Method for controlling blue-green algae in aquaculture

A technology for aquaculture and cyanobacteria, which is applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., can solve the problems of increasing the oxygen demand of aquaculture water, increasing the burden of oxygenation, and high oxygen consumption of cyanobacteria. Immunity, good survival and reproduction, strong phototaxis effects

Inactive Publication Date: 2018-11-20
ZHANJIANG EVERGREEN CULTURE TECH SERVICE
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  • Application Information

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Problems solved by technology

[0008] In recent years, farmers have also used the microecological agent Bacillus to treat cyanobacteria, but Bacillus is an aerobic bacterium, and the dead cyanobacteria consume a lot of oxygen. Although the use of Bacillus has a certain effect, it increases the oxygen demand of the aquaculture water. , increasing the burden of oxygenation

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  • Method for controlling blue-green algae in aquaculture
  • Method for controlling blue-green algae in aquaculture
  • Method for controlling blue-green algae in aquaculture

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Embodiment Construction

[0022] Such as figure 1 Shown, the method for controlling cyanobacteria in a kind of aquaculture of the present invention, comprises the following steps:

[0023] S1. Add powdered humic acid to the aquaculture pond. Before adding humic acid, observe the water volume in the aquaculture pond. The time for adding humic acid is between 11:00 and 13:00 at noon, and dissolve it with fresh water before putting it in. Mix the powdery humic acid and then sprinkle it in the whole pond. Sprinkle more on the edge of the pond at the downwind outlet. The dosage of humic acid is 1kg / mu·m of water body;

[0024] S2, put in lactic acid bacteria liquid and brown sugar in the aquaculture pond, the amount of putting in lactic acid bacteria liquid is 3L / mu·meter of water body, the amount of putting in brown sugar is 4kg / mu·meter of water body; Wherein: the production steps of lactic acid bacteria liquid are as follows: S21. Mix lactic acid bacteria powder, activator and water in a ratio of 1:10:1...

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Abstract

The invention discloses a method for controlling blue-green algae in aquaculture. The method comprises steps as follows: S1, powdery humic acid is delivered into an aquaculture pond, and the deliveryamount of the humic acid is 1 kg / mu / m water body; S2, a lactic acid bacteria solution and brown sugar are delivered into the aquaculture pond, the delivery amount of the lactic acid bacteria solutionis 3 L / mu / m water body, and the delivery amount of the brown sugar is 4 kg / mu / m water body; S3, S1 and S2 are repeated every other day till the seventh day. With the method, growth of the blue-green algae can be effectively controlled, raw materials are easy to prepare, and the method for controlling the blue-green algae is environment-friendly, safe and efficient.

Description

technical field [0001] The invention relates to a method for controlling algae, in particular to a method for controlling algae in aquaculture. Background technique [0002] Cyanobacteria are widely distributed in natural water bodies and are the most primitive and oldest algae. They like to live in water bodies rich in organic matter and with high pH values, and they like high temperature. It can appear in extremely adverse environments, and has strong tolerance to adverse environments such as elevated temperature and salinity, decreased illumination, nutrients, dissolved oxygen, and hydrogen sulfide. [0003] In some eutrophic aquaculture water bodies, cyanobacteria often multiply in large numbers in summer, and form a layer of blue-green and fishy-smelling foam on the water surface, which is called "water bloom". For example, Microcystis blooms in high temperature seasons in summer , forming a thick layer of paint-like substance on the surface of the water body. Not onl...

Claims

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Application Information

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IPC IPC(8): C02F3/34C02F1/58C02F101/30C02F103/20
CPCC02F3/34C02F1/58C02F2101/30C02F2103/20
Inventor 于鸽潘姚宋华文
Owner ZHANJIANG EVERGREEN CULTURE TECH SERVICE
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