CN103333004B - Agricultural granular zinc sulfate fertilizer and preparation method thereof - Google Patents
Agricultural granular zinc sulfate fertilizer and preparation method thereof Download PDFInfo
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- CN103333004B CN103333004B CN201310262593.4A CN201310262593A CN103333004B CN 103333004 B CN103333004 B CN 103333004B CN 201310262593 A CN201310262593 A CN 201310262593A CN 103333004 B CN103333004 B CN 103333004B
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Abstract
The invention discloses an agricultural granular zinc sulfate fertilizer which comprises zinc sulfate and a spray liquid, wherein the spray liquid comprises the following components in parts by mass: 10-30 parts of synergist, 0-10 parts of binding agent and 75-90 parts of water; the mass ratio of the zinc sulfate to the spray liquid is (80-95):(20-5); and the synergist is a high molecular polymer, and comprises one or more of gamma-polyglutamic acid and salt thereof, polyaspartic acid and salt thereof, alginic acid and salt thereof and fungal polysaccharide. The invention also discloses a preparation method of the agricultural granular zinc sulfate fertilizer. Compared with the prior art, the agricultural granular zinc sulfate fertilizer has the advantages of low zinc nutrient release speed and long fertilizer efficiency, reduces the loss of zinc nutrient, and can be easily absorbed and utilized by plants; and the high molecular polymer can be easily degraded under natural environment conditions and is environment-friendly.
Description
Technical field
The present invention relates to technical field of fertilizers, be specifically related to a kind of Agricultural granular zinc sulfate fertilizer and preparation method thereof.
Background technology
Zinc content in soil and soil parent material have great relation, such as: the soil of subsiliceous rock and limestone parent material development is just more containing zinc, and it is then less that leaf gneiss, quartzite are grown.China is vast in territory, and soil type is a lot.From available data, the soil that loess parent material is grown and the soil affected by the Yellow River, pH value is higher, and mineral are based on quartz, and effective Zn content is common lower.In China's soil, full Zn content is few to < 3ppm, and nearly 709ppm, be on average about 100ppm, and the zinc average content of earth's lithosphere is about 80ppm.
Zinc making the content in object, be generally dry matter weight 100,000/several to ppm, although its content is few, act on very large.The crop the most responsive to zinc fertilizer according to test-results has corn, soybean and multiple beans, Chinese sorghum, cotton, flax, tomato, castor-oil plant, oranges and tangerines, grape, peach, tung oil tree, Chinese tallow tree, apple, beet, lemon etc.Wherein, lemon is particularly responsive to zinc, can as good plant indicator.Potato, onion, paddy rice, trifolium etc. are had to the medium sensitivity of zinc fertilizer.Wheat, barley, Radix Dauci Sativae, clover, pea etc. are then not too responsive to zinc fertilizer.Crop to the most responsive and medium sensitivity of zinc fertilizer reaction executes appropriate zinc fertilizer, and effect of increasing production is better.And when soil zinc deficiency, application of zinc fertilizer on the crop not too responsive to zinc fertilizer reaction, production-increasing function also clearly.
From current data, have been found that China's east half portion wide geographic area lacks boron and molybdenum, northern half wide geographic area lacks again manganese and zinc, these areas are China's emphasis grain, cotton, oily producing region and animal husbandry base just, and illustrating that China uses micro-fertilizer is that one-period is short, Huinong's technology of high efficiency " short, flat, fast ".According to data, east China and northern territory, by the micro-fertilizer of Rational Application, the arable land be expected more than 500,000,000 obtains the effect of volume increase more than 10%.Year produces more food and can reach 15,000,000,000 kilograms, year net earnings more than 6,000,000,000, bring great riches to society.
The chemical fertilizer of existing sulfur acid zinc mostly and other Multiple components combine, very large waste can be caused for only needing in the soil of application of zinc fertilizer.In addition, after zinc sulfate is manured into soil, due in soil containing a large amount of carbanions and hydrogen ion, zine ion is formed precipitation by soil fixing very soon on the one hand, or is oxidized into the form that crop can not absorb; On the other hand, the zinc sulfate part be manured into soil and macroelement phosphorus etc. interact, and interfix, cause the double loss of nutritive element.Therefore, reduce zinc sulfate by soil fixing, can either fertilization effect be improved, the cost of peasant's fertilising can be reduced again, improve resource utilization.
At present, the research of micro-zinc fertilizer is got more and more, if any employing elemental sulfur, humic acids and zinc sulfate make the fertile slug particle of zinc fertilizer, be intended to the efficiency utilized by soil absorption by regulating pH value to improve zinc sulfate, if publication number is the Chinese invention patent of CN101402532.But this zinc fertilizer regulates the humic acids of pH value and elemental sulfur and greatly reduces the content of zinc sulfate because fertile slug particle must add, need to use the object that more zinc fertilizer just can reach volume increase, considerably increase cost.Also the employing calcium polyaspartate had and zinc sulfate make that poly aspartic acid zinc uses as zinc fertilizer.Similarly, also there is the low defect of zinc ion content in this zinc fertilizer, the mass percentage of zinc element is only 15-25%, needs to use the object that more zinc fertilizer just can reach volume increase, considerably increases cost.In chemical industry standard, agricultural zinc sulfate standard HG3277 requires that the mass parts of zinc sulfate is not less than 30%, all substandard requirement of above two kinds of zinc fertilizers.
Zinc sulfate is white or micro-yellowy powder or crystallization, and xln loses water and powdered in atmosphere.Due to powdered material load and unload time easily play dirt and be difficult to use mechanical fertilization, so need a kind of Zn content high, can by the granular zinc sulfate fertilizer of soil efficient absorption.
Summary of the invention
The object of the invention is to the defect overcoming above-mentioned prior art, provide a kind of Agricultural granular zinc sulfate fertilizer, the Zn content of this Agricultural granular zinc sulfate fertilizer is high, meets the requirement of agricultural zinc sulfate HG3277 standard, and can be utilized by soil efficient absorption.
For achieving the above object, the present invention adopts following technical scheme:
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet, and described hydrojet is made up of 10-30 part synergistic agent, 0-10 part binding agent, 75-90 part water by weight, and the mass ratio of zinc sulfate and hydrojet is 80 ~ 95: 5 ~ 20.
Object of the present invention can also adopt following measures to reach:
Realizing a kind of mode of the present invention is: the mass ratio of zinc sulfate and hydrojet is 90 ~ 95: 5 ~ 10.
Realizing a kind of mode of the present invention is: described synergistic agent is one or more mixing in gamma-polyglutamic acid-and salt, poly aspartic acid and salt thereof, Lalgine and salt thereof, fungus polysaccharide.Described gamma-polyglutamic acid-, poly aspartic acid are anionic polyamino acid; molecular chain has the free carboxy that a large amount of activity is higher; there is nontoxic, biodegradable and its degraded produces outside the advantages such as environment amenable end product L-glutamic acid; also there is high-hydroscopicity and water-retentivity, good control releasability, chelated metal ions; and good anti-pathogenic is active; stimulate crop and seed growth thereof and protect it to affect from phytopathogen, integrating plant nutrition, indissoluble nutrient availability in soil is provided, adjusts the unique functions such as soil pH.
Realizing a kind of mode of the present invention is: the massfraction 10% ~ 30% of high molecular polymer in synergistic agent, when the massfraction of high molecular polymer in synergistic agent is more than 30%, fertilizer efficiency can decline on the contrary, causes cost to increase.
Realizing a kind of mode of the present invention is further: the massfraction 5% ~ 15% of high molecular polymer in synergistic agent.
Realizing a kind of mode of the present invention is: one or more mixing in water-soluble good clay, xanthan gum, kaolin selected by described binding agent.
Another object of the present invention is to the preparation method that above-mentioned Agricultural granular zinc sulfate fertilizer is provided, it comprises the following steps: first synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, during granulation, hydrojet is evenly sprayed into granulation in zinc sulphate powder, final drying.
Object of the present invention can also adopt following measures to reach:
Realizing a kind of mode of the present invention is: in granulation step, adopts the one in disc-type granulating machine, rotary drum granulator, whitewashing flash distillation tablets press starting material to be caused circular granular or oblate particle.
Realizing a kind of mode of the present invention is further: the particle diameter of circular granular is 0.2 ~ 4mm.
Compared with prior art, the invention has the beneficial effects as follows:
1, the granular zinc sulfate fertilizer of the present invention hydrojet that coating is made up of synergistic agent, binding agent, water on zinc sulfate, and the mass ratio of zinc sulfate and hydrojet is 80 ~ 95: 20 ~ 5, make the content of zinc element in granular zinc sulfate fertilizer higher, and hydrojet can make zinc element slowly-releasing, easily be absorbed and used by plants, environmentally friendly, applicable plant makes base fertilizer or for dipping in pole, seed soaking, dressing seed, topdressing, is a kind of novel sulfate composite zinc fertilizer.
2, Zn content of the present invention is high, even if when the quality of hydrojet is 20% of the quality of zinc sulfate, Zn content also can reach more than 32.3%, in fertilizer culture experiment, when granular zinc sulfate fertilizer consumption of the present invention is 80% of powder zinc sulfate, its units increased in production more than powder zinc sulfate fertilizer 6.5% ~ 12.3%.
Embodiment
Below by specific embodiment, the present invention is further described in detail.
Embodiment 1
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet.Described hydrojet is made up of 5 parts of gamma-polyglutamic acid-s, 5 parts of poly aspartic acids, 2 parts of xanthan gum, 88 parts of water by mass parts.Zinc sulfate and hydrojet count 90: 10 in mass ratio.
The preparation method of above-mentioned Agricultural granular zinc sulfate fertilizer is as follows:
First synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, are evenly sprayed at granulation on the zinc sulfate in granulating disc, the water content being dried to particle is less than 3%, obtains product.
Application Example 1
Agricultural granular zinc sulfate obtained by the embodiment of the present invention 1 and conventional sulfuric acid zinc powder are executed respectively on the tomato field that upgrowth situation is identical, effect is in table 1.
Table 1
| ? | Granular zinc sulfate of the present invention | Conventional sulfuric acid zinc powder |
| Mu amount of application | 1.8kg | 2kg |
| Fertilizer+composite fertilizer+two ammonium | 300+100+30kg | 300+100+30kg |
| Per mu yield | 4196kg | 3736kg |
| ? | Stimulation ratio 12.3% | -- |
Embodiment 2
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet.Described hydrojet is made up of 10 parts of poly aspartic acids, 5 parts of xanthan gum, 85 parts of water by mass parts.Zinc sulfate and hydrojet count 92: 8 in mass ratio.
The preparation method of above-mentioned Agricultural granular zinc sulfate fertilizer is as follows:
First synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, are evenly sprayed at granulation on the zinc sulfate in granulating disc, 65 DEG C of water content being dried to particle are less than less than 3%, obtain product.
Application Example 2
Agricultural granular zinc sulfate obtained by the embodiment of the present invention 2 and conventional sulfuric acid zinc powder are executed respectively on the tomato field that upgrowth situation is identical, effect is in table 2.
Table 2
| ? | Granular zinc sulfate of the present invention | Conventional sulfuric acid zinc powder |
| Mu amount of application | 1.8kg | 2kg |
| Fertilizer+composite fertilizer+two ammonium | 300+100+30kg | 300+100+30kg |
| Per mu yield | 4085kg | 3736kg |
| ? | Stimulation ratio 9.34% | -- |
Embodiment 3
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet.Described coating is made up of 5 parts of gamma-polyglutamic acid-s, 10 parts of poly aspartic acids, 10 parts of Lalgines, 5 parts of fungus polysaccharides, 5 parts of xanthan gum, 80 parts of water by mass parts.Zinc sulfate and hydrojet count 90: 10 in mass ratio.
The preparation method of above-mentioned Agricultural granular zinc sulfate fertilizer is as follows:
First synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, are evenly sprayed at granulation on the zinc sulfate in granulating disc, 65 DEG C of water content being dried to particle are less than less than 3%, obtain product.
Application Example 3
Agricultural granular zinc sulfate obtained by the embodiment of the present invention 3 and conventional sulfuric acid zinc powder are executed respectively on the tomato field that upgrowth situation is identical, effect is in table 3.
Table 3
| ? | Granular zinc sulfate of the present invention | Conventional sulfuric acid zinc powder |
| Mu amount of application | 1.8kg | 2kg |
| Fertilizer+composite fertilizer+two ammonium | 300+100+30kg | 300+100+30kg |
| Per mu yield | 3980kg | 3736kg |
| ? | Stimulation ratio 6.53% | -- |
Embodiment 4
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet.Described hydrojet is made up of 2 parts of gamma-polyglutamic acid-s, 5 parts of poly aspartic acids, 5 parts of xanthan gum, 88 parts of water by mass parts.The preparation method that zinc sulfate and hydrojet count 80: 20 above-mentioned Agricultural granular zinc sulfate fertilizer by mass parts is as follows:
First synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, are dissolved in by zinc sulfate in liquid hydrojet, through the granulation of whitewashing flash dryer, the water content being dried to particle is less than less than 3%, obtains product.
Application Example 4
Agricultural granular zinc sulfate obtained by the embodiment of the present invention 4 and conventional sulfuric acid zinc powder are executed respectively on the tomato field that upgrowth situation is identical, effect is in table 4.
Table 4
| ? | Granular zinc sulfate of the present invention | Conventional sulfuric acid zinc powder |
| Mu amount of application | 1.8kg | 2kg |
| Fertilizer+composite fertilizer+two ammonium | 300+100+30kg | 300+100+30kg |
| Per mu yield | 4125kg | 3736kg |
| ? | Stimulation ratio 10.4% | -- |
Embodiment 5
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet.Described hydrojet is made up of 5 parts of gamma-polyglutamic acid-s, 5 parts of Lalgines, 5 parts of fungus polysaccharides, 10 parts of xanthan gum, 99 parts of water by mass parts.Zinc sulfate and hydrojet count 95: 5 in mass ratio.
The preparation method of above-mentioned Agricultural granular zinc sulfate fertilizer is as follows:
First synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, are evenly sprayed at granulation on the zinc sulfate in granulating disc, the water content being dried to particle is less than 3%, obtains product.
Application Example 5
The sulphur dressing zinc sulfate Agricultural granular zinc sulfate of the embodiment of the present invention 5 and background technology introduced is executed respectively on the tomato field that upgrowth situation is identical, and effect is in table 5.
Embodiment 6
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet.Described hydrojet is made up of 5 parts of gamma-polyglutamic acid-s, 5 parts of poly aspartic acids, 90 parts of water by mass parts.Zinc sulfate and hydrojet count 80: 20 by mass parts ratio.
The preparation method of above-mentioned Agricultural granular zinc sulfate fertilizer is as follows:
First synergistic agent, water are modulated into liquid hydrojet by formula ratio, are evenly sprayed at granulation on the zinc sulfate in granulating disc, the water content being dried to particle is less than 3%, obtains product.
Embodiment 7
A kind of Agricultural granular zinc sulfate fertilizer, it comprises zinc sulfate and hydrojet.Described hydrojet is made up of 5 parts of gamma-polyglutamic acid-s, 5 parts of fungus polysaccharides, 3 parts of xanthan gum, 87 parts of water by mass parts.Zinc sulfate and hydrojet count 95: 5 in mass ratio.
The preparation method of above-mentioned Agricultural granular zinc sulfate fertilizer is as follows:
First synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, are evenly sprayed at granulation on the zinc sulfate in granulating disc, the water content being dried to particle is less than 3%, obtains product.
Application Example 7
The sulphur dressing zinc sulfate Agricultural granular zinc sulfate of the embodiment of the present invention 7 and background technology introduced is executed respectively on the tomato field that upgrowth situation is identical, and effect is in table 5.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (7)
1. an Agricultural granular zinc sulfate fertilizer, is characterized in that: comprise zinc sulfate and hydrojet, and described hydrojet is made up of 10-30 part synergistic agent, 0-10 part binding agent, 75-90 part water by mass parts, and the mass ratio of zinc sulfate and hydrojet is 80 ~ 95: 5 ~ 20; Described synergistic agent is one or more mixing in gamma-polyglutamic acid-and salt, poly aspartic acid and salt thereof, Lalgine and salt thereof, fungus polysaccharide; Described binding agent is one or more mixing in clay, xanthan gum, kaolin.
2. Agricultural granular zinc sulfate fertilizer as claimed in claim 1, is characterized in that: the mass ratio of zinc sulfate and hydrojet is 90 ~ 95: 5 ~ 10.
3. Agricultural granular zinc sulfate fertilizer as claimed in claim 1, is characterized in that: the massfraction 1% ~ 30% of high molecular polymer in synergistic agent.
4. Agricultural granular zinc sulfate fertilizer as claimed in claim 3, is characterized in that: in synergistic agent, the massfraction of high molecular polymer is 5% ~ 15%.
5. the preparation method of Agricultural granular zinc sulfate fertilizer according to claim 1, it is characterized in that comprising the following steps: first synergistic agent, binding agent, water are modulated into liquid hydrojet by formula ratio, during granulation, hydrojet is evenly sprayed into granulation in zinc sulphate powder, final drying.
6. the preparation method of Agricultural granular zinc sulfate fertilizer as claimed in claim 5, is characterized in that: in granulation step, adopts the one in disc-type granulating machine, rotary drum granulator, whitewashing flash distillation tablets press starting material to be caused circular granular or oblate particle.
7. the preparation method of Agricultural granular zinc sulfate fertilizer as claimed in claim 6, is characterized in that: the particle diameter of circular granular is 0.2 ~ 4mm.
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| CN110352657A (en) * | 2019-07-16 | 2019-10-22 | 黑龙江省农业科学院经济作物研究所 | A kind of inoculation method of zinc-rich nutrient flax bean sprout |
| CN111153739A (en) * | 2020-01-17 | 2020-05-15 | 广西埃索凯生物科技有限公司 | Water-soluble integrated zinc sulfate monohydrate granular fertilizer and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102344309A (en) * | 2010-07-29 | 2012-02-08 | 中国农业科学院农业环境与可持续发展研究所 | Throwing applying agent and preparation method thereof |
| CN102875235A (en) * | 2012-10-17 | 2013-01-16 | 中国农业科学院农业资源与农业区划研究所 | Coated synergistic nitrogen fertilizer composition and preparation method thereof |
| CN102910957A (en) * | 2012-09-27 | 2013-02-06 | 广西多得乐生物科技有限公司 | Multi-element long-acting sugarcane high-yield fertilizer and preparation method therefor |
-
2013
- 2013-06-27 CN CN201310262593.4A patent/CN103333004B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102344309A (en) * | 2010-07-29 | 2012-02-08 | 中国农业科学院农业环境与可持续发展研究所 | Throwing applying agent and preparation method thereof |
| CN102910957A (en) * | 2012-09-27 | 2013-02-06 | 广西多得乐生物科技有限公司 | Multi-element long-acting sugarcane high-yield fertilizer and preparation method therefor |
| CN102875235A (en) * | 2012-10-17 | 2013-01-16 | 中国农业科学院农业资源与农业区划研究所 | Coated synergistic nitrogen fertilizer composition and preparation method thereof |
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Effective date of registration: 20160920 Address after: 518057 Guangdong province Shenzhen city Nanshan District high tech park two Hing Road No. 10 Patentee after: Batian Ecological Engineering Co., Ltd., Shenzhen Patentee after: GUIZHOU BATIAN ECOLOGICAL ENGINEERING CO., LTD. Address before: 518057 Guangdong province Shenzhen city Nanshan District high tech park two Hing Road No. 10 Patentee before: Batian Ecological Engineering Co., Ltd., Shenzhen |