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A Method for Evaluating the Ecotoxicity of Soil Residual Atrazine Using Broad Bean

A technology of atrazine and broad bean, applied in the field of soil protection, can solve the problem of less evaluation of soil organic pollutants

Active Publication Date: 2019-04-05
ANHUI UNIVERSITY OF ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Enzymes are widely used as biological indicators to evaluate the pollution degree of heavy metals to soil, but there are few evaluations on soil organic pollutants

Method used

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  • A Method for Evaluating the Ecotoxicity of Soil Residual Atrazine Using Broad Bean
  • A Method for Evaluating the Ecotoxicity of Soil Residual Atrazine Using Broad Bean

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: A method for evaluating the ecotoxicity of soil residual atrazine using broad bean

[0023] A method for evaluating the ecotoxicity of soil residual atrazine by applying broad beans, including soil treatment and broad bean pot experiments; the soil treatment refers to adjusting the moisture content of the soil to be tested and the standard soil moisture content to 60wt%, and putting it in 25 ℃ 24 hours in the incubator; Described broad bean pot experiment comprises the following steps:

[0024] The first step: germination

[0025] The broad bean seeds are sterilized with 15% hydrogen peroxide for 20 minutes, then soaked in distilled water, and then transferred to an incubator to cultivate the broad bean seeds to germinate to obtain the seeds after germination;

[0026] Step Two: Germinate

[0027] The seeds after the germination are sown respectively in the second container containing the first container of the soil to be tested and the standard soil, and t...

Embodiment 2

[0032] Example 2: A method for evaluating the ecotoxicity of soil residual atrazine by applying broad bean

[0033] A method for evaluating the ecotoxicity of soil residual atrazine by applying broad beans, including soil treatment and broad bean pot experiments; the soil treatment refers to adjusting the moisture content of the soil to be tested and the standard soil moisture content to 60wt%, and putting it in 25 ℃ 24 hours in the incubator; Described broad bean pot experiment comprises the following steps:

[0034] The first step: germination

[0035] The broad bean seeds are sterilized with 15% hydrogen peroxide for 20 minutes, then soaked in distilled water, and then transferred to an incubator to cultivate the broad bean seeds to germinate to obtain the seeds after germination;

[0036] Step Two: Germinate

[0037] The seeds after the germination are sown respectively in the second container containing the first container of the soil to be tested and the standard soil,...

Embodiment 3

[0042] Example 3: A method for evaluating the ecotoxicity of soil residual atrazine by applying broad bean

[0043] A method for evaluating the ecotoxicity of soil residual atrazine by applying broad beans, including soil treatment and broad bean pot experiments; the soil treatment refers to adjusting the moisture content of the soil to be tested and the standard soil moisture content to 60wt%, and putting it in 25 ℃ 24 hours in the incubator; Described broad bean pot experiment comprises the following steps:

[0044] The first step: germination

[0045] The broad bean seeds are sterilized with 15% hydrogen peroxide for 20 minutes, then soaked in distilled water, and then transferred to an incubator to cultivate the broad bean seeds to germinate to obtain the seeds after germination;

[0046] Step Two: Germinate

[0047] The seeds after the germination are sown respectively in the second container containing the first container of the soil to be tested and the standard soil,...

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Abstract

A method for evaluating the ecotoxicity of soil residual atrazine using broad beans, including soil treatment and broad bean pot testing; the soil treatment refers to adjusting the soil moisture content to be tested and the standard soil moisture content to 60wt%, and placing it at 25°C in the incubator for 20 to 30 hours; the broad bean pot test includes germination, germination, growth and detection. The present invention uses the growth and physiological characteristics of broad beans as indicators and can effectively detect the degree of environmental pollution caused by atrazine.

Description

technical field [0001] The invention relates to a method for evaluating the ecological toxicity of soil residual atrazine by using broad beans, and belongs to the technical field of soil protection. Background technique [0002] Atrazine is widely used in farmland weeding and is the main herbicide in corn fields. According to statistics, more than 80 countries around the world are using atrazine to control weeds. The unscientific use of atrazine has resulted in a large amount of atrazine remaining in the farmland. Qiao Xiongwu et al. found that atrazine used in the field can be degraded by 90% in the same year, but the residual atrazine can still be detected after 130 weeks of application. Residual atrazine will harm the growth of crops and reduce the yield of crops. In 1993, in Zhangjiakou, Hebei, a large area of ​​rice was killed due to residual atrazine, and the total affected area reached 100,000 mu. For this reason, many scientific research institutions study the saf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/24
CPCG01N33/24G01N33/245
Inventor 杨英朱光蕤徐玲冯艳辉胡振东赵庆王健伟
Owner ANHUI UNIVERSITY OF ARCHITECTURE
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