CN104370652A - Special silicon containing compound fertilizer for paddy and preparation method of said fertilizer - Google Patents
Special silicon containing compound fertilizer for paddy and preparation method of said fertilizer Download PDFInfo
- Publication number
- CN104370652A CN104370652A CN201410726915.0A CN201410726915A CN104370652A CN 104370652 A CN104370652 A CN 104370652A CN 201410726915 A CN201410726915 A CN 201410726915A CN 104370652 A CN104370652 A CN 104370652A
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- Prior art keywords
- fertilizer
- urea
- silicon
- preparation
- paddy rice
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Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the technical field of fertilizers, in particular to special silicon containing compound fertilizer for paddy and a preparation method of said fertilizer. The silicon containing compound fertilizer is prepared by mixing envelope slow-release urea with phosphatic fertilizer and potash fertilizer. The envelope slow-release urea is composed of a solid ball and an envelope layer wrapping the solid ball, the solid ball is the urea, and the envelope layer is mixture of silicon-calcium-magnesium fertilizer and binder. The total nutrient and the effective silicon content are 42-50% and 2-5% respectively in the silicon-containing compound fertilizer, and the mass ratio of N to P2O5 to K2O is 1:0.3-0.6:0.7-1. The special silicon containing compound fertilizer for paddy can meet needs of many elements for growth of the paddy, and in particular with remarkable increase of silicon, resistance to lodging and diseases and insects can be improved. By wrapping the urea to realize slow release, utilization rate of nitrogen fertilizer is increased, fertilizing times is decreased and labor cost is reduced. The preparation method is simple in preparation and controllable in processes, and raw materials for preparation can be easily obtained.
Description
Technical field
The present invention relates to technical field of fertilizers, particularly relate to special siliceous Chemical Mixed Fertilizer of a kind of paddy rice and preparation method thereof.
Background technology
Process of growth being in great demand to element silicon of paddy rice, for a long time, people pay attention to nitrogen, phosphorus, using of potash fertilizer and ignore supplementing of effective silicon in soil, and the whole nation has arable land over half to lack silicon, needs to carry out supplementing of effective silicon, siliceous fertilizer comprises Water-soluble silicon fertilizer and solubility in citric acid siliceous fertilizer, Water-soluble silicon fertilizer is generally synthesized by pyrochemistry, and price is higher, and solubility in citric acid siliceous fertilizer mainly with ore, metallurgical slag, flyash etc. for Raw material processing forms, price is relatively low, and user is more acceptant.
Have a large amount of n-p-k elements in the application of azophoska particularly nitrogenous fertilizer to run off, cause pollution to soil and water and ask.If adopt the means of coating, the fertilizer efficiency slow releasing of fertilizer can be made, improve utilization rate of fertilizer, reduce the pollution to environment.More ripe resin dressing and sulphur dressing all can produce certain negative impact to soil at present.The silicon-calcium-magnesium fertilizer processed with metallurgical slag belongs to a kind of alkaline solubility in citric acid fertilizer, containing various trace elements such as the silicon-calcium-magnesium iron needed for plant-growth, with this kind of alkaline solubility in citric acid fertilizer of silicon-calcium-magnesium fertilizer, as coated fertilizer, can combine together with soil, the various trace elements energy slow releasing such as the silicon-calcium-magnesium iron contained by it, and slowly can improve acid soil.
Summary of the invention
The object of this invention is to provide the special siliceous Chemical Mixed Fertilizer of a kind of paddy rice, this Chemical Mixed Fertilizer can meet the demand of paddy growth to a large amount of n p k nutrition element, the effective silicon composition simultaneously increased, improve resistant to lodging, the diseases and insect pests resistance of paddy rice, the utilization ratio of nitrogenous fertilizer can be improved to the parcel of urea, reduce fertilizer application frequency, reduce labour cost.
Another object of the present invention is to provide the preparation method of the special siliceous Chemical Mixed Fertilizer of a kind of paddy rice.
Object of the present invention can be achieved through the following technical solutions:
A preparation method for the special siliceous Chemical Mixed Fertilizer of paddy rice, the steps include:
(1) in coating pan, add urea granules and uniform rotation, rotating speed is 15-25 rev/min, sprays liquid adhesive and makes its surface wettability, and then spray solid-state adhesion agent, make binding agent evenly be wrapped in urea surface to urea surface; The weight ratio of described urea and liquid adhesive and solid-state adhesion agent is 1:0.0001-0.006:0.03-0.6;
(2) in coating pan, add silicon-calcium-magnesium fertilizer, and the rotation that remains a constant speed is until silicon-calcium-magnesium fertilizer is wrapped in urea surface, solidification completely under the cohesive action of binding agent, obtained coated slow-release urea; The weight ratio of described urea and silicon-calcium-magnesium fertilizer is 2-6:1;
(3) coated slow-release urea is mixed according to 1:0.2-0.6:0.4-0.7 with phosphate fertilizer and potash fertilizer, i.e. the obtained special siliceous Chemical Mixed Fertilizer of paddy rice.
Described silicon-calcium-magnesium fertilizer is by one or both the combination in slag micro powder or blast furnace granulated slag micro mist, and available silicon content is 5% ~ 35%, and grain size of micropowder is 200-400 order.Micro mist adds the citric acid powder of 2% in process of production, and heavy metal index contained by micro mist reaches the technical requirements of GB T 23349-2009 " in fertilizer arsenic, cadmium, lead, chromium, mercury ecological index ".
Described liquid adhesive is the combination of one or more of humic acids, dilute phosphoric acid, dilute sulphuric acid, polyvinyl alcohol solution; Described solid-state adhesion agent is the combination of one or more in montmorillonite, zeolite powder, attapulgite, magnesium oxide.Preferably, the mass concentration of described dilute sulphuric acid is 2%, and the mass concentration of humic acids is 20%, and the mass concentration of dilute phosphoric acid is 30%.
Described phosphate fertilizer is the combination of one or more in phosphoric acid diamines, calcium superphosphate, double superhosphate, fused(calcium magnesium)phosphate, phosphorus ore fertilizer.Preferably, phosphate fertilizer is phosphoric acid diamines.
Described potash fertilizer is the combination of one or more in potassium sulfate, Repone K, potash-lime fertilizer, potassic-magnesian fertilizer.Preferably, potash fertilizer is Repone K.
The special siliceous Chemical Mixed Fertilizer of paddy rice can be prepared by aforesaid method preparation.This siliceous Chemical Mixed Fertilizer mixes by coated slow-release urea with phosphate fertilizer and potash fertilizer, and this coated slow-release urea is made up of core spheroid and the coating layer that is wrapped in core balls external surface; Described core spheroid is urea, and described coating layer is the mixture of silicon-calcium-magnesium fertilizer and binding agent.
In described siliceous Chemical Mixed Fertilizer, total nutrient is 42-50%, available silicon content is 2-5%, N, P
2o
5and K
2the mass ratio of O is 1:0.3-0.6:0.7-1.Such nutrition-allocated proportion is the nutritional needs of applicable paddy growth.
Compared with prior art, beneficial effect of the present invention is:
(1) the special siliceous Chemical Mixed Fertilizer of paddy rice that the present invention prepares can meet the demand of paddy growth to macroelement, and the especially obvious increase of silicon, can improve resistant to lodging, the diseases and insect pests resistance of paddy rice.
(2) the present invention is by playing the effect of slowly-releasing to the parcel of urea, improves the utilization ratio of nitrogenous fertilizer, reduces fertilizer application frequency, reduces labour cost.And adopting slag micro powder or blast furnace granulated slag micro mist as silicon-calcium-magnesium fertilizer, solid waste utilizes, and has saved cost, has protected environment.
(3) preparation process of this preparation method is simple, raw material is easy to get, technique is controlled.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
7 parts by weight of urea particles are added in coating pan, makes it with the speed uniform rotation of 20 revs/min, spray 0.005 weight part dilute sulphuric acid (mass concentration is 2%) to urea surface, urea is shown moistening; In urea, add 0.05 weight part magnesia powder, be evenly attached to urea surface; The slag micropowder of interpolation 2.95 part of 200 ~ 400 order, available silicon content 30% in urea, keeps coating pan uniform rotation until slag micropowder is wrapped in urea surface completely, the fertilizer drying obtained is obtained coated slow-release urea.
By the coated slow-release urea of above-mentioned preparation, commercially available phosphoric acid diamines and commercially available 60% red potassium according to 1:
0.33:0.49 weight ratio mixing, obtain the special siliceous slow-release compound fertilizer of paddy rice, wherein total nutrient is 45.4%, slow-release nitrogen fertilizer account for wherein 55%, N, P
2o
5and K
2the content of O is respectively 21.0%, 8.2% and 16.2%, available silicon content 5.0%.
Embodiment 2
6 parts by weight of urea particles are added in coating pan, makes it with the speed uniform rotation of 20 revs/min, spray 0.0006 weight account polyethylene alcohol to urea surface, urea is shown moistening; In urea, add 1.4 weight part attapulgites, be evenly attached to urea surface; The steel slag composite powder of interpolation 2.4 part of 200 ~ 400 order, available silicon content 20% in urea, keeps coating pan uniform rotation until steel slag composite powder is wrapped in urea surface completely, the fertilizer drying obtained is obtained coated slow-release urea.
By the coated slow-release urea of above-mentioned preparation, commercially available phosphoric acid diamines and commercially available 60% red potassium mix according to the weight ratio of 1:0.22:0.54, obtain the special siliceous slow-release compound fertilizer of paddy rice, wherein total nutrient is 42.8%, slow-release nitrogen fertilizer account for wherein 56.8%, N, P
2o
5and K
2the content of O is respectively 18.0%, 5.7% and 17.4%, available silicon content 2.7%.
Embodiment 3
The preparation of coated slow-release urea is with embodiment 2.
By coated slow-release urea, commercially available phosphoric acid diamines and commercially available 60% red potassium mix according to the ratio of 1:0.35:0.51, obtain the special siliceous slow-release compound fertilizer of paddy rice, wherein total nutrient is 43.2%, slow-release nitrogen fertilizer account for wherein 53.8%, N, P
2o
5and K
2the content of O is respectively 18.2%, 8.5% and 16.5%, available silicon content 2.6%.
Embodiment 4
The preparation of coated slow-release urea is with embodiment 2.
By coated slow-release urea, commercially available phosphoric acid diamines and commercially available 60% red potassium mix according to the ratio of 1:0.32:0.56, obtain the special siliceous slow-release compound fertilizer of paddy rice, wherein total nutrient is 44.2%, slow-release nitrogen fertilizer account for wherein 51.3%, N, P
2o
5and K
2the content of O is respectively 18.3%, 10.5% and 15.4%, available silicon content 2.4%.
Embodiment 5
With the special siliceous slow-release compound fertilizer (18.0-5.7-18.4) of 42.8% paddy rice that embodiment 2 is obtained, use in paddy rice, contrast fertilizer is 48% import composite fertilizer (16-16-16), after adopting Chemical Mixed Fertilizer of the present invention, resistant to lodging, the diseases and insect pests resistance of paddy rice significantly improves, and productive rate also significantly improves, concrete correlation data is as shown in table 1 below:
Table 1
Note: mu consumption=base manure+ear manuer.
As seen from the above table, the special siliceous slow-release compound fertilizer of paddy rice, compared with the import composite fertilizer of 48%, has obvious production-increasing function, even if when consumption reduces 20%, output is still fertile higher than contrast.
The above is preferred embodiment of the present invention, but the present invention should not be confined to the content disclosed in this embodiment.The equivalence completed under not departing from spirit disclosed in this invention so every or amendment, all fall into the scope of protection of the invention.
Claims (8)
1. a preparation method for the special siliceous Chemical Mixed Fertilizer of paddy rice, the steps include:
(1) in coating pan, add urea granules and uniform rotation, rotating speed is 15-25 rev/min, sprays liquid adhesive and makes its surface wettability, and then spray solid-state adhesion agent, make binding agent evenly be wrapped in urea surface to urea surface; The weight ratio of described urea and liquid adhesive and solid-state adhesion agent is 1:0.0001-0.006:0.03-0.6;
(2) in coating pan, add silicon-calcium-magnesium fertilizer, and remain a constant speed rotation until silicon-calcium-magnesium fertilizer binding agent again cohesive action under be wrapped in urea surface, solidification completely, obtained coated slow-release urea; The weight ratio of described urea and silicon-calcium-magnesium fertilizer is 2-6:1;
(3) coated slow-release urea is mixed according to 1:0.2-0.6:0.4-0.7 with phosphate fertilizer and potash fertilizer, i.e. the obtained special siliceous Chemical Mixed Fertilizer of paddy rice.
2. the preparation method of the special siliceous Chemical Mixed Fertilizer of paddy rice according to claim 1, it is characterized in that: described silicon-calcium-magnesium fertilizer is by one or both the combination in slag micro powder or blast furnace granulated slag micro mist, available silicon content is 5% ~ 35%, and grain size of micropowder is 200-400 order.
3. the preparation method of the special siliceous Chemical Mixed Fertilizer of paddy rice according to claim 1, is characterized in that: described liquid adhesive is the combination of one or more of humic acids, dilute phosphoric acid, dilute sulphuric acid, polyvinyl alcohol solution; Described solid-state adhesion agent is the combination of one or more in montmorillonite, zeolite powder, attapulgite, magnesium oxide.
4. the preparation method of the special siliceous Chemical Mixed Fertilizer of paddy rice according to claim 1, is characterized in that: described phosphate fertilizer is the combination of one or more in phosphoric acid diamines, calcium superphosphate, double superhosphate, fused(calcium magnesium)phosphate, phosphorus ore fertilizer.
5. the preparation method of the special siliceous Chemical Mixed Fertilizer of paddy rice according to claim 1, is characterized in that: described potash fertilizer is the combination of one or more in potassium sulfate, Repone K, potash-lime fertilizer, potassic-magnesian fertilizer.
6. the special siliceous Chemical Mixed Fertilizer of paddy rice, is characterized in that: by the method preparation described in any one of claim 1-5.
7. the special siliceous Chemical Mixed Fertilizer of paddy rice according to claim 6, it is characterized in that: this siliceous Chemical Mixed Fertilizer mixes by coated slow-release urea with phosphate fertilizer and potash fertilizer, this coated slow-release urea is made up of core spheroid and the coating layer that is wrapped in core balls external surface; Described core spheroid is urea, and described coating layer is the mixture of silicon-calcium-magnesium fertilizer and binding agent.
8. the special siliceous Chemical Mixed Fertilizer of paddy rice according to claim 6, it is characterized in that: in described siliceous Chemical Mixed Fertilizer, total nutrient is 42-50%, available silicon content is 2-5%, N, P
2o
5and K
2the mass ratio of O is 1:0.3-0.6:0.7-1.
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Cited By (11)
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|---|---|---|---|---|
| CN105949012A (en) * | 2016-05-10 | 2016-09-21 | 领先生物农业股份有限公司 | Fertilizer applied shortly before transplanting of rice |
| CN106278464A (en) * | 2016-08-15 | 2017-01-04 | 湖北富邦科技股份有限公司 | A kind of grains dedicated potash fertilizer of siliceous Oryza sativa L. and the efficient application method in rice cropping |
| CN106278463A (en) * | 2016-08-15 | 2017-01-04 | 湖北富邦科技股份有限公司 | A kind of preparation method of the grains dedicated potash fertilizer of Oryza sativa L. |
| CN107417355A (en) * | 2017-05-26 | 2017-12-01 | 辽宁希林索农业科技有限公司 | A kind of functional slow-release fertilizer and its production method |
| CN108101697A (en) * | 2017-12-14 | 2018-06-01 | 湖北富邦科技股份有限公司 | A kind of granulated fertilizer and production method with acid soil opsonic action |
| CN108377879A (en) * | 2018-04-12 | 2018-08-10 | 上海应用技术大学 | A kind of Special fertilizer for paddy rice |
| CN108424301A (en) * | 2018-06-07 | 2018-08-21 | 上海永通生态工程股份有限公司 | A kind of strawberry special-purpose fertilizer and preparation method thereof |
| CN109265271A (en) * | 2018-11-28 | 2019-01-25 | 福建狼忙科技有限公司 | A kind of preparation method of the dedicated release-controlled biological silicon fertilizer of rice |
| CN110283027A (en) * | 2019-07-30 | 2019-09-27 | 江西省农业科学院土壤肥料与资源环境研究所 | A kind of direct seading rice formula fertilizer special resistant to lodging and its preparation method and application |
| CN111303899A (en) * | 2020-03-17 | 2020-06-19 | 安徽卓砺环保科技有限公司 | Environment-responsive soil conditioner and preparation method thereof |
| CN112608184A (en) * | 2020-12-23 | 2021-04-06 | 西南科技大学 | Preparation method of ecological environment-friendly special fertilizer for rice |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105949012A (en) * | 2016-05-10 | 2016-09-21 | 领先生物农业股份有限公司 | Fertilizer applied shortly before transplanting of rice |
| CN106278464A (en) * | 2016-08-15 | 2017-01-04 | 湖北富邦科技股份有限公司 | A kind of grains dedicated potash fertilizer of siliceous Oryza sativa L. and the efficient application method in rice cropping |
| CN106278463A (en) * | 2016-08-15 | 2017-01-04 | 湖北富邦科技股份有限公司 | A kind of preparation method of the grains dedicated potash fertilizer of Oryza sativa L. |
| CN107417355A (en) * | 2017-05-26 | 2017-12-01 | 辽宁希林索农业科技有限公司 | A kind of functional slow-release fertilizer and its production method |
| CN108101697A (en) * | 2017-12-14 | 2018-06-01 | 湖北富邦科技股份有限公司 | A kind of granulated fertilizer and production method with acid soil opsonic action |
| CN108377879A (en) * | 2018-04-12 | 2018-08-10 | 上海应用技术大学 | A kind of Special fertilizer for paddy rice |
| CN108424301A (en) * | 2018-06-07 | 2018-08-21 | 上海永通生态工程股份有限公司 | A kind of strawberry special-purpose fertilizer and preparation method thereof |
| CN109265271A (en) * | 2018-11-28 | 2019-01-25 | 福建狼忙科技有限公司 | A kind of preparation method of the dedicated release-controlled biological silicon fertilizer of rice |
| CN110283027A (en) * | 2019-07-30 | 2019-09-27 | 江西省农业科学院土壤肥料与资源环境研究所 | A kind of direct seading rice formula fertilizer special resistant to lodging and its preparation method and application |
| CN110283027B (en) * | 2019-07-30 | 2022-03-29 | 江西省农业科学院土壤肥料与资源环境研究所 | Special lodging-resistant formula fertilizer for direct-seeded rice and preparation method and application thereof |
| CN111303899A (en) * | 2020-03-17 | 2020-06-19 | 安徽卓砺环保科技有限公司 | Environment-responsive soil conditioner and preparation method thereof |
| CN112608184A (en) * | 2020-12-23 | 2021-04-06 | 西南科技大学 | Preparation method of ecological environment-friendly special fertilizer for rice |
| CN112608184B (en) * | 2020-12-23 | 2022-03-04 | 西南科技大学 | Preparation method of ecological environment-friendly special fertilizer for rice |
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