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鱼塘如果水质恶化,会造成鱼类缺氧、中毒,甚至死亡。防止鱼塘水质恶化,应注意以下措施。1.适时清淤:鱼塘保留15～20厘米厚的淤泥,能起到保肥、供肥和缓冲水质的作用,如果淤泥过厚,应及时清淤。清淤一般在冬季或早春进行。方法是,先排干水池,清除淤泥,然后晒塘,使用前再用生石灰
Fish ponds can cause oxygen deficiency, poisoning and even death if their water quality deteriorates. To prevent deterioration of the quality of fish ponds, should pay attention to the following measures. 1 timely dredging: fish ponds retain 15 to 20 cm thick sludge, can play a fat, fertilizer and buffer water quality role, if the sludge is too thick, should be timely dredging. Dredging is generally carried out in winter or early spring. Method is to drain the pool first, remove the mud, and then sun pond, use lime before use