How to prevent rotten vegetable rotten disease?

After seaweed is eroded, it is difficult to prevent and control. The principle of prevention is mainly adopted. There are mainly the following prevention methods: 1. Drying net: transport the affected net shade to the shore for a day, and then dry it once a day and hang it back to the sea area. . 2, red curtain: sea mud coated on the algae body, if too long, it will cause rotten vegetables, can be washed every few days net curtain. 3. Application of pesticides and fertilization: Antivirus 1200ppm solution was sprayed on the seaweed net curtain at the back of the tide, and 0.3% solution of urea was sprayed on the net curtain. 4, the application of cold storage: In the autumn of the peak period of disease, the seaweed net curtain is placed in a cold storage, avoid high temperature period and then back to the sea area breeding.

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