清除池底过多淤泥 结合冬季干池,挖出过多淤泥。同时经曝晒和冰冻,使土壤干燥疏松,淤泥中的有机物氧化分解和消除积存的还原性中间产物及杀死鱼类寄生虫和致病菌。 保持池水氧气充足 追施有机肥或无机肥培养水质,利用生物增氧,适时合理使用增氧机增氧;经常注入地下水,补充池水? Remove excessive silt combined with winter dry pool, dredged too much mud. At the same time after exposure and freezing, the soil dry loose, organic matter in the sludge oxidation decomposition and eliminate the accumulation of reducing intermediates and kill fish parasites and pathogens. Maintain the oxygen in the water enough to cultivate the water quality of organic fertilizer or inorganic fertilizer, the use of biological oxygenation, timely and reasonable use of aerator aerobics; often injected into the groundwater, add water?