CN110483126A - A kind of multielement compound phosphatic fertilizer and preparation method thereof - Google Patents

A kind of multielement compound phosphatic fertilizer and preparation method thereof Download PDF

Info

Publication number
CN110483126A
CN110483126A CN201910893949.1A CN201910893949A CN110483126A CN 110483126 A CN110483126 A CN 110483126A CN 201910893949 A CN201910893949 A CN 201910893949A CN 110483126 A CN110483126 A CN 110483126A
Authority
CN
China
Prior art keywords
parts
magnesia
content
phosphatic fertilizer
compound phosphatic
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
CN201910893949.1A
Other languages
Chinese (zh)
Inventor
冉瑞泉
刘立锋
肖升
赵江华
邓喜
白长凡
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.)
Chemical Industry Co Ltd Of Wengfu Dazhou City
Original Assignee
Chemical Industry Co Ltd Of Wengfu Dazhou City
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 Chemical Industry Co Ltd Of Wengfu Dazhou City filed Critical Chemical Industry Co Ltd Of Wengfu Dazhou City
Priority to CN201910893949.1A priority Critical patent/CN110483126A/en
Publication of CN110483126A publication Critical patent/CN110483126A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Landscapes

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

Abstract

The invention discloses a kind of multielement compound phosphatic fertilizers and preparation method thereof, the multielement compound phosphatic fertilizer includes the raw material of following weight parts composition: 300~400 parts of phosphoric acid, 160~200 parts of liquefied ammonia, 100~150 parts of potassium sulfate, 80~160 parts of sulfuric acid, 8~10 parts of magnesia, 3~5 parts of nutrition packet;The nutrition packet be comprising element zinc, boron, manganese powder or Zinc oxide powder.Compared to traditional phosphate fertilizer product, such as Diammonium phosphate (DAP), compound phosphatic fertilizer provided by the invention, nutrient is more complete, not only containing macronutrient nitrogen, phosphorus, potassium needed for plant growth, also containing secondary-element sulfur, magnesium and various trace elements boron, iron, manganese, zinc etc., nutrient is complete, effect is comprehensive, and volume increase, increasing matter, synergy are obvious.

Description

A kind of multielement compound phosphatic fertilizer and preparation method thereof
Technical field
The present invention relates to a kind of multielement compound phosphatic fertilizers and preparation method thereof, belong to fertilizer chemical technology field.
Background technique
Phosphate fertilizer full name phosphorus element fertilizer is the chemical fertilizer containing crop nutrient phosphorus produced using phosphorus ore as raw material, phosphate fertilizer fertilizer The size (significance degree) and speed of effect be decided by the content, soil property of effective phosphorus pentoxide in phosphate fertilizer, put fertile method, Crop species etc..
When phosphate fertilizer is appropriate, crop tiller and precocity can be promoted, reinforce its cold tolerance, crop yield can be increased, changed Kind crop quality accelerates cereal crops tiller and promotes full seed;Promote opening for cotton, melon, solanaceous vegetables and fruit tree Flower is as a result, improve fruiting rate;Increase the sugar of beet, sugarcane, watermelon etc., the oil content of rapeseed.
Phosphorus is the component of cellular plasm in plant, is played an important role to the growth and proliferation of cell;Phosphorus also participates in The photosynthesis of plant life process, the utilization of sugar and starch and the transmittance process of energy.Phosphate fertilizer can also promote plant seedling stage root The growth of system makes plant do sth. in advance maturation.In result, phosphorus is largely transferred in seed plant, so that full seed.
Crop lack phosphorus when slow growth, it is short and small it is thin and weak, upright, branch is few, leaf is small easy to fall off;Color is general, in dark green or Often there is aubergine in celadon, leaf margin and petiole;Root system development is bad, delay of maturation, and yield and quality reduces.Aphosphorosis shape one As first since basal part of stem old leaf, gradually development upwards.
Earliest phosphate fertilizer is calcium superphosphate, gradually by high concentrations such as double superhosphate, monoammonium phosphate and Diammonium phosphate (DAP) Phosphate fertilizer replaces.Monoammonium phosphate and Diammonium phosphate (DAP) belong to the binary chemical fertilizer containing nitrogen and phosphorus element.But existing Phosphorus Nutrient element It is universal all relatively simple, a kind of more comprehensive phosphate fertilizer of nutrient is needed, to promote the raising of crop yield and quality.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of multielement compound phosphatic fertilizer and Preparation method promotes crop yield, the raising of quality to enrich the trophic component of existing phosphate fertilizer.
To achieve the above object, present invention firstly provides a kind of multielement compound phosphatic fertilizers, it includes following weight parts group At raw material: 300~400 parts of phosphoric acid, 160~200 parts of liquefied ammonia, 100~150 parts of potassium sulfate, 80~160 parts of sulphur Acid, 8~10 parts of magnesia, 3~5 parts of nutrition packet;
The nutrition packet be comprising element zinc, boron, manganese powder or Zinc oxide powder.
Preferably, above-mentioned compound phosphatic fertilizer includes the raw material of following weight parts composition: 350 parts of phosphoric acid, 190 parts of liquid Ammonia, 115 parts of potassium sulfate, 155 parts of sulfuric acid, 10 parts of magnesia, 5 parts of nutrition packet;The nutrition packet be comprising element zinc, 52% specification Quan Jiafu can be made in the powder of boron, manganese.
Preferably, above-mentioned compound phosphatic fertilizer includes the raw material of following weight parts composition: 380 parts of phosphoric acid, 180 parts of liquid Ammonia, 135 parts of potassium sulfate, 85 parts of sulfuric acid, 10 parts of magnesia, 3 parts of Zinc oxide powders can be made 57% specification and sow entirely Good fortune.
Quan Jiafu is that patent applicant of the present invention names the inside of compound phosphatic fertilizer of the present invention, and 52% or 57% is to sow entirely The total mass fraction of N, P, K nutrient in good fortune product.
Further, P in the phosphoric acid2O5Content 29~46%, NH in liquefied ammonia3Content >=99.5%, in potassium sulfate K2SO4Content >=90%, H in sulfuric acid2SO4Content is 93~98%, content of MgO >=80% in magnesia.
Further, the content of Zn-ef ficiency is 10~12% in the nutrition packet, and the content of boron element is 5~6%, manganese member The content of element is 5~6%.
Further, ZnO content is >=90% in the Zinc oxide powder.
Meanwhile the present invention also provides the preparation methods of above-mentioned compound phosphatic fertilizer, specifically include the following steps:
(1) phosphoric acid, liquefied ammonia and sulfuric acid are added in tubular reactor and generate sulphur-containing diammonium phosphate slurry;
(2) potassium sulfate is added to the masterbatch bed of pelletizer through the returning charge conveyer of DAP device;
(3) nutrition packet and magnesia are added to the masterbatch bed of pelletizer through the microelement bucket elevator of DAP device;
(4) under the rotation of pelletizer, potassium sulfate, magnesia, nutrition packet and the sulphur-containing diammonium phosphate material of sprinkling of powdery Slurry be sufficiently mixed, self-adhesive granulating, after drying, screening be compound phosphatic fertilizer product of the present invention;
The parts by weight of above-mentioned raw materials form are as follows: 300~400 parts of phosphoric acid, 160~200 parts of liquefied ammonia, 100~150 parts Potassium sulfate, 80~160 parts of sulfuric acid, 8~10 parts of magnesia, 3~5 parts of nutrition packet;
The nutrition packet be comprising element zinc, boron, manganese powder or Zinc oxide powder.
Further, preparation method provided by the invention further includes step (5): the product after granulation is after drying, screening It is put into packing machine, package oil and nitrification inhibitor is put into packing machine, nitrification inhibitor is wrapped in the surface of granulation product; The package oil is amination oil, and the nitrification inhibitor is N-serve, and additional amount is that every kg granulation product adds Enter the nitrification inhibitor of 0.3-1kg.
Nitrification inhibitor can be wrapped in the surface of phosphate fertilizer product of the present invention by step (5), realize adding for nitrification inhibitor Add, to inhibit the nitrification in soil, denitrification and nitrosification, prevents NH4 +To NO2 -And NO3 -Conversion, improve this hair The utilization rate of bright compound phosphatic fertilizer.
The effect of various nutrients is as follows in compound phosphatic fertilizer of the present invention:
Nitrogen can promote cauline leaf in great numbers, and tiller increases, full grain, improve the yield and its protein content of crop.Phosphorus can Various Metabolism of Normal are promoted to carry out, plant growth and development is good, while improving the winter resistance and drought resistance of plant.Potassium can promote light Cooperation is used, and is promoted the synthesis of protein, is enhanced the toughness of crop stem, enhances the resistant to lodging and resistant to diseases and insects of crop, mention The drought resisting of high crop and scarce cold ability.
Moderate-element magnesium is the component of chlorophyll, and the activator of many enzymes can enhance various metabolic processes in crop body, is made When object magnesium deficiency, chlorophyll is reduced, and photosynthesis weakens, and the formation of carbohydrate, protein, fat can be all suppressed;Sulphur It is the component of protein and nucleic acid, is the constituent of many coenzyme, when crop a lack of sulfur, the biosynthesis block of protein etc., Plant is short and small, and chlorophyll reduces, and tiller branch is few.
Microelement includes boron, zinc etc., plant except need the elements such as potassium, phosphorus, nitrogen as nutriment in addition to, it is also necessary to absorb pole For a small amount of microelement as nutriment, these requirements are few, but are again element necessary to vital movement, are called micro Element.Although it is seldom in crop in-vivo content, the growth and development of plant is played a crucial role, is in plant The component part of enzyme or coenzyme has very strong specificity, is that crop growth is indispensable and can not mutually replace, because When plant lacks any microelement, growth and development can all be resisted, and the underproduction and quality decline are caused for this.When For plant in the case where microelement abundance, physiological function will be very vigorous, this is conducive to absorption of the crop to a great number of elements It utilizes, can also improve the colloid chemistry property of cellular plasm, so that plasmic concentration be made to increase, enhance crop to bad ring The resistance in border.
Compared to traditional phosphate fertilizer product, such as Diammonium phosphate (DAP), compound phosphatic fertilizer provided by the invention, nutrient is neater Entirely, not only containing macronutrient nitrogen, phosphorus, potassium needed for plant growth, also containing secondary-element sulfur, magnesium and lot of trace member Plain boron, iron, manganese, zinc etc., nutrient is complete, and effect is comprehensive, and volume increase, increasing matter, synergy are obvious.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention The present invention is described in further detail.Obviously, described embodiment is only section Example of the invention, rather than complete The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, shall fall within the protection scope of the present invention.
The raw materials used standard of following embodiments are as follows:
P in phosphoric acid2O5Content 29~46%;
NH in liquefied ammonia3Content >=99.5%;
K in potassium sulfate2SO4Content >=90%;
H in sulfuric acid2SO4Content is 93~98%;
Content of MgO >=80% in magnesia;
The content of Zn-ef ficiency is 10~12% in nutrition packet, and the content of boron element is 5~6%, the content of manganese element is 5~ 6%;
ZnO content is >=90% in Zinc oxide powder.
Embodiment 1:
A kind of multielement compound phosphatic fertilizer, according to the mass fraction, composition of raw materials are as follows:
300 parts of phosphoric acid, 160 parts of liquefied ammonia, 100 parts of potassium sulfate, 80 parts of sulfuric acid, 8 parts of magnesia, 3 parts of battalion Support packet;
Preparation method specifically includes the following steps:
(1) phosphoric acid, liquefied ammonia and sulfuric acid are added in tubular reactor and generate sulphur-containing diammonium phosphate slurry;
(2) potassium sulfate is added to the masterbatch bed of pelletizer through the returning charge conveyer of DAP device;
(3) nutrition packet and magnesia are added to the masterbatch bed of pelletizer through the microelement bucket elevator of DAP device;
(4) under the rotation of pelletizer, potassium sulfate, magnesia, nutrition packet and the sulphur-containing diammonium phosphate material of sprinkling of powdery Slurry be sufficiently mixed, self-adhesive granulating, after drying, screening.
The quality index of compound phosphatic fertilizer product obtained see the table below 1.
Embodiment 2:
A kind of multielement compound phosphatic fertilizer, as mass fraction, composition of raw materials are as follows:
400 parts of phosphoric acid, 200 parts of liquefied ammonia, 150 parts of potassium sulfate, 160 parts of sulfuric acid, 10 parts of magnesia, 5 parts Zinc oxide powder;
Preparation method specifically includes the following steps:
(1) phosphoric acid, liquefied ammonia and sulfuric acid are added in tubular reactor and generate sulphur-containing diammonium phosphate slurry;
(2) potassium sulfate is added to the masterbatch bed of pelletizer through the returning charge conveyer of DAP device;
(3) nutrition packet and magnesia are added to the masterbatch bed of pelletizer through the microelement bucket elevator of DAP device;
(4) under the rotation of pelletizer, potassium sulfate, magnesia, nutrition packet and the sulphur-containing diammonium phosphate material of sprinkling of powdery Slurry be sufficiently mixed, self-adhesive granulating, after drying, screening.
The quality index of compound phosphatic fertilizer product obtained see the table below 2.
Embodiment 3:
A kind of multielement compound phosphatic fertilizer, as mass fraction, composition of raw materials are as follows:
350 parts of phosphoric acid, 190 parts of liquefied ammonia, 115 parts of potassium sulfate, 155 parts of sulfuric acid, 10 parts of magnesia, 5 parts Nutrition packet;
Preparation method specifically includes the following steps:
(1) phosphoric acid, liquefied ammonia and sulfuric acid are added in tubular reactor and generate sulphur-containing diammonium phosphate slurry;
(2) potassium sulfate is added to the masterbatch bed of pelletizer through the returning charge conveyer of DAP device;
(3) nutrition packet and magnesia are added to the masterbatch bed of pelletizer through the microelement bucket elevator of DAP device;
(4) under the rotation of pelletizer, potassium sulfate, magnesia, nutrition packet and the sulphur-containing diammonium phosphate material of sprinkling of powdery Slurry is sufficiently mixed, self-adhesive granulating, dry, crosses 4mm sieve;
(5) product after sieving is put into packing machine, package oil and nitrification inhibitor is put into packing machine, nitrification is pressed down Preparation is wrapped in the surface of granulation product;The package oil is amination oil, and the nitrification inhibitor is chloro- tri- chloromethane of 6- of 2- Yl pyridines, additional amount are the nitrification inhibitor that 0.3-1kg is added in every kg granulation product.
The quality index of compound phosphatic fertilizer product obtained see the table below 1.
Embodiment 4:
A kind of multielement compound phosphatic fertilizer, as mass fraction, composition of raw materials are as follows:
380 parts of phosphoric acid, 180 parts of liquefied ammonia, 135 parts of potassium sulfate, 85 parts of sulfuric acid, 10 parts of magnesia, 3 parts of oxidations Zinc powder;
Preparation method specifically includes the following steps:
(1) phosphoric acid, liquefied ammonia and sulfuric acid are added in tubular reactor and generate sulphur-containing diammonium phosphate slurry;
(2) potassium sulfate is added to the masterbatch bed of pelletizer through the returning charge conveyer of DAP device;
(3) nutrition packet and magnesia are added to the masterbatch bed of pelletizer through the microelement bucket elevator of DAP device;
(4) under the rotation of pelletizer, potassium sulfate, magnesia, nutrition packet and the sulphur-containing diammonium phosphate material of sprinkling of powdery Slurry is sufficiently mixed, self-adhesive granulating, dry, crosses 4mm sieve;
(5) product after sieving is put into packing machine, package oil and nitrification inhibitor is put into packing machine, nitrification is pressed down Preparation is wrapped in the surface of granulation product;The package oil is amination oil, and the nitrification inhibitor is chloro- tri- chloromethane of 6- of 2- Yl pyridines, additional amount are the nitrification inhibitor that 0.3-1kg is added in every kg granulation product.
The quality index of compound phosphatic fertilizer product obtained see the table below 2.
1 52% specification compound phosphatic fertilizer quality index of table
2 57% specification compound phosphatic fertilizer quality index of table
As can be known from the above table, compound phosphatic fertilizer product produced by the present invention has reached quality standard, and nutrient is complete.
Application Example
Compound phosphatic fertilizer product made from the embodiment of the present invention 1 to 4 and existing Diammonium phosphate (DAP) phosphate fertilizer product are applied respectively Onto the rice in the same agricultural experiment field in Dazhou City Qu County, cotton, Potato cultivars, per mu yield as shown in the table below:
Traditional diammonium phosphate product, product of the present invention obvious effect of increasing production are compared, rice yield averagely improves 12.1%, Output of cotton averagely improves 13.5%, and potato yield averagely improves 14.3%.
To sum up, compound phosphatic fertilizer provided by the invention, nutrient is more complete, not only containing a large amount of needed for plant growth Nutrient nitrogen, phosphorus, potassium, also containing secondary-element sulfur, magnesium and various trace elements boron, iron, manganese, zinc etc., nutrient is complete, effect Comprehensively, volume increase, increasing matter, synergy are obvious.
It should be pointed out that above embodiment is not construed as limitation of the present invention, protection scope of the present invention should It is defined by the scope defined by the claims..For those skilled in the art, do not depart from it is of the invention In spirit and scope, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.

Claims (8)

1. a kind of multielement compound phosphatic fertilizer, it is characterised in that: the raw material including following weight parts composition:
300~400 parts of phosphoric acid, 160~200 parts of liquefied ammonia, 100~150 parts of potassium sulfate, 80~160 parts of sulfuric acid, 8~ 10 parts of magnesia, 3~5 parts of nutrition packet;
The nutrition packet be comprising element zinc, boron, manganese powder or Zinc oxide powder.
2. a kind of multielement compound phosphatic fertilizer according to claim 1, it is characterised in that: the original including following weight parts composition Material: 350 parts of phosphoric acid, 190 parts of liquefied ammonia, 115 parts of potassium sulfate, 155 parts of sulfuric acid, 10 parts of magnesia, 5 parts of nutrition Packet;The nutrition packet be comprising element zinc, boron, manganese powder.
3. a kind of multielement compound phosphatic fertilizer according to claim 1, it is characterised in that: the original including following weight parts composition Material: 380 parts of phosphoric acid, 180 parts of liquefied ammonia, 135 parts of potassium sulfate, 85 parts of sulfuric acid, 10 parts of magnesia, 3 parts of oxide powder and zincs End.
4. a kind of multielement compound phosphatic fertilizer according to any one of claim 1 to 3, it is characterised in that: in the phosphoric acid P2O5Content 29~46%, NH in liquefied ammonia3Content >=99.5%, K in potassium sulfate2SO4Content >=90%, H in sulfuric acid2SO4Contain Amount is 93~98%, content of MgO >=80% in magnesia.
5. a kind of multielement compound phosphatic fertilizer according to claim 1 or 2, it is characterised in that: Zn-ef ficiency in the nutrition packet Content be 10~12%, the content of boron element is 5~6%, and the content of manganese element is 5~6%.
6. a kind of multielement compound phosphatic fertilizer according to claim 1 or 3, it is characterised in that: ZnO in the Zinc oxide powder Content is >=90%.
7. a kind of preparation method of multielement compound phosphatic fertilizer, it is characterised in that: include the following steps:
(1) phosphoric acid, liquefied ammonia and sulfuric acid are added in tubular reactor and generate sulphur-containing diammonium phosphate slurry;
(2) potassium sulfate is added to the masterbatch bed of pelletizer through the returning charge conveyer of DAP device;
(3) nutrition packet and magnesia are added to the masterbatch bed of pelletizer through the microelement bucket elevator of DAP device;
(4) under the rotation of pelletizer, potassium sulfate, magnesia, nutrition packet and the sulphur-containing diammonium phosphate slurry of sprinkling of powdery fill Divide mixing, self-adhesive granulating, is compound phosphatic fertilizer product of the present invention after drying, screening;
The parts by weight of above-mentioned raw materials form are as follows: 300~400 parts of phosphoric acid, 160~200 parts of liquefied ammonia, 100~150 parts of sulfuric acid Potassium, 80~160 parts of sulfuric acid, 8~10 parts of magnesia, 3~5 parts of nutrition packet;
The nutrition packet be comprising element zinc, boron, manganese powder or Zinc oxide powder.
8. a kind of preparation method of multielement compound phosphatic fertilizer according to claim 7, it is characterised in that: further include step (5): the product after granulation is put into packing machine after drying, screening, package oil and nitrification inhibitor is put into packing machine, by nitre Change the surface that inhibitor is wrapped in granulation product;The package oil is amination oil, and the nitrification inhibitor is chloro- tri- chloromethane of 6- of 2- Yl pyridines, additional amount are the nitrification inhibitor that 0.3-1kg is added in every kg granulation product.
CN201910893949.1A 2019-09-20 2019-09-20 A kind of multielement compound phosphatic fertilizer and preparation method thereof Pending CN110483126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910893949.1A CN110483126A (en) 2019-09-20 2019-09-20 A kind of multielement compound phosphatic fertilizer and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910893949.1A CN110483126A (en) 2019-09-20 2019-09-20 A kind of multielement compound phosphatic fertilizer and preparation method thereof

Publications (1)

Publication Number Publication Date
CN110483126A true CN110483126A (en) 2019-11-22

Family

ID=68558840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910893949.1A Pending CN110483126A (en) 2019-09-20 2019-09-20 A kind of multielement compound phosphatic fertilizer and preparation method thereof

Country Status (1)

Country Link
CN (1) CN110483126A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105209A (en) * 1986-08-16 1987-03-25 赵宁晨 A kind of high-efficiency foliage fertilizer and production method
CN1298850A (en) * 1999-12-07 2001-06-13 新疆农垦科学院农业新技术推广服务中心 Fertilizer for spray or drip irrigation and its preparing process
CN1948234A (en) * 2006-01-09 2007-04-18 安徽省宁国司尔特化肥有限公司 High nitrogen sulfur base nitrogen phosphorus potassium slow release composite fertilizer and its production method
CN101121615A (en) * 2006-08-10 2008-02-13 河北天人化工股份有限公司 Disposable corn composite fertilizer and producing technique thereof
CN101648838A (en) * 2009-07-23 2010-02-17 瓮福(集团)有限责任公司 Method for producing granular ammonium sulfate by using crystalline ammonium sulfate or powdery ammonium sulfate
CN102206107A (en) * 2010-03-31 2011-10-05 王茂国 Production method for tobacco-specific fertilizer
CN102701829A (en) * 2012-07-09 2012-10-03 深圳市芭田生态工程股份有限公司 Compound fertilizer produced by means of high-tower-pipe type reaction method
CN104355734A (en) * 2014-10-24 2015-02-18 瓮福(集团)有限责任公司 Production method of ammonium sulfate-ammonium phosphate composite fertilizer
CN106278483A (en) * 2016-08-24 2017-01-04 湖北祥云(集团)化工股份有限公司 A kind of 20 20 0 13 production of sulfur-based compound fertilizer methods
CN106380337A (en) * 2016-08-28 2017-02-08 安徽省司尔特肥业股份有限公司 Preparation method of multilayer-coated slow release fertilizer for wheat

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86105209A (en) * 1986-08-16 1987-03-25 赵宁晨 A kind of high-efficiency foliage fertilizer and production method
CN1298850A (en) * 1999-12-07 2001-06-13 新疆农垦科学院农业新技术推广服务中心 Fertilizer for spray or drip irrigation and its preparing process
CN1948234A (en) * 2006-01-09 2007-04-18 安徽省宁国司尔特化肥有限公司 High nitrogen sulfur base nitrogen phosphorus potassium slow release composite fertilizer and its production method
CN101121615A (en) * 2006-08-10 2008-02-13 河北天人化工股份有限公司 Disposable corn composite fertilizer and producing technique thereof
CN101648838A (en) * 2009-07-23 2010-02-17 瓮福(集团)有限责任公司 Method for producing granular ammonium sulfate by using crystalline ammonium sulfate or powdery ammonium sulfate
CN102206107A (en) * 2010-03-31 2011-10-05 王茂国 Production method for tobacco-specific fertilizer
CN102701829A (en) * 2012-07-09 2012-10-03 深圳市芭田生态工程股份有限公司 Compound fertilizer produced by means of high-tower-pipe type reaction method
CN104355734A (en) * 2014-10-24 2015-02-18 瓮福(集团)有限责任公司 Production method of ammonium sulfate-ammonium phosphate composite fertilizer
CN106278483A (en) * 2016-08-24 2017-01-04 湖北祥云(集团)化工股份有限公司 A kind of 20 20 0 13 production of sulfur-based compound fertilizer methods
CN106380337A (en) * 2016-08-28 2017-02-08 安徽省司尔特肥业股份有限公司 Preparation method of multilayer-coated slow release fertilizer for wheat

Similar Documents

Publication Publication Date Title
CN102351602B (en) Synchronous nutrition fertilizers, preparation methods thereof and applications thereof
CN102557836A (en) Fertilizer special for high-quality high-yield southern citrus and preparation method thereof
CN103224420A (en) Rice special fertilizer
CN102690140A (en) Special water retention fertilizer for sweet potatoes and preparation method thereof
CN104788164A (en) Special fertilizer for strawberries as well as preparation method and fertilizing method of fertilizer
CN102557833B (en) Special fertilizer for strawberries
CN107056500A (en) One kind promotes photosynthesis liquid fertilizer
CN101973801A (en) Special balancing fertilizer for cabbages
CN101891540B (en) Quick-acting nutrition nitrogenous fertilizer
CN115024147B (en) Fertilizing method for improving high-quality fruit rate of red crisp pears
CN101417905A (en) Applications of long acting complex fertilizer in Nanguo pear cultivation
CN106966816A (en) Compound fertilizer specially used for potato, preparation method and application process
CN104206142B (en) A kind of cultivation method of rich selenium zinc-iron wheat
CN106631634A (en) Special drip irrigation fertilizer for potatoes containing nitrification inhibitor and preparation method thereof
CN106883057A (en) A kind of swollen soil promotees seedling liquid fertilizer
CN102771239A (en) Method for improving nano-selenium fertilizer absorption efficiency of corn
CN110483126A (en) A kind of multielement compound phosphatic fertilizer and preparation method thereof
CN107573141A (en) A kind of slow-release fertilizer and preparation method for being used to plant Kiwi berry
CN102584487A (en) Special fertilizer for high-quality and high-yield green cherry culture in fresh water and sea water source areas
CN103449887A (en) Fruit setting fertilizer for increasing yield of peaches
CN105566006A (en) Compound fertilizer with castor oil residues and method for preparing compound fertilizer
CN112661559A (en) Chelated compound trace element fertilizer and preparation method thereof
CN102381899A (en) Compound organic fertilizer formula and application method
CN112010709A (en) Tobacco sustained and controlled release integrated fertilizer, preparation process and use method thereof
CN106810327A (en) A kind of paddy rice-dedicated fertilizer

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20191122

RJ01 Rejection of invention patent application after publication