CN108546217A - Organic fertilizer and preparation method thereof based on useless decolorising agent - Google Patents

Organic fertilizer and preparation method thereof based on useless decolorising agent Download PDF

Info

Publication number
CN108546217A
CN108546217A CN201810807566.3A CN201810807566A CN108546217A CN 108546217 A CN108546217 A CN 108546217A CN 201810807566 A CN201810807566 A CN 201810807566A CN 108546217 A CN108546217 A CN 108546217A
Authority
CN
China
Prior art keywords
useless
decolorising agent
organic fertilizer
urea
sheep manure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810807566.3A
Other languages
Chinese (zh)
Inventor
胡晓军
李群
许光映
郝文来
高忠东
王振
韩海望
刘连生
黄科
莫欧洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Flaxmega Bio Technology Development Co ltd
Research Institute of Agro Products Processing of Shanxi Academy of Agricultural Sciences
Original Assignee
Shenzhen Flaxmega Bio Technology Development Co ltd
Research Institute of Agro Products Processing of Shanxi Academy of Agricultural Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Flaxmega Bio Technology Development Co ltd, Research Institute of Agro Products Processing of Shanxi Academy of Agricultural Sciences filed Critical Shenzhen Flaxmega Bio Technology Development Co ltd
Priority to CN201810807566.3A priority Critical patent/CN108546217A/en
Publication of CN108546217A publication Critical patent/CN108546217A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05CNITROGENOUS FERTILISERS
    • C05C9/00Fertilisers containing urea or urea compounds
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES 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
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/90Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Soil Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)

Abstract

A kind of organic fertilizer based on useless decolorising agent, composition of raw materials include:Useless decolorising agent 70 80, sheep manure 20 30, urea 7.5 9.5, urease inhibitor 0.008 0.015.Containing full nitrogen 0.36% 0.41%, P in the useless decolorising agent2O50.79% 0.83%, K2O 0.35% 0.40%, organic carbon >=55%.The preparation method of organic fertilizer of the present invention includes:The decolorising agent that gives up is pre-processed, sheep manure pretreatment, urea pretreatment, is pre-mixed, mixing and granulation.The organic fertilizer primary raw material of the present invention is useless decolorising agent, it is therefore prevented that the useless random heap of decolorising agent is rivals in a contest serious consequence caused by the pollution or spontaneous combustion of soil;The present invention is scientifically and rationally equipped with sheep manure, urea and urease inhibitor, realizes microorganism, carbon-nitrogen ratio and the carbon of organic fertilizer, the relative equilibrium of nitrogen release;Investment of production equipment of the present invention is small, easy to operate, and production cost is low, good in economic efficiency.

Description

Organic fertilizer and preparation method thereof based on useless decolorising agent
Technical field
The invention belongs to organic fertilizer technical fields, and in particular to prepare organic fertilizer and preparation method thereof using useless decolorising agent.
Background technology
Useless decolorising agent is the rejectable waste of generation during vegetable oil refining, typically constitutes from 3% or so of oil and fat refining amount.Closely Nian Lai, 30,000,000 tons or so of China's edible oil annual consumption imply the annual useless decolorising agent for generating 900,000 tons or so.According to decoloration Technique is different, oil-containing 20%-30% in generally useless decolorising agent.Useless decolorising agent at relatively high temperatures can spontaneous combustion, if straight without processing Run in put and will pollute environment.Currently, large and medium-sized oil and fat refining enterprise be all made of after recycling grease remake articles for washing, feed, The auxiliary materials processing and utilization such as fertilizer, cement, solves the problem of environmental pollution of useless decolorising agent substantially.And plurality of small-sized grease Processing factory is due to the useless decolorising agent negligible amounts that respectively generate, and unmanned recovery processing, generally cancels the ring of decolorising agent without strength Guarantor is handled, and for anti-spontaneous combustion, is handled as waste melt pit burial, is so on the one hand led to the wasting of resources, on the other hand cause ring It pollutes in border.CN201410455062 discloses a kind of biological organic fertilizer and the method using spent bleaching clay slag production biological organic fertilizer, The technology is former by spent bleaching clay slag and mycoprotein, activated carbon, dregs of beans, humic acid, amino-acid nutrition liquid, bioactivity microbial inoculum etc. Material assembly is at a kind of biological organic fertilizer.CN201710299601 discloses a kind of biological organic fertilizer based on spent bleaching clay and its answers With CN201710299754 discloses multifunctional biological fertilizer and its application, and above-mentioned two pieces document is disclosed spent bleaching clay Slag is with humic acid, composite bacteria liquid, complex enzyme, aluminium-magnesium silicate and plant growth regulator or function additive with synthesis organic fertilizer.It is existing There is technology to have some limitations the processing for the decolorising agent that gives up.On the one hand, the decolorising agent of grease-decolor is not limited to one kind Carclazyte decolorising agent, through being combined frequently with different decolorising agents when for different grease-decolors, and simultaneously special white-clay is a kind of, also The a variety of and composite decoloring agents such as activated carbon, silicon bath soil, attapulgite.On the other hand, give up decolorising agent after various decolorising agent combinations Chemical composition it is naturally different, targetedly can be only achieved and make the best use of everything using useless decolorising agent, could by useless decolorising agent it is low at Local is abundant, efficiently uses.
Invention content
In view of the deficienciess of the prior art, the object of the present invention is to provide a kind of organic fertilizer based on useless decolorising agent and its Preparation method, it is intended to for the characteristics of nutritional ingredient, decolorising agent is prepared at low cost as primary raw material to give up contained by useless decolorising agent At organic fertilizer, solve the problems, such as that existing small-sized oil and fat refining enterprise is difficult to useless decolorising agent processing, pollutes environment.
To achieve the above object, present invention employs following technical solutions.
A kind of organic fertilizer based on useless decolorising agent, by weight, the composition of raw materials of the organic fertilizer includes:Useless decolorising agent 70-80, sheep manure 20-30, urea 7.5-9.5, urease inhibitor 0.008-0.015.
Contain full nitrogen 0.36%-0.41%, P in the useless decolorising agent2O50.79%-0.83%, K2It is O 0.35%-0.40%, organic Carbon >=55%, to dry in terms of base.
Contain full nitrogen 0.7%-0.8%, P in the sheep manure2O50.45%-0.6%, K2O 0.4%-0.5%, organic matter 24%- 27%, to dry in terms of base.
Urea nitrogen content >=45%.
The urease inhibitor is commercially available normal-butyl thiophosphoryl triamine(NBPT).
The preparation method of the organic fertilizer based on useless decolorising agent of the present invention, includes the following steps:
(1)Useless decolorising agent pretreatment squeezes the useless decolorising agent just released from filter immediately while hot, makes the Residual oil of useless decolorising agent Rate is spare less than 15%;
(2)Sheep manure pretreatment takes sheep manure of the water content less than 20% to crushed 20 mesh sieve;
(3)Granular urea crushed 20 mesh sieve by urea pretreatment;
(4)Premix 7.5-9.5 parts of conjunction(3)Urea and 0.008-0.015 a part urease inhibitor for processing is poured into blender and is mixed It closes uniformly, it is spare;
(5)Mixing takes 70-80 parts of warps(1)Pretreated useless decolorising agent, 20-30 parts of warps(2)Pretreated sheep manure and warp(4)In advance Mixed urea and urease inhibitor, input stirrer for mixing is uniform, and organic fertilizer powder is made, spare;
(6)Being granulated will(5)Mixed organic fertilizer powder input comminutor causes granular organic fertilizer.
For organic fertilizer of the present invention to digest useless decolorising agent as the main purpose, useless proportion of the decolorising agent in organic fertilizer accounts for three points Two, addition animal wastes are there are two purpose, first, to increase the content of microorganisms of organic fertilizer, used in fermenting after being manured into soil It works, second is that increasing the humidity and increase products degree of organic fertilizer, prevents the spontaneous combustion of organic fertilizer.It is since sheep manure contains to add sheep manure Water is relatively low, can directly crush as filling, saves dry link, reduces organic fertilizer cost of manufacture.Based on useless decolorising agent The content of organic matter of organic fertilizer is high, and carbon-nitrogen ratio is high, to balance carbon-nitrogen ratio, uses and adds relatively long-acting urea.To inhibit Urase is added to urease inhibitor normal-butyl thiophosphoryl triamine to the fast decoupled of urea(NBPT).By above-mentioned science The fair share of components matching and Related Component matches, and is meeting The Ministry of Agriculture of the People's Republic of China, MOA professional standard NY525- Under the premise of 2012 technical indicator, at the same realize microorganism, carbon-nitrogen ratio and the carbon of organic fertilizer, nitrogen release it is opposite Balance, and production cost is dropped into alap level.
Organic matter is contained using organic fertilizer prepared by the method for the present invention(To dry in terms of base)>=70%, total nutrient(Nitrogen+five aoxidizes Two phosphorus+potassium oxide)(To dry in terms of base)>=5%, moisture(Fresh sample)≤ 8%, acid-base value(PH)6.5-8 meets Chinese people's republicanism The technical indicator of the Ministry of Agriculture of state professional standard NY525-2012:Quality of organic matter score(To dry in terms of base)>=45, total nutrient (Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)>=5.0, moisture(Fresh sample)Mass fraction≤30, acid Basicity(PH)5.5-8.5.
Organic fertilizer carbon/the nitrogen prepared using the method for the present invention belongs to the lower organic fertilizer of carbon-nitrogen ratio between 10-15, fits It is suitable for the growing plant for promoting cauline leaf to use.
Beneficial effects of the present invention:(1)The primary raw material of organic fertilizer is exactly useless decolorising agent, it is therefore prevented that the random heap of useless decolorising agent It is rivals in a contest serious consequence caused by the pollution or spontaneous combustion of soil.(2)The organic fertilizer of the present invention is using useless decolorising agent as main component, science It is reasonably equipped with sheep manure, urea and urease inhibitor, realizes microorganism, carbon-nitrogen ratio and carbon, the nitrogen release of organic fertilizer Relative equilibrium.(3)Useless waste of the decolorising agent as oil and fat refining, waste utilization is cheap, and useless decolorising agent accounts for organic fertilizer 65% or more of total amount can reduce the cost of organic fertilizer.(4)The present invention production organic fertilizer the content of organic matter reach 70% with On, considerably beyond the standard for being more than or equal to 45% as defined in professional standard NY525-2012, quality belongs to high-quality organic fertilizer. (5)It mainly crushes, mix and is granulated in the production process of the present invention, required device is all common in existing industry, equipment Invest it is small, it is simple to operate.
Specific implementation mode
The useless decolorising agent just released from filter is squeezed immediately while hot first, the residual oil content for detecting the decolorising agent that gives up is 13.8%, full nitrogen 0.389%, P2O50.812%, K2O 0.365%, organic carbon 57.6%, to dry in terms of base, moisture 1.1%.Secondly It is that 17.6% sheep manure crushed 20 mesh sieve to take water content, and detection sheep manure contains full nitrogen 0.77%, P2O5 0.51%, K2O 0.46%、 Organic matter 25.6%, to dry in terms of base.The granular urea that commercially available nitrogen content is 46% be crushed into 20 mesh sieve again, purchase urase Inhibitor(Normal-butyl thiophosphoryl triamine).The organic fertilizer based on useless decolorising agent is prepared using above-mentioned raw materials.
Embodiment 1
By weight, 7.5 kilograms of urea and 8 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is uniform to pour into stirrer for mixing, It is spare.70 kilograms of useless decolorising agents, 20 kilograms of sheep manures and above-mentioned 7.508 mixed kilogram urea and urease inhibitor is taken to mix again Object, input stirrer for mixing is uniform, organic fertilizer powder is made, then through being granulated the granular organic fertilizer to get 97.508 kilograms.It should Organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.02%, the matter of organic matter Measure score(To dry in terms of base)It is 76.5%, moisture(Fresh sample)It is 4.4%, pH value 7.6 meets The Ministry of Agriculture of the People's Republic of China, MOA's row The technical indicator of industry standard NY525-2012:Quality of organic matter score(To dry in terms of base)>=45, total nutrient(The oxidation of nitrogen+five two Phosphorus+potassium oxide)Mass fraction(To dry in terms of base)>=5.0, moisture(Fresh sample)Mass fraction≤30, acid-base value(PH)5.5- 8.5。
Embodiment 2
By weight, 9.5 kilograms of urea and 15 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is equal to pour into stirrer for mixing It is even, it is spare.80 kilograms of useless decolorising agents, 30 kilograms of sheep manures and above-mentioned 9.515 mixed kilogram urea and urease inhibitor are taken again Mixture, input stirrer for mixing is uniform, organic fertilizer powder is made, then organic to get 119.515 kilograms of particle through being granulated Fertilizer.The organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.14%, organic matter Mass fraction(To dry in terms of base)It is 72.91%, moisture(Fresh sample)It is 5.15%, pH value 7.6 meets People's Republic of China's agriculture The technical indicator of industry portion professional standard NY525-2012.
Embodiment 3
By weight, 8.5 kilograms of urea and 15 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is equal to pour into stirrer for mixing It is even, it is spare.70 kilograms of useless decolorising agents, 30 kilograms of sheep manures and above-mentioned 8.515 mixed kilogram urea and urease inhibitor are taken again Mixture, input stirrer for mixing is uniform, organic fertilizer powder is made, then organic to get 108.515 kilograms of particle through being granulated Fertilizer.The organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.09%, organic matter Mass fraction(To dry in terms of base)It is 71.13%, moisture(Fresh sample)It is 5.58%, pH value 7.6 meets People's Republic of China's agriculture The technical indicator of industry portion professional standard NY525-2012.
Embodiment 4
By weight, 9 kilograms of urea and 10 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is uniform to pour into stirrer for mixing, It is spare.80 kilograms of useless decolorising agents, 20 kilograms of sheep manures and above-mentioned 9.01 mixed kilogram urea and urease inhibitor is taken to mix again Object, input stirrer for mixing is uniform, organic fertilizer powder is made, then through being granulated the granular organic fertilizer to get 109.01 kilograms.It should Organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.27%, the matter of organic matter Measure score(To dry in terms of base)It is 77.57%, moisture(Fresh sample)It is 4.04%, pH value 7.6 meets The Ministry of Agriculture of the People's Republic of China, MOA The technical indicator of professional standard NY525-2012.
Embodiment 5
By weight, 8.8 kilograms of urea and 10 grams of commercially available normal-butyl thiophosphoryl triamines are taken, it is equal to pour into stirrer for mixing It is even, it is spare.Take 75 kilograms of useless decolorising agents, 25 kilograms of sheep manures and above-mentioned 8.81 mixed kilogram urea and urease inhibitor mixed again Object is closed, input stirrer for mixing is uniform, organic fertilizer powder is made, then through being granulated the granular organic fertilizer to get 108.81 kilograms. The organic fertilizer contains total nutrient(Nitrogen+phosphorus pentoxide+potassium oxide)Mass fraction(To dry in terms of base)It is 5.20%, organic matter Mass fraction(To dry in terms of base)It is 74.33%, moisture(Fresh sample)It is 4.80%, pH value 7.6 meets People's Republic of China's agricultural The technical indicator of portion professional standard NY525-2012.

Claims (5)

1. a kind of organic fertilizer based on useless decolorising agent, by weight, which is characterized in that the composition of raw materials of the organic fertilizer includes: Useless decolorising agent 70-80, sheep manure 20-30, urea 7.5-9.5, urease inhibitor 0.008-0.015.
2. the organic fertilizer according to claim 1 based on useless decolorising agent, preparation method include the following steps:
(1)Useless decolorising agent pretreatment squeezes the useless decolorising agent just released from filter immediately while hot, makes the Residual oil of useless decolorising agent Rate is spare less than 15%;
(2)Sheep manure pretreatment takes sheep manure of the water content less than 20% to crushed 20 mesh sieve;
(3)Granular urea crushed 20 mesh sieve by urea pretreatment;
(4)Premix 7.5-9.5 parts of conjunction(3)Urea and 0.008-0.015 a part urease inhibitor for processing is poured into blender and is mixed It closes uniformly, it is spare;
(5)Mixing takes 70-80 parts of warps(1)Pretreated useless decolorising agent, 20-30 parts of warps(2)Pretreated sheep manure and warp(4)In advance Mixed urea and urease inhibitor, input stirrer for mixing is uniform, and organic fertilizer powder is made, spare;
(6)Being granulated will(5)Mixed organic fertilizer powder input comminutor causes granular organic fertilizer.
3. the organic fertilizer according to claim 1 based on useless decolorising agent, which is characterized in that containing complete in the useless decolorising agent Nitrogen 0.36%-0.41%, P2O50.79%-0.83%, K2O 0.35%-0.40%, organic carbon >=55%, to dry in terms of base.
4. the organic fertilizer according to claim 1 based on useless decolorising agent, which is characterized in that contain full nitrogen in the sheep manure 0.7%-0.8%、P2O50.45%-0.6%, K2O 0.4%-0.5%, organic matter 24%-27%, to dry in terms of base.
5. the organic fertilizer according to claim 1 based on useless decolorising agent, which is characterized in that the urease inhibitor is city The normal-butyl thiophosphoryl triamine sold.
CN201810807566.3A 2018-07-21 2018-07-21 Organic fertilizer and preparation method thereof based on useless decolorising agent Pending CN108546217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810807566.3A CN108546217A (en) 2018-07-21 2018-07-21 Organic fertilizer and preparation method thereof based on useless decolorising agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810807566.3A CN108546217A (en) 2018-07-21 2018-07-21 Organic fertilizer and preparation method thereof based on useless decolorising agent

Publications (1)

Publication Number Publication Date
CN108546217A true CN108546217A (en) 2018-09-18

Family

ID=63492223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810807566.3A Pending CN108546217A (en) 2018-07-21 2018-07-21 Organic fertilizer and preparation method thereof based on useless decolorising agent

Country Status (1)

Country Link
CN (1) CN108546217A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110790612A (en) * 2019-12-05 2020-02-14 中国科学院兰州化学物理研究所盱眙凹土应用技术研发中心 Method for preparing organic mineral fertilizer by using decolored waste soil as raw material

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102079669A (en) * 2009-11-27 2011-06-01 中国科学院沈阳应用生态研究所 Efficient organic compound fertilizer and preparation method
CN102079668A (en) * 2009-11-27 2011-06-01 中国科学院沈阳应用生态研究所 Efficient organic fertilizer and preparation method
CN102267845A (en) * 2011-06-28 2011-12-07 四川大学 Edible fungus cultivation material containing oily waste clay
CN105439653A (en) * 2014-09-10 2016-03-30 范杰 Biological organic fertilizer and method for producing biological organic fertilizer by utilizing spent bleaching clay residue
CN105622297A (en) * 2016-03-21 2016-06-01 上海鲲鹏环保科技有限公司 Compound microbial fertilizer taking waste clay minerals as main raw material
CN106278705A (en) * 2016-07-27 2017-01-04 北京盖希尔科技股份有限公司 A kind of alkaline land improving fertilizer special for organic and its preparation method and application
CN106977305A (en) * 2017-05-02 2017-07-25 上海鲲鹏环保科技有限公司 Multifunctional biological fertilizer and its application based on spent bleaching clay
CN106977303A (en) * 2017-05-02 2017-07-25 上海鲲鹏环保科技有限公司 Biological organic fertilizer and its application based on spent bleaching clay
CN107089861A (en) * 2017-05-02 2017-08-25 上海鲲鹏环保科技有限公司 Recycle biological organic fertilizer and its application of spent bleaching clay
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102079669A (en) * 2009-11-27 2011-06-01 中国科学院沈阳应用生态研究所 Efficient organic compound fertilizer and preparation method
CN102079668A (en) * 2009-11-27 2011-06-01 中国科学院沈阳应用生态研究所 Efficient organic fertilizer and preparation method
CN102267845A (en) * 2011-06-28 2011-12-07 四川大学 Edible fungus cultivation material containing oily waste clay
CN105439653A (en) * 2014-09-10 2016-03-30 范杰 Biological organic fertilizer and method for producing biological organic fertilizer by utilizing spent bleaching clay residue
CN105622297A (en) * 2016-03-21 2016-06-01 上海鲲鹏环保科技有限公司 Compound microbial fertilizer taking waste clay minerals as main raw material
CN106278705A (en) * 2016-07-27 2017-01-04 北京盖希尔科技股份有限公司 A kind of alkaline land improving fertilizer special for organic and its preparation method and application
CN106977305A (en) * 2017-05-02 2017-07-25 上海鲲鹏环保科技有限公司 Multifunctional biological fertilizer and its application based on spent bleaching clay
CN106977303A (en) * 2017-05-02 2017-07-25 上海鲲鹏环保科技有限公司 Biological organic fertilizer and its application based on spent bleaching clay
CN107089861A (en) * 2017-05-02 2017-08-25 上海鲲鹏环保科技有限公司 Recycle biological organic fertilizer and its application of spent bleaching clay
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
武丽荣: "油脂精炼废白土的利用 ", 《中国油脂》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110790612A (en) * 2019-12-05 2020-02-14 中国科学院兰州化学物理研究所盱眙凹土应用技术研发中心 Method for preparing organic mineral fertilizer by using decolored waste soil as raw material

Similar Documents

Publication Publication Date Title
CN101696129B (en) Method for producing amino acid organic-inorganic compound fertilizer by using Chinese medicament dregs
CN101633587B (en) Saline-alkali land improving and fertilizing agent and preparation method thereof
CN102351589B (en) Bio-organic fertilizer produced by use of municipal sludge and production method thereof
CN107226730A (en) A kind of preparation method of biological organic fertilizer
CN103524237B (en) Special nano-carbon fertilizer for sugarcane and preparation method thereof
CN105859489A (en) Special compound fertilizer for saline-alkali soil and production method thereof
CN101560116B (en) Multi-element biological and ecological full-effective fertilizer and production method thereof
CN101337840B (en) Method of preparing bio compound fertilizer
CN105237185A (en) 38-40% nitrogen-phosphorus-potassium-containing high-concentration compound fertilizer and production method thereof
CN103044087B (en) Active phosphate fertilizer as well as preparation method and application thereof
CN104909963B (en) A kind of Eco-friendly wheat stalk matrix Chemical Mixed Fertilizer and preparation method thereof
CN104447108A (en) Special fertilizer for humic acid drip irrigation and preparation method thereof
CN108976070A (en) Fertilizer specially for peanut and preparation method thereof
CN105670636A (en) Passivation material capable of repairing cadmium and copper-polluted acidic soil as well as preparation method and application of passivation material
CN105294237A (en) Preparation method of special rape fertilizer containing alginic acid
CN104230571A (en) Dispersible biological compound fertilizer made from gutter oil, and preparation method thereof
CN107032925A (en) The method that fertilizer special for tea trees is produced as raw material using Jasmine slag, tea dust
CN108546217A (en) Organic fertilizer and preparation method thereof based on useless decolorising agent
CN101648831B (en) Organic fertilizer produced from sludge generated in sewage treatment and preparation method thereof
CN104628440A (en) Method for preparing special vegetable organic fertilizer by using active humic acid fermentation
CN106699456A (en) Special biological organic fertilizer for tea planting and production method thereof
CN104211532B (en) A kind of method utilizing furfural dregs and furfural waste-water to prepare liquid soil improvement agent
CN109053334A (en) The fermentation process of odorless peanut press pulp fertilizer
CN108314526A (en) A kind of organic control mistake fertilizer of the stalk of low cost soil improvement
CN107382462A (en) A kind of ornamental plant flowers compoiste fertilizer and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180918