CN107032875A - Acidproof, water conservation forestry chemical fertilizer and auxiliary agent - Google Patents
Acidproof, water conservation forestry chemical fertilizer and auxiliary agent Download PDFInfo
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- CN107032875A CN107032875A CN201710116144.7A CN201710116144A CN107032875A CN 107032875 A CN107032875 A CN 107032875A CN 201710116144 A CN201710116144 A CN 201710116144A CN 107032875 A CN107032875 A CN 107032875A
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- chemical fertilizer
- acidproof
- water conservation
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- 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
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/20—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for preventing the fertilisers being reduced to powder; Anti-dusting additives
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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of acidproof, water conservation forestry chemical fertilizer specially and auxiliary agent, chemical fertilizer is made up of following component and parts by weight：35 55 parts of silkworm excrement, 8 37 parts of urea, 5 17 parts of potassium dihydrogen phosphate, 12 parts of sodium lignin sulfonate, 20 45 parts of attapulgite, 5 10 parts of humic acid, 15 parts of auxiliary agent, 0.2 0.8 parts of anticaking agent, present invention also offers acidproof, the preparation method of water conservation forestry chemical fertilizer specially auxiliary agent and the preparation method of chemical fertilizer specially, the chemical fertilizer of the present invention is nutritious, the resistance against diseases of forest can be improved, and chemical fertilizer utilization ratio is high, use cost is low, pass through the auxiliary agent and anticaking agent of addition, it can make chemical fertilizer that there is water conservation, fertilizer conservation, the characteristics of improving soil acidity, chemical fertilizer is prevented from caking during preservation, mouldy or breed bacteria.
Description
Technical field
The present invention relates to chemical fertilizer and auxiliary agent technical field, specifically the present invention relates to a kind of acidproof, water conservation, forestry chemical fertilizer and
Auxiliary agent.
Background technology
Agricultural is the basis of national economy, is the base substance condition of social development.And water and fertilizer are influence agricultural productions
Two key factors, on the one hand, chemical fertilizer occupies an important position in agricultural production, is that maximum material in agricultural production is thrown
Money, accounts for the 50% of its whole productive expenditure, nowadays there is 42.9% dry cropland in the whole world, dry farming is influenceed mainly by drought
Show that natural precipitation and plant growth water demand are not in tune, thus, how to promote soil to retain more rainwater is plant
" i.e. need to i.e. use " be the subject matter of nonirrigated farmland water conservation, and water-loss reducer is important water-absorbing-retaining chemicals, in agriculture and forestry application
For many years, at present, due to factors such as loss, volatilization, infiltration, soil blocks, external utilization rate of fertilizer is generally 50% ~ 55%, China
The utilization rate of chemical fertilizer is generally 30% ~ 35%, lower 20 percentage points than foreign countries, and this not only causes direct economic loss, simultaneously
It also result in serious environmental pollution.Therefore, improve chemical fertilizer utilization ratio, save chemical fertilizer application spending, reduce because fertilising and caused by
Environmental pollution, save labour, develop the problem of sustainable high-efficiency agriculture is paid close attention to jointly as countries in the world.Acidproof, guarantor
Water, the appearance of forestry chemical fertilizer specially technology provide an effective approach to solve this problem.
The fertilizer of application in forestry, with requirement agriculturally without what difference in kind, but the production of forestry is all
Phase is long, different in requirement of the different growth phases to fertilizer, the nursery stock stage, major requirement quick-acting fertilizer, rhizosphere fertilization and
Foliar fertilizer；Afforestation and bole growth phase, to the comprehensive demand of N P and K；The solid stage, big to phosphorus demand, fertilizer is answered with water-loss reducer
Integration is closed using the important technology for being water-fertilizer conditioning, is the international forward position of fertilizer research, water-loss reducer or water retaining slow-release/controled fertilizer
It is basically identical to the slow releasing function report of some nutrients, there is inconsistent report to soil moisture improvement result, contain with high salt
Amount is relevant with water-loss reducer consumption.Although water-loss reducer has substantial amounts of document report, most of texts in agriculture and forestry using the country
Offer and be only limitted to general application report, method and condition that mainly water-loss reducer is used, phytomorph and physiological reaction, soil are held
Water characteristic improves and moisture evaporation suppresses, and crop emerges, in terms of.The main nutrient for stressing water-loss reducer and soil and fertilizer is mutual
The soil of effect and water-loss reducer and fertilizer compound use, Biological water fertilizer efficiency are answered, and therefore, are carried in addition, existing slow release fertilizer is not taken into account
To the improvement result of the environmental problems such as soil moisture content, nutrient loss and soil acidification, it is impossible to the need for meeting Forest in Current development,
Accordingly, it would be desirable to develop a kind of water conservation, fertilizer conservation and the special potent fertilizer of forestry for improveing acid soil.
Prior art such as, Chinese invention granted patent document, the B of Authorization Notice No. CN 103420709, the disclosure of the invention one
Natural mineral matter composite fertilizer is planted, is related to a kind of plant growth fertilizer, belongs to fertilizer field, it is characterised in that：Bulk drug has：Silkworm excrement
35~55%, urea 8~37%, potassium dihydrogen phosphate 5~17%, attapulgite 20~45%, humic acid 5~
10% its be weight ratio；After the raw material of above-mentioned weight proportion is mixed, its water content is set to be down to 15~20%, its advantage
It is：Fertilizer efficiency extends, and reduces chemical fertilizer amount of application, with the long-acting flower fertilizer of become thoroughly decomposed silkworm excrement and chemical fertilizer cooperation production, You Jiwu
Machine coordinates, and slow nutrient and available nutrient are taken into account, and nutrient is complete abundant, many necessary to energy last longer supply flowers
Nutrient, kind of blooming period prolonging and raising flowers resistance against diseases are planted, chemical fertilizer utilization rate is improved, reduces agriculture production cost, carry
High quality of agricultural product and yield, improved soil, the purpose preserved the ecological environment, but the chemical fertilizer is in water conservation, fertilizer conservation and improvement acid
Property soil in terms of also have room for promotion.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of acidproof, water conservation forestry chemical fertilizer specially and auxiliary agent, this chemical fertilizer
Rich in nutrition content, can improve the resistance against diseases of forest, and chemical fertilizer utilization ratio is high, and use cost is low, by the auxiliary agent of addition and
Anticaking agent, can make the characteristics of chemical fertilizer has water conservation, fertilizer conservation, improves soil acidity, and chemical fertilizer is prevented from caking during preservation, hair
Mould or breed bacteria.
To achieve the above object, the present invention is achieved by the following technical programs：Acidproof, water conservation forestry chemical fertilizer specially,
Chemical fertilizer is made up of following component and parts by weight：35-55 parts of silkworm excrement, 8-37 parts of urea, 5-17 parts of potassium dihydrogen phosphate, lignin sulfonic acid
1-2 parts of sodium, 20-45 parts of attapulgite, 5-10 parts of humic acid, 1-5 parts of auxiliary agent, 0.2-0.8 parts of anticaking agent.
Preferably, anticaking agent is made up of following component and parts by weight：Ten difluoro enanthol sulphosuccinates 5-25
The primary amine salt or 5-35 parts of secondary amine salt, phosphatide of part, 0.1-0.6 parts of DDAO, carbon atom quantity for 6 ~ 40
Oily 10-50 parts, 5-50 parts of fatty acid ester, 5-30 parts of aliphatic acid, 1-20 parts of paraffin, anticaking agent can fertiliser granulates surface shape
Into film, chemical fertilizer granule mutual adhesion conglomeration during storage is effectively prevented, while preventing the intrusion of ambient moisture, makes chemical fertilizer
It is difficult mouldy, suppression or kills pernicious bacteria, and with the ability of very strong suppression fertilizer crystal growth, makes fertilizer in storage period
Between keep loose for a long time.
Above-mentioned auxiliary agent is made up of following steps：
1) by weight, take 25-30 parts of colloid attapulgite, 12-16 parts of silicon-carbon matter power plant straw ash, hexa metaphosphoric acids
Sodium is added to the water with 40-50 parts of liquid ispol and is made into suspension, at 36 DEG C, stirs half an hour；
2) suspension 1L is taken, 4-6 parts of acrylic-ethylene alcohol copolymers, 0.1-0.6 parts of polyacrylic acid, 0.2-1 parts of diacetic acids are added
Sodium, 0.1-0.5 parts of dimethyl fumarates, 0.3-0.5 parts of N, N '-methylene-bisacrylamide and 0.2-0.4 parts of hydrogen peroxide,
Stirred at 30 DEG C and use radiation exposure, then dried to constant weight, crush at 55 DEG C, cross 200 mesh sieves, powder is made；
3) take 10-12 parts of powder uniformly to be mixed with 2-3 parts of isobutyiene-maieic anhydride copolymers, produce auxiliary agent；The auxiliary agent of the present invention
The water conservation of chemical fertilizer, fertilizer conservation can be improved, improves in the ability of soil acidity, chemical fertilizer and can reduce chemical fertilizer nutrition after fertilising after addition auxiliary agent
Ingredients from lossing speed, improves chemical fertilizer utilization ratio, and chemical fertilizer is difficult mouldy growth harmful bacteria after preservation and fertilising, and auxiliary agent may be used also
Improve the determining cation exchange capacity of soil after fertilising.
Acidproof, water conservation forestry chemical fertilizer preparation method, comprises the following steps：
1）By weight, silkworm excrement, urea, potassium dihydrogen phosphate, attapulgite, humic acid are taken, 80-120 mesh is crushed to respectively, it is standby
With；
2）Silkworm excrement through During High-Temperature Composting, deodorization, sterilize, become thoroughly decomposed, drying and other treatment, urea, potassium dihydrogen phosphate, attapulgite and humic acid
Be dissolved in water nutrient solution be made and be sprayed onto in the dry silkworm excrement become thoroughly decomposed, silkworm excrement drying will be formulated granulation after each composition mixing, obtain it is acidproof,
Water conservation forest land chemical fertilizer.
Preferably, stoving process is：Use equipment, Drying；The dry silkworm excrement for being sprayed with nutrient solution is inputted into Drying,
Drying obtains the drying granule materials that water content is 15-20%.
Preferably, granulating a diameter of 2-4mm in step 2.
Compared with prior art, beneficial effects of the present invention are：It is of the invention to wait nutrient to apply fertilizer compared with common chemical fertilizer, this
The chemical fertilizer of invention can increase volume of timber amount more than 12%, increase soil moisture content more than 6%, chemical fertilizer nutrient be lost in averagely reduce 22% with
On, forest zone ecological safety is effectively protected, determining cation exchange capacity of soil 1 ~ 5% is improved, strengthens soil water-reataining fertilizer-keeping ability；Addition
Auxiliary agent can improve the water conservation of chemical fertilizer, fertilizer conservation, improve after addition auxiliary agent to reduce in the ability of soil acidity, chemical fertilizer and change after fertilising
Fertile nutrient loss speed, chemical fertilizer is difficult mouldy growth harmful bacteria after preservation and fertilising, and auxiliary agent can also improve fertilising
Determining cation exchange capacity of soil afterwards, the anticaking agent of addition can form film on the surface of fertiliser granulates, effectively preventionization
The mutual adhesion conglomeration during storage of fertile particle, while preventing the intrusion of ambient moisture, makes chemical fertilizer be difficult mouldy, suppression or kill
Pernicious bacteria, and with the ability of very strong suppression fertilizer crystal growth, fertilizer is kept loose for a long time during storage.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the implementation of the present invention
Technical scheme in the embodiment of the present invention is clearly and completely described example.
Embodiment 1：
Acidproof, water conservation forestry chemical fertilizer specially, is made up of following component and parts by weight：45 parts of silkworm excrement, 23 parts of urea, potassium dihydrogen phosphate
16 parts, 1.2 parts of sodium lignin sulfonate, 28 parts of attapulgite, 7 parts of humic acid, 4 parts of auxiliary agent, 0.3 part of anticaking agent.
Anticaking agent is made up of following component and parts by weight：Ten 18 parts of difluoro enanthol sulphosuccinates, dodecyl
The primary amine salt or 22 parts of secondary amine salt, 25 parts of phosphatide oil, fatty acid ester 40 of 0.4 part of dimethyl amine, carbon atom quantity for 6 ~ 40
Part, 25 parts of aliphatic acid, 14 parts of paraffin.
Auxiliary agent is made up of following steps：
1) by weight, take 26 parts of colloid attapulgite, 13 parts of silicon-carbon matter power plant straw ash, calgon and liquid
42 parts of state ispol, which is added to the water, is made into suspension, at 36 DEG C, stirs half an hour；
2) suspension 1L is taken, 5 parts of acrylic-ethylene alcohol copolymers, 0.5 part of polyacrylic acid, 0.3 part of sodium Diacetate, 0.4 part are added
Dimethyl fumarate, 0.4 part of N, N '-methylene-bisacrylamide and 0.3 part of hydrogen peroxide, stir at 30 DEG C and use ray
Irradiation, then dries to constant weight at 55 DEG C, crushes, cross 200 mesh sieves, powder is made；
3) take 11 parts of powder uniformly to be mixed with 2.5 parts of isobutyiene-maieic anhydride copolymers, produce auxiliary agent.
Acidproof, water conservation forestry chemical fertilizer preparation method, comprises the following steps：
1）By weight, silkworm excrement, urea, potassium dihydrogen phosphate, attapulgite, humic acid are taken, 100 mesh are crushed to respectively, it is standby；
2）Silkworm excrement through During High-Temperature Composting, deodorization, sterilize, become thoroughly decomposed, drying and other treatment, urea, potassium dihydrogen phosphate, attapulgite and humic acid
It is dissolved in water nutrient solution is made and be sprayed onto in the dry silkworm excrement become thoroughly decomposed, it is 15-20% that silkworm excrement, which is dried to water content, will be formulated each composition and mix
Granulated after conjunction, granulate a diameter of 3mm, obtain acidproof, water conservation forest land chemical fertilizer.
Embodiment 2：
Acidproof, water conservation forestry chemical fertilizer specially, is made up of following component and parts by weight：42 parts of silkworm excrement, 23 parts of urea, potassium dihydrogen phosphate
15 parts, 1.1 parts of sodium lignin sulfonate, 27 parts of attapulgite, 6 parts of humic acid, 3 parts of auxiliary agent, 0.3 part of anticaking agent.
Anticaking agent is made up of following component and parts by weight：16 parts of difluoro enanthol sulphosuccinates, dodecyl two
0.2 part of methyl oxidation amine, carbon atom quantity for 6 ~ 40 primary amine salt or 24 parts of secondary amine salt, 26 parts of phosphatide oil, 23 parts of fatty acid ester,
28 parts of aliphatic acid, 17 parts of paraffin.
Auxiliary agent is made up of following steps：
1) by weight, take 26 parts of colloid attapulgite, 14 parts of silicon-carbon matter power plant straw ash, calgon and liquid
44 parts of state ispol, which is added to the water, is made into suspension, at 36 DEG C, stirs half an hour；
2) suspension 1L is taken, 5 parts of acrylic-ethylene alcohol copolymers, 0.2 part of polyacrylic acid, 0.6 part of sodium Diacetate, 0.4 part are added
Dimethyl fumarate, 0.33 part of N, N '-methylene-bisacrylamide and 0.25 part of hydrogen peroxide, the stirring and with penetrating at 30 DEG C
Line irradiates, and then dries to constant weight, crushes at 55 DEG C, cross 200 mesh sieves, powder is made；
3) take 12 parts of powder uniformly to be mixed with 3 parts of isobutyiene-maieic anhydride copolymers, produce auxiliary agent.
Acidproof, water conservation forestry chemical fertilizer preparation method, comprises the following steps：
1）By weight, silkworm excrement, urea, potassium dihydrogen phosphate, attapulgite, humic acid are taken, 90 mesh are crushed to respectively, it is standby；
2）Silkworm excrement through During High-Temperature Composting, deodorization, sterilize, become thoroughly decomposed, drying and other treatment, urea, potassium dihydrogen phosphate, attapulgite and humic acid
It is dissolved in water nutrient solution is made and be sprayed onto in the dry silkworm excrement become thoroughly decomposed, it is 15-20% that silkworm excrement, which is dried to water content, will be formulated each composition and mix
Granulated after conjunction, granulate a diameter of 3mm, obtain acidproof, water conservation forest land chemical fertilizer.
The prior art of routine techniques dawn known to those skilled in the art in above-described embodiment, such as deodorization, sterilizing,
The routine techniques such as drying and other treatment, therefore in this not go into detail.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although right with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that, it still can be to foregoing embodiments
Described technical scheme is modified or these modifications or replacement to which part technical characteristic progress equivalent substitution,
The essence of appropriate technical solution is not set to depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. acidproof, water conservation forestry chemical fertilizer specially, it is characterised in that：The chemical fertilizer is made up of following component and parts by weight：Silkworm excrement 35-
55 parts, 8-37 parts of urea, 5-17 parts of potassium dihydrogen phosphate, 1-2 parts of sodium lignin sulfonate, 20-45 parts of attapulgite, humic acid 5-10
Part, 1-5 parts of auxiliary agent, 0.2-0.8 parts of anticaking agent.
2. acidproof, water conservation forestry chemical fertilizer specially according to claim 1, it is characterised in that：The anticaking agent is by following
Composition and parts by weight composition：Ten 5-25 parts of difluoro enanthol sulphosuccinates, DDAO 0.1-0.6
The primary amine salt or 5-35 parts of secondary amine salt, 10-50 parts of phosphatide oil, 5-50 parts of fatty acid ester, aliphatic acid of part, carbon atom quantity for 6 ~ 40
5-30 parts, 1-20 parts of paraffin.
3. acidproof, water conservation forestry chemical fertilizer specially according to claim 1, it is characterised in that：The auxiliary agent is by following steps
It is made：
1) by weight, take 25-30 parts of colloid attapulgite, 12-16 parts of silicon-carbon matter power plant straw ash, hexa metaphosphoric acids
Sodium is added to the water with 40-50 parts of liquid ispol and is made into suspension, at 36 DEG C, stirs half an hour；
2) suspension 1L is taken, 4-6 parts of acrylic-ethylene alcohol copolymers, 0.1-0.6 parts of polyacrylic acid, 0.2-1 parts of diacetic acids are added
Sodium, 0.1-0.5 parts of dimethyl fumarates, 0.3-0.5 parts of N, N '-methylene-bisacrylamide and 0.2-0.4 parts of hydrogen peroxide,
Stirred at 30 DEG C and use radiation exposure, then dried to constant weight, crush at 55 DEG C, cross 200 mesh sieves, powder is made；
3) take 10-12 parts of powder uniformly to be mixed with 2-3 parts of isobutyiene-maieic anhydride copolymers, produce auxiliary agent.
4. the preparation method of acidproof water conservation forestry chemical fertilizer, it is characterised in that：Comprise the following steps：
1）By weight, silkworm excrement, urea, potassium dihydrogen phosphate, attapulgite, humic acid are taken, 80-120 mesh is crushed to respectively, it is standby
With；
2）Silkworm excrement through During High-Temperature Composting, deodorization, sterilize, become thoroughly decomposed, drying and other treatment, urea, potassium dihydrogen phosphate, attapulgite and humic acid
Be dissolved in water nutrient solution be made and be sprayed onto in the dry silkworm excrement become thoroughly decomposed, silkworm excrement drying will be formulated granulation after each composition mixing, obtain it is acidproof,
Water conservation forest land chemical fertilizer.
5. acidproof, water conservation forestry chemical fertilizer preparation method according to claim 4, it is characterised in that：The drying work
Skill is：Use equipment, Drying；The dry silkworm excrement for being sprayed with nutrient solution is inputted into Drying, drying obtains water content for 15-20%
Drying granule materials.
6. acidproof, water conservation forestry chemical fertilizer preparation method according to claim 4, it is characterised in that：In the step 2
Granulate a diameter of 2-4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116144.7A CN107032875A (en) | 2017-03-01 | 2017-03-01 | Acidproof, water conservation forestry chemical fertilizer and auxiliary agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116144.7A CN107032875A (en) | 2017-03-01 | 2017-03-01 | Acidproof, water conservation forestry chemical fertilizer and auxiliary agent |
Publications (1)
| Publication Number | Publication Date |
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| CN107032875A true CN107032875A (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710116144.7A Pending CN107032875A (en) | 2017-03-01 | 2017-03-01 | Acidproof, water conservation forestry chemical fertilizer and auxiliary agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109329278A (en) * | 2018-11-22 | 2019-02-15 | 江苏擎宇化工科技有限公司 | A kind of surface activator composition and its preparation method and application |
| CN110256141A (en) * | 2019-06-11 | 2019-09-20 | 安徽富瑞雪化工科技股份有限公司 | It is a kind of to be retained, be sustained, anti-caking multifunction chemical fertilizer auxiliary agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555178A (en) * | 2009-05-25 | 2009-10-14 | 自贡市鸿康实业有限公司 | Anti-caking agent for fertilizer and preparation method and applications thereof |
| CN103420709A (en) * | 2012-05-25 | 2013-12-04 | 苏丽娟 | Natural mineral matter composite fertilizer |
| CN103467197A (en) * | 2013-09-10 | 2013-12-25 | 中国科学院合肥物质科学研究院 | Acid-proof, moisture-holding and superactive special fertilizer technology for forestry and additive |
-
2017
- 2017-03-01 CN CN201710116144.7A patent/CN107032875A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555178A (en) * | 2009-05-25 | 2009-10-14 | 自贡市鸿康实业有限公司 | Anti-caking agent for fertilizer and preparation method and applications thereof |
| CN103420709A (en) * | 2012-05-25 | 2013-12-04 | 苏丽娟 | Natural mineral matter composite fertilizer |
| CN103467197A (en) * | 2013-09-10 | 2013-12-25 | 中国科学院合肥物质科学研究院 | Acid-proof, moisture-holding and superactive special fertilizer technology for forestry and additive |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109329278A (en) * | 2018-11-22 | 2019-02-15 | 江苏擎宇化工科技有限公司 | A kind of surface activator composition and its preparation method and application |
| CN110256141A (en) * | 2019-06-11 | 2019-09-20 | 安徽富瑞雪化工科技股份有限公司 | It is a kind of to be retained, be sustained, anti-caking multifunction chemical fertilizer auxiliary agent |
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Application publication date: 20170811 |
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