CN102766001A - Stable and water-soluble fertilizer and preparation method thereof - Google Patents
Stable and water-soluble fertilizer and preparation method thereof Download PDFInfo
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- CN102766001A CN102766001A CN2012102685216A CN201210268521A CN102766001A CN 102766001 A CN102766001 A CN 102766001A CN 2012102685216 A CN2012102685216 A CN 2012102685216A CN 201210268521 A CN201210268521 A CN 201210268521A CN 102766001 A CN102766001 A CN 102766001A
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Abstract
The invention discloses stable and water-soluble fertilizer and a preparation method thereof. The stable and water-soluble fertilizer comprises nitrogen fertilizer stabilizer ammonium thiosulfate, urea, ammonium phosphate, potassium sulfate and ammonium sulfate. The stable and water-soluble fertilizer has the advantages that the stable and water-soluble fertilizer is fast-dissolving and can be organically bound with nitrogen fertilizer in a long-acting manner, loss of fertilizer and environmental pollution are reduced, utilization rate of the fertilizer is greatly increased, yield and quality of crops are increased simultaneously, and the stable and water-soluble fertilizer is suitable for sprinkler irrigation, dropper and water flush and belongs to environmentally friendly fertilizers.
Description
Technical field
The present invention relates to a kind of water soluble fertilizer and preparation method thereof, in particular to a kind of stable water soluble fertilizer and preparation method thereof.
Background technology
Water soluble fertilizer (Water Soluble Fertilizer, be called for short WSF), be a kind of can water-soluble fully polyelement composite fertilizer; It can promptly be dissolved in the water; Absorbed by crop more easily, and its absorption rate is higher relatively, more crucial is that it can be applied to industrialized agricultures such as sprinkling irrigation, drip irrigation; Realization liquid manure is integrated, reaches the usefulness that water-saving is economized fertile saving of labor.Generally speaking, water soluble fertilizer can contain the needed whole nutritive elements of plant growth, like N, P, K, Ca, Mg, S and trace element etc.So, people can come component design according to the required nutritional needs characteristics of plant growth fully, and scientific formula can not cause the waste of fertilizer; Make that its utilization rate of fertilizer almost is that 2 ~ 3 times of conventional composite chemical fertilizer are (in China; The utilization rate of fertilizer of common composite fertilizer is merely 30 ~ 40%), secondly, water soluble fertilizer is a readily avaiable fertilizer; Can let the grower see the effect and the performance of fertilizer faster, can fertilizer formula be adjusted according to the different growing ways of crop at any time.Certainly; The application process of water soluble fertilizer is very easy, and it can comprise fertilising when modes such as sprinkling irrigation, drip irrigation are irrigated along with irrigation water, has both practiced thrift water; Practiced thrift the labor force again, this uses the effect of water soluble fertilizer in today that labor cost grows to even greater heights is conspicuous.Because the application process of water soluble fertilizer is application with irrigation water, institute is so that fertilising is very even, and this has also established solid basis for improving the yield and quality.
Long-time field test and result of study show under normal conditions, after nitrogenous fertilizer is manured into soil, only have 30-50% to be absorbed by crop, and rest part has then lost in vain.Causing loss of nitrogen fertilizer, is because due to the volatilization of ammonia, leaching loss, nitrification and denitrification effect.Promptly use the loss that urease inhibitor and nitrification inhibitor can slow down nitrogen in the soil through the soil biochemistry approach, improve the utilization ratio of chemical nitrogen fertilizer.
At present, the compound of having found that suppresses urease activity that has has hundreds of, but or too high because of cost, or environment existed problem such as potentially contaminated, and the suppressor factor kind that really can apply aborning is seldom; Now on the market to the Application Research of stable fertilizer mainly in common composite fertilizer, technological less to water-soluble fertilizer.But common composite fertilizer generally all adds auxiliary material, increases granulation cohesiveness, and these are used for the granulating supplementary additive generally is water-insoluble, and addition is at 5%-30%, and these addition materials are harmless to crop, but water insoluble, should not be used for irrigating facility.
Summary of the invention
The object of the present invention is to provide a kind of stable water soluble fertilizer instant, that can organically combine with nitrogenous fertilizer long-acting that has, reduce fertilizer loss and, when increasing substantially utilization rate of fertilizer, improve the yield and quality of crop the pollution of environment.
For realizing the foregoing invention purpose, the present invention adopts following technical scheme:
A kind of stable water soluble fertilizer, said fertilizer includes urea, vitriolate of tartar, ammonium phosphate, ammonium sulfate, sal epsom, zinc sulfate, manganous sulfate and stablizer ammonium thiosulfate.
Because ammonium thiosulfate has the function of soil urease and nitrification inhibitor, can reduce ammonia volatilization and minimizing soil N in the soil
2O discharging and nitric nitrogen leaching effectively reduce fertilizer loss and to the pollution of environment, and ammonium thiosulfate contains NH
4-N and element sulphur do not have negative interaction to environment, when increasing substantially utilization rate of fertilizer, improve the yield and quality of crop.Less when the concentration of ammonium thiosulfate in fertilizer is low to the hydrolysis of urea influence, suppress DeGrain, can be used as a kind of more weak urease inhibitor, or a kind of more weak nitrification inhibitor, with combining of nitrogen in the fertilizer, can control the release rate of nitrogen; When the concentration of ammonium thiosulfate is higher in the fertilizer; Because the ammonium thiosulfate of high density can suppress hydrolysis of urea; Increase the ammonium nitrogen amount in the soil, reduce the growing amount and the atmospheric polluted by nitrogen of nitric nitrogen, thereby can play the dual function of urease inhibitor and nitrification inhibitor.
Preferably, the ratio of weight and number of said each component of fertilizer is: urea 48-56 part, vitriolate of tartar 18-22 part, ammonium phosphate 9-13 part, ammonium sulfate 6-10 part, sal epsom 1-3 part, zinc sulfate 0.5-2 part, manganous sulfate 0.5-2 part, ammonium thiosulfate 3-10 part.
Preferably, the ratio of weight and number of said each component of fertilizer is 56 parts in a urea, 20 parts of vitriolate of tartar, 11 parts in ammonium phosphate, 8 parts in ammonium sulfate, 1 part in sal epsom, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 3 parts of ammonium thiosulfate.
Preferably, the ratio of weight and number of said each component of fertilizer is 54 parts in a urea, 20 parts of vitriolate of tartar, 11 parts in ammonium phosphate, 8 parts in ammonium sulfate, 1 part in sal epsom, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 5 parts of ammonium thiosulfate.
Preferably, the ratio of weight and number of said each component of fertilizer is 54 parts in a urea, 20 parts of vitriolate of tartar, 9 parts in ammonium phosphate, 8 parts in ammonium sulfate, 1 part in sal epsom, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 7 parts of ammonium thiosulfate.
Preferably, said ammonium phosphate is industrial rank ammonium phosphate.
The preparation method of described stable water soluble fertilizer: in urea melt or urea soln, add raw material in proportion, after mixing mixed slurry is sent into the high tower pellatizer machine and spray granulation, obtain said water soluble fertilizer.
Each component all has good water-solubility in the fertilizer of the present invention, so the scope of application is wider, is applicable to the fertilising of vegetables, field crop and fruit tree, can spread fertilizer over the fields, drench and execute; Instant no residue also can be used for spraying, the irrigating facility of drip irrigation.
Description of drawings
Fig. 1 is for adding the influence of ammonium thiosulfate (ATS) to soil urea attitude nitrogen content
Fig. 2 is for adding the influence of ammonium thiosulfate (ATS) to soil ammonium content
Fig. 3 is for adding the influence of ammonium thiosulfate (ATS) to the soil nitrate nitrogen content
Embodiment
Stability fertilizer is meant and in nitrogenous fertilizer, adds the fertilizer that biostats (like urease inhibitor and nitrification inhibitor) provides the nitrogen on certain meaning slowly to discharge.In cation exchange capacity (CEC) soil with high, biostats has just delayed hydrolysis of urea and has changed into ammonium or suppress nitrobacteria the ammonium ion oxidation is transformed into NO after being manured into soil
-2And NO
-3Process.
Ammonium thiosulfate is called for short ATS, is a kind of colourless transparent liquid or white crystals, and is very easily water-soluble,
Below in conjunction with embodiment and experimental example the present invention is explained further details, but protection scope of the present invention is not limit by embodiment.
Embodiment 1:
With 56 parts in urea, 20 parts of vitriolate of tartar, 11 parts of industrial phosphoric acid ammoniums; 8 parts in ammonium sulfate, 1 part in sal epsom, 0.5 part in zinc sulfate; 0.5 part of manganous sulfate, 3 parts of ammonium thiosulfate are added in urea melt or the urea soln; After mixing, the slip of gained is sent into the high tower pellatizer machine spray granulation, can obtain said water soluble fertilizer.
Embodiment 2:
With 54 parts in urea, 20 parts of vitriolate of tartar, 11 parts of industrial phosphoric acid ammoniums; 8 parts in ammonium sulfate, 1 part in sal epsom, 0.5 part in zinc sulfate; 0.5 part of manganous sulfate, 5 parts of ammonium thiosulfate are added in urea melt or the urea soln; After mixing, the slip of gained is sent into the high tower pellatizer machine spray granulation, can obtain said water soluble fertilizer.
Embodiment 3:
With 54 parts in urea, 20 parts of vitriolate of tartar, 9 parts of industrial phosphoric acid ammoniums; 8 parts in ammonium sulfate, 1 part in sal epsom, 0.5 part in zinc sulfate; 0.5 part of manganous sulfate, 7 parts of ammonium thiosulfate are added in urea melt or the urea soln; After mixing, the slip of gained is sent into the high tower pellatizer machine spray granulation, can obtain said water soluble fertilizer.
Below be the application example of the embodiment of the invention 1 to 3:
Application example 1:
Experiment is provided with four processing altogether, contrasts fertilizer (being called for short NPK), interpolation ATS1 fertilizer (being called for short NPK+ATS1), adds ATS2 fertilizer (abbreviation NPK+ATS2) and adds ATS3 fertilizer (abbreviation NPK+ATS3).Get four glass beakers, added the air-dry soil sample 500g of 2mm sieve respectively, four kinds of fertilizer respectively take by weighing 1.3g and join in the beaker respectively, and add 20 times of water and dissolve, and add soil, and the back cover lid that stirs is put into 20 ℃ of incubator constant temperature culture.Uncap 1h is to keep aerobic conditions every day in the culturing process, to satisfy the demand of mikrobe, adds moisture simultaneously and keeps moisture content 20% invariable.Cultivate the 0th, 1,3,7, the content of the urea nitrogen in 14 days sampling and measuring soil, ammonium nitrogen, nitric nitrogen.After the 0th day to be soil sample with institute add ATS solution and mix, sampling and measuring immediately, to understand the basic condition of test when initial, each is handled three times and repeats.Experimental result is shown in accompanying drawing 1-3.As can be seen from the figure, the suitable ATS ratio of adding can suppress hydrolysis of urea, increases the ammonium nitrogen amount in the soil, reduces the growing amount and the atmospheric polluted by nitrogen of nitric nitrogen, has played the dual function of urease inhibitor and nitrification inhibitor.
Application examples 2
Experiment is provided with four processing altogether, contrasts fertilizer (being called for short NPK), interpolation ATS1 fertilizer (being called for short NPK+ATS1), adds ATS2 fertilizer (abbreviation NPK+ATS2) and adds ATS3 fertilizer (abbreviation NPK+ATS3).Select precocious cabbage heart type to have four or nine No. 19, live cabbage heart, at cotyledon time opening seedling, thinning 1-2 time, experiment is provided with three repetitions, and district's group is arranged at random.The sprinkling irrigation fertigation, each 3 days pitch times with fertile 3 kilograms/mu, rich water ratio 1:200, totally 10 times; Cabbage heart soluble sugar content, Vitamin C content and living weight are measured in the results back.Experimental result shows that NPK+ATS1, NPK+ATS2 and NPK+ATS3 comparison increase by 2.3%, 6.5% and 5.1% respectively according to the soluble sugar content of fertilizer; Vitamin C content increases by 1.9%, 7.2% and 5.6% respectively; Living weight increases by 4.5%, 10.2% and 8.4% respectively.
Wherein the contrast fertilizer in the application examples 1 and 2 is meant nutrients of nitrogen phosphorus potassium complex fertilizer such as common; Add the water soluble fertilizer that ATS1 fertilizer (being called for short NPK+ATS1) is meant that embodiment 1 is prepared; Add the water soluble fertilizer that ATS2 fertilizer (being called for short NPK+ATS2) is meant that embodiment 2 is prepared; Add the water soluble fertilizer that ATS3 fertilizer (being called for short NPK+ATS3) is meant that embodiment 3 is prepared.
According to the announcement and the instruction of above-mentioned specification sheets, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications more of the present invention and change.In addition, although used some specific terms in this specification sheets, these terms are explanation for ease just, the present invention is not constituted any restriction.
Claims (7)
1. stable water soluble fertilizer, it is characterized in that: said fertilizer includes urea, vitriolate of tartar, ammonium phosphate, ammonium sulfate, sal epsom, zinc sulfate, manganous sulfate and stablizer ammonium thiosulfate.
2. stable water-soluble fertilizer according to claim 1 is characterized in that: the ratio of weight and number of said each component of fertilizer is: urea 48-56 part, vitriolate of tartar 18-22 part; Ammonium phosphate 9-13 part; Ammonium sulfate 6-10 part, sal epsom 1-3 part, zinc sulfate 0.5-2 part; Manganous sulfate 0.5-2 part, ammonium thiosulfate 3-10 part.
3. stable water-soluble fertilizer according to claim 2 is characterized in that: the ratio of weight and number of said each component of fertilizer is 56 parts in a urea, 20 parts of vitriolate of tartar; 11 parts in ammonium phosphate, 8 parts in ammonium sulfate, 1 part in sal epsom; 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 3 parts of ammonium thiosulfate.
4. stable water-soluble fertilizer according to claim 2 is characterized in that: the ratio of weight and number of said each component of fertilizer is 54 parts in a urea, 20 parts of vitriolate of tartar; 11 parts in ammonium phosphate, 8 parts in ammonium sulfate, 1 part in sal epsom; 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 5 parts of ammonium thiosulfate.
5. stable water-soluble fertilizer according to claim 2 is characterized in that: the ratio of weight and number of said each component of fertilizer is 54 parts in a urea, 20 parts of vitriolate of tartar; 9 parts in ammonium phosphate, 8 parts in ammonium sulfate, 1 part in sal epsom; 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 7 parts of ammonium thiosulfate.
6. according to the arbitrary described stable water-soluble fertilizer of claim 1 to 5, it is characterized in that: said ammonium phosphate is industrial rank ammonium phosphate.
7. the preparation method of the described stable water soluble fertilizer of claim 1; It is characterized in that; Said method is: in urea melt or urea soln, add raw material in proportion, after mixing mixed slurry is sent into the high tower pellatizer machine and spray granulation, obtain said water soluble fertilizer.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103224423A (en) * | 2013-04-12 | 2013-07-31 | 菏泽金正大生态工程有限公司 | Technology for co-production of high tower compound fertilizer and anti-soil acidification water soluble fertilizer |
| CN103319238A (en) * | 2013-06-19 | 2013-09-25 | 菏泽金正大生态工程有限公司 | Water soluble fertilizer and preparation method thereof |
| CN105819938A (en) * | 2016-03-04 | 2016-08-03 | 山东禹城瑞利源科技有限公司 | Method for directly preparing granular water-soluble fertilizer by using urea production intermediate |
| CN106380302A (en) * | 2016-08-30 | 2017-02-08 | 山东胜伟园林科技有限公司 | Preparation method and application method of water soluble fertilizer containing humic acid |
| WO2021076458A1 (en) * | 2019-10-14 | 2021-04-22 | Tessenderlo Group Nv | Inhibitors of soil nitrification and processes to prevent same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371345A (en) * | 2000-05-15 | 2002-09-25 | 三井物产株式会社 | Fertilizers containing ammonium thiosulfate |
| CN102173945A (en) * | 2011-02-17 | 2011-09-07 | 山东省农业科学院农业资源与环境研究所 | Water-soluble fertilizer containing urea humate and preparation method thereof |
| CN102557838A (en) * | 2010-12-30 | 2012-07-11 | 中国科学院沈阳应用生态研究所 | Multi-functional slow-release urea fertilizer and preparation method |
-
2012
- 2012-07-31 CN CN201210268521.6A patent/CN102766001B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371345A (en) * | 2000-05-15 | 2002-09-25 | 三井物产株式会社 | Fertilizers containing ammonium thiosulfate |
| CN102557838A (en) * | 2010-12-30 | 2012-07-11 | 中国科学院沈阳应用生态研究所 | Multi-functional slow-release urea fertilizer and preparation method |
| CN102173945A (en) * | 2011-02-17 | 2011-09-07 | 山东省农业科学院农业资源与环境研究所 | Water-soluble fertilizer containing urea humate and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103224423A (en) * | 2013-04-12 | 2013-07-31 | 菏泽金正大生态工程有限公司 | Technology for co-production of high tower compound fertilizer and anti-soil acidification water soluble fertilizer |
| CN103224423B (en) * | 2013-04-12 | 2014-06-25 | 菏泽金正大生态工程有限公司 | Technology for co-production of high tower compound fertilizer and anti-soil acidification water soluble fertilizer |
| CN103319238A (en) * | 2013-06-19 | 2013-09-25 | 菏泽金正大生态工程有限公司 | Water soluble fertilizer and preparation method thereof |
| CN105819938A (en) * | 2016-03-04 | 2016-08-03 | 山东禹城瑞利源科技有限公司 | Method for directly preparing granular water-soluble fertilizer by using urea production intermediate |
| CN106380302A (en) * | 2016-08-30 | 2017-02-08 | 山东胜伟园林科技有限公司 | Preparation method and application method of water soluble fertilizer containing humic acid |
| WO2021076458A1 (en) * | 2019-10-14 | 2021-04-22 | Tessenderlo Group Nv | Inhibitors of soil nitrification and processes to prevent same |
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| CN102766001B (en) | 2014-05-28 |
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Effective date of registration: 20181127 Address after: 537100 Shangjiang Wharf, Gangbei District, Guigang City, Guangxi Zhuang Autonomous Region Co-patentee after: Batian Ecological Engineering Co., Ltd., Shenzhen Patentee after: Guigang Batian Ecology Co.,Ltd. Address before: 518105 Jiangbian Third Industrial Zone, Songgang Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: Batian Ecological Engineering Co., Ltd., Shenzhen |