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Fertilizer for enhancing plant disease resistance and production process thereof

A technology of disease resistance and fertilizer, which is applied in the field of fertilizers that enhance plant disease resistance and its production process, can solve the problems of short fertilizer efficiency, low ability to resist diseases and insect pests, and poor effect of ordinary fertilizers, so as to prevent dead seedlings and rotten plants, crops, etc. Sufficient and comprehensive absorption of nutrients and good biocompatibility

Inactive Publication Date: 2021-09-10
谭志强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a fertilizer for enhancing plant disease resistance and its production process, which solves the technical problems of poor effect of ordinary fertilizers, low resistance to diseases and insect pests and short fertilizer efficiency

Method used

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  • Fertilizer for enhancing plant disease resistance and production process thereof
  • Fertilizer for enhancing plant disease resistance and production process thereof
  • Fertilizer for enhancing plant disease resistance and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A sustained-release polyglutamic acid made by the following steps:

[0030] Step S1: Add polyvinyl alcohol (molecular weight 2000) into deionized water according to the dosage ratio of 2g: 48mL, heat to 85°C while stirring at a speed of 200r / min, and keep warm for 1h to completely dissolve polyvinyl alcohol in deionized water water, and then lower the temperature to 60°C to obtain a polyvinyl alcohol solution;

[0031] Step S2: Add glutaraldehyde and excess polyglutamic acid (molecular weight: 100,000 Daltons) to the polyvinyl alcohol solution, the dosage ratio of polyvinyl alcohol solution, polyglutamic acid and glutaraldehyde is 480mL: 10g: 1.5mL, at a temperature of 60°C, the hydroxyl group in polyvinyl alcohol, the amide bond in polyglutamic acid, and the two aldehyde groups in glutaraldehyde undergo a cross-linking reaction, and the reaction is incubated for 1.5 hours to obtain a cross-linked Modified polyglutamic acid solution;

[0032] Step S3: Spray-dry the cr...

Embodiment 2

[0034] A sustained-release polyglutamic acid made by the following steps:

[0035] Step S1: Add polyvinyl alcohol (molecular weight 3500) into deionized water according to the dosage ratio of 2g: 48mL, heat to 90°C while stirring at a speed of 250r / min, and keep warm for 1h to completely dissolve polyvinyl alcohol in deionized water water, and then lower the temperature to 60°C to obtain a polyvinyl alcohol solution;

[0036] Step S2: Add glutaraldehyde and excess polyglutamic acid (molecular weight: 150,000 Daltons) to the polyvinyl alcohol solution, the dosage ratio of polyvinyl alcohol solution, polyglutamic acid and glutaraldehyde is 480mL: 10g: 1.5mL, at a temperature of 60°C, the hydroxyl group in polyvinyl alcohol, the amide bond in polyglutamic acid, and the two aldehyde groups in glutaraldehyde undergo a cross-linking reaction, and the reaction is incubated for 1.5 hours to obtain a cross-linked Modified polyglutamic acid solution;

[0037] Step S3: Spray-dry the cr...

Embodiment 3

[0039] A sustained-release polyglutamic acid made by the following steps:

[0040] Step S1: Add polyvinyl alcohol (molecular weight 5000) into deionized water according to the dosage ratio of 2g: 48mL, heat to 85°C while stirring at a speed of 300r / min, and keep warm for 1h to completely dissolve polyvinyl alcohol in deionized water water, and then lower the temperature to 60°C to obtain a polyvinyl alcohol solution;

[0041] Step S2: Add glutaraldehyde and excess polyglutamic acid (molecular weight: 200,000 Daltons) to the polyvinyl alcohol solution, and the dosage ratio of polyvinyl alcohol solution, polyglutamic acid and glutaraldehyde is 480mL: 10g: 1.5mL, at a temperature of 60°C, the hydroxyl group in polyvinyl alcohol, the amide bond in polyglutamic acid, and the two aldehyde groups in glutaraldehyde undergo a cross-linking reaction, and the reaction is incubated for 1.5 hours to obtain a cross-linked Modified polyglutamic acid solution;

[0042] Step S3: Spray-dry the ...

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Abstract

The invention discloses a fertilizer for enhancing plant disease resistance and a production process thereof, and belongs to the technical field of fertilizer preparation, the fertilizer comprises the following raw materials: urea, potassium dihydrogen phosphate, potassium nitrate, slow-release polyglutamic acid, an organic chelating agent, trace elements and a microbial agent. The preparation method comprises the following steps: 1, uniformly mixing urea, monopotassium phosphate, a potassium nitrate organic chelating agent and trace elements, heating to 60-80 DEG C, adding slow-release polyglutamic acid, and stirring and mixing to obtain a fertilizer base material; and 2, cooling the fertilizer base material to room temperature, adding the microbial agent, stirring and mixing to form loose particles, thereby obtaining the fertilizer for enhancing plant disease resistance. The technical problems that a common fertilizer is poor in effect, low in disease and pest resistance and short in fertilizer efficiency are solved, and the slow-release polyglutamic acid, the microbial agent and the microelements have a synergistic effect, so that the yield of crops and the resistance to germs and pests can be improved.

Description

technical field [0001] The invention belongs to the technical field of fertilizer preparation, and in particular relates to a fertilizer for enhancing plant disease resistance and a production process thereof. Background technique [0002] With the continuous improvement of living standards, people have higher and higher requirements for the growth rate of plants. However, in recent years, due to the large-scale application of inorganic fertilizers and the lack of organic fertilizers, the soil is agglomerated, the air hole capacity is poor, and the plant roots are few and Poor pricking ability, unbalanced nutrients, and low resistance to diseases and insect pests limit the increase in crop production. Ordinary chemical fertilizers cannot effectively prevent crop diseases, and have no obvious repelling effect on various pests. After the application of ordinary chemical fertilizers, crop seeds germinate slowly, grow slowly, and have low ability to resist diseases and insect p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/40C05G3/60C05G3/80C08J3/24C08L77/04C08L29/04C08K5/07
CPCC05B7/00C05G3/00C05G3/44C05G3/60C05G3/80C08J3/246C08J2377/04C08J2429/04C08K5/07C05C5/02C05C9/00C05D9/02C05F11/08
Inventor 谭志强
Owner 谭志强
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