养鱼池保持适当淤泥,可起到供肥、保肥和调节水质的作用。但池塘淤泥过多,会造成下层水长期呈缺氧状态。目前是鱼池清整的好时机,对淤泥过多的鱼池可采取以下措施改良: 挖去过多淤泥。一般池底保留5厘米左右淤泥。 日晒冰冻池底。通过日晒和冰冻杀死病菌,增加淤泥的通气性和简单无机物的 Fish ponds to maintain proper sludge, can play a role for fertilizer, fertilizer and regulate water quality. But too much pond sludge, will cause long-term hypoxia water was lower. At present, it is a good time to clean the fish ponds. The following measures can be taken to improve the muddy pond: Too much mud. The general reserve of about 5 cm bottom mud. Sunburn bottom of the pool. Kill germs by sun and ice, increase aeration of silt and simple inorganics