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1.定期清除池塘淤泥。每隔3～4年,利用冬春无雨干旱季节清淤。为保持渔塘的肥度和水质相对稳定,要保留20厘米深的塘泥。2.暴晒和冷冻池底。经过清淤的池塘,利用空闲时间将塘水排干,让池底接受风吹、日晒和冰冻。塘底少量淤泥会变得较干燥、疏松,同时又能杀死病原体和寄生虫,改
1. Regularly remove pond sludge. Every 3 to 4 years, the use of winter and spring rainy dry season dredging. To keep the fatness and water quality of the fishing pond relatively stable, keep a pond of 20 cm deep. 2. Insolation and freezing bottom. After the dredging of the pond, the use of free time will be drained to the pool bottom to accept the wind, sun and ice. A small amount of mud at the bottom of the pond will become drier, loose and kill pathogens and parasites at the same time.