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Method for enhancing restoration capacity of chickweed on cadmium-polluted soil in orchard through uniconazole

A technology of cadmium-contaminated soil and uniconazole, which is applied in the field of contaminated soil remediation, can solve problems such as unsatisfactory remediation effects, and achieve the effect of improving the ability of the medium

Inactive Publication Date: 2016-10-12
SICHUAN AGRI UNIV
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Problems solved by technology

However, the limitations of simply applying enriched plants often make the remediation effect unsatisfactory, so it is usually necessary to improve the efficiency of phytoremediation with appropriate strengthening measures

Method used

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  • Method for enhancing restoration capacity of chickweed on cadmium-polluted soil in orchard through uniconazole
  • Method for enhancing restoration capacity of chickweed on cadmium-polluted soil in orchard through uniconazole
  • Method for enhancing restoration capacity of chickweed on cadmium-polluted soil in orchard through uniconazole

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Embodiment Construction

[0020] The present invention is described in detail by the following examples, it is necessary to point out that the following examples are only used to further illustrate the present invention, and can not be interpreted as limiting the scope of the present invention, those skilled in the art according to the content of the above invention Some non-essential improvements and adjustments still belong to the protection scope of the present invention.

[0021] 1 Materials and methods

[0022] 1.1 Test material

[0023] The soil used for the test is purple soil, which was taken from the farm of Ya’an Campus of Sichuan Agricultural University (30°23′N, 103°48′E). kg, total phosphorus 0.38g / kg, total potassium 17.54g / kg, total cadmium 0.103mg / kg, alkaline nitrogen 195.00mg / kg, available phosphorus 6.25mg / kg, available potassium 191.13mg / kg, available cadmium 0.022mg / kg.

[0024] The chickweed branches were collected from the farm of Ya'an Campus of Sichuan Agricultural Universi...

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Abstract

The invention provides a method for enhancing the restoration capacity of chickweed on cadmium-polluted soil in an orchard through uniconazole. The method includes the following steps that chickweed rooted due to cutting is transplanted into the cadmium-polluted orchard soil, watering is performed every day, and after 30 days, the uniconazole with the concentration being 10-80 mg / L is sprayed to the chickweed. By means of the method, the cadmium content of the overground portion of the chickweed can be remarkably increased, and the increasing range can reach up to 39.1%; and the cadmium accumulative amount of the overground portion of the chickweed can be increased by 10.47%. By means of the method, the extraction capacity of the chickweed on cadmium in the cadmium-polluted soil in the orchard is remarkably improved.

Description

technical field [0001] The invention belongs to the field of contaminated soil remediation, and in particular relates to a method for enhancing chickweed's ability to remediate cadmium-contaminated soil in orchards by using uniconazole. Background technique [0002] In recent years, the problem of heavy metal pollution in soil has become increasingly serious in my country, among which cadmium (Cd) is one of the most important sources of heavy metal pollution in cultivated land. Among the common contaminated soil remediation technologies, phytoremediation technology has become a current research hotspot due to its advantages of economy, high efficiency, and greenness. However, the limitations of simply applying enriched plants often make the remediation effect unsatisfactory, so it is usually necessary to cooperate with appropriate strengthening measures to improve the efficiency of phytoremediation. Among them, how to enhance the repair ability of enriched plants is one of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/08
CPCB09C1/08
Inventor 林立金廖明安谭玉梅张兴超王梓同刘春阳黄佳璟温铿钟程操
Owner SICHUAN AGRI UNIV
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