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1·分期注水鱼苗放养初期因水温不高,为提高水质肥度和温度,应将水深保持在50~70厘米,施足基肥。随着鱼体的增长和投饵、施肥的增加,应逐渐注入适量新水,这对调节水质,促进饵料生物的繁殖和鱼类生长,提高施肥效果等均有明显作用。
1 · staging waterflooding early stocking due to the water temperature is not high, in order to improve the water quality and temperature, water depth should be maintained at 50 to 70 cm, Shizujifei. With the growth of the fish and feeding, fertilization increases, should be gradually injected into the amount of new water, which regulate the water quality and promote the breeding of food organisms and fish growth, improve fertilization effects have a significant role.