CN104261976A - Special controlled-release fertilizer for single-cropping hybrid rice and preparation method thereof - Google Patents
Special controlled-release fertilizer for single-cropping hybrid rice and preparation method thereof Download PDFInfo
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- CN104261976A CN104261976A CN201410470235.7A CN201410470235A CN104261976A CN 104261976 A CN104261976 A CN 104261976A CN 201410470235 A CN201410470235 A CN 201410470235A CN 104261976 A CN104261976 A CN 104261976A
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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Abstract
The invention discloses a special controlled-release fertilizer for single-cropping hybrid rice, which is composed of the following components in parts by weight: 100-150 parts of common urea, 200-300 parts of 1-methylene-2-urea, 50-100 parts of 2-methylene-3-urea, 150-250 parts of monoammonium phosphate, 300-400 parts of potassium chloride, 1-2 parts of zinc sulfate monohydrate, 10-50 parts of bamboo charcoal and 10-50 parts of sodium humate. On the premise of producing the high-concentration compound fertilizer, the effect of synchronous fertilizer nutrient release and hybrid rice fertilizer demand is achieved according to the law that the nitrogen demand in the hybrid rice later period accounts for a quarter of total nitrogen by using the principles of quick effect taking of urea (7 days), 1-methylene-2-urea (40-80 days) and 2-methylene-3-urea (80-120 days), staircase release of nitrogen and chelation adsorption actions of sodium humate and nano charcoal on secondary and minor elements. The invention also discloses a preparation method of the special controlled-release fertilizer for single-cropping hybrid rice.
Description
Technical field
The present invention relates to agricultural fertilizer, particularly a kind of single cropping hybrid rice delays controlled release special fertilizer material, the invention still further relates to the preparation method that this single cropping hybrid rice delays controlled release special fertilizer.
Background technology
The popularizing planting of hybrid rice solves the Food Security of China, and super hybrid rice constantly refreshes rice yield record, has made significant contribution for China's total grain output ten connects increasing.But, the requirement of hybridisation rice yield potential is not reached owing to not carrying out rational application of fertilizers, certain areas Cultural practice is caused not match and the underproduction, today that single cropping hybridisation rice area expands year by year in the middle and lower reach of Yangtze River, human resources are increasingly rare, invention one meets hybrid rice regulation of fertilizer requirement, and the dedicated fertilizer meeting nutritional needs in the time of infertility is very necessary.
Hybrid rice particularly super hybridized rice due to output high, fertilizer requirement is also high than conventional Rice by about 30%.Research shows: per mu yield 500 kilograms of paddy and 500 kilograms of straw, absorb purity nitrogen 8.5-12.5 kilogram, Vanadium Pentoxide in FLAKES 4-6.5 kilogram, potassium oxide 10.5-16.5 kilogram from soil.Hybrid rice forms 100 kilograms of seeds and is respectively 2.0 kilograms, 0.9 kilogram, 3.0 kilograms to nitrogen, phosphorus, potassium nutrition absorbed dose.Planting regional peasant middle and lower reach of Yangtze River single cropping hybrid rice, to sum up hybridisation rice fertilising empirical generalization be three words: " seedling stage to attack upper (tillering seedling foot ﹚, will control live in ﹙ dry field control tiller ﹚ mid-term, the later stage want steady must good ﹙ leaf green grass or young crops seed Huang ﹚ ".Deficiency in three below published hybridisation rice special fertilizer patent of invention exists: one is that fertilizer and weighting material are too much, causes N-P-K content on the low side, easily causes peasant to apply land for growing field crops by custom consumption and causes later stage Tuo Fei Minus to produce; Two is mostly adopt organic or inorganic coated slow-release technology, and fertilizer nutrient release is difficult to synchronous with hybridisation rice demand; Three is what is some patent of invention no matter all add the need of, and the actual nutrient that causes waste, and increase peasant applies fertilizer cost.If application number 201210267637.8 is in single cropping rice special fertilizer, except nutritive element raw material, add 10 various other materials, may certain influence be had to nutrient contg; And for example patent of invention CN102153419B title-kind of paddy rice-dedicated fertilizer, organism and other inorganics account for 80%, are only suitable for fertilizer shortage rice district and use.And for example patent of invention CN101792355B name is called in synchronous slow-release fertilizer special for super hybrid rice and preparation method thereof, complex process, and all adopt coated slow-release technology, long-term application can cause Soil structure to worsen, and is unfavorable for that soil fertility is cultivated.
Therefore, the single cropping Fertilizer special for hybrid rice researching and developing a kind of slow controlled release becomes a urgent and important job.
Summary of the invention
The first object of the present invention is the weak point overcoming above-mentioned existing background technology, and provides a kind of single cropping hybrid rice to delay controlled release special fertilizer material.
The second object of the present invention is to provide this single cropping hybrid rice to delay the preparation method of controlled release special fertilizer.
The first object of the present invention is reached by following measure: single cropping hybrid rice delays controlled release special fertilizer, it is characterized in that: be made up of following component: 100-150 weight part common urea, 200-300 weight part 1 methylene radical 2 urea, 50-100 weight part 2 methylene radical 3 urea, 150-250 parts by weight of phosphoric acid one ammonium, 300-400 weight part Repone K, 1-2 weight part Zinc Sulphate Monohydrate, 10-50 weight part bamboo charcoal, 10-50 weight part Sodium salts humic acids.
In technique scheme, described single cropping hybrid rice is delayed controlled release special fertilizer and is made up of following component: 100 weight part common ureas, 200 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 250 parts by weight of phosphoric acid one ammoniums, 300 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 50 weight part bamboo charcoals, 50 weight part Sodium salts humic acidss.
In technique scheme, described single cropping hybrid rice is delayed controlled release special fertilizer and is made up of following component: 100 weight part common ureas, 260 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 200 parts by weight of phosphoric acid one ammoniums, 350 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 18 weight part bamboo charcoals, 20 weight part Sodium salts humic acidss.
In technique scheme, described urea is small-particle, Han Dan Liang≤46%, and described raw produce is commercially available prod, and 1 methyl 2 urea, 2 methyl 3 urea also can synthesize production.
The second object of the present invention is reached by following measure: prepare the method that described single cropping hybrid rice delays controlled release special fertilizer, it is characterized in that it comprises the steps:
(1) 1 methylene radical 2 urea is prepared: urea and formaldehyde are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis by weight, and it is Powdered crystal;
(2) prepare 2 methylene radical 3 urea: urea and formaldehyde weight ratio are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis, generate 2 methylene radical 3 urea through high-temperature catalytic again, it is Powdered crystal;
(3) urea, 1 methyl 2 urea, monoammonium phosphate, Repone K, bamboo charcoal, Sodium salts humic acids being counted heavy agitator of sending into by weight respectively through fully mixing, crushing and screening the granulation of rear feeding rotary drum granulator;
(4) After the 2-methyl-urea 3 parts by weight by weight by 90-145 ℃ high temperature melting into the pump pressure, is sprayed onto the granulation bed, even after the full bag drying, cooling, screening, to weight packaging.
The invention has the advantages that: the present invention is to produce premised on high-concentration compound fertilizer, nitrogen is needed to account for the rule of total nitrogen 1/4th according to the hybrid rice later stage, utilize urea Jian Xiao Kuai ﹙ 7 Tian ﹚, 1 methyl 2 urea efficiency 40-80 days, 2 methyl 3 urea efficiency 80-120 days, the release of nitrogen ladder and Sodium salts humic acids, the trace element chelated adsorbing principle of Nano carbon centering, reaching fertilizer nutrient release needs fertile synchronous effect with hybridisation rice.
Accompanying drawing explanation
Fig. 1 is single cropping hybrid rice special-purpose control-release fertilizer Nitrogen releasing in embodiment, common fertile Nitrogen releasing and single cropping hybrid rice Law of Nitrogen Absorption graphic representation.Wherein, thick line is common fertile Nitrogen Release curve, and middle thick line is controlled release Nitrogen Release curve, and fine rule is the Law of Nitrogen Absorption curve of single cropping hybrid rice, and X-coordinate is the time after single cropping hybrid rice sowing, and ordinate zou is nitrogen nutrient quantity.
Embodiment
Describe performance of the present invention in detail below in conjunction with drawings and Examples, but they do not form limitation of the invention, only for example.Simultaneously by illustrating that advantage of the present invention will become clearly and easy understand.
Consult Fig. 1 known: special-purpose control-release fertilizer Nitrogen Release curve of the present invention, closer to single cropping hybrid rice Law of Nitrogen Absorption curve, illustrates that nitrogenous fertilizer reaches effective slow release effect.
Single cropping hybrid rice of the present invention delays controlled release special fertilizer, is made up of following component: 100-150 weight part common urea, 200-300 weight part 1 methylene radical 2 urea, 50-100 weight part 2 methylene radical 3 urea, 150-250 parts by weight of phosphoric acid one ammonium, 300-400 weight part Repone K, 1-2 weight part Zinc Sulphate Monohydrate, 10-50 weight part bamboo charcoal, 10-50 weight part Sodium salts humic acids.
In technique scheme, described single cropping hybrid rice is delayed controlled release special fertilizer and is made up of following component: 100 weight part common ureas, 200 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 250 parts by weight of phosphoric acid one ammoniums, 300 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 50 weight part bamboo charcoals, 50 weight part Sodium salts humic acidss.
In technique scheme, described single cropping hybrid rice is delayed controlled release special fertilizer and is made up of following component: 100 weight part common ureas, 260 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 200 parts by weight of phosphoric acid one ammoniums, 350 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 18 weight part bamboo charcoals, 20 weight part Sodium salts humic acidss.
Prepare the method that above-mentioned single cropping hybrid rice delays controlled release special fertilizer, it is characterized in that it comprises the steps:
(1) 1 methylene radical 2 urea is prepared: urea and formaldehyde are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis by weight, and it is Powdered crystal;
(2) prepare 2 methylene radical 3 urea: urea and formaldehyde weight ratio are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis, generate 2 methylene radical 3 urea through high-temperature catalytic again, it is Powdered crystal;
(3) urea, 1 methyl 2 urea, monoammonium phosphate, Repone K, bamboo charcoal, Sodium salts humic acids being counted heavy agitator of sending into by weight respectively through fully mixing, crushing and screening the granulation of rear feeding rotary drum granulator;
(4) After the 2-methyl-urea 3 parts by weight by weight by 90-145 ℃ high temperature melting into the pump pressure, is sprayed onto the granulation bed, even after the full bag drying, cooling, screening, to weight packaging.
Embodiment 1
Single cropping hybrid rice delays controlled release special fertilizer, is made up of 100 weight part common ureas, 200 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 250 parts by weight of phosphoric acid one ammoniums, 300 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 50 weight part bamboo charcoals, 50 weight part Sodium salts humic acidss.
Its preparation method comprises the steps:
(1) 1 methylene radical 2 urea is prepared: urea and formaldehyde are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis by weight, and it is Powdered crystal;
(2) prepare 2 methylene radical 3 urea: urea and formaldehyde weight ratio are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis, generate 2 methylene radical 3 urea through high-temperature catalytic again, it is Powdered crystal;
(3) urea, 1 methyl 2 urea, monoammonium phosphate, Repone K, bamboo charcoal, Sodium salts humic acids being counted heavy agitator of sending into by weight respectively through fully mixing, crushing and screening the granulation of rear feeding rotary drum granulator;
(4) After the 2-methyl-urea 3 parts by weight by weight by 90-145 ℃ high temperature melting into the pump pressure, is sprayed onto the granulation bed, even after the full bag drying, cooling, screening, to weight packaging.
Embodiment 2
Single cropping hybrid rice delays controlled release special fertilizer, is made up of 100 weight part common ureas, 260 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 200 parts by weight of phosphoric acid one ammoniums, 350 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 18 weight part bamboo charcoals, 20 weight part Sodium salts humic acidss.
Its preparation method is as embodiment 1.
Embodiment 3
Single cropping hybrid rice delays controlled release special fertilizer, is made up of 150 weight part common ureas, 300 weight part 1 methylene radical 2 urea, 100 weight part 2 methylene radical 3 urea, 150 parts by weight of phosphoric acid one ammoniums, 400 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 10 weight part bamboo charcoals, 10 weight part Sodium salts humic acidss.
Its preparation method is as embodiment 1.
Embodiment 4
Single cropping hybrid rice delays controlled release special fertilizer, is made up of 150 weight part common ureas, 250 weight part 1 methylene radical 2 urea, 80 weight part 2 methylene radical 3 urea, 150 parts by weight of phosphoric acid one ammoniums, 300 weight part Repone K, 1 weight part Zinc Sulphate Monohydrate, 30 weight part bamboo charcoals, 30 weight part Sodium salts humic acidss.
Its preparation method is as embodiment 1.
Embodiment 5
Single cropping hybrid rice delays controlled release special fertilizer, is made up of 130 weight part common ureas, 200 weight part 1 methylene radical 2 urea, 100 weight part 2 methylene radical 3 urea, 200 parts by weight of phosphoric acid one ammoniums, 350 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 20 weight part bamboo charcoals, 40 weight part Sodium salts humic acidss.
Its preparation method is as embodiment 1.
Benefit case
Test: contrast fertilizer establish 2 process, 3 repetitions, 1 contrast with 20-12-20 special fertilizer of the present invention, the common fertilizer of 20-12-20,18-18-18.
This test site is in Yang Lin tail town, Xiantao City in Hubei Province, and kind is river paddy excellent 202.
This test-results is as following table:
As can be seen from the above table, execute special fertilizer per unit area yield than contrast volume increase 141 kilograms, increase 21.5%, fertilizer volume increase 143 kilogram more common than N P and K same ratio, increase 21.8%, and latter two process output is about the same.It can also be seen that from upper table, execute the effective fringe of special fertilizer mu than contrast many 1.5 ten thousand, increase 9.7%, number of grain per ear, than many 14.7 of contrast, increases 10.3%, and increase production the effective fringe of mainly mu and Defined daily doses increase, thousand seed weight is almost identical.
Other is prior art without the part described in detail.
Claims (4)
1. single cropping hybrid rice delays controlled release special fertilizer, it is characterized in that: be made up of following component: 100-150 weight part common urea, 200-300 weight part 1 methylene radical 2 urea, 50-100 weight part 2 methylene radical 3 urea, 150-250 parts by weight of phosphoric acid one ammonium, 300-400 weight part Repone K, 1-2 weight part Zinc Sulphate Monohydrate, 10-50 weight part bamboo charcoal, 10-50 weight part Sodium salts humic acids.
2. single cropping hybrid rice according to claim 1 delays controlled release special fertilizer, it is characterized in that: 100 weight part common ureas, 200 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 250 parts by weight of phosphoric acid one ammoniums, 300 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 50 weight part bamboo charcoals, 50 weight part Sodium salts humic acidss.
3. single cropping hybrid rice according to claim 1 delays controlled release special fertilizer, it is characterized in that: 100 weight part common ureas, 260 weight part 1 methylene radical 2 urea, 50 weight part 2 methylene radical 3 urea, 200 parts by weight of phosphoric acid one ammoniums, 350 weight part Repone K, 2 weight part Zinc Sulphate Monohydrates, 18 weight part bamboo charcoals, 20 weight part Sodium salts humic acidss.
4. prepare single cropping hybrid rice described in arbitrary claim in the claims 1-5 and delay the method for controlled release special fertilizer, it is characterized in that it comprises the steps:
(1) 1 methylene radical 2 urea is prepared: urea and formaldehyde are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis by weight, and it is Powdered crystal;
(2) prepare 2 methylene radical 3 urea: urea and formaldehyde weight ratio are generated 1 methylene radical 2 urea at 90 DEG C of high temperature through katalysis, generate 2 methylene radical 3 urea through high-temperature catalytic again, it is Powdered crystal;
(3) urea, 1 methyl 2 urea, monoammonium phosphate, Repone K, bamboo charcoal, Sodium salts humic acids being counted heavy agitator of sending into by weight respectively through fully mixing, crushing and screening the granulation of rear feeding rotary drum granulator;
(4) After the 2-methyl-urea 3 parts by weight by weight by 90-145 ℃ high temperature melting into the pump pressure, is sprayed onto the granulation bed, even after the full bag drying, cooling, screening, to weight packaging.
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| CN201410470235.7A CN104261976A (en) | 2014-09-15 | 2014-09-15 | Special controlled-release fertilizer for single-cropping hybrid rice and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108794281A (en) * | 2018-06-22 | 2018-11-13 | 湖南农业大学 | Disposable deep placement complex fertilizer of late rice and preparation method thereof |
| CN115336455A (en) * | 2021-12-29 | 2022-11-15 | 浙江省农业科学院 | Single-season late rice one-time fertilization method and controlled-release compound fertilizer used by same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936524A (en) * | 2014-05-08 | 2014-07-23 | 河南力浮科技有限公司 | Method for producing urea formaldehyde controlled-release compound fertilizer |
| CN103964971A (en) * | 2014-05-29 | 2014-08-06 | 济南巴顿化肥有限公司 | Fertilizer specially used for rice and preparation method thereof |
-
2014
- 2014-09-15 CN CN201410470235.7A patent/CN104261976A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936524A (en) * | 2014-05-08 | 2014-07-23 | 河南力浮科技有限公司 | Method for producing urea formaldehyde controlled-release compound fertilizer |
| CN103964971A (en) * | 2014-05-29 | 2014-08-06 | 济南巴顿化肥有限公司 | Fertilizer specially used for rice and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108794281A (en) * | 2018-06-22 | 2018-11-13 | 湖南农业大学 | Disposable deep placement complex fertilizer of late rice and preparation method thereof |
| CN115336455A (en) * | 2021-12-29 | 2022-11-15 | 浙江省农业科学院 | Single-season late rice one-time fertilization method and controlled-release compound fertilizer used by same |
| CN115336455B (en) * | 2021-12-29 | 2023-05-12 | 浙江省农业科学院 | Single Ji Wandao disposable fertilization method and controlled release compound fertilizer used by same |
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Application publication date: 20150107 |