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一、看发生时间泛塘死鱼,对大部分精养鱼塘来说,多发生在夏秋高温季节。特别是在气压较低的闷热天气和连续阴雨的情况下更易发生,且大多出现在半夜到凌晨这段时间。而鱼池药物中毒,一般与农田施药、鱼塘施肥及工业排污有关。因此,在农作物防病季节及工业繁忙时期较为多发,出现?
First, see the time occurred Pan Tong dead fish, most of the intensive fish ponds, occurred in the summer season of high temperature. Especially in the low-pressure hot weather and continuous rain more prone to occur, and most appear in the middle of the night to early morning time. The fish pond drug poisoning, the general farm and pesticide application, fish ponds fertilization and industrial sewage. Therefore, in the crop disease prevention season and industrial rush period is more frequent, appear?