高产鱼塘的特点是放养的鱼类规格大、数量多、品种齐全、食性和生活习性复杂。所以其水质要适合多种鱼类生长的需要 ,这是夺取全年丰收的关键。尤其是在夏季高温季节 ,日照时间长、水温高、投饵施肥比平时多 ,水质容易发生变化 ,除了要根据水质、天气变化适量适时施肥外 ,还应 High-yielding fish ponds are characterized by large stocking size, large number of varieties, variety, food habits and complex habits. Therefore, its water quality to suit the needs of a variety of fish growth, which is to seize the key to full-year harvest. Especially in the hot season in summer, the sunshine time is long, the water temperature is high, and the fertilization of feeding is more than usual, the water quality is prone to change. In addition to timely fertilization based on the water quality and weather changes,