CN104045470A - Sustained or controlled release blending fertilizer containing N fertilizer synergistic component and medium trace element - Google Patents
Sustained or controlled release blending fertilizer containing N fertilizer synergistic component and medium trace element Download PDFInfo
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- CN104045470A CN104045470A CN201410330508.8A CN201410330508A CN104045470A CN 104045470 A CN104045470 A CN 104045470A CN 201410330508 A CN201410330508 A CN 201410330508A CN 104045470 A CN104045470 A CN 104045470A
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Abstract
The invention discloses a sustained or controlled release blending fertilizer containing an N fertilizer synergistic component and a medium trace element. The sustained or controlled release blending fertilizer consists of the following components in parts by weight: 10 parts of N fertilizer synergistic component urea, 5 parts of medium trace element particles, 10-20 parts of sustained or controlled release urea, 0-50 parts of granular monoammonium phosphate, 0-50 parts of granular diammonium phosphate and 10-40 parts of granular potassium chloride or granular potassium nitrate or granular potassium sulphate. The sustained or controlled release blending fertilizer disclosed by the invention is simple in preparation process and low in production cost, does not need to be dried, can not generate three-waste emission, is high in product particle strength, strong in compatibility and flexible and diverse in product formula, can be flexibly configured as required, and can be used for improving the utilization rate of the fertilizer by virtue of double-channel, increasing both the production and income, and reducing the cost. The synergistic effect of large and medium trace elements can be used for promoting the improvement of the utilization rate, providing comprehensive and nutrient care for crops, and also reducing the labor intensity of farmers, thus enabling the fertilization process to become simple; the sustained or controlled release blending fertilizer can be used for performing soil testing and formulated fertilization according to different soil types and different crop strains, and can be used for avoiding the fertilizer from being excessively applied, protecting the environment, saving the energy and reducing the emission.
Description
Technical field
The present invention relates to a kind of fertilizer, relate in particular to a kind of slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element.
Background technology
The research of present stage to sustained-controll-release fertiliser, the one, reach by controlling the release of nitrogenous fertilizer the object of delaying controlled release; The 2nd, the activity of controlling soil microorganisms by change reaches and delays nitrogen transformation, thereby delays nitrogen loss and reach the object of slow controlled release.These approach are subject to environment as larger in moisture, temperature affect, and have reduced to a certain extent the validity of slow controlled release.
Slow controlled release bulk blended fertilizer is generally by sustained/controlled release urea and nitrogenous, phosphorus, potassic fertilizer mixture is made, main by controlling, delay the release of urea to reach the object of slow controlled release, reach prolongation fertilizer efficiency, volume increase, cost-saving effect, to agricultural development, improve the quality of products, the cost-saving vital role that played, but the nutritive element that plant growth needs is not limited in nitrogen, phosphorus, potassium, the simple nitrogen of using in a large number, phosphorus, potassium can make the middle trace element in soil reduce, cause the shortage of middle trace element, affect on the contrary farm crop to nitrogen, phosphorus, the absorption of potassium, cause nutrient imbalance in plant materials, crop yield, quality declines, there is nutritional deficiency symptom.
And because the slow controlled release Bulk Blending Fertilizer long-time continuous being mainly made up of nitrogen, phosphorus, potassium is used, the shortage of trace element in easily causing in soil, in existing interpolation, trace element Bulk Blending Fertilizer in, in majority, micro-particle adopts dry type extruder grain, cost is higher, energy consumption is large, and use cost is high.
Summary of the invention
The object of the invention is to solve deficiency of the prior art, a kind of slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element is provided, by regulating crop hormone in vivo level, broad spectrum plant-growth regulator, improve crop photosynthesis, improve crop carbon and nitrogen metabolism level, strengthen the absorption of crop to liquid manure, the balance of nutrient in regulating plant body, strengthen crop to nitrogen, phosphorus, potassium and in, the absorption of trace element, thereby indirectly improve the absorption rate of fertilizer, reach volume increase, high-quality, fall object originally.
The present invention to achieve these goals, the technical solution adopting is: a kind of slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element, is made up of 10～40 parts of 10 parts, the fertile synergistic component urea of following weight part: N, 5 parts of middle micro-particles, 10～20 parts of sustained/controlled release ureas, 0～50 part of particle monoammonium phosphate, 0～50 part of particle diammonium phosphate, granule potassium chloride or particle saltpetre or granular potassium sulfates; The preparation method of the fertile synergistic component urea of described N is: take 5 nitroguaiacol sodium and methyl alcohol or ethanol organic solvent, dissolve to obtain mixing solutions, 46.2～46.4% granular ureas are put into agitator, spray into mixing solutions, stir 5～10min, make mixing solutions infiltrate in granular urea completely and get final product.
Further, the fertile synergistic component urea of described N is made up of following weight part: 5 nitroguaiacol sodium 50～100g, methyl alcohol or ethanol organic solvent 1～2L, 46.2～46.4% granular urea 1T.
Further, described middle micro-particle is made up of magnesium sulfate monohydrate 20-30%, Zinc Sulphate Monohydrate 50-70%, manganese sulfate monohydrate 0-10%, dried cupric sulfate 0-10%, boric acid 5-10%, binding agent 10%, described binding agent is 46.0～46.4% aqueous solution of urea, described aqueous solution of urea parts by weight of component: urea 10～15%, water 85～90%.
Further, described sustained/controlled release urea refers to nitrogenous 37% sustained/controlled release urea; Particle monoammonium phosphate refers to the particle monoammonium phosphate of nitrogen content 11%, phosphorus pentoxide content 44%; Particle diammonium phosphate refers to the particle diammonium phosphate of nitrogen content 18%, phosphorus pentoxide content 46%; Granule potassium chloride refers to that Repone K, the granular potassium sulfate of potassium oxide content 60% refer to that potassium sulfate, the particle saltpetre of potassium oxide content 50% refers to the saltpetre of nitrogen content 13%, potassium oxide content 45%.
Further, the preparation method of described middle micro-particle is as follows: each middle micro-particle component is pulverized, then add in stirrer and stir successively in proportion, be transferred to tablets press by feeder, spray into binding agent, by controlling material and binding agent input ratio control granule size size, obtain required middle micro-particle by bolting, granular size is 2～4mm; Described tablets press is granulating disc, 1.5～2 meters of stainless steel disk diameters, and disc rotation speed is not less than 30r/min; Vibratory screening apparatus is multi-layer rotating stainless steel vibratory screening apparatus.
Further, the described slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element, is made up of following weight part: 5 parts, 10 parts, the fertile synergistic component urea of N, middle micro-particle, nitrogenous 37% 0～50 part of 0～50 part of 10～20 parts of sustained/controlled release ureas, particle monoammonium phosphate, particle diammonium phosphate, 12～40 parts of granular potassium sulfates.
Further, the described slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element, is made up of following weight part: 5 parts, 10 parts, the fertile synergistic component urea of N, middle micro-particle, nitrogenous 37% 0～50 part of 0～50 part of 10～20 parts of sustained/controlled release ureas, particle monoammonium phosphate, particle diammonium phosphate, 15～40 parts, particle saltpetre.
The beneficial effect that the present invention produces is: the preparation technology of the fertile synergistic component urea granules of N and middle micro-particle is simple, equipment is simple, production cost is low, without oven dry, normal-temperature operation, three-waste free discharge, product particle intensity is large, compatibility is strong, formula for a product is versatile and flexible, according to demand flexible configuration.Regulate crop self hormonal readiness by the fertile synergy of N, reach the object that makes crop accelerate to absorb various nutritive ingredients, collaborative slow controlled release, by delaying the release of urea, reaches long-acting object simultaneously.Simulation of Dual-channel improves the utilization ratio of fertilizer, increasing both production and income, reduces costs.Big or middle, trace element synergy, balance fertilizing, promotes the raising of utilization rate of fertilizer, for crop provides full nutrition care, reduces peasant's labour intensity simultaneously, makes the simple of fertilising process change.According to soil type, Different Crop kind fertilization compositions based on earth measurement, stop fertilizer and excessively use, protection of the environment, energy-saving and emission-reduction.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further elaborated.
Fig. 1 is process flow sheet of the present invention.
Embodiment
embodiment 1
As shown in Figure 1, containing a slow controlled release Bulk Blending Fertilizer for the fertile synergistic component of N and middle trace element, formed by 10～40 parts of 5 parts, 10 parts, the fertile synergistic component urea of following weight part: N, middle micro-particle, nitrogenous 37% 0～50 part of 0～50 part of 10～20 parts of sustained/controlled release ureas, particle monoammonium phosphate, particle diammonium phosphate, granule potassium chloride or particle saltpetre or granular potassium sulfates; The preparation method of the fertile synergistic component urea of described N is: take 5 nitroguaiacol sodium and methyl alcohol or ethanol organic solvent, dissolve to obtain mixing solutions, 46.2～46.4% granular ureas are put into agitator, spray into mixing solutions, stir 5～10min, make mixing solutions infiltrate in granular urea completely and get final product.
The fertile synergistic component urea of described N is made up of following weight part: 5 nitroguaiacol sodium 50～100g, methyl alcohol or ethanol organic solvent 1～2L, 46.2～46.4% granular urea 1T.
Described middle micro-particle is made up of magnesium sulfate monohydrate 20-30%, Zinc Sulphate Monohydrate 50-70%, manganese sulfate monohydrate 0-10%, dried cupric sulfate 0-10%, boric acid 5-10%, binding agent 10%, described binding agent is 46.0～46.4% aqueous solution of urea, described aqueous solution of urea parts by weight of component: urea 10～15%, water 85～90%.The preparation method of described middle micro-particle is as follows: each middle micro-particle component is pulverized, then add in stirrer and stir successively in proportion, be transferred to tablets press by feeder, spray into binding agent, by controlling material and binding agent input ratio control granule size size, obtain required middle micro-particle by bolting, granular size is 2～4mm; Described tablets press is granulating disc, 1.5～2 meters of stainless steel disk diameters, and disc rotation speed is not less than 30r/min; Vibratory screening apparatus is multi-layer rotating stainless steel vibratory screening apparatus.
Described particle monoammonium phosphate refers to the particle monoammonium phosphate of nitrogen content 11%, phosphorus pentoxide content 44%; Particle diammonium phosphate refers to the particle diammonium phosphate of nitrogen content 18%, phosphorus pentoxide content 46%; Granule potassium chloride refers to the Repone K of potassium oxide content 60%.
embodiment 2
The described slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element, is made up of following weight part: 5 parts, 10 parts, the fertile synergistic component urea of N, middle micro-particle, nitrogenous 37% 0～50 part of 0～50 part of 10～20 parts of sustained/controlled release ureas, particle monoammonium phosphate, particle diammonium phosphate, 12～40 parts of granular potassium sulfates.Granular potassium sulfate refers to the potassium sulfate of potassium oxide content 50%.
embodiment 3
The described slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element, is made up of following weight part: 5 parts, 10 parts, the fertile synergistic component urea of N, middle micro-particle, nitrogenous 37% 0～50 part of 0～50 part of 10～20 parts of sustained/controlled release ureas, particle monoammonium phosphate, particle diammonium phosphate, 15～40 parts, particle saltpetre.Particle saltpetre refers to the saltpetre of nitrogen content 13%, potassium oxide content 45%.
When actual use, can change as required sustained/controlled release urea wherein.
This slow-release or control-release fertilizer proportioning is versatile and flexible, can be according to soil type, Different Crop type, join flexibly fertilizer, production technique is simple, can provide comprehensively and effectively plant growth necessary nutritive element, improves interaction between each element, mutually promotes, improve content and the performance of Trace Elements in Soil, promote plant growth, strengthen disease-resistant, anti-adversity ability, high yield high-quality.Preparation technology is simple for the fertile synergistic component urea granules of N, and equipment is simple, and production cost is low, and fertilizer efficiency is remarkable, without oven dry, and normal-temperature operation, three-waste free discharge, general medium-sized and small enterprises can be produced, and product particle intensity is large, compatibility is strong.Containing middle micro-particle preparation, equipment is simple, and technical process is simple, and without oven dry, formula for a product is versatile and flexible, and flexible configuration according to demand produces that granule strength is large, compatibility is strong." quick-acting+long-acting " slow controlled release Bulk Blending Fertilizer is feature of the present invention, regulates crop self hormonal readiness by the fertile synergy of N, reaches the object that makes crop accelerate to absorb various nutritive ingredients, and collaborative slow controlled release, by delaying the release of urea, reaches long-acting object simultaneously.Simulation of Dual-channel improves the utilization ratio of fertilizer, reaches increasing both production and income and falls effect originally.Big or middle, micro-synergy, balance fertilizing, promotes the raising of utilization rate of fertilizer, improves full nutrition care for crop, reduces peasant's labour intensity simultaneously, makes the simple of fertilising process change.Really, according to soil type, Different Crop kind fertilization compositions based on earth measurement, stop fertilizer and excessively use, protection of the environment, energy-saving and emission-reduction.
The application has following characteristics:
Give full play to containing the fertile synergistic component urea of N and quick-acting+long-acting economic benefits and social benefits characteristic of sustained/controlled release urea, greatly improve the utilization ratio of nitrogenous fertilizer, reduce and run off, reduce energy consumption, alleviate environmental stress, promote crop to absorb the coordination of nitrogen, phosphorus, potassium and middle trace element, improve the absorption rate of each nutritive element comprehensively, indirectly improve the absorption rate of phosphorus, potassium.
Can provide plant growth desired nutritional element by overall scientific, plant can absorb various nutrients comprehensively, realizes balance fertilizing.Multielement, except having separately unique effect, can interact with other elements, mutually promotes, and can improve, adjust the function of other key elements.
The required nutritive element proportioning of each plant growth is more reasonable, has avoided the antagonism between nutritive element, to improving the inherent system of crop, promotes that healthy growth of crops has a positive effect.
Crop yield amplitude is remarkable, reduces the generation of disease and pest, has saved production cost, improves product commodity, is beneficial to as grower's volume increase, increases income.
Give full play to crop self growth potential, utilize to the full extent water, fertilizer, gas in soil, promote healthy growth of crops; indirectly reduce the use of Pesticidal products, saved production cost, alleviated environmental stress; being beneficial to environment protection, is to produce fertilizer green, non-polluted farm product.
Life-time service can culture fertility, the preferably situation of trace element deficiency in supplementary cultivated soil for many years.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present invention, also should belong to protection scope of the present invention.
Claims (7)
1. the slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element, it is characterized in that, formed by 10～40 parts of 10 parts, the fertile synergistic component urea of following weight part: N, 5 parts of middle micro-particles, 10～20 parts of sustained/controlled release ureas, 0～50 part of particle monoammonium phosphate, 0～50 part of particle diammonium phosphate, granule potassium chloride or particle saltpetre or granular potassium sulfates; The preparation method of the fertile synergistic component urea of described N is: take 5 nitroguaiacol sodium and methyl alcohol or ethanol organic solvent, dissolve to obtain mixing solutions, 46.2～46.4% granular ureas are put into agitator, spray into mixing solutions, stir 5～10min, make mixing solutions infiltrate in granular urea completely and get final product.
2. the slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element according to claim 1, is characterized in that: the fertile synergistic component urea of described N is made up of following weight part: 5 nitroguaiacol sodium 50～100g, methyl alcohol or ethanol organic solvent 1～2L, 46.2～46.4% granular urea 1T.
3. the slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element according to claim 1, it is characterized in that: described middle micro-particle is made up of magnesium sulfate monohydrate 20-30%, Zinc Sulphate Monohydrate 50-70%, manganese sulfate monohydrate 0-10%, dried cupric sulfate 0-10%, boric acid 5-10%, binding agent 10%, described binding agent is 46.0～46.4% aqueous solution of urea, described aqueous solution of urea parts by weight of component: urea 10～15%, water 85～90%.
4. the slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element according to claim 1, is characterized in that: described sustained/controlled release urea refers to nitrogenous 37% sustained/controlled release urea; Particle monoammonium phosphate refers to the particle monoammonium phosphate of nitrogen content 11%, phosphorus pentoxide content 44%; Particle diammonium phosphate refers to the particle diammonium phosphate of nitrogen content 18%, phosphorus pentoxide content 46%; Granule potassium chloride refers to that Repone K, the granular potassium sulfate of potassium oxide content 60% refer to that potassium sulfate, the particle saltpetre of potassium oxide content 50% refers to the saltpetre of nitrogen content 13%, potassium oxide content 45%.
5. the slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element according to claim 3, it is characterized in that: the preparation method of described middle micro-particle is as follows: each middle micro-particle component is pulverized, then add in stirrer and stir successively in proportion, be transferred to tablets press by feeder, spray into binding agent, by controlling material and binding agent input ratio control granule size size, obtain required middle micro-particle by bolting, granular size is 2～4mm; Described tablets press is granulating disc, 1.5～2 meters of stainless steel disk diameters, and disc rotation speed is not less than 30r/min; Vibratory screening apparatus is multi-layer rotating stainless steel vibratory screening apparatus.
6. the slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element according to claim 1, is characterized in that: be made up of following weight part: 5 parts, 10 parts, the fertile synergistic component urea of N, middle micro-particle, nitrogenous 37% 0～50 part of 0～50 part of 10～20 parts of sustained/controlled release ureas, particle monoammonium phosphate, particle diammonium phosphate, 12～40 parts of granular potassium sulfates.
7. the slow controlled release Bulk Blending Fertilizer containing the fertile synergistic component of N and middle trace element according to claim 1, is characterized in that: be made up of following weight part: 5 parts, 10 parts, the fertile synergistic component urea of N, middle micro-particle, nitrogenous 37% 0～50 part of 0～50 part of 10～20 parts of sustained/controlled release ureas, particle monoammonium phosphate, particle diammonium phosphate, 15～40 parts, particle saltpetre.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954635A (en) * | 2017-03-23 | 2017-07-18 | 刘家迅 | A kind of alpine rose branch accelerator |
| CN107043300A (en) * | 2017-05-05 | 2017-08-15 | 众德肥料（平原）有限公司 | A kind of active component containing marine alga and middle micro- slow controlled release bulk blended fertilizer |
| CN110476739A (en) * | 2019-08-09 | 2019-11-22 | 中海石油化学股份有限公司 | A kind of method of suitable Hainan plantation capsicum |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243755A (en) * | 2007-02-14 | 2008-08-20 | 孟祥君 | Integrated peat raise seedling planting plate and equipment |
| CN101591207A (en) * | 2008-05-29 | 2009-12-02 | 乔山峰 | Polynutrient anti-blocking synergy urea and preparation method thereof |
| CN101747102A (en) * | 2008-12-17 | 2010-06-23 | 中国科学院沈阳应用生态研究所 | Dedicated fertilizer for producing green corn and preparation and application method thereof |
| CN102557795A (en) * | 2010-12-30 | 2012-07-11 | 中国科学院沈阳应用生态研究所 | Efficient slow-release bulk-blending (BB) fertilizer and preparation and application method thereof |
| WO2012172558A1 (en) * | 2011-06-13 | 2012-12-20 | Aditya Birla Nuvo Limited | A urea-based fertilizer composition and a process thereof |
| CN103864503A (en) * | 2012-12-12 | 2014-06-18 | 赵振吉 | Controlled-release type blended fertilizer |
-
2014
- 2014-07-14 CN CN201410330508.8A patent/CN104045470B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243755A (en) * | 2007-02-14 | 2008-08-20 | 孟祥君 | Integrated peat raise seedling planting plate and equipment |
| CN101591207A (en) * | 2008-05-29 | 2009-12-02 | 乔山峰 | Polynutrient anti-blocking synergy urea and preparation method thereof |
| CN101747102A (en) * | 2008-12-17 | 2010-06-23 | 中国科学院沈阳应用生态研究所 | Dedicated fertilizer for producing green corn and preparation and application method thereof |
| CN102557795A (en) * | 2010-12-30 | 2012-07-11 | 中国科学院沈阳应用生态研究所 | Efficient slow-release bulk-blending (BB) fertilizer and preparation and application method thereof |
| WO2012172558A1 (en) * | 2011-06-13 | 2012-12-20 | Aditya Birla Nuvo Limited | A urea-based fertilizer composition and a process thereof |
| CN103864503A (en) * | 2012-12-12 | 2014-06-18 | 赵振吉 | Controlled-release type blended fertilizer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954635A (en) * | 2017-03-23 | 2017-07-18 | 刘家迅 | A kind of alpine rose branch accelerator |
| CN106954635B (en) * | 2017-03-23 | 2019-03-05 | 云南省农业科学院园艺作物研究所 | A kind of alpine rose branch promotor |
| CN107043300A (en) * | 2017-05-05 | 2017-08-15 | 众德肥料（平原）有限公司 | A kind of active component containing marine alga and middle micro- slow controlled release bulk blended fertilizer |
| CN110476739A (en) * | 2019-08-09 | 2019-11-22 | 中海石油化学股份有限公司 | A kind of method of suitable Hainan plantation capsicum |
| CN110476739B (en) * | 2019-08-09 | 2021-08-24 | 中海石油化学股份有限公司 | Method suitable for planting capsicum in Hainan province |
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