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A kind of ecological selenium-enriched organic nutrient solution and preparation method thereof

A nutrient solution and ecological technology, which is applied in the field of ecological selenium-enriched organic nutrient solution and its preparation, can solve the problems of inability to effectively inhibit invasion, microbial growth, and inability to act as a defense against environmentally harmful microorganisms.

Active Publication Date: 2022-03-08
安徽硒无忧现代农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the present invention provides an ecological selenium-enriched organic nutrient solution and its preparation method, which is used to solve the problem that most of the selenium-enriched nutrient solutions currently on the market are used as selenium-enriched fertilizers, which only affect plants or crops. To promote growth, but can not play the role of resistance to harmful microorganisms in the environment, not only can not effectively inhibit the harmful microorganisms in the environment from infringing on plants or crops during the growth process, and may even cause microbial growth due to the high nutrition of the nutrient solution The growth of the nutrient solution affects the quality of the nutrient solution, and further has a negative effect on the promotion of crop growth

Method used

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  • A kind of ecological selenium-enriched organic nutrient solution and preparation method thereof
  • A kind of ecological selenium-enriched organic nutrient solution and preparation method thereof
  • A kind of ecological selenium-enriched organic nutrient solution and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] A kind of antibacterial auxiliary agent, this antibacterial auxiliary agent is made by following steps:

[0043] Step S1: Add p-aminotoluene and tetrahydrofuran into a cleaned and dried flask, stir at room temperature at a speed of 200r / min until dissolved, then add potassium tert-butoxide to reflux for 30min, then add 1,3-dibromopropane, in Reflux reaction for 5 hours at a temperature of 20°C, and intermediate 1 was obtained after the reaction;

[0044] Step S2: Add N,N-dimethylformamide into the cleaned and dried flask, then add the intermediate 1 prepared in Step S1, stir for 20min at a temperature of 130°C and a speed of 200r / min, after the stirring is completed, Continue to keep the temperature and rotation speed constant, add dimethylamine dropwise to the flask, continue to keep the temperature and rotation speed unchanged after the dropwise addition, and stir for 2 hours. After the reaction is completed, the solvent is removed by rotary evaporation to obtain inte...

Embodiment 2

[0050] A kind of antibacterial auxiliary agent, this antibacterial auxiliary agent is made by following steps:

[0051] Step S1: Add p-aminotoluene and tetrahydrofuran into a cleaned and dried flask, stir at room temperature at a speed of 300r / min until dissolved, then add potassium tert-butoxide to reflux for 30min, then add 1,3-dibromopropane, in Reflux reaction for 5.5 hours at a temperature of 25°C, and intermediate 1 was obtained after the reaction;

[0052] Step S2: Add N,N-dimethylformamide into the washed and dried flask, then add the intermediate 1 prepared in Step S1, stir for 20min at a temperature of 135°C and a speed of 250r / min, after the stirring is completed, Continue to keep the temperature and rotation speed constant, add dimethylamine dropwise to the flask, continue to keep the temperature and rotation speed unchanged after the dropwise addition, and stir for 2.5 hours. After the reaction is completed, the solvent is removed by rotary evaporation to obtain i...

Embodiment 3

[0058] A kind of antibacterial auxiliary agent, this antibacterial auxiliary agent is made by following steps:

[0059] Step S1: Add p-aminotoluene and tetrahydrofuran into a cleaned and dried flask, stir at room temperature at a speed of 400r / min until dissolved, then add potassium tert-butoxide to reflux for 30min, then add 1,3-dibromopropane, in Reflux reaction for 6 hours at a temperature of 30°C, and intermediate 1 was obtained after the reaction;

[0060] Step S2: Add N,N-dimethylformamide into the washed and dried flask, then add the intermediate 1 prepared in step S1, stir for 20min at a temperature of 140°C and a speed of 300r / min, after the stirring is completed, Continue to keep the temperature and rotation speed constant, add dimethylamine dropwise to the flask, continue to keep the temperature and rotation speed unchanged after the dropwise addition, and stir for 3 hours. After the reaction is completed, the solvent is removed by rotary evaporation to obtain inter...

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Abstract

The invention discloses an ecological selenium-enriched organic nutrient solution and a preparation method thereof, which belongs to the technical field of preparation of selenium-enriched nutrient solution and is used to solve the problem that the selenium-enriched nutrient solution currently on the market cannot effectively inhibit harmful microorganisms in the environment from harming plants or The infringement of crops during the growth process may even cause the growth of microorganisms due to the high nutrition of the nutrient solution, which will affect the quality of the nutrient solution and further have a negative effect on the promotion of crop growth. The ecological selenium-enriched organic nutrient solution is prepared When adding an antibacterial additive, it is prepared step by step from p-aminotoluene and 1,3-dibromopropane as raw materials. The final antibacterial additive has the characteristics of both quaternary ammonium salt antibacterial agent and chloramine antibacterial agent. It can effectively kill microbial cells, and can exist stably in aqueous solution and dry environment. It can effectively solve the problem that it cannot kill microorganisms and affect the function of nutrient solution when applied to nutrient solution.

Description

technical field [0001] The invention relates to the technical field of preparation of selenium-rich nutrient solution, in particular to an ecological selenium-rich organic nutrient solution and a preparation method thereof. Background technique [0002] Selenium is a non-metallic element with the chemical symbol Se, which is located in the fourth period VIA group (element No. 34) in the periodic table of chemical elements. It can be used as a photosensitive material, a catalyst in the electrolytic manganese industry, an essential nutrient element for animals and a beneficial nutrient element for plants, etc. Selenium exists in two ways in nature: inorganic selenium and plant active selenium. Inorganic selenium generally refers to sodium selenite and sodium selenate, which are obtained from the by-products of metal mineral deposits; the latter is formed by combining selenium with amino acids through biotransformation, and generally exists in the form of selenomethionine. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/60C05G5/20
CPCC05G3/60C05G5/20C05B7/00C05C9/00C05C11/00C05D9/02C05F11/00C05F11/02C05G3/00
Inventor 王德超王玉山贾为兰
Owner 安徽硒无忧现代农业科技有限公司
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