一、应施发酵腐熟后的有机肥,勿施未发酵的或新鲜有机肥。未经发酵的有机肥在水中分解会消耗大量氧气,并且产生许多有害气体侵害鱼类,鲜肥能引起草鱼细菌性烂鳃病。 二、在有机肥中掺入2％的生石灰,以加速肥料的分解转化,杀灭发酵肥中残存的寄生虫卵,同时还可提 First, should be applied fermented organic fertilizer maturity, do not apply unfermented or fresh organic fertilizer. Unfired organic fertilizer decomposition in the water will consume large amounts of oxygen, and produce many harmful gases on the fish, fresh grass can cause grass carp bacterial gill disease. Second, the incorporation of 2% of the organic fertilizer quicklime, in order to accelerate the decomposition of fertilizer conversion, kill the parasite eggs remaining in fermentation fat, but also can be mentioned