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Preparation method of soak solution of carex cinerascens kukenth. of bottomland of Poyang Lake and use of solution

A technology of incinerating Carex and soaking liquid, which is applied in chemical instruments and methods, botanical equipment and methods, applications, etc., can solve the problems of plant allelopathic algae inhibition and difficult application in natural water bodies, and achieve simple operation and easy access to algae inhibition Simple and easily degradable effect

Inactive Publication Date: 2015-06-10
JIANGXI NORMAL UNIV
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AI Technical Summary

Problems solved by technology

The shortcomings of plant allelopathic algae inhibition in terms of operating costs, raw material acquisition, and inhibition rate make it difficult to apply plant allelopathic algae inhibition to natural water bodies

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Harvest the incinerated carex on the Poyang Lake beach and return to the laboratory, pick out the incinerated carex, cut each section to about 2cm, put it in a 2500ml Erlenmeyer flask, add 2000mL of distilled water, and soak it continuously for about 16 days at room temperature.

[0021] Take out the soaking liquid and pass through a 0.45 μm microporous filter membrane, then add BG11 medium in a certain proportion to obtain the medium of different plant biomass, control the concentration of total nitrogen and total phosphorus in the medium to be 2 mg / L and 0.2 mg / L respectively ( refer to eutrophication levels).

[0022] Cultivate in an indoor temperature-controlled and light-controlled light incubator. The temperature is controlled at 29±0.5°C, the light intensity is 2500lx, and the light-dark ratio is 14h:10h. The biomass of Microcystis is calculated to calculate the effect of the sedge soaking solution on the aeruginosa microcapsules. The inhibition rate of algae is ...

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Abstract

The invention relates to a preparation method of a soak solution of carex cinerascens kukenth. of a bottomland of Poyang Lake and use of the solution. The preparation method comprises the following steps: firstly harvesting the carex cinerascens kukenth. of the bottomland of the Poyang Lake; selecting the carex cinerascens kukenth.; cutting the carex cinerascens kukenth. into 2-4cm sections; then soaking in distilled water, wherein the soaking ratio of the carex cinerascens kukenth. to distilled water is 6g of the carex cinerascens kukenth. to 1L of the distilled water; and after soaking for 14-18 days, filtering to obtain the soak solution. The soak solution of the carex cinerascens kukenth., provided by the invention, has the advantages that the soak solution of the carex cinerascens kukenth. of the bottomland of the Poyang Lake has a relatively strong algal inhibiting rate and is short in algal inhibiting period and remarkable in effect; the carex cinerascens kukenth. of the bottomland of the Poyang Lake is rich in resource and easy to obtain. The soak solution of the carex cinerascens kukenth. of the bottomland of the Poyang Lake is easy in algal inhibiting operation, easy to maintain and low in cost.

Description

technical field [0001] The invention relates to the field of ecological algae control of plant soaking liquid, in particular to a preparation method and application of Poyang Lake beach graying carex soaking liquid. Background technique [0002] The cyanobacterial bloom caused by eutrophication has become a global environmental problem. The cyanobacterial bloom leads to changes in the biochemical properties of water bodies and the decline of water body functions. On average, about 59% of the water blooms in the world are poisonous. In most eutrophic water bodies in my country, the cyanobacteria blooms are mainly dominated by Microcystis aeruginosa, which causes huge economic losses to the environment and social economy, and effectively prevents cyanobacteria. The occurrence of Huahua is an urgent problem to be solved. At present, physical, chemical and biological methods are mainly used for the control of cyanobacteria blooms, such as directly adding chemical algicides (copp...

Claims

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Application Information

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IPC IPC(8): A01N65/40A01P13/00C02F3/32
Inventor 李林赵荣芳
Owner JIANGXI NORMAL UNIV
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