LU502995B1 - A Special High-Efficiency Magnesium-Containing Urea Ammonium Nitrate Liquid Fertilizer for Sugarcane - Google Patents

A Special High-Efficiency Magnesium-Containing Urea Ammonium Nitrate Liquid Fertilizer for Sugarcane Download PDF

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Publication number
LU502995B1
LU502995B1 LU502995A LU502995A LU502995B1 LU 502995 B1 LU502995 B1 LU 502995B1 LU 502995 A LU502995 A LU 502995A LU 502995 A LU502995 A LU 502995A LU 502995 B1 LU502995 B1 LU 502995B1
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Prior art keywords
ammonium nitrate
magnesium
containing urea
sugarcane
liquid fertilizer
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LU502995A
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French (fr)
Inventor
Tian Liang
Biaotang Wen
Hongwei Tan
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Tian Liang
Biaotang Wen
Hongwei Tan
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C1/00—Ammonium nitrate fertilisers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • C05G5/23—Solutions

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)

Abstract

The present invention relates to the technical field of fertilizers, in particular to the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane, its preparation method and application. And the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane comprises the following components in parts by weight: 39.1-41.3% of ammonium nitrate, 29-33.4% of urea, 10% of magnesium sulfate heptahydrate, and 19.3-21.9% of water; and according to the mass fraction, the nitrogen content in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 28-32% in terms of N, and the magnesium content is 1.6% in terms of MgO. In addition, the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane of the present invention is combined with γ-aminobutyric acid, which can effectively enhance fertilizer efficiency and improve fertilizer utilization rate.

Description

DESCRIPTION 7502995
A Special High-Efficiency Magnesium-Containing Urea Ammonium Nitrate
Liquid Fertilizer for Sugarcane
TECHNICAL FIELD
The present invention belongs to the technical field of fertilizers, in particular to a special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane, its preparation method and application.
BACKGROUND
Fertilizer refers to the substance that provides essential nutrients for plants, can improve soil properties and soil fertility level, and is one of the material bases of agricultural production. The types of fertilizers mainly include macro element water-soluble fertilizers, medium element fertilizers, trace element fertilizers, biological fertilizers, organic fertilizers, etc.
Nitrogen is a necessary macro nutrient element for plant growth and development.
In many cases, affected by soil fertility, texture and other factors, the nitrogen in soil can't meet the needs of crop yield. Therefore, artificial nitrogen application is one of the main effective ways to increase crop yield. Urea is a kind of high-concentration nitrogen fertilizer, which is convenient to use and easy to store. It is a kind of nitrogen fertilizer that is widely used at present. Magnesium is an essential medium nutrient element for plant growth and development. Magnesium and other medium and trace elements can improve soil available nutrients and enhance crop resistance. However, if all kinds of nutrients are simply mixed and applied, the quality of the fertilizer will be unstable, and precipitation will be easily formed, which will affect the application effect. Or the medium and trace elements in the fertilizer are not easily fixed by the soil after being applied to the soil, and are easily lost and not effectively absorbed by crops, which will also affect the utilization rate of the fertilizer.
At present, there are many nitrogenous fertilizers on the market, but there is no 20299 report on high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane with stable quality and high utilization rate.
SUMMARY
The purpose of the present invention is to provide a special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane, its preparation method and application, so as to overcome the defects of unstable quality and low utilization rate of the existing nitrogen fertilizer for sugarcane.
To achieve the above object, the invention provides a special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane. And it comprises the following components in parts by weight: 39-42 parts of ammonium nitrate, 29-34 parts of urea, 10-11 parts of magnesium sulfate heptahydrate, 0.1-0.3 part of y-aminobutyric acid and 19-22 parts of water; and according to the mass fraction, the nitrogen content in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 28-32% in terms of N, and the magnesium content is 1.5-1.7% in terms of MgO.
Another technical solution of this application: The preparation method of the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane comprises the following steps:
S1, preparing urea solution with the mass fraction of 75% for later use;
S2, preparing ammonium nitrate solution with the mass fraction of 85% for later use;
S3, mixing magnesium sulfate heptahydrate with the rest water to prepare magnesium sulfate heptahydrate solution;
S4: adding urea solution with the concentration of 75% into the reaction kettle, then slowly dropping ammonium nitrate solution with the concentration of 85% and magnesium sulfate heptahydrate solution into the urea solution with the concentration of 75%, and stirring while dropping, and after reacting for 30 minutes, detecting the weight percentage content of nitrogen and magnesium in the product, until the content of N in the product is 28-32% and the content of MgO is 1.5-1.7%, and finishing the reaction to obtain the magnesium-containing urea ammonium nitrate liquid. 7502995
S5, adding y-aminobutyric acid into the magnesium-containing urea ammonium nitrate liquid in step S4 for polymerization to obtain the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
Preferably, in step S4, the reaction temperature is controlled between 25°C and 46°C, and the reaction time is 30 ~ 90 minutes.
Preferably, in step S5, 12kg of y-aminobutyric acid is added to per ton of magnesium-containing urea ammonium nitrate liquid.
Another technical scheme of the application: the application of the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
Preferably, the dosage of the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 50-60kg/mu.
Preferably, the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is diluted by 300-500 times and then applied to sugarcane fields.
Compared with the prior technology, the present invention has the following beneficial effects: 1. Compared with the traditional urea-ammonium nitrate liquid fertilizer, the effectiveness of nitrogen and magnesium in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer of the invention is more than doubled, and the field application proves that the utilization rate of nitrogen and magnesium reaches 70-80%. 2. The high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer of the invention is combined with y-aminobutyric acid, which can promote the absorption of trace elements by sugarcane and enhance fertilizer efficiency. At the same time, it can form a protective film on sugarcane roots, improve crop resistance and improve fertilizer utilization rate. 3. The nitrogen content in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer produced by the method of the invention is 28-32% in terms of N, and the magnesium content is 1.5-1.7% in terms of MgO. And the fertilizer has stable quality and high utilization rate, which can meet the nutrients and trace elements needed for sugarcane growth, and can reduce the application amount 67902995 fertilizers.
DETAILED DESCRIPTION OF THE INVENTION
The specific embodiments of the present invention will be described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
Embodiment 1
The test site is located in Guangxi Academy of Agricultural Sciences, and the sugarcane variety planted is Guitang 44. And setting up four test areas and applying fertilizers according to the following four treatments:
Treatment 1: Applying the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
The special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane. And it comprises the following components in parts by weight: 40 parts of ammonium nitrate, 30 parts of urea, 10 parts of magnesium sulfate heptahydrate, 0.2 part of y-aminobutyric acid and 22 parts of water; and according to the mass fraction, the nitrogen content in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 30% in terms of N, and the magnesium content is 1.6% in terms of
MgO.
The preparation method of the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane comprises the following steps:
S1, preparing urea solution with the mass fraction of 75% for later use;
S2, preparing ammonium nitrate solution with the mass fraction of 85% for later use;
S3, mixing magnesium sulfate heptahydrate with the rest water to prepare magnesium sulfate heptahydrate solution;
S4: adding urea solution with the concentration of 75% into the reaction kettle, then slowly dropping ammonium nitrate solution with the concentration of 85% and magnesium sulfate heptahydrate solution into the urea solution with the concentration of 75%, and stirring while dropping, and after reacting for 30 minutes, detecting the weight percentage content of nitrogen and magnesium in the product, until the content of N in the product is 28-32% and the content of MgO is 1.5-1.7%, and finishing the reaction [57502995 obtain the magnesium-containing urea ammonium nitrate liquid.
S5, adding y-aminobutyric acid into the magnesium-containing urea ammonium nitrate liquid in step S4 for polymerization to obtain the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
Treatment 2 (control): Applying the commercially available urea ammonium nitrate liquid fertilizer, that is, the fertilizer does not contain magnesium sulfate heptahydrate and y-aminobutyric acid.
Treatment 3: Applying magnesium-containing urea ammonium nitrate liquid fertilizer without y-aminobutyric acid. That is, the preparation method of the fertilizer in this treatment is similar to that in treatment 1, except that there is no step S5 and y-aminobutyric acid is not added.
Treatment 4: Applying containing magnesium urea ammonium nitrate liquid fertilizer obtained by simple mixing. That is, the fertilizer in this treatment has the same formula as that in treatment 3, and it does not contain y-aminobutyric acid, but only contains ammonium nitrate, urea and magnesium sulfate heptahydrate. However, the preparation method is different from that in treatment 3, and the ammonium nitrate, urea, magnesium sulfate heptahydrate and water are directly put into a reaction kettle for mixing reaction at one time without adjusting the concentration of ammonium nitrate and urea.
Applying fertilizers according to the above different treatments, and applying the same amount of nitrogen in the basal fertilizer application period, wherein, applying 50 kg of high-efficiency potassium polyphosphate fertilizer of the application per mu, diluting the fertilizer by 400 times and then applying the diluted fertilizer to sugarcane fields, and applying the rest treatments with the same amount of nitrogen as treatment 1, and then planting and managing according to conventional methods. The yield of sugarcane is obviously different, see Table 1 for details.
Table 1 Comparison of sugarcane planting effects with different treatment methods 992995
Treatments | Sugarcane yield(kg/MU) | Increased yield(kg/mu) Increased yield rate(%) emee| 5
As can be seen from Table 1, compared with the treatment 2 applied with common urea-ammonium nitrate liquid fertilizer, the nitrogen fertilizer utilization rate in the treatment 1 applied with the high-efficiency magnesium-containing urea-ammonium nitrate liquid fertilizer in this application is significantly improved, and the sugarcane yield increases by 2198kg/Mu, with the increased yield rate of 36.5%. And treatment 3 and treatment 4 are not as effective as treatment 1, which indicates that y-aminobutyric acid has a good synergistic effect. The difference between treatment 3 and treatment 4 also indicates that the fertilizer preparation method of the application is more stable in quality and better in applying effect than the conventional fertilizer prepared by simple mixing.
Embodiment 2
The test site is located in Longan County, Nanning, Guangxi, and the sugarcane variety planted is Guitang 44. And setting up four test areas and applying fertilizers according to the following four treatments:
Treatment 1: Applying the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
The special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane. And it comprises the following components in parts by weight: 39 parts of ammonium nitrate, 34 parts of urea, 10 parts of magnesium sulfate heptahydrate, 0.3 part of y-aminobutyric acid and 20 parts of water; and according to the mass fraction, the nitrogen content in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 32% in terms of N, and the magnesium content is 1.6% in terms of
MgO. LU502995
The preparation method of the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane comprises the following steps:
S1, preparing urea solution with the mass fraction of 75% for later use;
S2, preparing ammonium nitrate solution with the mass fraction of 85% for later use;
S3, mixing magnesium sulfate heptahydrate with the rest water to prepare magnesium sulfate heptahydrate solution;
S4: adding urea solution with the concentration of 75% into the reaction kettle, then slowly dropping ammonium nitrate solution with the concentration of 85% and magnesium sulfate heptahydrate solution into the urea solution with the concentration of 75%, and stirring while dropping, and after reacting for 30 minutes, detecting the weight percentage content of nitrogen and magnesium in the product, until the content of N in the product is 28-32% and the content of MgO is 1.5-1.7%, and finishing the reaction to obtain the magnesium-containing urea ammonium nitrate liquid.
S5, adding y-aminobutyric acid into the magnesium-containing urea ammonium nitrate liquid in step S4 for polymerization to obtain the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
Treatment 2 (control): Applying the commercially available urea ammonium nitrate liquid fertilizer, that is, the fertilizer does not contain magnesium sulfate heptahydrate and y-aminobutyric acid.
Treatment 3: Applying magnesium-containing urea ammonium nitrate liquid fertilizer without y-aminobutyric acid. That is, the preparation method of the fertilizer in this treatment is similar to that in treatment 1, except that there is no step S5 and y-aminobutyric acid is not added.
Treatment 4: Only applying urea.
Applying fertilizers according to the above different treatments. In the basal fertilizer application period, applying 60kg of the high-efficiency potassium polyphosphate fertilizer of the application per mu, diluting it by 500 times, and then applying the diluted fertilizer to sugarcane fields. And applying all treatments with the same amount of nitrogen respectively, and planting and managing according to conventional methods.
The yield of sugarcane is obviously different, see Table 2 for details. 0502995
Table 2 Comparison of sugarcane planting effects with different treatment methods
Treatments Sugarcane Increased Increased yield(kg/mu) yield(kg/mu) yield rate(%)
Treatment2 6107 (control) [eme | wm | 1
As can be seen from Table 2, compared with the treatment 2 applied with common urea-ammonium nitrate liquid fertilizer, the nitrogen fertilizer utilization rate in the treatment 1 applied with the high-efficiency magnesium-containing urea-ammonium nitrate liquid fertilizer in this application is significantly improved, and the sugarcane yield increases by 2260 kg/mu, with the increased yield rate of 37%. The effect of treatment 4 only applied with urea is the worst.
Embodiment 3
The test site is located in Yongning District, Nanning City, Guangxi, and the sugarcane variety planted is Guitang 42. And setting up four test areas and applying fertilizers according to the following four treatments:
Treatment 1: Applying the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
The special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane. And it comprises the following components in parts by weight: 42 parts of ammonium nitrate, 29 parts of urea, 11 parts of magnesium sulfate heptahydrate, 0.1 part of y-aminobutyric acid and 19 parts of water; and according to the mass fraction, the nitrogen content in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 29% in terms of N, and the magnesium content is 1.7% in terms of
MgO.
The preparation method of the special high-efficiency magnesium-containing urea 992995 ammonium nitrate liquid fertilizer for sugarcane comprises the following steps:
S1, preparing urea solution with the mass fraction of 75% for later use;
S2, preparing ammonium nitrate solution with the mass fraction of 85% for later use;
S3, mixing magnesium sulfate heptahydrate with the rest water to prepare magnesium sulfate heptahydrate solution;
S4: adding urea solution with the concentration of 75% into the reaction kettle, then slowly dropping ammonium nitrate solution with the concentration of 85% and magnesium sulfate heptahydrate solution into the urea solution with the concentration of 75%, and stirring while dropping, and after reacting for 30 minutes, detecting the weight percentage content of nitrogen and magnesium in the product, until the content of N in the product is 28-32% and the content of MgO is 1.5-1.7%, and finishing the reaction to obtain the magnesium-containing urea ammonium nitrate liquid.
S5, adding y-aminobutyric acid into the magnesium-containing urea ammonium nitrate liquid in step S4 for polymerization to obtain the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
Treatment 2 (control): Applying the commercially available urea ammonium nitrate liquid fertilizer, that is, the fertilizer does not contain magnesium sulfate heptahydrate and y-aminobutyric acid.
Treatment 3: Applying magnesium-containing urea ammonium nitrate liquid fertilizer without y-aminobutyric acid. That is, the preparation method of the fertilizer in this treatment is similar to that in treatment 1, except that there is no step S5 and y-aminobutyric acid is not added.
Treatment 4: Only applying urea and organic fertilizer.
Applying fertilizers according to the above different treatments, and applying 50 kg of high-efficiency potassium polyphosphate fertilizer of the application per mu, diluting the fertilizer by 400 times and then applying the diluted fertilizer to sugarcane fields, and applying the rest treatments with the same amount of nitrogen as treatment 1, and then planting and managing according to conventional methods. The yield of sugarcane is obviously different, see Table 3 for details.
Table 3 Comparison of sugarcane planting effects with different treatment methods HUS02995
Treatments Sugarcane Increased Increased yield(kg/mu) yield(kg/mu) yield rate(%)
Treatment2 6102 (control)
As can be seen from Table 3, compared with the treatment 2 applied with common urea-ammonium nitrate liquid fertilizer, the nitrogen fertilizer utilization rate in the treatment 1 applied with the high-efficiency magnesium-containing urea-ammonium nitrate liquid fertilizer in this application is significantly improved, and the sugarcane yield increases by 2072kg/mu, with the increased yield rate of 34%. And treatment 4 only applied with urea and organic fertilizer is not as effective as treatment 1.
In addition, based on the difference between the treatment applied with the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane and the blank control, and the difference between the treatment applied with the urea ammonium nitrate liquid fertilizer and the blank control, it shows that the nitrogen utilization rate of urea ammonium nitrate liquid fertilizer is 70-80%.
To sum up, the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane of the present invention is combined with y-aminobutyric acid, which can effectively enhance fertilizer efficiency and improve fertilizer utilization rate. Compared with urea-ammonium nitrate liquid fertilizer, the effectiveness of nitrogen and magnesium in the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane in this application has more than doubled, and the field application proves that the utilization rate of nitrogen and magnesium reaches 70-80%.
The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and explanation.
These descriptions are n6t 992995 intended to limit the invention to the precise form disclosed, and it is obvious that many changes and variations are possible in light of the above teachings.
The purpose of choosing and describing the exemplary embodiments is to explain the specific principles of the invention and its practical application, so as to enable those skilled in the field to make and use various exemplary embodiments and various choices and changes of the invention.
The scope of the invention is intended to be defined by the claims and their equivalents.

Claims (8)

CLAIMS LU502995
1. A special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane is characterized in that it comprises the following components in parts by weight: 39-42 parts of ammonium nitrate, 29-34 parts of urea, 10-11 parts of magnesium sulfate heptahydrate, 0.1-0.3 part of y-aminobutyric acid and 19-22 parts of water; and according to the mass fraction, the nitrogen content in the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 28-32% in terms of N, and the magnesium content is 1.5-1.7% in terms of MgO.
2. The preparation method of the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane according to claim 1 is characterized in that it comprises the following steps: S1, preparing urea solution with the mass fraction of 75% for later use; S2, preparing ammonium nitrate solution with the mass fraction of 85% for later use; S3, mixing magnesium sulfate heptahydrate with the rest water to prepare magnesium sulfate heptahydrate solution; S4: adding urea solution with the concentration of 75% into the reaction kettle, then slowly dropping ammonium nitrate solution with the concentration of 85% and magnesium sulfate heptahydrate solution into the urea solution with the concentration of 75%, and stirring while dropping, and after reacting for 30 minutes, detecting the weight percentage content of nitrogen and magnesium in the product, until the content of N in the product is 28-32% and the content of MgO is 1.5-1.7%, and finishing the reaction to obtain the magnesium-containing urea ammonium nitrate liquid; S5, adding y-aminobutyric acid into the magnesium-containing urea ammonium nitrate liquid in step S4 for polymerization to obtain the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane.
3. The preparation method according to claim 2 is characterized in that the preparation method of ammonium nitrate solution with the concentration of 85% is as follows: under the conditions of pressure of 0.4-0 .5MPa and temperature of 175-180°C, introducing ammonia gas into nitric acid with the concentration of 50-60%, and then neutralizing it to the pH of 3-4, and then introducing ammonia gas continuously, and adjusting the pH to 7 to obtain the ammonium nitrate solution with the concentration op 20299
85%.
4. The preparation method according to claim 2 is characterized in that in step S4, the reaction temperature is controlled between 25°C and 46°C, and the reaction time is ~ 90 minutes.
5. The preparation method according to claim 2 is characterized in that in step S5, 12kg of y-aminobutyric acid is added to per ton of magnesium-containing urea ammonium nitrate liquid.
6. The application of the special high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer for sugarcane according to any one of the claims 1-5.
7. The application according to claim 6 is characterized in that the dosage of the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is 50-60kg/mu.
8. The application according to claim 7 is characterized in that the high-efficiency magnesium-containing urea ammonium nitrate liquid fertilizer is diluted by 300-500 times and then applied to sugarcane fields.
LU502995A 2022-11-03 2022-11-03 A Special High-Efficiency Magnesium-Containing Urea Ammonium Nitrate Liquid Fertilizer for Sugarcane LU502995B1 (en)

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