盛夏是水生动物的最佳生长时期,但养殖水体内富营养化现象严重,氨氮、亚硝酸盐、硫化氢等物质含量超标,主要渔事是:改善底质,调节水质;加强鱼、虾等养殖动物的饲养管理;加大鱼病防治力度。1.提升池塘水位使池塘水位逐步提升到1.2米以上,加水选择在晴好天气的 Summer is the best growth period of aquatic animals, but the eutrophication of aquaculture water is serious, and the contents of ammonia, nitrite and hydrogen sulfide are beyond the standard. The main fisheries are to improve the sediment quality and adjust the water quality. Breeding animals breeding management; increase prevention and treatment of fish diseases. 1. Raise the pond water level to gradually raise the pond water level to 1.2 meters above, add water to choose in fine weather