培肥鱼池水质时,一些水生有害虫类也随之大量孳生。杀灭鱼池中的有害虫类,往往会影响池水中的浮游生物量,所以对鱼池中的有害虫类需要巧杀。其方法是:每667 m2鱼池按水深1 m计算,用柴油50 mL或煤油80 mL、花生油60 mL,加入10 mL敌杀死农药混匀后,在小竹竿一端,绑上塑料泡沫或布 Fertilizer fish pond water quality, some aquatic pests also will be a large number of breeding. The killing of pests in fish ponds often affects the plankton in the pond water, so it is necessary to kill pests in fish ponds. The method is as follows: Calculate the depth of 1m for every 667 m2 fish ponds, and use 50 mL of diesel oil or 80 mL of kerosene and 60 mL of peanut oil, add 10 mL of pesticide to kill the enemy, and then mix the plastic foam or cloth