CN110041128A - A kind of blueness jujube controlled release bulk blended fertilizer and preparation method thereof - Google Patents
A kind of blueness jujube controlled release bulk blended fertilizer and preparation method thereof Download PDFInfo
- Publication number
- CN110041128A CN110041128A CN201910351658.XA CN201910351658A CN110041128A CN 110041128 A CN110041128 A CN 110041128A CN 201910351658 A CN201910351658 A CN 201910351658A CN 110041128 A CN110041128 A CN 110041128A
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- China
- Prior art keywords
- controlled
- release
- coated
- urea
- fertilizer
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- 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.)
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Classifications
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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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
Abstract
Technical solution of the present invention discloses a kind of green jujube controlled release bulk blended fertilizer, and the controlled release bulk blended fertilizer is compounded by following component: coated release-controlled urea, urea, coated release-controlled Diammonium phosphate (DAP), coated release-controlled potassium nitrate, potassium nitrate, magnesium sulfate monohydrate and trace mineral supplement.The nutrient element releasing rule for the green jujube controlled release bulk blended fertilizer that technical solution of the present invention provides is almost the same with the regulation of fertilizer requirement of green jujube, can be improved utilization rate of fertilizer, alleviates because bring soil and environmental problem is excessively used in fertilizer.
Description
Technical field
The present invention relates to technical field of fertilizers more particularly to a kind of green jujube controlled release bulk blended fertilizers and preparation method thereof.
Background technique
Green jujube, nutritive value is abundant, edible value is excellent, contains vitamin C, calcium, phosphorus, vitamin B, carrotene
Deng being fruit of filling a vacancy in winter.
Currently, in green jujube cultivation, there is following problems: (1) planting common fertilizer is substantially compound fertilizer, mostly with
Based on balance, specific aim is poor, lacks dedicated fertilizer, and fertilizer amount increases year by year, ignores the supplement of middle microelement, and green jujube
Demand to moderate-element magnesium and micronutrient boron, zinc is more sensitive, and missing will lead to not result of blooming;(2) unevenness of application,
Unbalanced nutrition, nitrogen fertilizer amount is higher, middle microelement deficiencies, and utilization rate of fertilizer is low;(3) pay attention to fruiting period fertilizer, gently apply fertilizer before fruit;
(4) green jujube tree gesture is weak, fallen flowers are serious, blooms not as a result, a large amount of nutrient loss, causes soil hardening, environmental pollution.
Therefore, it is necessary to develop a kind of efficient, with strong points, the nutrition comprehensively dedicated release-controlled bulk blended fertilizer of green jujube.
Summary of the invention
In view of the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide a kind of green jujubes to be mixed with controlled release
The nutrient element releasing rule of complex fertilizer material and preparation method thereof, the fertilizer is almost the same with the regulation of fertilizer requirement of green jujube, can be improved fertilizer
Utilization rate is alleviated because bring soil and environmental problem is excessively used in fertilizer.
In order to solve the above technical problems, one aspect of the present invention provides a kind of green jujube controlled release bulk blended fertilizer, the controlled release
Bulk blended fertilizer is compounded by following component: coated release-controlled urea, urea, coated release-controlled Diammonium phosphate (DAP), coated release-controlled potassium nitrate,
Potassium nitrate, magnesium sulfate monohydrate and trace mineral supplement.
Further, the weight percent of the component is as follows: coated release-controlled urea 13%-15%, urea 2%-4%,
Coated release-controlled Diammonium phosphate (DAP) 17%-19%, coated release-controlled potassium nitrate 17%-19%, potassium nitrate 25%-27%, magnesium sulfate monohydrate
15%-17% and trace mineral supplement 3%-5%.
Further, the coated release-controlled urea includes urea granules and is coated on the polyurethane coated of urea granules surface
Coating.
Further, the coated release-controlled Diammonium phosphate (DAP) includes Diammonium phosphate (DAP) particle and is coated on Diammonium phosphate (DAP) particle surface
Polyurethane coated coating.
Further, the coated release-controlled potassium nitrate includes potassium nitrate granules and the poly- ammonia for being coated on the potassium nitrate granules
Ester coating coating.
Further, the polyurethane coated coating is formed by composite modified polyurethane coated slurries spraying.
Composite modified polyurethane coated slurries of the present invention are prepared by the following method: by vegetable oil polyol and
Attapulgite is uniformly mixed by predetermined ratio, obtains component A;10%-15% will be added in polymethylene multi-phenenyl isocyanate
The anacardol of molar ratio reacts 1-3 hours at 70 DEG C -80 DEG C, obtains B component;The A, B component are mixed in proportion
After obtain vegetable oil based attapulgite hybridization compounding modified polyurethane coating liquid.
Further, the mass percent of the nitrogen of the coated release-controlled urea is more than or equal to 44%.
Further, the mass percent of the nitrogen of the urea is more than or equal to 46%.
Further, the mass percent of the nitrogen of the coated release-controlled Diammonium phosphate (DAP) is more than or equal to 17%, five
The mass percent for aoxidizing two phosphorus is 44%.
Further, the mass percent of the nitrogen of the coated release-controlled potassium nitrate is the oxidation more than or equal to 11%
The mass percent of potassium is more than or equal to 43%.
Further, the mass percent of the nitrogen of the potassium nitrate is the quality of potassium oxide more than or equal to 13%
Percentage is more than or equal to 46%.
Further, the mass percent of the magnesia of the magnesium sulfate monohydrate is more than or equal to 26%.
Further, the coated release-controlled urea, urea, the coated release-controlled Diammonium phosphate (DAP), described coated release-controlled
Potassium nitrate, the potassium nitrate, the magnesium sulfate monohydrate are graininess, wherein coating of the partial size between 2.00mm-4.00mm
Control release urea, urea, controlled-release diammonium phosphate, coated release-controlled potassium nitrate and magnesium sulfate monohydrate mass percent be to be greater than or wait
In 90%.
Further, the coated release-controlled urea, the coated release-controlled Diammonium phosphate (DAP), the coated release-controlled potassium nitrate support
Dividing acquisition time is 6 months.
Further, the trace mineral supplement includes following component: calcium disodium chelate (EDTA calcium), second
Edetate disodium iron (NaFeEDTA), disodium ethylene diamine tetraacetate manganese (EDTA manganese), ethylenediamine tetraacetic acid disodium zinc salt (EDTA
Zinc), disodium ethylene diamine tetraacetate copper (EDTA copper) and borax.
Further, the component proportion score meter by weight of the trace mineral supplement, it is as follows: ethylenediamine tetra-acetic acid two
Sodium calcium 64%-67%, amine tetraacethyl disodium iron 18%-22%, disodium ethylene diamine tetraacetate manganese 1%-4%, ethylenediamine tetra-acetic acid
Disodium zinc 2%-6%, disodium ethylene diamine tetraacetate copper 1%-3% and borax 8%-12%.
Another aspect provides a kind of green jujube preparation methods of controlled release bulk blended fertilizer, include the following steps:
(1) by coated release-controlled urea, urea, coated release-controlled Diammonium phosphate (DAP), coated release-controlled potassium nitrate, potassium nitrate, a water sulphur
Sour magnesium crosses sieve classification, drying for standby respectively;
(2) by calcium disodium chelate, disodium ethylene diamine tetraacetate iron, disodium ethylene diamine tetraacetate manganese, ethylenediamine
Tetraacethyl disodium zinc, disodium ethylene diamine tetraacetate copper and borax are mixed in a certain ratio, tabletting is granulated to obtain microelement addition
Agent;
(3) by a certain percentage by the trace mineral supplement prepared in fertilizer obtained by the step (1) and the step (2)
It is mixed evenly, the dedicated release-controlled bulk blended fertilizer of green jujube can be obtained.
Further, the mixing time of step (3) is 15min-20min.
Compared with prior art, the present invention has following features and advantage:
(1) the green dedicated release-controlled bulk blended fertilizer of jujube provided by the invention is the uptake characters (nitrogen: phosphorus: potassium=4- according to green jujube
5:1-2:5-7), a dedicated release-controlled formula fertilizer of specific aim exploitation, nutrient formula is rationally, comprehensively, easy to use, realizes primary
Apply fertilizer later period not de- fertilizer, increases Meso- and micro-nutrients, improves utilization rate of fertilizer, reduces fertilizer loss;
(2) addition of microelement, can be effective other than guaranteeing the normal physiological metabolism of Taiwan green jujube, improving disease resistance
Prevention is because of fruit drop caused by lacking microelement;Especially green jujube is higher to fertiliser containing magnesium demand, and fertiliser containing magnesium can be in chlorophyll and egg
It plays an important role in white synthesis, dedicated release-controlled bulk blended fertilizer adds a large amount of fertiliser containing magnesium, and it is high-quality to propose production conducive to green jujube;
(3) the dedicated release-controlled bulk blended fertilizer simple production process of green jujube of the invention, efficient low-consume, low cost, energy conservation and environmental protection.
Specific embodiment
Embodiment 1
(1) by coated release-controlled urea particle, urea granules, coated release-controlled Diammonium phosphate (DAP) particle, coated release-controlled potassium nitrate
Grain, potassium nitrate granules, sulfuric acid monohydrate magnesium granules cross sieve classification, drying for standby respectively, make partial size 2.00mm- in various particles
The mass percent of the fertiliser granulates of 4.00mm is more than or equal to 90%;
(2) EDTA calcium, NaFeEDTA, EDTA manganese, EDTA zinc, EDTA copper, borax by 65%, 19%, 2%, 3%, 1%,
10% weight percent compounding mixes, tabletting is granulated to obtain additive granules, partial size 2.00mm-4.00mm;
(3) additive granules prepared in the step (1) screening, dry fertiliser granulates and the step (2) are pressed
The weight of 140kg, 31kg, 182kg, 186kg, 261kg, 160kg, 40kg are put into mixing machine, and 15min is mixed.
The dedicated release-controlled bulk blended fertilizer 16-8-20+4MgO+TE of the green jujube obtained according to the above method, the wherein quality of Controlled-release nitrogen
Percentage is 11%, and the mass ratio of available nitrogen and Controlled-release nitrogen is 1:2;The mass percent of controlled release potassium oxide is 8%, available potassium
Mass ratio with controlled release potassium is 3:2.
Embodiment 2
(1) by coated release-controlled urea particle, urea granules, coated release-controlled Diammonium phosphate (DAP) particle, coated release-controlled potassium nitrate
Grain, potassium nitrate granules, sulfuric acid monohydrate magnesium granules cross sieve classification, drying for standby respectively, make partial size 2.00mm- in various particles
The mass percent of the fertiliser granulates of 4.00mm is more than or equal to 90%;
(2) EDTA calcium, NaFeEDTA, EDTA manganese, EDTA zinc, EDTA copper, borax press 66%, 21%, 1%, 2%, 2%, 8%
The mixing of weight percent compounding, tabletting is granulated to obtain additive granules, partial size 2.00mm-4.00mm;
(3) additive granules prepared in the step (1) screening, dry fertiliser granulates and the step (2) are pressed
The weight of 150kg, 40kg, 170kg, 190kg, 270kg, 150kg, 30kg are put into mixing machine, 20min are mixed, i.e.,
The dedicated release-controlled bulk blended fertilizer of green jujube can be obtained.
The dedicated release-controlled bulk blended fertilizer 17-7-20+4MgO+TE of obtained green jujube, wherein the mass percent of Controlled-release nitrogen be
11.5%, the mass ratio of available nitrogen and Controlled-release nitrogen is 1:2;The mass percent of controlled release potassium oxide is 8%, available potassium and controlled release potassium
Mass ratio be 3:2.
Embodiment 3
(1) by coated release-controlled urea particle, urea granules, coated release-controlled Diammonium phosphate (DAP) particle, coated release-controlled potassium nitrate
Grain, potassium nitrate granules, sulfuric acid monohydrate magnesium granules cross sieve classification, drying for standby respectively, make partial size 2.00mm- in various particles
The mass percent of the fertiliser granulates of 4.00mm is more than or equal to 90%;
(2) EDTA calcium, NaFeEDTA, EDTA manganese, EDTA zinc, borax press 64%, 19%, 2%, 2%, 1%, 12% weight
The mixing of percentage compounding, tabletting are granulated to obtain additive granules, partial size 2.00mm-4.00mm;
(3) additive granules prepared in the step (1) screening, dry fertiliser granulates and the step (2) are pressed
The weight of 130kg, 20kg, 190kg, 170kg, 270kg, 170kg, 50kg are put into mixing machine, and 15min- is mixed
The dedicated release-controlled bulk blended fertilizer of green jujube can be obtained in 20min.
The dedicated release-controlled bulk blended fertilizer 15-8-19+4MgO+TE of obtained green jujube, wherein the mass percent of Controlled-release nitrogen be
10.8%, the mass ratio of available nitrogen and Controlled-release nitrogen is 1:2;The mass percent of controlled release potassium oxide is 7.3%, available potassium and control
The mass ratio of Potassium release is 3:2.
2 months 2017 to December, in Hainan Province, Fructus Sophorae village, the town Le Dongxian Fo Luo to Taiwan green jujube-five thousand (age of tree 3 years) into
Row following comparative testing is compared with embodiment 1,2,3 respectively using conventional compound fertilizer as compareing.Conventional compound fertilizer
N-P2O5-K2O is 15-15-15, the dedicated release-controlled bulk blended fertilizer side's fertilizer N-P of embodiment blueness jujube2O5-K2O is respectively 16-8-20+2MgO
+TE,17-7-20+2MgO+TE,15-8-19+2MgO+TE.Fertilizer amount and method of administration are as follows: present invention blueness jujube is dedicated release-controlled
1,2,3 dosage of bulk blended fertilizer embodiment is 25kg/ mus, and 30kg/ mus of conventional compound fertilizer's amount of application is applied with base manure, after other
Phase top dressing and cultivation management are consistent.Fertilizer application effect see the table below 1.
1 different disposal of table grows green jujube, the influence of yield and quality
Table 1 shows compared with conventional fertilizer application, and after the dedicated release-controlled bulk blended fertilizer of green jujube of the invention, total nutrient is reduced
1%-3%, Fertilizer application amount reduce by 16.67%;Green jujube function leaf thickness increases 3.23%-9.68%, and single fruit weight increases
6.68%-9.05%, per mu yield increase 3.49%-5.21%, while improving green jujube quality, and pol improves 2-3 degree, and mouthfeel is more
It is good.And other embodiments are compared, the effect of embodiment 1 is optimal, and green jujube leaf thickness, single fruit weight, yield and pol amplification are maximum.
Specific embodiments of the present invention are described in detail above, it should be understood that those skilled in the art are without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of blueness jujube controlled release bulk blended fertilizer, which is characterized in that by coated release-controlled urea, urea, coated release-controlled Diammonium phosphate (DAP),
Coated release-controlled potassium nitrate, potassium nitrate, magnesium sulfate monohydrate and trace mineral supplement compound.
2. blueness jujube controlled release bulk blended fertilizer as described in claim 1, which is characterized in that the weight percent of each component is as follows:
Coated release-controlled urea 13%-15%;
Urea 2%-4%;
Coated release-controlled Diammonium phosphate (DAP) 17%-19%;
Coated release-controlled potassium nitrate 17%-19%;
Potassium nitrate 25%-27%;
Magnesium sulfate monohydrate 15%-17%;
Trace mineral supplement 3%-5%.
3. blueness jujube controlled release bulk blended fertilizer as described in claim 1, which is characterized in that the coated release-controlled urea includes urea
Particle and the polyurethane coated coating for being coated on urea granules surface.
4. blueness jujube controlled release bulk blended fertilizer as described in claim 1, which is characterized in that the coated release-controlled Diammonium phosphate (DAP) includes
Diammonium phosphate (DAP) particle and the polyurethane coated coating for being coated on Diammonium phosphate (DAP) particle surface.
5. blueness jujube controlled release bulk blended fertilizer as described in claim 1, which is characterized in that the coated release-controlled potassium nitrate includes nitre
Sour k particle and the polyurethane coated coating for being coated on the potassium nitrate granules.
6. such as the described in any item green jujube controlled release bulk blended fertilizers of claim 3 to 5, which is characterized in that described polyurethane coated
Coating is formed by composite modified polyurethane coated slurries spraying.
7. blueness jujube controlled release bulk blended fertilizer as described in claim 1, which is characterized in that the coated release-controlled urea, the urine
Plain, the described coated release-controlled Diammonium phosphate (DAP), the coated release-controlled potassium nitrate, the potassium nitrate, the magnesium sulfate monohydrate are particle
Shape, wherein coated release-controlled urea, urea, controlled-release diammonium phosphate, coated release-controlled nitric acid of the partial size between 2.00mm-4.00mm
The mass percent of potassium and magnesium sulfate monohydrate is more than or equal to 90wt%.
8. blueness jujube controlled release bulk blended fertilizer as described in claim 1, which is characterized in that the trace mineral supplement includes such as
Lower component: calcium disodium chelate, disodium ethylene diamine tetraacetate iron, disodium ethylene diamine tetraacetate manganese, ethylenediamine tetra-acetic acid
Disodium zinc, disodium ethylene diamine tetraacetate copper and borax.
9. blueness jujube controlled release bulk blended fertilizer as claimed in claim 8, which is characterized in that the component of the trace mineral supplement
Proportion score meter by weight, as follows:
Calcium disodium chelate 64%-67%;
Amine tetraacethyl disodium iron 18%-22%;
Disodium ethylene diamine tetraacetate manganese 1%-4%;
Ethylenediamine tetraacetic acid disodium zinc salt 2%-6%;
Disodium ethylene diamine tetraacetate copper 1%-3%;
Borax 8%-12%.
10. a kind of preparation method of green jujube controlled release bulk blended fertilizer as described in claim 1, which is characterized in that including as follows
Step:
(1) by coated release-controlled urea, urea, coated release-controlled Diammonium phosphate (DAP), coated release-controlled potassium nitrate, potassium nitrate, magnesium sulfate monohydrate
Sieve classification, drying for standby are crossed respectively;
(2) by calcium disodium chelate, disodium ethylene diamine tetraacetate iron, disodium ethylene diamine tetraacetate manganese, ethylenediamine tetrem
Acid disodium zinc, disodium ethylene diamine tetraacetate copper and borax are mixed in a certain ratio, tabletting is granulated to obtain trace mineral supplement;
(3) trace mineral supplement prepared in fertilizer obtained by the step (1) and the step (2) is mixed in a certain ratio
It stirs evenly, the dedicated release-controlled bulk blended fertilizer of green jujube can be obtained.
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CN102351602A (en) * | 2011-07-18 | 2012-02-15 | 华南农业大学 | Synchronous nutrition fertilizers, preparation methods thereof and applications thereof |
CN106800472A (en) * | 2017-03-07 | 2017-06-06 | 上海永通化工有限公司 | A kind of composite modified polyurethane coated liquid, release and release control fertilizer and preparation method thereof |
-
2019
- 2019-04-28 CN CN201910351658.XA patent/CN110041128A/en active Pending
Patent Citations (4)
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CN1431175A (en) * | 2003-01-24 | 2003-07-23 | 华南理工大学 | Ternary complex fertilizer and its preparation method |
CN101205149A (en) * | 2007-12-17 | 2008-06-25 | 山东金正大生态工程股份有限公司 | Special control-release fertilizer for resin coated jujube and preparation thereof |
CN102351602A (en) * | 2011-07-18 | 2012-02-15 | 华南农业大学 | Synchronous nutrition fertilizers, preparation methods thereof and applications thereof |
CN106800472A (en) * | 2017-03-07 | 2017-06-06 | 上海永通化工有限公司 | A kind of composite modified polyurethane coated liquid, release and release control fertilizer and preparation method thereof |
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