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近年来,随着工农业的迅速发展,大量工厂和城市污水直接排放池塘,水库等水体,使湖库富营养化日益严重,水质逐渐恶化,疾病频繁发生,纷纷出现死鱼现象、渔业减产,经济损失极为惨重。那么被污染的水库及池塘如何进行养鱼呢?
In recent years, with the rapid development of industry and agriculture, a large number of factories and urban sewage directly discharge ponds, reservoirs and other water bodies, making the lake reservoir eutrophication increasingly serious, water quality deteriorating, frequent diseases, have appeared dead fish phenomenon, fishery production, economy The loss is extremely heavy. So how do contaminated reservoirs and ponds fish?