Method for producing efficient plant liquid fertilizer by using tylosin finished product liquid

Abstract

The invention discloses a method for producing an efficient plant liquid fertilizer by using a tylosin finished product liquid, and belongs to the technical field of fertilizer preparation. The preparation method comprises the following steps: performing biological process fermentation and chemical process degradation on a tylosin finished product liquid, adding monopotassium phosphate and trace element nutrient substances for proportioning, and finally performing post-treatment on the proportioned liquid to obtain the efficient plant liquid fertilizer. In the degradation process, the used photodegradation catalyst has good cycle stability, the used ultraviolet light source can kill microorganisms existing in the liquid, re-sterilization is not needed, energy is saved, residual tylosin in the finished product liquid can be adsorbed, and the degradation efficiency is improved; the prepared efficient plant liquid fertilizer has a good plant growth promoting effect and is worthy of wide-range popularization.

Description

Technical Field

[0001] The invention relates to the technical field of fertilizer preparation, and in particular to a method for producing high-efficiency plant liquid fertilizer by utilizing tylosin finished product liquid. Background Art

[0002] Liquid fertilizer, also known as liquid fertilizer or liquid fertilizer, is a fertilizer in liquid form. Compared with traditional solid fertilizers, liquid fertilizers have the characteristics of rapid effect, uniformity, convenience and flexibility. The use of liquid fertilizers is of great significance to improving fertilizer utilization, promoting plant growth, reducing environmental pollution and saving water resources.

[0003] In the process of producing liquid fertilizer using chemical methods, a series of chemical substances are added, which may cause certain pollution to the soil and water both during the production process and when applied, including salt accumulation, heavy metal pollution, organic pollution and nutrient imbalance. In addition, it is very easy to cause problems such as seedling burn and soil compaction during use.

[0004] Antibiotics are substances produced by certain microorganisms that can inhibit the proliferation of microorganisms and other cells. Their molecular structure contains nitrogen and carbon sources required by plants. They can be used as raw materials for the production of liquid fertilizers, producing a highly utilized, environmentally friendly, pollution-free liquid fertilizer. Summary of the invention

[0005] In order to solve the problems existing in the above-mentioned prior art, the present invention provides a method for producing high-efficiency plant liquid fertilizer by using tylosin finished liquid, which specifically comprises the following steps.

[0006] The present invention provides a method for producing high-efficiency plant liquid fertilizer by using tylosin finished liquid, comprising the following steps: Fermentation of tylosin finished liquid; Degradation of tylosin; The ratio of nutrients; Post-processing.

[0007] Preferably, the fermentation of the tylosin finished liquid is to add the tylosin finished liquid to activated tylosin-degrading bacteria for biological fermentation; The activation step is as follows: activating the tylosin-degrading bacteria in an activation medium at 25-37°C for 12-24 hours; The activation culture medium comprises: 10 g / L glucose, 10 g / L yeast powder, 5 g / L peptone, 10 g / L beef extract, 5 g / L sodium chloride, 20 g / L agar powder, deionized water is adjusted to pH 7.8, and sterilized at 119-121°C for 30-60 min; The tylosin degrading bacteria is at least one of Burkholderia vietnamese and Citrobacter amalonicidum.

[0008] Preferably, the degradation of tylosin is to add a photodegradation catalyst to the fermented tylosin finished liquid for degradation; Wherein, the photodegradation catalyst is prepared by mixing carbon nanotube annular film, bismuth tungstate and silver nitrate; The carbon nanotube annular film is prepared by sequentially mixing carboxylation multi-wall carbon nanotubes with thionyl chloride, ethylenediamine and isocyanate.

[0009] Preferably, the ratio of nutrients is to add nutrients to the photodegraded tylosin finished liquid to make element ratio suitable for plant growth; Wherein, the nutrients are potassium dihydrogen phosphate and trace element nutrients; The trace element nutrient is at least one of ferrous sulfate, zinc sulfate, boric acid, manganese sulfate, and ammonium molybdate; The mass ratio of the ferrous sulfate, zinc sulfate, boric acid, manganese sulfate and ammonium molybdate is 30%-35%: 20%-25%: 30%-35%: 5%-10%: 15%-20%.

[0010] Preferably, the preparation method of the photodegradation catalyst is: The bismuth tungstate modified carbon nanotube ring film, silver nitrate and deionized water are mixed evenly in a mass ratio of 1-5:2:400, stirred with a magnetic stirrer for 30-60 minutes, reacted under light for 1-2 hours, filtered, washed with deionized water for 3-5 times, and dried at 60-80°C for 2-3 hours to obtain a photodegradation catalyst.

[0011] Preferably, the preparation method of the bismuth tungstate modified carbon nanotube annular film is: mixing the carbon nanotube annular film, bismuth tungstate and deionized water in a mass ratio of 1:2~7:1000, ultrasonically dispersing for 15~30 minutes, heating at 160~180°C for 12~24 hours, filtering, washing with deionized water for 3~5 times, and drying at 60~80°C for 4~6 hours to obtain the bismuth tungstate modified carbon nanotube annular film.

[0012] Preferably, the method for preparing the carbon nanotube annular film is: Carboxylated multi-walled carbon nanotubes, thionyl chloride and ethylenediamine were weighed in a mass ratio of 1:100:100-150, and ultrasonically treated at 20-30°C for 15-30 min. Under nitrogen protection, the mixture was refluxed at 45-65°C for 12-24 h, and then distilled under reduced pressure at 45-75°C to evaporate excess thionyl chloride. Ethylenediamine was added, and the mixture was refluxed at 40-60°C for 24-72 h under nitrogen protection. The mixture was filtered through an oily ultrafiltration membrane filter, washed with DMF and petroleum ether for three times, and the product was placed in a vacuum drying oven and dried at 45-50°C for 25-48 h. The dried product was mixed with a toluene solution of 4,4'-diphenylmethane diisocyanate with a concentration of 0.25 mol / L at a mass ratio of 1:100, stirred at room temperature for 30 min, filtered through an oily ultrafiltration membrane, and dried at 25-38°C for 10-12 h to obtain a carbon nanotube annular film.

[0013] Preferably, the method specifically comprises the following steps: Step 1: adding the activated tylosin-degrading bacteria to the tylosin finished product liquid at an inoculum amount of 3%, reacting at 25-37° C. for 12-24 hours to obtain a fermented tylosin finished product liquid; Step 2: mixing the fermented tylosin finished liquid with the photodegradation catalyst at a mass ratio of 800-1000:5, reacting for 20-40 minutes under the irradiation of a xenon lamp light source, and obtaining a degraded tylosin finished liquid; Step 3: mixing the degraded tylosin finished liquid, trace element nutrients, and potassium dihydrogen phosphate in a mass ratio of 800-1000:5:50 to obtain a proportioned tylosin finished liquid; Step 4: Filter the formulated tylosin finished liquid to remove impurities, thereby obtaining a high-efficiency plant liquid fertilizer.

[0014] Preferably, the ultraviolet wavelength of the xenon lamp in step 2 is 200-280 nm.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The invention conducts biological fermentation and chemical degradation of tylosin finished product liquid, adds potassium dihydrogen phosphate and trace element nutrients for proportioning, and finally post-treats the proportioned liquid to obtain a high-efficiency plant liquid fertilizer. The present invention adds microorganisms to carry out preliminary fermentation of tylosin, and ferments and decomposes most of the tylosin into small molecular substances suitable for plant growth; uses a photodegradation catalyst to photodegrade the remaining tylosin in the finished product liquid to prevent the residue of tylosin; when the photodegradation catalytic reaction is carried out, the ultraviolet light source emitted by the xenon lamp can kill the microorganisms in the finished product liquid, and there is no need to add an additional sterilization step afterwards, thereby saving resources; the photodegradation catalyst in the present invention still has a high catalytic efficiency after being recycled for many times, has excellent cycle stability, and can be recycled for many times; a large number of functional groups are on the carbon nanotube annular film, which can be chemically bonded or non-chemically bonded to the hydroxyl group and the carbonyl group on the tylosin, thereby playing an enrichment role, improving the degradation efficiency of the tylosin, and shortening the degradation cycle.

[0016] The present invention combines microbial degradation with photodegradation, has high degradation efficiency, and the prepared liquid fertilizer has no pollution to the soil and has a good promoting effect on plant growth, and is worthy of wide-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a schematic diagram of the process of producing high-efficiency plant liquid fertilizer using tylosin finished liquid in an embodiment of the present invention. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1 This embodiment provides a method for producing high-efficiency plant liquid fertilizer using tylosin finished liquid 1. Weigh carboxylated multi-walled carbon nanotubes, thionyl chloride and ethylenediamine in a mass ratio of 1:100:150, treat with ultrasound at 30°C for 30 min, reflux at 65°C for 24 h under nitrogen protection, then distill at 75°C under reduced pressure to evaporate excess thionyl chloride, add ethylenediamine, reflux at 60°C for 72 h under nitrogen protection, filter with an oily ultrafiltration membrane filter, wash with DMF and petroleum ether for 3 times respectively, put the product into a vacuum drying oven at 50°C and dry it for 48 h, mix the dried product with a toluene solution of 4,4'-diphenylmethane diisocyanate with a concentration of 0.25 mol / L in a mass ratio of 1:100, stir at room temperature for 30 min, filter with an oily ultrafiltration membrane, and dry at 25°C for 12 h to obtain a carbon nanotube annular film. The carbon nanotube annular film, bismuth tungstate, and deionized water were mixed at a mass ratio of 1:7:1000, ultrasonically dispersed for 30 minutes, heated at 180°C for 12 hours, filtered, washed with deionized water three times, and dried at 80°C for 6 hours to obtain a bismuth tungstate-modified carbon nanotube annular film. The bismuth tungstate-modified carbon nanotube annular film, silver nitrate, and deionized water were mixed evenly at a mass ratio of 5:2:400, stirred with a magnetic stirrer for 30 minutes, reacted under light for 2 hours, filtered, washed with deionized water three times, and dried at 80°C for 3 hours to obtain a photodegradation catalyst.

[0020] 2. After activating the Burkholderia vietnamese strain and the Citrobacter amalonic acid-free strain in an activation medium for 24 hours, the inoculation amount was added to the tylosin finished product liquid at 3% and reacted at 37° C. for 24 hours to obtain a fermented tylosin finished product liquid; 3. The fermented tylosin finished liquid was mixed with a photodegradation catalyst at a mass ratio of 1000:5, and reacted for 40 minutes under the irradiation of a xenon lamp to obtain a degraded tylosin finished liquid; Wherein, the xenon lamp light source adjusts the ultraviolet wavelength to 200-280nm; 4. Mix the degraded tylosin finished liquid, trace element nutrients, and potassium dihydrogen phosphate in a mass ratio of 1000:5:50 to obtain a proportioned tylosin finished liquid; The components of the trace element nutrient are as follows by mass percentage: 30% ferrous sulfate, 15% zinc sulfate, 25% boric acid, 10% manganese sulfate, and 20% ammonium molybdate.

[0021] 5. The formulated tylosin finished liquid is filtered to remove impurities, thereby obtaining a highly efficient plant liquid fertilizer.

[0022] Example 2 This embodiment provides a method for producing high-efficiency plant liquid fertilizer using tylosin finished liquid 1. Weigh carboxylated multi-walled carbon nanotubes, thionyl chloride and ethylenediamine in a mass ratio of 1:100:150, treat with ultrasound at 20-30°C for 30 min, reflux at 65°C for 24 h under nitrogen protection, then distill at 75°C under reduced pressure to evaporate excess thionyl chloride, add ethylenediamine, reflux at 60°C for 72 h under nitrogen protection, filter with an oily ultrafiltration membrane filter, wash with DMF and petroleum ether for 3 times, dry the product in a vacuum drying oven at 50°C for 48 h, mix the dried product with a toluene solution of 4,4'-diphenylmethane diisocyanate with a concentration of 0.25 mol / L at a mass ratio of 1:100, stir at room temperature for 30 min, filter with an oily ultrafiltration membrane, and dry at 25°C for 12 h to obtain a carbon nanotube annular film. The carbon nanotube annular film, bismuth tungstate, and deionized water were mixed at a mass ratio of 1:7:1000, ultrasonically dispersed for 30 minutes, heated at 180°C for 12 hours, filtered, washed with deionized water three times, and dried at 80°C for 6 hours to obtain a bismuth tungstate-modified carbon nanotube annular film. The bismuth tungstate-modified carbon nanotube annular film, silver nitrate, and deionized water were mixed evenly at a mass ratio of 5:2:400, stirred with a magnetic stirrer for 30 minutes, reacted under light for 2 hours, filtered, washed with deionized water three times, and dried at 80°C for 3 hours to obtain a photodegradation catalyst.

[0023] 2. After activating the Burkholderia vietnamese strain in an activation medium for 24 hours, the strain was added to the tylosin finished product liquid at an inoculum amount of 3%, and reacted at 37° C. for 24 hours to obtain a fermented tylosin finished product liquid; 3. The fermented tylosin finished liquid was mixed with a photodegradation catalyst at a mass ratio of 1000:5, and reacted for 40 minutes under the irradiation of a xenon lamp to obtain a degraded tylosin finished liquid; Wherein, the xenon lamp light source adjusts the ultraviolet wavelength to 200-280nm; 4. Mix the degraded tylosin finished liquid, trace element nutrients, and potassium dihydrogen phosphate in a mass ratio of 1000:5:50 to obtain a proportioned tylosin finished liquid; The components of the trace element nutrient are as follows by mass percentage: 35% ferrous sulfate, 15% zinc sulfate, 15% boric acid, 10% manganese sulfate, and 20% ammonium molybdate.

[0024] 5. The formulated tylosin finished liquid is filtered to remove impurities, thereby obtaining a highly efficient plant liquid fertilizer.

[0025] Example 3 This embodiment provides a method for producing high-efficiency plant liquid fertilizer using tylosin finished liquid 1. Weigh carboxylated multi-walled carbon nanotubes, thionyl chloride and ethylenediamine in a mass ratio of 1:100:150, treat with ultrasound at 30°C for 30 min, reflux at 65°C for 24 h under nitrogen protection, then distill at 75°C under reduced pressure to evaporate excess thionyl chloride, add ethylenediamine, reflux at 60°C for 72 h under nitrogen protection, filter with an oily ultrafiltration membrane filter, wash with DMF and petroleum ether for 3 times respectively, put the product into a vacuum drying oven at 50°C and dry it for 48 h, mix the dried product with a toluene solution of 4,4'-diphenylmethane diisocyanate with a concentration of 0.25 mol / L in a mass ratio of 1:100, stir at room temperature for 30 min, filter with an oily ultrafiltration membrane, and dry at 25°C for 12 h to obtain a carbon nanotube annular film. The carbon nanotube annular film, bismuth tungstate, and deionized water were mixed at a mass ratio of 1:7:1000, ultrasonically dispersed for 30 minutes, heated at 180°C for 12 hours, filtered, washed with deionized water three times, and dried at 80°C for 6 hours to obtain a bismuth tungstate-modified carbon nanotube annular film. The bismuth tungstate-modified carbon nanotube annular film, silver nitrate, and deionized water were mixed evenly at a mass ratio of 5:2:400, stirred with a magnetic stirrer for 30 minutes, reacted under light for 2 hours, filtered, washed with deionized water three times, and dried at 80°C for 3 hours to obtain a photodegradation catalyst.

[0026] 2. After activating the Burkholderia vietnamese strain in an activation medium for 24 hours, the strain was added to the tylosin finished product liquid at an inoculum amount of 3%, and reacted at 37° C. for 24 hours to obtain a fermented tylosin finished product liquid; 3. The fermented tylosin finished liquid was mixed with a photodegradation catalyst at a mass ratio of 1000:5, and reacted for 40 minutes under the irradiation of a xenon lamp to obtain a degraded tylosin finished liquid; Wherein, the xenon lamp light source adjusts the ultraviolet wavelength to 200-280nm; 4. Mix the degraded tylosin finished liquid, trace element nutrients, and potassium dihydrogen phosphate in a mass ratio of 1000:5:50 to obtain a proportioned tylosin finished liquid; The components of the trace element nutrient are as follows by mass percentage: 30% ferrous sulfate, 15% zinc sulfate, 25% boric acid, 10% manganese sulfate, and 20% ammonium molybdate.

[0027] 5. The formulated tylosin finished liquid is filtered to remove impurities, thereby obtaining a highly efficient plant liquid fertilizer.

[0028] Example 4 This embodiment provides a method for producing high-efficiency plant liquid fertilizer using tylosin finished liquid 1. Weigh carboxylated multi-walled carbon nanotubes, thionyl chloride and ethylenediamine in a mass ratio of 1:100:150, ultrasonically treat at 20°C for 15 min, reflux at 45°C for 12 h under nitrogen protection, then distill at 65°C under reduced pressure to evaporate excess thionyl chloride, add ethylenediamine, reflux at 45°C for 24 h under nitrogen protection, filter with an oily ultrafiltration membrane filter, wash with DMF and petroleum ether for 3 times respectively, put the product into a vacuum drying oven at 45°C and dry it for 25 h, mix the dried product with a toluene solution of 4,4'-diphenylmethane diisocyanate with a concentration of 0.25 mol / L in a mass ratio of 1:100, stir at room temperature for 30 min, filter with an oily ultrafiltration membrane, and dry at 25°C for 10 h to obtain a carbon nanotube annular film. The carbon nanotube annular film, bismuth tungstate, and deionized water were mixed at a mass ratio of 1:3:1000, ultrasonically dispersed for 20 minutes, heated at 160°C for 15 hours, filtered, washed with deionized water three times, and dried at 60°C for 5 hours to obtain a bismuth tungstate-modified carbon nanotube annular film. The bismuth tungstate-modified carbon nanotube annular film, silver nitrate, and deionized water were mixed evenly at a mass ratio of 4:2:400, stirred with a magnetic stirrer for 40 minutes, reacted under light for 1.5 hours, filtered, washed with deionized water three times, and dried at 60°C for 3 hours to obtain a photodegradation catalyst.

[0029] 2. After activating the Burkholderia vietnamese strain and the Citrobacter amalonic acid-free strain in an activation medium for 24 hours, the inoculation amount was added to the tylosin finished liquid at 3%, and the mixture was reacted at 25° C. for 24 hours to obtain a fermented tylosin finished liquid; 3. Mix the fermented tylosin finished liquid with the photodegradation catalyst at a mass ratio of 800:5, and react for 25 minutes under the irradiation of a xenon lamp to obtain a degraded tylosin finished liquid; Wherein, the xenon lamp light source adjusts the ultraviolet wavelength to 200-280nm; 4. Mix the degraded tylosin finished liquid, trace element nutrients, and potassium dihydrogen phosphate in a mass ratio of 800:5:50 to obtain a proportioned tylosin finished liquid; The components of the trace element nutrient are as follows by mass percentage: 30% ferrous sulfate, 15% zinc sulfate, 35% boric acid, 10% manganese sulfate, and 10% ammonium molybdate.

[0030] 5. The formulated tylosin finished liquid is filtered to remove impurities, thereby obtaining a highly efficient plant liquid fertilizer.

[0031] Example 5 This embodiment provides a method for producing high-efficiency plant liquid fertilizer using tylosin finished liquid 1. Weigh carboxylated multi-walled carbon nanotubes, thionyl chloride and ethylenediamine in a mass ratio of 1:100:125, treat with ultrasound at 25°C for 20 min, reflux at 55°C for 18 h under nitrogen protection, then distill at 60°C under reduced pressure to evaporate excess thionyl chloride, add ethylenediamine, reflux at 50°C for 48 h under nitrogen protection, filter with an oily ultrafiltration membrane filter, wash with DMF and petroleum ether for 3 times respectively, put the product into a vacuum drying oven at 46°C and dry for 35 h, mix the dried product with a toluene solution of 4,4'-diphenylmethane diisocyanate with a concentration of 0.25 mol / L at a mass ratio of 1:100, stir at room temperature for 30 min, filter with an oily ultrafiltration membrane, and dry at 33°C for 11 h to obtain a carbon nanotube annular film. The carbon nanotube annular film, bismuth tungstate, and deionized water were mixed at a mass ratio of 1:5:1000, ultrasonically dispersed for 24 minutes, heated at 170°C for 18 hours, filtered, washed with deionized water 5 times, and dried at 70°C for 5 hours to obtain a bismuth tungstate-modified carbon nanotube annular film. The bismuth tungstate-modified carbon nanotube annular film, silver nitrate, and deionized water were mixed at a mass ratio of 4:2:400, stirred with a magnetic stirrer for 45 minutes, reacted under light for 1.5 hours, filtered, washed with deionized water 5 times, and dried at 70°C for 2.5 hours to obtain a photodegradation catalyst.

[0032] 2. Add the activated tylosin-degrading bacteria to the tylosin finished product liquid at an inoculum amount of 3%, react at 30° C. for 18 hours to obtain a fermented tylosin finished product liquid; 3. The fermented tylosin finished liquid was mixed with a photodegradation catalyst at a mass ratio of 900:5, and reacted for 30 minutes under the irradiation of a xenon lamp to obtain a degraded tylosin finished liquid; 4. Mix the degraded tylosin finished liquid, trace element nutrients, and potassium dihydrogen phosphate in a mass ratio of 900:5:50 to obtain a proportioned tylosin finished liquid; The components of the trace element nutrient are as follows by mass percentage: 30% ferrous sulfate, 20% zinc sulfate, 30% boric acid, 5% manganese sulfate, and 15% ammonium molybdate.

[0033] 5. The formulated tylosin finished liquid is filtered to remove impurities, thereby obtaining a highly efficient plant liquid fertilizer.

[0034] Example 6 This example tests the degradation performance of the photodegradation catalysts in Examples 1 to 5. The tylosin finished liquid with the addition of the photodegradation catalyst in Examples 1 to 5 was analyzed and detected by high performance liquid chromatography, with detection performed every 20 minutes. The detection conditions were: the mobile phase was 0.01 mol / L potassium dihydrogen phosphate, the ratio was 30:60, the flow rate was 1 ml / min, and the detection wavelength was 300 nm.

[0035] Table 1 is the photocatalytic degradation of tylosin by photodegradation catalysts

[0036] It can be seen from Table 1 that at 60 min, there is almost no tylosin left, and the addition of the photodegradation catalyst can promote the photodegradation catalytic efficiency of tylosin.

[0037] Example 7 This example tests the recycling performance of the photodegradation catalysts in Examples 1 to 5. The photodegradation catalyst in the impurities after the preparation of the high-efficiency liquid fertilizer in Examples 1 to 5 was recovered and reused in a new round of preparation of the high-efficiency liquid fertilizer, and the photodegradation efficiency was measured after 60 minutes of photodegradation catalysis.

[0038] Table 2 is a test table of the recycling performance of the photodegradation catalyst in Examples 1 to 5

[0039] It can be seen from Table 2 that the photodegradation catalysts in Examples 1 to 5 still have excellent photodegradation efficiency when used in the fourth round and have good recycling performance.

[0040] Example 8 This embodiment provides the application of the high-efficiency plant liquid fertilizer prepared in Examples 1 to 5 in promoting plant growth The experimental soil fertility was uniform, the experimental plant was cotton, and the temperature was controlled at 25°C.

[0041] In this embodiment, a total of 6 treatment groups including embodiments 1 to 5 and a blank control group were set, and 3 repetitions were set in each group. The high-efficiency plant liquid fertilizer prepared in embodiments 1 to 5 was applied to the groups 1 to 5 during the seedling stage, and the same volume of pure water was applied to the blank control group. The other conditions were the same, and the test results were averaged.

[0042] Table 3 is a table of cotton plant heights tested in Example 8

[0043] It can be seen from Table 3 that the average plant heights of cotton in Examples 1 to 5 are all higher than those in the blank control group, which shows that the high-efficiency plant liquid fertilizer prepared by the present invention has a good promoting effect on promoting plant growth.

[0044] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that all equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A method for producing high-efficiency plant liquid fertilizer using tylosin finished liquid, characterized in that: The following steps are involved: Fermentation of tylosin finished liquid; Degradation of tylosin; The ratio of nutrients; Post-processing.

2. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 1, characterized in that: The fermentation of the tylosin finished product liquid is to add the tylosin finished product liquid to the activated tylosin degrading bacteria for biological fermentation; The activation step is as follows: activating the tylosin-degrading bacteria in an activation medium at 25-37°C for 12-24 hours; The activation culture medium comprises: 10 g / L glucose, 10 g / L yeast powder, 5 g / L peptone, 10 g / L beef extract, 5 g / L sodium chloride, 20 g / L agar powder, deionized water is adjusted to pH 7.8, and sterilized at 119-121°C for 30-60 min; The tylosin degrading bacteria is at least one of Burkholderia vietnamese and Citrobacter amalonicidum.

3. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 1, characterized in that: The degradation of tylosin is to add a photodegradation catalyst to the fermented tylosin finished liquid for degradation; Wherein, the photodegradation catalyst is prepared by mixing carbon nanotube annular film, bismuth tungstate and silver nitrate; The carbon nanotube annular film is prepared by sequentially mixing carboxylation multi-wall carbon nanotubes with thionyl chloride, ethylenediamine and isocyanate.

4. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 1, characterized in that: The ratio of nutrients is to add nutrients to the finished tylosin solution after photodegradation to make element ratio suitable for plant growth; Wherein, the nutrients are potassium dihydrogen phosphate and trace element nutrients; The trace element nutrient is at least one of ferrous sulfate, zinc sulfate, boric acid, manganese sulfate, and ammonium molybdate; The mass ratio of the ferrous sulfate, zinc sulfate, boric acid, manganese sulfate and ammonium molybdate is 30%-35%: 20%-25%: 30%-35%: 5%-10%: 15%-20%.

5. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 3, characterized in that: The preparation method of the photodegradation catalyst is: The bismuth tungstate modified carbon nanotube ring film, silver nitrate and deionized water are mixed evenly in a mass ratio of 1-5:2:400, stirred with a magnetic stirrer for 30-60 minutes, reacted under light for 1-2 hours, filtered, washed with deionized water for 3-5 times, and dried at 60-80°C for 2-3 hours to obtain a photodegradation catalyst.

6. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 5, characterized in that: The preparation method of the bismuth tungstate modified carbon nanotube annular film is as follows: the carbon nanotube annular film, bismuth tungstate and deionized water are mixed in a mass ratio of 1:2-7:1000, ultrasonically dispersed for 15-30 minutes, heated at 160-180° C. for 12-24 hours, filtered, washed with deionized water for 3-5 times, and dried at 60-80° C. for 4-6 hours to obtain the bismuth tungstate modified carbon nanotube annular film.

7. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 6, characterized in that: The preparation method of the carbon nanotube annular film is as follows: Carboxylated multi-walled carbon nanotubes, thionyl chloride and ethylenediamine were weighed in a mass ratio of 1:100:100-150, and ultrasonically treated at 20-30°C for 15-30 min. Under nitrogen protection, the mixture was refluxed at 45-65°C for 12-24 h, and then distilled under reduced pressure at 45-75°C to evaporate excess thionyl chloride. Ethylenediamine was added, and the mixture was refluxed at 40-60°C for 24-72 h under nitrogen protection. The mixture was filtered through an oily ultrafiltration membrane filter, washed with DMF and petroleum ether for 3 times, and the product was placed in a vacuum drying oven and dried at 45-50°C for 25-48 h. The dried product was mixed with a toluene solution of 4,4'-diphenylmethane diisocyanate with a concentration of 0.25 mol / L at a mass ratio of 1:100, stirred at room temperature for 30 min, filtered through an oily ultrafiltration membrane, and dried at 25-38°C for 10-12 h to obtain a carbon nanotube annular film.

8. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 1, characterized in that: The specific steps include: Step 1: adding the activated tylosin-degrading bacteria to the tylosin finished product liquid at an inoculum amount of 3%, reacting at 25-37° C. for 12-24 hours to obtain a fermented tylosin finished product liquid; Step 2: mixing the fermented tylosin finished liquid with the photodegradation catalyst at a mass ratio of 800-1000:5, reacting for 20-40 minutes under the irradiation of a xenon lamp light source, and obtaining a degraded tylosin finished liquid; Step 3: mixing the degraded tylosin finished liquid, trace element nutrients, and potassium dihydrogen phosphate in a mass ratio of 800-1000:5:50 to obtain a proportioned tylosin finished liquid; Step 4: Filter the formulated tylosin finished liquid to remove impurities, thereby obtaining a high-efficiency plant liquid fertilizer.

9. A method for producing high-efficiency plant liquid fertilizer utilizing tylosin finished liquid according to claim 8, characterized in that: The wavelength of ultraviolet light from the xenon lamp in step 2 is 200-280 nm.

Images