Fish pond clear pond method and matters needing attention

Fish pond clear pond method and matters needing attention

Ponds are a breeding ground for fish, so pond conditions must meet the survival needs of fish. The clearing of ponds directly affects the survival rate of fish, the speed of growth, and the level of yield, which is the most basic work for fish production. First, the clearing of fish ponds The old pond used for many years is too much sediment, and must be cleaned before use. The specific methods are as follows: 1. First drain the pool water, dig excess sediment, eliminate pathogens and harmful organisms, and promote organic materials. Decomposition. It is best to clear the pond in the winter so that you can make full use of the sun in the pool during the winter time. 2. The repair and reinforcement of damaged pond dams and leveling of the bottom of the pond can also be carried out through "four reforms," ​​ie, "small reforms, shallow reforms, deepening of stagnant water, and changes in water from leaking water, change the water conservation," to further increase the yield and improve the efficiency of breeding. Second, the drug clear pond and precautions commonly used Qingtang drugs lime, bleach; the main role is to kill wild fish, predators and pathogens. (1) Lime clear pond: The quick lime produces calcium hydroxide, which can increase the PH value of the pool water and release heat, thereby killing the wild fish and other harmful organisms. There are two specific methods: 1. Dry clear pond: Dig a few small pools in the pond and add quicklime. Use 60-75kg of quick lime per acre. Add water to dissolve the whole pool. About 80cm after the application of water a day. 2, with water clear pond: 120-150kg lime per acre, quicklime dissolved in water Quanchiposa, medication 7-13 days drug disappeared. (b), bleaching powder clear pond: The content of available chlorine in bleaching powder is generally 30%. When it encounters water, hypochlorous acid and calcium hypochlorite are generated, thereby killing wild fish, pathogens and parasites. There are two methods of disinfection: dry clear pond with bleaching powder 4-8kg per mu, with water clear pond with 13-15kg per mu, put bleaching powder into the barrel or pot (can not use aluminum, iron and other metal containers), add water to dissolve After Quanchiposa.

Pumpkin Seed

Pumpkin Seeds,Sunflower Seeds,Snow White Pumpkin Seed

Reiyo Foods Co., Ltd. , http://www.ytfrozenfood.com

Next Article
Prev Article