Microorganism fermentation filtrate and application thereof to degradation of pesticide residues in soil

A technology of microbial fermentation products and pesticide residues, applied in the field of microorganisms and soil remediation, can solve the problems of ecological environment and human health hazards, refractory degradation, high toxicity, etc., and achieve the effect of promoting crop growth

Inactive Publication Date: 2018-05-15
YANGZHOU POLYTECHNIC INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The use of pesticides in agricultural production has made an indelible contribution to eliminating pests and diseases, eradicating weeds, and increasing agricultural production. However, due to the use of high-toxicity, high-residue, and refractory pesticides, it has also seriously affected the ecological environment and human health. the harm of

Method used

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  • Microorganism fermentation filtrate and application thereof to degradation of pesticide residues in soil
  • Microorganism fermentation filtrate and application thereof to degradation of pesticide residues in soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Get dry milk thistle shell (1kg), pulverize it to 20-40 mesh, soak in the cellulase acetic acid-sodium acetate buffer solution (5kg) that mass fraction is 1%, adjust pH to be 4.5- 5.0, after soaking for 6 hours, filter, wash with water until neutral, and dry to obtain the material;

[0019] (2) Mix dry yeast (30g) with the material obtained in step (1) evenly, and leave it to ferment for 7 days at 35°C and an initial pH of 6.0-7.0 to obtain the microbial fermentation product (hereinafter referred to as Product A).

Embodiment 2

[0021] (1) Get dry milk thistle shell (1kg), crush it to 20-40 mesh, soak in the cellulase acetic acid-sodium acetate buffer solution (10kg) that the mass fraction is 3%, adjust the pH to be 4.5- 5.0, after soaking for 5 hours, filter, wash with water until neutral, and dry to obtain the material;

[0022] (2) Mix dry yeast (50g) with the material obtained in step (1) evenly, and leave it to ferment for 10 days at 20°C and an initial pH of 6.0-7.0 to obtain the microbial fermentation product (hereinafter referred to as Product B).

Embodiment 3

[0024] (1) Get dried milk thistle shells (1kg), and pulverize it to 20-40 mesh to obtain material;

[0025] (2) Mix dry yeast (30g) with the material obtained in step (1) evenly, and leave to ferment for 7 days under the conditions of 35° C. and an initial pH of 6.0-7.0 to obtain product C.

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Abstract

The invention relates to a microorganism fermentation filtrate, and the application thereof to degradation of pesticide residues in soil. According to the microorganism fermentation filtrate and the application thereof, by treating a silybum marianum shell with cellulase and adding active dry yeast, the microorganism fermentation filtrate which can be used for degrading the pesticide residues in the soil effectively is obtained; and the obtained microorganism fermentation filtrate can be used for not only degrading organophosphorus and pyrethroid pesticides in the soil effectively, but also replacing common NPK compound fertilizer as well as promoting the growth of crops.

Description

technical field [0001] The invention belongs to the field of microorganisms and soil restoration, and in particular relates to a microbial fermentation product and its application in degrading soil pesticide residues. Background technique [0002] The use of pesticides in agricultural production has made an indelible contribution to eliminating pests and diseases, eradicating weeds, and increasing agricultural production. However, due to the use of high-toxicity, high-residue, and refractory pesticides, it has also seriously affected the ecological environment and human health. hazards. According to statistics, more than 4 million tons of pesticides are used in the world every year, and more than 90% of the pesticides are left in the soil, air and water. In recent years, people's awareness of environmental protection has been continuously strengthened. In order to protect the ecological environment and the safety of agricultural products, it is urgent to develop a green and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/10
CPCB09C1/10
Inventor 黄永兰姜献东尤其俊
Owner YANGZHOU POLYTECHNIC INST
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