光合细菌在甲鱼快速养殖中的作用水产养殖甲鱼养殖中水质极易败坏，进而影响养殖效果。据观测，如不采取改善水质的有效措施，几天内水中的硫化氢和铵态氮等有害物质浓度即增高十几倍乃至几十倍，养殖水体水色变黑，水体发臭。为改善水质，通常采取排出大部分旧水，灌入新... The role of photosynthetic bacteria in snapdragon aquaculture Aquaculture turtle aquaculture water easily corrupt, thus affecting the breeding effect. According to observation, if we do not take effective measures to improve water quality, the concentration of harmful substances such as hydrogen sulfide and ammonium nitrogen in water will increase tenfold or even several times in a few days, aquaculture water body will become black and the water will smell. To improve water quality, usually take to drain most of the old water, pour new ...