山区鱼塘放养鱼类,由于面积小,至今还沿用传统养鱼方法,但对水质改良有一套投资小、见效快。无公害的调控方法,对提高鱼产量,改善鱼品质效果显著。 一、污浊水 鱼塘中流入过多的废水,有的还带有病菌,使池水污浊,造成水质严重恶化,鱼易患病。要及时排水,同 Fish ponds stocked in mountainous areas, due to their small size, still follow the traditional method of fish farming. However, there is a small investment in water quality improvement and quick results. Pollution control methods, to improve fish production, improve fish quality significantly. First, polluted water ponds into the excessive waste water, and some also with bacteria, pollute the water, resulting in a serious deterioration of water quality, fish susceptible to illness. To timely drainage, with