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Complex microbial inoculant capable of efficiently degrading chlorimuron-ethyl and application thereof

A technology of chlorimsulfuron-methyl and compound bacterial agent, which is applied in the restoration of contaminated soil, bacteria, and microbial-based methods, can solve the problem of degradation efficiency that needs further research. No problems such as reports, to achieve the effect of being conducive to the protection of the ecological environment, low production costs, and improving the activity of soil enzymes

Inactive Publication Date: 2016-01-27
NORTHEAST AGRICULTURAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

Although the above-screened strains have relatively good effects on chlorimuron-methyl under aseptic conditions in the laboratory, whether they can survive and have degradation efficiency when released into the environmental soil needs further research
Up to now, there is no report on the study of chlorimuron-methyl-enhanced bioremediation agent

Method used

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  • Complex microbial inoculant capable of efficiently degrading chlorimuron-ethyl and application thereof
  • Complex microbial inoculant capable of efficiently degrading chlorimuron-ethyl and application thereof
  • Complex microbial inoculant capable of efficiently degrading chlorimuron-ethyl and application thereof

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Embodiment Construction

[0017] Embodiments of the present invention will be described in detail below.

[0018] A composite bacterial agent capable of efficiently degrading chlorimuron-methyl, the composite bacterial agent is composed of Rhodococcus erythropolis and Enterobacter sp. at the same concentration of the bacterial solution at a volume ratio of 1:1. The compound bacterial agent capable of efficiently degrading chlorimuron-methyl is used for bioremediation of soil polluted by chlorimuron-methyl. The preferred application method for bioremediation of soil contaminated by chlorimsulfuron-methyl is: the compound bacterial agent that can efficiently degrade chlorimsulfuron-methyl in a ratio of 1% by weight is scattered on the chlorimsulfuron-methyl concentration of 50mg / kg in the soil.

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Abstract

The invention relates to a complex microbial inoculant capable of efficiently degrading chlorimuron-ethyl and an application technology thereof. The complex microbial inoculant is formed by rhodococcus erythropolis and stenotrophomonas in a volume ratio of 1:1 at the same concentration of bacterial liquid, and the complex microbial inoculant is used for soil bioremediation for reducing residual chlorimuron-ethyl in soil. The complex microbial inoculant is simple in compatibility, low in production cost, good in degradation effect, good in soil remediation quality, easy to use and beneficial to ecological environmental protection and production of green agricultural products.

Description

technical field [0001] The invention belongs to bacterial agents and applications, and mainly relates to a composite bacterial agent for bioremediation of chlorimuron-methyl-contaminated soil. Background technique [0002] Chlorimuron-methyl (also known as chlorimuron-methyl, chlorimuron-ethyl) is a sulfonylurea herbicide developed by the DuPont Company of the United States in the 1980s. It has a wide herbicidal spectrum, super high activity, high selectivity, and can be mixed Strong and other characteristics. Since it was widely used in the 1990s, chlorimuron-methyl has been the main species of chemical weeding in soybean fields, and it is widely used in Northeast my country. Chlorsulfuron-methyl has a long residual effect in the soil, up to 2-3 years, and is a long-term residual herbicide. The continuous use of long-residual herbicides for many years can continue to accumulate in the soil, resulting in reduced or no yield of subsequent sensitive crops in continuous cropp...

Claims

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Application Information

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IPC IPC(8): C12N1/20B09C1/10C12R1/01
Inventor 李春艳成小松李大鹏臧海莲吕彤阳成毅刘科然安雪姣刘婉君杜小鹏蓝传增徐翩翩
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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