Microorganism bactericide capable of reinforcing plants to restore fields polluted by arsenic and preparation and application methods thereof

A microbial inoculum and phytoremediation technology, applied in biochemical equipment and methods, microorganism-based methods, microorganisms, etc., to achieve the effects of increasing the number of effective viable bacteria, wide sources and long storage periods
CN101735997AInactive Publication Date: 2010-06-16INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
Publication Date
2010-06-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a microorganism bactericide capable of reinforcing plants to restore fields polluted by arsenic and preparation and application methods thereof, belonging to the technical field of environment restoration engineering. The strain utilized by the bactericide is Agrobacteriumsp. C13. The bactericide adopts a composite carrier which comprises turfy soil, saw dust, rice hulls and active carbon with the mass percentage being 30:25-30:25-30:15; the microorganism fermentation liquor is mixed with the composite carrier according to the mass ratio of 0.5-1:1; and the adsorption amount of the microorganisms of the composite carrier reaches 109-1012 per gram. The prepared bactericide is applied to the arsenic-polluted fields restored by ciliate desert-grass according to the use amount of 5g / kg, the biomass liveweight of the overground part of the restored plants is improved by 16-17%, and the removal rate of arsenic in the fields is improved by 40-41% in comparison. The carrier of the bactericide in the invention has rich raw materials, simple preparation method and easy realization of large-scale production.
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Description

technical field

[0001] The invention relates to a high-efficiency microbial agent and its preparation and application method, in particular to a microbial agent capable of promoting the arsenic super-accumulator-Centipeda to absorb soil arsenic, and belongs to the technical field of environmental restoration engineering. Background technique

[0002] Arsenic compounds have carcinogenic, teratogenic and mutagenic properties. Arsenic poisoning is a systemic disease mainly caused by the skin, which can harm the skin, respiratory, digestive, urinary, cardiovascular, nervous, and hematopoietic systems of the human body. Due to the exploitation of arsenic-contaminated groundwater, the use of arsenic-containing pesticides and fertilizers, metal smelting and mining, a large amount of land in my country has been severely polluted by arsenic. Arsenic in the soil environment enters the human body through food, drinking water and breathing, and exceeding the limit will cause arsenic po...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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