment friendly, use simple, while providing Organic nutrient and middle trace element to basic soil, soil changed
Good.
The two of the purpose of the present invention are to provide the preparation method of a kind of alkaline land improving fertilizer special for organic, and the method is the easiest
Operation, the fertilizer special for organic fertilizer efficiency of preparation is high.
It is a further object of the present invention to provide the application of a kind of alkaline land improving fertilizer special for organic.
To achieve these goals, the present invention provides following technical scheme:
A kind of alkaline land improving fertilizer special for organic, described fertilizer includes the edible oil and fat decolouring spent bleaching clay of more than 90%.
Preferably, described fertilizer consists of the following components in percentage by weight: edible oil and fat decolouring spent bleaching clay 90～
92%, middle trace element 1～6%, alkaline land improving material 2～9%；Described middle trace element is by the group of following percentage by weight
It is grouped into: potassium sulfate 35～65%, ammonium sulfate 30～60%, zinc sulfate 1～4%, Borax 0.5～2%；Described alkaline land improving
Material consists of the following components in percentage by weight: desulfurated plaster 70～100%, sulfur 0～30%.
It is highly preferred that described fertilizer consists of the following components in percentage by weight: described fertilizer is by following weight hundred
The component composition of proportion by subtraction: edible oil and fat decolouring spent bleaching clay 91%, middle trace element 4%, alkaline land improving material 5%；In described
Trace element consists of the following components in percentage by weight: potassium sulfate 64%, ammonium sulfate 32%, zinc sulfate 2.75%, Borax
1.25%；Described alkaline land improving material consists of the following components in percentage by weight: desulfurated plaster 85%, sulfur 15%.
The preparation method of above-mentioned alkaline land improving fertilizer special for organic, particularly as follows: edible oil and fat are decoloured spent bleaching clay, middle trace
Element and alkaline land improving material, according to described percentage by weight mixing and stirring, then add the pH value acid through dilution
Property conditioner, be uniformly mixed, adjust mixture pH value be 3～4, obtain alkaline land improving fertilizer special for organic, described pH
The acid conditioner of value consists of the following components in percentage by weight: gustatory production wastewater 60～80%, steel and iron industry H2SO4Pickling
Waste liquid 10～20%, steel and iron industry HCL pickle liquor 10～20%.
Preferably, the 5-20% that consumption is total weight of the mixture of described pH value acidity conditioner.
The specifically used method (application) of above-mentioned alkaline land improving fertilizer special for organic is as follows:
Described alkaline land improving fertilizer special for organic is sprinkled upon equably smooth good surface, salt-soda soil, then has described
Machine is fertile is sufficiently mixed uniform or ditching, holing by rotary cultivator with surface soil, wherein every square metre to use alkaline land improving special
It is 1.5-9kg by the amount of fertilizer.
The invention has the beneficial effects as follows:
The used basic raw material of the present invention is containing of edible oil and fat refine decolouring spent bleaching clay, its heavy metal and pernicious bacteria
Amount meets the requirement of food stage, and pH value, can the alkalescence of effective sweetening of the soil between 4.0～4.6；And meet organic matter
The requirement of the national standard content of (being not less than 45%) N P and K (being not less than 5%) moisture (no more than 30%), weight gaining potentiation
While also can improve environmental benefit, the use of all basic soils can be met simultaneously.
The combination of organic manure of the present invention is reasonable, by adding trace element and alkaline land improving material energy in suitable adjuvant
Enough effectively basic soil is improved, and notable by description of test improved effect.And use simple, by once
Use, the nutritional labeling required for plant growth and trace element are provided while conditioning soil pH value and saline and alkaline.
Detailed description of the invention
Experimental technique used in following embodiment if no special instructions, is conventional method.
Material used in following embodiment, reagent etc., if no special instructions, the most commercially obtain.
By specific embodiment, the present invention will be described in detail below.These embodiments are provided to be able to more
Thoroughly understand the present invention, and complete for the scope of the present invention can be conveyed to those skilled in the art.
" comprising " or " including " as mentioned by the middle of description and claim in the whole text is an open language, therefore should
It is construed to " comprise but be not limited to ".Description subsequent descriptions is to implement the better embodiment of the present invention, and right described description is
For the purpose of the rule of description, it is not limited to the scope of the present invention.Protection scope of the present invention is when regarding appended power
Profit requires that defined person is as the criterion.
Embodiment 1
A kind of alkaline land improving fertilizer special for organic, described fertilizer consists of the following components in percentage by weight: edible oil
Seborrheic alopecia color spent bleaching clay 90%, middle trace element 1%, alkaline land improving material 9%；Described middle trace element is by following weight percent
The component composition of ratio: potassium sulfate 35%, ammonium sulfate 60%, zinc sulfate 3%, Borax 2%；Described alkaline land improving material is by following
The component composition of percentage by weight: desulfurated plaster 100%.
The preparation method of above-mentioned alkaline land improving fertilizer special for organic, particularly as follows: edible oil and fat are decoloured spent bleaching clay, middle trace
Element and alkaline land improving material, according to described percentage by weight mixing and stirring, then add the pH value acid through dilution
Property conditioner, be uniformly mixed, adjust mixture pH value be 3.0～4.0, obtain alkaline land improving fertilizer special for organic, described
PH value acidity conditioner consist of the following components in percentage by weight: gustatory production wastewater 60%, steel and iron industry H2SO4Pickling
Waste liquid 20%, steel and iron industry HCL pickle liquor 20%.The consumption of described pH value acidity conditioner is total weight of the mixture
10%, and the pH value 3.0 of described pH value acidity conditioner.
Embodiment 2
A kind of alkaline land improving fertilizer special for organic, described fertilizer consists of the following components in percentage by weight: edible oil
Seborrheic alopecia color spent bleaching clay 91%, middle trace element 3.5%, alkaline land improving material 5.5%；Described middle trace element is by following weight
The component composition of percentage ratio: potassium sulfate 50%, ammonium sulfate 46%, zinc sulfate 2.75%, Borax 1.25%；Described alkaline land improving
Material consists of the following components in percentage by weight: desulfurated plaster 85%, sulfur 15%.
The preparation method of above-mentioned alkaline land improving fertilizer special for organic, particularly as follows: edible oil and fat are decoloured spent bleaching clay, middle trace
Element and alkaline land improving material, according to described percentage by weight mixing and stirring, then add the pH value acid through dilution
Property conditioner, be uniformly mixed, adjust mixture pH value be 3～4, obtain alkaline land improving fertilizer special for organic, described pH
The acid conditioner of value consists of the following components in percentage by weight: gustatory production wastewater 70%, steel and iron industry H2SO4Pickle liquor
15%, steel and iron industry HCl pickle liquor 15%.Consumption is total weight of the mixture the 12% of described pH value acidity conditioner, and
And the pH value 3.0 of described pH value acidity conditioner.
Embodiment 3
A kind of alkaline land improving fertilizer special for organic, described fertilizer consists of the following components in percentage by weight: edible oil
Seborrheic alopecia color spent bleaching clay 92%, middle trace element 6%, alkaline land improving material 2%；Described middle trace element is by following weight percent
The component composition of ratio: potassium sulfate 65%, ammonium sulfate 30%, zinc sulfate 4%, Borax 1%；Described alkaline land improving material is by following
The component composition of percentage by weight: desulfurated plaster 70%, sulfur 30%.
The preparation method of above-mentioned alkaline land improving fertilizer special for organic, particularly as follows: edible oil and fat are decoloured spent bleaching clay, middle trace
Element and alkaline land improving material, according to described percentage by weight mixing and stirring, then add the pH value acid through dilution
Property conditioner, be uniformly mixed, adjust mixture pH value be 3～4, obtain alkaline land improving fertilizer special for organic, described pH
The acid conditioner of value consists of the following components in percentage by weight: gustatory production wastewater 80%, steel and iron industry H2SO4Pickle liquor
10%, steel and iron industry HCL pickle liquor 10%.Consumption is total weight of the mixture the 15% of described pH value acidity conditioner, and
And the pH value 3.0 of described pH value acidity conditioner.
And following detection has been carried out for prepared fertilizer, specific as follows:
The main performance index of the salt-soda soil alkalescence improvement fertilizer special for organic that 1.1 use
1.1 outward appearances: grey-brown powder and graininess, mechanical impurity.
1.2 technical specifications: be shown in Table 1.
The key technical indexes of table 1 salt-soda soil alkalescence improvement fertilizer special for organic
| Project | Index |
| Organic mass fraction (to dry in terms of base), % | ≥45.0 |
| The total mass fraction (to dry in terms of base) of total nutrient (nitrogen+phosphorus pentoxide+potassium oxide), % | ≥5.0 |
| The mass fraction of moisture (fresh sample), % | ≦30 |
| Granularity (0.10mm-4.75mm), % | ≥80.0 |
| Acid-base value (ph) | 3.0～4.0 |
| Arsenic (As) (in terms of element), mg/kg | ≤10 |
| Hydrargyrum (Hg) (in terms of element), mg/kg | ≤2 |
| Lead (Pb) (in terms of element), mg/kg | ≤50 |
| Cadmium (Cd) (in terms of element), mg/kg | ≤3 |
| Chromium (Cr) (in terms of element), mg/kg | ≤50 |
In order to further illustrate beneficial effects of the present invention, applicant has carried out following test to it, specific as follows:
1, test material: utilize salt-soda soil alkalescence improvement fertilizer special for organic, " standing grain health " liquid that said method prepares
Body soil conditioner, commercial desulfurization gypsum powder, commercial compound fertilizer etc..
2, test
2.1 for situation on the spot:
It is located in the contracted field of Xingtai City Ren County, Hebei province Chang Jiatun village peasant Shi Liwei to demonstration, 108 ° of 17' of east longitude, north
38 ° of 94' of latitude, height above sea level 45 meters, demonstration plots is smooth, and irrigation auxiliary facility is complete, and the plantation of front stubble is winter wheat, soil before experiment
(0-20cm) nutrient measured value is PH=9.02, organic 8.45g/kg, full nitrogen 0.96g/kg, alkali-hydrolyzable nitrogen 32mg/kg, available phosphorus
12mg/kg, available potassium 75mg/kg.
2.2 for examination soil improvement fertilizer (fertilizer of the present invention): middle test agent
2.3 for studying thing: peak, pole 30 Semen Maydis
2.4 exemplary design: this demonstration sets 4 treatment regions, demonstration interval sets the isolation ridge, and single filling is single.
Process 1: conventional fertilizer application, area 667 of demonstrating；
Process 2: conventional fertilizer application+" standing grain health " liquid soil conditioner, area 667 of demonstrating；
Process 3: conventional fertilizer application+desulfurization gypsum powder, area 667 of demonstrating；
Process 4: conventional fertilizer application+fertilizer of the present invention, area 667 of demonstrating.
2.5 sowing management
Outdoor general planting, depth of planting 5cm, spacing in the rows 40cm, 667 keep a full stand of seedings strain 3800 strain.
2.6 fertilisings and irrigation
Fertilising and irrigation situation that these four processes are shown in Table 2.
The fertilising of 2 four kinds of table process and the situation of irrigation
Note: the compound fertilizer that in above table, different disposal uses is identical.
2.7 results and analysis
Four kinds of contrasts processing the economic characters to Semen Maydis, yield and unexpected improved effect are shown in Table 3～6 respectively, pass through
Contrast finds, uses the plant height of Semen Maydis after the fertilizer of the present invention, stem is thick, Ear height, spike length, fringe are thick, row grain number equal comparison ratio
1,2,3 want height, illustrate that the fertilizer of the present invention can improve the economic characters of Semen Maydis effectively, and from the point of view of yield comparison,
The fertilizer of the present invention can be greatly increased the yield of Semen Maydis, and is substantially higher in contrast 2 and 3.
And by soil properties such as pH value, total salt content, cation exchange capacity (CEC), total alkalinity and basicities before and after experiment
The amplitude of variation calculated after the mensuration of index and rate of change, it can be seen that process 4 effect of the present invention is the most obvious.
Table 3 corn growth stage records table
Table 4 maize economy shape Statistics table
The impact on corn yield of table 5 different disposal
| Process | 667 yield (kg) | 667 volume increase (kg) | 667 rate of growths (%) |
| 1(CK) | 958 | - | - |
| 2 | 1063 | 105 | 10.86% |
| 3 | 1230 | 272 | 28.39% |
| 4 | 1408 | 450 | 46.97% |
The evaluation to reclamation result of table 6 different disposal
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
The equivalent transformation that bright description is made, or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in
In the scope of patent protection of the present invention.
Claims (7)
1. an alkaline land improving fertilizer special for organic, it is characterised in that described fertilizer includes the edible oil seborrheic alopecia of more than 90%
Color spent bleaching clay.
Alkaline land improving fertilizer special for organic the most according to claim 1, it is characterised in that described fertilizer is by following weight
The component composition of percentage ratio: edible oil and fat decolouring spent bleaching clay 90～92%, middle trace element 1～6%, alkaline land improving material 2
～9%；Described middle trace element consists of the following components in percentage by weight: potassium sulfate 35～65%, ammonium sulfate 30～60%,
Zinc sulfate 1～4%, Borax 0.5～2%；Described alkaline land improving material consists of the following components in percentage by weight: desulfurization stone
Cream powder 70～100%, sofril 0～30%.
Alkaline land improving fertilizer special for organic the most according to claim 2, it is characterised in that described fertilizer is by following weight
The component composition of percentage ratio: edible oil and fat decolouring spent bleaching clay 91%, middle trace element 4%, alkaline land improving material 5%；Described
Middle trace element consists of the following components in percentage by weight: potassium sulfate 64%, ammonium sulfate 32%, zinc sulfate 2.75%, Borax
1.25%；Described alkaline land improving material consists of the following components in percentage by weight: desulfurization gypsum powder 85%, sofril
15%.
4. the preparation method according to the alkaline land improving fertilizer special for organic described in Claims 2 or 3, it is characterised in that institute
State preparation method particularly as follows: decoloured by edible oil and fat spent bleaching clay, middle trace element and alkaline land improving material are according to described weight
Amount percentage mix stirs, and then adds pH value acidity conditioner, is uniformly mixed, and the pH value adjusting mixture is 3
～4, obtaining alkaline land improving fertilizer special for organic, described pH value acidity conditioner consists of the following components in percentage by weight: taste
Essence produce waste water 60～80%, steel and iron industry H2SO4Pickle liquor 10～20%, steel and iron industry HCl pickle liquor 10～20%.
The preparation method of alkaline land improving fertilizer special for organic the most according to claim 4, it is characterised in that described pH value acid
The 5-20% that consumption is total weight of the mixture of property conditioner.
The preparation method of alkaline land improving fertilizer special for organic the most according to claim 4, it is characterised in that described pH value acid
The pH value 3.0 of property conditioner.
7. according to the application of the alkaline land improving fertilizer special for organic described in any one of claims 1 to 3, it is characterised in that by institute
The alkaline land improving fertilizer special for organic stated is sprinkled upon smooth good surface, salt-soda soil equably, then by described fertilizer and surface soil
Earth is sufficiently mixed uniformly or ditching, holing, wherein every square metre of amount using alkaline land improving fertilizer special for organic by rotary cultivator
For 1.5-9kg.
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Cited By (10)
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| CN106753419A (en) * | 2017-01-20 | 2017-05-31 | 上海鲲鹏环保科技有限公司 | Alkaline land modifying agent and saline and alkali land improvement method based on spent bleaching clay and hectorite |
| CN106753418A (en) * | 2017-01-20 | 2017-05-31 | 上海鲲鹏环保科技有限公司 | Alkaline land modifying agent and saline and alkali land improvement method based on spent bleaching clay |
| CN106748531A (en) * | 2017-01-20 | 2017-05-31 | 上海鲲鹏环保科技有限公司 | Alkaline land modifying agent and saline and alkali land improvement method based on spent bleaching clay and plant ash |
| CN106831266A (en) * | 2017-03-31 | 2017-06-13 | 上海立昌环境工程股份有限公司 | Heavy metal pollution alkaline land modifying agent and saline and alkali land improvement method based on spent bleaching clay |
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| CN106947716A (en) * | 2017-03-31 | 2017-07-14 | 上海立昌环境工程股份有限公司 | The agent of heavy metal pollution Saline-alkali Field Control and saline-alkali soil treatment method comprising spent bleaching clay |
| CN107033917A (en) * | 2017-04-21 | 2017-08-11 | 安徽家壹味食品有限公司 | A kind of agricultural use method of refining raw food oil waste liquid |
| CN107347435A (en) * | 2017-08-31 | 2017-11-17 | 山东胜伟园林科技有限公司 | The method for planting tulip by improveing salt-soda soil |
| CN108299083A (en) * | 2018-01-25 | 2018-07-20 | 杭州众盛新科技有限公司 | A method of producing composite fertilizer by raw material of waste-spent bleaching clay of grease production |
| CN108546217A (en) * | 2018-07-21 | 2018-09-18 | 山西省农业科学院农产品加工研究所 | Organic fertilizer and preparation method thereof based on useless decolorising agent |
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| CN106753418A (en) * | 2017-01-20 | 2017-05-31 | 上海鲲鹏环保科技有限公司 | Alkaline land modifying agent and saline and alkali land improvement method based on spent bleaching clay |
| CN106748531A (en) * | 2017-01-20 | 2017-05-31 | 上海鲲鹏环保科技有限公司 | Alkaline land modifying agent and saline and alkali land improvement method based on spent bleaching clay and plant ash |
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| CN107033917A (en) * | 2017-04-21 | 2017-08-11 | 安徽家壹味食品有限公司 | A kind of agricultural use method of refining raw food oil waste liquid |
| CN107347435A (en) * | 2017-08-31 | 2017-11-17 | 山东胜伟园林科技有限公司 | The method for planting tulip by improveing salt-soda soil |
| CN108299083A (en) * | 2018-01-25 | 2018-07-20 | 杭州众盛新科技有限公司 | A method of producing composite fertilizer by raw material of waste-spent bleaching clay of grease production |
| CN108546217A (en) * | 2018-07-21 | 2018-09-18 | 山西省农业科学院农产品加工研究所 | Organic fertilizer and preparation method thereof based on useless decolorising agent |
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