CN107540441A - A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid - Google Patents
A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid Download PDFInfo
- Publication number
- CN107540441A CN107540441A CN201710594389.0A CN201710594389A CN107540441A CN 107540441 A CN107540441 A CN 107540441A CN 201710594389 A CN201710594389 A CN 201710594389A CN 107540441 A CN107540441 A CN 107540441A
- Authority
- CN
- China
- Prior art keywords
- itaconic acid
- fertilizer
- solid
- synergist
- parts
- 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
Links
Landscapes
- Fertilizers (AREA)
Abstract
The invention discloses a kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid, including nitrogen fixation fertilizer, solid phosphate fertilizer and synergist；The nitrogen fixation fertilizer and solid phosphate fertilizer are to use to be copolymerized obtained polymer by itaconic acid, maleic anhydride and acetic anhydride, and the polymer is sprayed onto into conventional nitrogenous fertilizer or phosphate fertilizer surface, are well mixed and are made；The synergist is made up of ferric sulfate, ground phosphate rock, calcium lignosulfonate and potassium humate.The present invention can play preferable fixed nitrogen, solid phosphorus effect, the especially quantitative addition of acetic anhydride so that after polymer is combined with conventional nitrogenous fertilizer and phosphate fertilizer, the solid phosphorus effect of fixed nitrogen is significantly increased, while coordinates synergist to apply, the effect of further enhancing fertilizer, suppress pest and disease damage, improve crop yield.
Description
Technical field
The present invention relates to a kind of fertilizer, concretely relates to a kind of solid phosphorus of fixed nitrogen that crop yield is improved using itaconic acid
High-performance bio fertilizer.
Background technology
Fertilizer is to provide nutrient necessary to one or more kinds of plants, improves soil property, increases soil fertility
Horizontal a kind of material.Fertilizer is most important to plant growth and increasing crop yield.At present, the species of fertilizer generally comprises phosphorus
Fertilizer, nitrogenous fertilizer, bio-feritlizer and organic fertilizer etc..
In recent years, some patents and document, which disclose, uses biodegradable polymer and conventional Fertilizer combination,
To form compound fertilizer product.Patent of invention such as Patent No. 200980107905.6 discloses a kind of raising crop yield
Double salt fertilizer, its polymer polymerize to obtain using itaconic acid and maleic anhydride, then by obtained polymer and nitrogenous fertilizer and
Phosphate fertilizer mixes, and obtains double salt fertilizer.These compound fertilizer products, which can provide, is more available for plant or crop growth to absorb
Phosphorus, nitrogen etc., to improve crop yield.But nitrogenous fertilizer and phosphate fertilizer are consolidated through crop-planting experimental verification, above-mentioned double salt fertilizer
Nitrogen, solid phosphorus effect need further to be lifted, and above-mentioned double salt fertilizer are used cooperatively effect with conventional fertilizer synergist
It is unsatisfactory, it sometimes can also play the effect mutually suppressed, it is unfavorable to pest and disease damage inhibition during use, influence to make produce
Amount.
The content of the invention
Based on above-mentioned technical problem, the present invention provides a kind of solid phosphorus efficiency life of fixed nitrogen that crop yield is improved using itaconic acid
Thing fertilizer.
The adopted technical solution is that：
A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid, including nitrogen fixation fertilizer, solid phosphate fertilizer and
Synergist；
The nitrogen fixation fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by a1, and maleic anhydride and acetic acid are then added into the itaconic acid aqueous solution
Acid anhydride, itaconic acid are 1: 0.5: 0.6 with the mol ratio of maleic anhydride and acetic anhydride, obtain the first mixed liquor, then by the first mixing
Liquid is stirred and is warming up to 60-70 DEG C, and potassium peroxydisulfate is added into mixed liquor, and reaction obtains the first copolymer solution；
A2 adjusts the pH value of the first copolymer solution to 1-2, is then sprayed to urea surface, the first copolymer solution with
The mass ratio of urea is 0.1: 1-5, is uniformly mixed, then through drying, crushing, granulation, produce nitrogen fixation fertilizer；The solid phosphate fertilizer is
Using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by b1, and maleic anhydride and acetic acid are then added into the itaconic acid aqueous solution
Acid anhydride, itaconic acid are 1: 0.6: 0.6 with the mol ratio of maleic anhydride and acetic anhydride, obtain the second mixed liquor, then to the second mixing
TBHP and sodium chloride are added in liquid, reaction obtains the second copolymer solution；
B2 adjusts the pH value of the second copolymer solution to 8-9, is then sprayed to Diammonium phosphate (DAP) surface, and the second copolymer is molten
Liquid and the mass ratio of Diammonium phosphate (DAP) are 0.1: 1-10, are uniformly mixed, then through drying, crushing, granulation, produce solid phosphate fertilizer；
The synergist is made up of the composition of following weight：
Ferric sulfate 2-5 parts, ground phosphate rock 5-10 parts, calcium lignosulfonate 3-6 parts, potassium humate 2-5 parts；
The nitrogen fixation fertilizer, solid phosphate fertilizer and synergist are front and rear in fertilising to be applied successively, or is applied again after mixing；Fixed nitrogen
The amount ratio of fertilizer, solid phosphate fertilizer and synergist is 1: 0.1-0.5: 0.01-0.03, in terms of mass parts.
Preferably, the mass percent concentration of the itaconic acid aqueous solution is 5%-10%.
Preferably, in step a1：The dosage of the potassium peroxydisulfate and the mass ratio of itaconic acid dosage are 0.01-0.1.
Preferably, in step b1：The dosage of the TBHP and the mass ratio of itaconic acid dosage are 0.005-
0.3, the mol ratio of the itaconic acid and sodium chloride is 1: 1-1.2.
Preferably, the synergist is made up of the composition of following weight：It is 3 parts of ferric sulfate, 7 parts of ground phosphate rock, wooden
Plain 5 parts of sulfoacid calcium, 3 parts of potassium humate.
Preferably, the amount ratio of the nitrogen fixation fertilizer, solid phosphate fertilizer and synergist is 1: 0.2: 0.03.
The method have the benefit that：
The solid phosphorus efficiency bio-feritlizer of fixed nitrogen of the present invention is made up of nitrogen fixation fertilizer, solid phosphate fertilizer and synergist, three be administered simultaneously in
Crop soil, mutual coordinated can play stronger solid phosphorus, nitrogen fixation effect, the effect of strengthening fertilizer, suppress disease pest
Evil, improve crop yield.
Wherein nitrogen fixation fertilizer and solid phosphate fertilizer use itaconic acid, maleic anhydride and acetic anhydride respectively in potassium peroxydisulfate and the tert-butyl group
It polymerize under the initiation conditions of hydrogen peroxide, resulting polymers are well mixed with conventional nitrogenous fertilizer and phosphate fertilizer again, can be played preferably solid
Nitrogen, solid phosphorus effect, the especially quantitative addition of acetic anhydride so that after polymer is combined with conventional nitrogenous fertilizer and phosphate fertilizer, the solid phosphorus of fixed nitrogen
Effect is significantly increased.Meanwhile the raw material and proportioning of synergist are selected, can be with the mutually auxiliary phase of the solid phosphate fertilizer of fixed nitrogen
Into, coordinated, crop growth is more provided and absorbs the nutrients such as required phosphorus, nitrogen, and can be to a certain extent
Suppress pest and disease damage, and cause nitrogen and phosphorus of the polymer with nitrogenous fertilizer or in phosphate fertilizer are more firm to combine, slowly release, to reach fertilizer
Nutrients release absorbs basic synchronization with crop nutrition content, and the mesh of plant growth needs can be met in the growth period of whole crop
, integrate and significantly improve crop yield.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid, including nitrogen fixation fertilizer, solid phosphate fertilizer and
Synergist.
The nitrogen fixation fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by a1, and the mass percent concentration of the itaconic acid aqueous solution is 7%, Ran Houxiang
Maleic anhydride and acetic anhydride are added in the itaconic acid aqueous solution, itaconic acid is 1: 0.5 with the mol ratio of maleic anhydride and acetic anhydride:
0.6, the first mixed liquor is obtained, then the first mixed liquor is stirred and is warming up to 65 DEG C, potassium peroxydisulfate, mistake are added into mixed liquor
The dosage of potassium sulfate is 0.05 with the mass ratio of itaconic acid dosage, and reaction obtains the first copolymer solution.
A2 adjusts the pH value of the first copolymer solution to 1-2, is then sprayed to urea surface, the first copolymer solution with
The mass ratio of urea is 0.1: 2, is uniformly mixed, then through drying, crushing, granulation, produce nitrogen fixation fertilizer.
The solid phosphate fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by b1, and the mass percent concentration of the itaconic acid aqueous solution is 8%, Ran Houxiang
Maleic anhydride and acetic anhydride are added in the itaconic acid aqueous solution, itaconic acid is 1: 0.6 with the mol ratio of maleic anhydride and acetic anhydride:
0.6, the second mixed liquor is obtained, TBHP and sodium chloride are then added into the second mixed liquor, reaction obtains second
Copolymer solution.The dosage of the TBHP is 0.15 with the mass ratio of itaconic acid dosage, the itaconic acid and chlorine
The mol ratio for changing sodium is 1: 1.
B2 adjusts the pH value of the second copolymer solution to 8-9, is then sprayed to Diammonium phosphate (DAP) surface, and the second copolymer is molten
Liquid and the mass ratio of Diammonium phosphate (DAP) are 0.1: 5, are uniformly mixed, then through drying, crushing, granulation, produce solid phosphate fertilizer.
The synergist is made up of the composition of following weight：
3 parts of ferric sulfate, 7 parts of ground phosphate rock, 5 parts of calcium lignosulfonate, 3 parts of potassium humate.
The nitrogen fixation fertilizer, solid phosphate fertilizer and synergist are front and rear in fertilising to be applied successively；Nitrogen fixation fertilizer, solid phosphate fertilizer and synergist
Amount ratio is 1: 0.2: 0.03, in terms of mass parts.
Embodiment 2
A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid, including nitrogen fixation fertilizer, solid phosphate fertilizer and
Synergist.
The nitrogen fixation fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by a1, and the mass percent concentration of the itaconic acid aqueous solution is 5%, Ran Houxiang
Maleic anhydride and acetic anhydride are added in the itaconic acid aqueous solution, itaconic acid is 1: 0.5 with the mol ratio of maleic anhydride and acetic anhydride:
0.6, the first mixed liquor is obtained, then the first mixed liquor is stirred and is warming up to 60 DEG C, potassium peroxydisulfate, mistake are added into mixed liquor
The dosage of potassium sulfate is 0.01 with the mass ratio of itaconic acid dosage, and reaction obtains the first copolymer solution.
A2 adjusts the pH value of the first copolymer solution to 1-2, is then sprayed to urea surface, the first copolymer solution with
The mass ratio of urea is 0.1: 5, is uniformly mixed, then through drying, crushing, granulation, produce nitrogen fixation fertilizer.
The solid phosphate fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by b1, and the mass percent concentration of the itaconic acid aqueous solution is 10%, then
Maleic anhydride and acetic anhydride are added into the itaconic acid aqueous solution, itaconic acid is 1: 0.6 with the mol ratio of maleic anhydride and acetic anhydride:
0.6, the second mixed liquor is obtained, TBHP and sodium chloride are then added into the second mixed liquor, reaction obtains second
Copolymer solution.The dosage of the TBHP is 0.005 with the mass ratio of itaconic acid dosage, the itaconic acid and chlorine
The mol ratio for changing sodium is 1: 1.2.
B2 adjusts the pH value of the second copolymer solution to 8-9, is then sprayed to Diammonium phosphate (DAP) surface, and the second copolymer is molten
Liquid and the mass ratio of Diammonium phosphate (DAP) are 0.1: 10, are uniformly mixed, then through drying, crushing, granulation, produce solid phosphate fertilizer.
The synergist is made up of the composition of following weight：
2 parts of ferric sulfate, 10 parts of ground phosphate rock, 3 parts of calcium lignosulfonate, 5 parts of potassium humate.
Applied again after the nitrogen fixation fertilizer, solid phosphate fertilizer and synergist mixing；The dosage of nitrogen fixation fertilizer, solid phosphate fertilizer and synergist
Than for 1: 0.5: 0.01, in terms of mass parts.
Embodiment 3
A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid, including nitrogen fixation fertilizer, solid phosphate fertilizer and
Synergist.
The nitrogen fixation fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by a1, and the mass percent concentration of the itaconic acid aqueous solution is 10%, then
Maleic anhydride and acetic anhydride are added into the itaconic acid aqueous solution, itaconic acid is 1: 0.5 with the mol ratio of maleic anhydride and acetic anhydride:
0.6, the first mixed liquor is obtained, then the first mixed liquor is stirred and is warming up to 70 DEG C, potassium peroxydisulfate, mistake are added into mixed liquor
The dosage of potassium sulfate is 0.1 with the mass ratio of itaconic acid dosage, and reaction obtains the first copolymer solution.
A2 adjusts the pH value of the first copolymer solution to 1-2, is then sprayed to urea surface, the first copolymer solution with
The mass ratio of urea is 0.1: 1, is uniformly mixed, then through drying, crushing, granulation, produce nitrogen fixation fertilizer.
The solid phosphate fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by b1, and the mass percent concentration of the itaconic acid aqueous solution is 5%, Ran Houxiang
Maleic anhydride and acetic anhydride are added in the itaconic acid aqueous solution, itaconic acid is 1: 0.6 with the mol ratio of maleic anhydride and acetic anhydride:
0.6, the second mixed liquor is obtained, TBHP and sodium chloride are then added into the second mixed liquor, reaction obtains second
Copolymer solution.The dosage of the TBHP is 0.3 with the mass ratio of itaconic acid dosage, the itaconic acid and chlorination
The mol ratio of sodium is 1: 1.
B2 adjusts the pH value of the second copolymer solution to 8-9, is then sprayed to Diammonium phosphate (DAP) surface, and the second copolymer is molten
Liquid and the mass ratio of Diammonium phosphate (DAP) are 0.1: 1, are uniformly mixed, then through drying, crushing, granulation, produce solid phosphate fertilizer.
The synergist is made up of the composition of following weight：
5 parts of ferric sulfate, 5 parts of ground phosphate rock, 6 parts of calcium lignosulfonate, 2 parts of potassium humate.
The nitrogen fixation fertilizer, solid phosphate fertilizer and synergist are front and rear in fertilising to be applied successively, or is applied again after mixing；Fixed nitrogen
The amount ratio of fertilizer, solid phosphate fertilizer and synergist is 1: 0.1: 0.03, in terms of mass parts.
Comparative example 1
A kind of solid phosphorus efficiency bio-feritlizer of the fixed nitrogen for improving crop yield, including nitrogen fixation fertilizer and solid phosphate fertilizer.
The nitrogen fixation fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by a1, and the mass percent concentration of the itaconic acid aqueous solution is 5%-10%,
Then maleic anhydride and acetic anhydride are added into the itaconic acid aqueous solution, itaconic acid is 1 with the mol ratio of maleic anhydride and acetic anhydride:
0.5: 0.6, the first mixed liquor is obtained, then the first mixed liquor is stirred and is warming up to 65 DEG C, persulfuric acid is added into mixed liquor
Potassium, the dosage of potassium peroxydisulfate are 0.05 with the mass ratio of itaconic acid dosage, and reaction obtains the first copolymer solution.
A2 adjusts the pH value of the first copolymer solution to 1-2, is then sprayed to urea surface, the first copolymer solution with
The mass ratio of urea is 0.1: 2, is uniformly mixed, then through drying, crushing, granulation, produce nitrogen fixation fertilizer.
The solid phosphate fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by b1, and the mass percent concentration of the itaconic acid aqueous solution is 8%, Ran Houxiang
Maleic anhydride and acetic anhydride are added in the itaconic acid aqueous solution, itaconic acid is 1: 0.6 with the mol ratio of maleic anhydride and acetic anhydride:
0.6, the second mixed liquor is obtained, TBHP and sodium chloride are then added into the second mixed liquor, reaction obtains second
Copolymer solution.The dosage of the TBHP is 0.15 with the mass ratio of itaconic acid dosage, the itaconic acid and chlorine
The mol ratio for changing sodium is 1: 1.
B2 adjusts the pH value of the second copolymer solution to 8-9, is then sprayed to Diammonium phosphate (DAP) surface, and the second copolymer is molten
Liquid and the mass ratio of Diammonium phosphate (DAP) are 0.1: 5, are uniformly mixed, then through drying, crushing, granulation, produce solid phosphate fertilizer.
The nitrogen fixation fertilizer and admittedly phosphate fertilizer are front and rear in fertilising to be applied successively；The amount ratio of nitrogen fixation fertilizer and solid phosphate fertilizer is 1: 0.2,
In terms of mass parts.
Comparative example 2
A kind of solid phosphorus efficiency bio-feritlizer of the fixed nitrogen for improving crop yield, including nitrogen fixation fertilizer, solid phosphate fertilizer and synergist.
The nitrogen fixation fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by a1, and the mass percent concentration of the itaconic acid aqueous solution is 7%, Ran Houxiang
Add maleic anhydride in the itaconic acid aqueous solution, the mol ratio of itaconic acid and maleic anhydride is 1: 1.1, obtains the first mixed liquor, so
The first mixed liquor is stirred afterwards and is warming up to 65 DEG C, potassium peroxydisulfate, the dosage and itaconic acid of potassium peroxydisulfate are added into mixed liquor
The mass ratio of dosage is 0.05, and reaction obtains the first copolymer solution.
A2 adjusts the pH value of the first copolymer solution to 1-2, is then sprayed to urea surface, the first copolymer solution with
The mass ratio of urea is 0.1: 2, is uniformly mixed, then through drying, crushing, granulation, produce nitrogen fixation fertilizer.
The solid phosphate fertilizer is using made of following step：
Itaconic acid is configured to the itaconic acid aqueous solution by b1, and the mass percent concentration of the itaconic acid aqueous solution is 8%, Ran Houxiang
Add maleic anhydride in the itaconic acid aqueous solution, the mol ratio of itaconic acid and maleic anhydride is 1: 1.2, obtains the second mixed liquor, so
TBHP and sodium chloride are added in backward second mixed liquor, reaction obtains the second copolymer solution.The tert-butyl group
The dosage of hydrogen peroxide is 0.15 with the mass ratio of itaconic acid dosage, and the mol ratio of the itaconic acid and sodium chloride is 1: 1.
B2 adjusts the pH value of the second copolymer solution to 8-9, is then sprayed to Diammonium phosphate (DAP) surface, and the second copolymer is molten
Liquid and the mass ratio of Diammonium phosphate (DAP) are 0.1: 5, are uniformly mixed, then through drying, crushing, granulation, produce solid phosphate fertilizer.
The synergist is made up of the composition of following weight：
3 parts of ferric sulfate, 7 parts of ground phosphate rock, 5 parts of calcium lignosulfonate, 3 parts of potassium humate.
The nitrogen fixation fertilizer, solid phosphate fertilizer and synergist are front and rear in fertilising to be applied successively；Nitrogen fixation fertilizer, solid phosphate fertilizer and synergist
Amount ratio is 1: 0.2: 0.03, in terms of mass parts.
Comparative example 3
A kind of fertilizer, including nitrogenous fertilizer and phosphate fertilizer, the nitrogenous fertilizer select urea, and phosphate fertilizer selects Diammonium phosphate (DAP), fertilising when before
Apply successively afterwards, the amount ratio of urea and Diammonium phosphate (DAP) is 1: 0.2, in terms of mass parts.
In order to further illustrate the effect of the present invention, inventor have chosen six pieces of experimental plots of size identical, carry out cucumber
Planting experiment, it is divided into 1-6 groups, wherein the 1st group of concentrated fertilizer made from application embodiment 1, made from the 2nd group of application embodiment 2
Concentrated fertilizer, the 3rd group of concentrated fertilizer made from application embodiment 3, the 4th group of fertilizer made from application comparative example 1, the 5th group of application
Fertilizer made from comparative example 2, the 6th group of fertilizer made from application comparative example 3, while apply and keep the consistent of remaining experimental condition
Property.After sowing cucumber 30 days, take 1-6 groups soil to carry out the measure of fertilizer efficiency respectively, yield is measured again after cucumber harvest, number
According to such as table 1 below.
Table 1
The solid phosphorus efficiency bio-feritlizer of fixed nitrogen made from the embodiment of the present invention has been used it can be seen from the comparison of data above
Soil physico-chemical property be substantially better than soil physico-chemical property using fertilizer made from comparative example, the solid phosphorus efficiency life of fixed nitrogen of the present invention
Thing fertilizer can provide more nutrients for the growth of cucumber, and the yield of cucumber is improved significantly, it is seen that the solid phosphorus of fixed nitrogen of the present invention
The volume increase of improvement and cucumber of the high-performance bio fertilizer to soil remarkably promotes effect.
Claims (6)
- A kind of 1. solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid, it is characterised in that：Including nitrogen fixation fertilizer, Gu phosphate fertilizer and synergist；The nitrogen fixation fertilizer is using made of following step：Itaconic acid is configured to the itaconic acid aqueous solution by a1, and maleic anhydride and acetic anhydride, clothing are then added into the itaconic acid aqueous solution Health acid is 1: 0.5: 0.6 with the mol ratio of maleic anhydride and acetic anhydride, obtains the first mixed liquor, then stirs the first mixed liquor And 60-70 DEG C is warming up to, potassium peroxydisulfate is added into mixed liquor, reaction obtains the first copolymer solution；A2 adjusts the pH value of the first copolymer solution to 1-2, is then sprayed to urea surface, the first copolymer solution and urea Mass ratio be 0.1: 1-5, be uniformly mixed, then through drying, crushing, granulation, produce nitrogen fixation fertilizer；The solid phosphate fertilizer is using made of following step：Itaconic acid is configured to the itaconic acid aqueous solution by b1, and maleic anhydride and acetic anhydride, clothing are then added into the itaconic acid aqueous solution Health acid is 1: 0.6: 0.6 with the mol ratio of maleic anhydride and acetic anhydride, obtains the second mixed liquor, then adds into the second mixed liquor Add TBHP and sodium chloride, reaction obtains the second copolymer solution；B2 adjusts the pH value of the second copolymer solution to 8-9, is then sprayed to Diammonium phosphate (DAP) surface, the second copolymer solution with The mass ratio of Diammonium phosphate (DAP) is 0.1: 1-10, is uniformly mixed, then through drying, crushing, granulation, produce solid phosphate fertilizer；The synergist is made up of the composition of following weight：Ferric sulfate 2-5 parts, ground phosphate rock 5-10 parts, calcium lignosulfonate 3-6 parts, potassium humate 2-5 parts；The nitrogen fixation fertilizer, solid phosphate fertilizer and synergist are front and rear in fertilising to be applied successively, or is applied again after mixing；Nitrogen fixation fertilizer, Gu the amount ratio of phosphate fertilizer and synergist is 1: 0.1-0.5: 0.01-0.03, in terms of mass parts.
- 2. a kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid according to claim 1, its It is characterised by：The mass percent concentration of the itaconic acid aqueous solution is 5%-10%.
- 3. a kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid according to claim 1, its It is characterised by, in step a1：The dosage of the potassium peroxydisulfate and the mass ratio of itaconic acid dosage are 0.01-0.1.
- 4. a kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid according to claim 1, its It is characterised by, in step b1：The dosage of the TBHP and the mass ratio of itaconic acid dosage are 0.005-0.3, institute The mol ratio for stating itaconic acid and sodium chloride is 1: 1-1.2.
- 5. a kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid according to claim 1, its It is characterised by, the synergist is made up of the composition of following weight：3 parts of ferric sulfate, 7 parts of ground phosphate rock, lignin sulfonic acid 5 parts of calcium, 3 parts of potassium humate.
- 6. a kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid according to claim 1, its It is characterised by：The amount ratio of the nitrogen fixation fertilizer, solid phosphate fertilizer and synergist is 1: 0.2: 0.03.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594389.0A CN107540441A (en) | 2017-07-20 | 2017-07-20 | A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594389.0A CN107540441A (en) | 2017-07-20 | 2017-07-20 | A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107540441A true CN107540441A (en) | 2018-01-05 |
Family
ID=60970914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710594389.0A Pending CN107540441A (en) | 2017-07-20 | 2017-07-20 | A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107540441A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538995A (en) * | 2022-01-27 | 2022-05-27 | 青岛农业大学 | Nitrogen fertilizer synergist, preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1417189A (en) * | 2001-11-08 | 2003-05-14 | 山东中舜科技发展有限公司 | Production process of itaconic anhydride |
| CN101965319A (en) * | 2008-03-03 | 2011-02-02 | 专业肥料产品有限公司 | Dual salt fertilizer giving enhanced crop yields |
| CN105949002A (en) * | 2016-05-20 | 2016-09-21 | 安徽省天瑞园生态农业科技有限公司 | Yield-increasing water-retaining cucumber fertilizer synergist |
| CN106749900A (en) * | 2016-12-20 | 2017-05-31 | 郑州富谊联科技有限公司 | A kind of water-soluble ter-polymers phosphate fertilizer synergist and its preparation method and application |
-
2017
- 2017-07-20 CN CN201710594389.0A patent/CN107540441A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1417189A (en) * | 2001-11-08 | 2003-05-14 | 山东中舜科技发展有限公司 | Production process of itaconic anhydride |
| CN101965319A (en) * | 2008-03-03 | 2011-02-02 | 专业肥料产品有限公司 | Dual salt fertilizer giving enhanced crop yields |
| CN105949002A (en) * | 2016-05-20 | 2016-09-21 | 安徽省天瑞园生态农业科技有限公司 | Yield-increasing water-retaining cucumber fertilizer synergist |
| CN106749900A (en) * | 2016-12-20 | 2017-05-31 | 郑州富谊联科技有限公司 | A kind of water-soluble ter-polymers phosphate fertilizer synergist and its preparation method and application |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538995A (en) * | 2022-01-27 | 2022-05-27 | 青岛农业大学 | Nitrogen fertilizer synergist, preparation method and application |
| WO2023142473A1 (en) * | 2022-01-27 | 2023-08-03 | 青岛农业大学 | Nitrogen fertilizer synergist, preparation method, and application |
| CN114538995B (en) * | 2022-01-27 | 2024-04-30 | 青岛农业大学 | Nitrogenous fertilizer synergist, preparation method and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103865002B (en) | A kind of humic acids super absorbent resin with water conservation and moisture-holding and micro-fertilizer slow-release function | |
| CN102557815B (en) | Multifunctional synergist of compound fertilizer | |
| CN100429191C (en) | Special controlled release fertilizer for rice and preparation method thereof | |
| CN105439697A (en) | Water-retention and synergism compound fertilizer and preparation method thereof | |
| CN1986497A (en) | Long-acting corn fertilizer | |
| CN102690140A (en) | Special water retention fertilizer for sweet potatoes and preparation method thereof | |
| CN106916007A (en) | A kind of charcoal base corn long-acting special composite fertilizer and preparation method | |
| CN103641666A (en) | Special cotton fertilizer for regulating and controlling coastal saline-alkali land soil and preparation method thereof | |
| CN101905999B (en) | Humic acid sustained and controlled release fertilizer and production method thereof | |
| CN107892636A (en) | A kind of more nutrient a great number of elements water-soluble fertilizer powder products and preparation method thereof | |
| CN103936499A (en) | Fertilizer capable of being applied to seed-fertilizer co-sowing and production method thereof | |
| CN110590464A (en) | Four-in-one total-nutrient composite microbial fertilizer | |
| CN105175088A (en) | Biochar slow release phosphate fertilizer and preparation method thereof | |
| CN104892309A (en) | Activated humic acid formulated fertilizer special for sweet potatoes and preparation method of formulated fertilizer | |
| CN109479477A (en) | A kind of fertilization of rice method suitable for salt-soda soil | |
| CN108383617A (en) | A kind of preparation method of organophosphor composite fertilizer | |
| CN102491844A (en) | Paddy rice cleaner production slow release fertilizer and production method thereof | |
| CN110922258A (en) | Functional stable bulk blend fertilizer and preparation method and application thereof | |
| CN102503739A (en) | Compound fertilizer of toxic fluorine-phosphorus and foliage fertilizer | |
| CN110396019A (en) | A kind of biomass carbon base | |
| CN107540441A (en) | A kind of solid phosphorus efficiency bio-feritlizer of fixed nitrogen that crop yield is improved using itaconic acid | |
| CN104788231A (en) | Compound fertilizer for preventing and treating continuous cropping disease and preparation method thereof | |
| CN107602299A (en) | A kind of special acid Water soluble fertilizer of processing potato and preparation method thereof | |
| CN104341244A (en) | Organic nutrition regulator for tobacco | |
| CN106045765A (en) | Agricultural soil loosening water-soluble fertilizer, method for preparing same and application of agricultural soil loosening water-soluble 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: 20180105 |
|
| RJ01 | Rejection of invention patent application after publication |