夏季的6～9月份,气温高,鱼类生长快,池塘内氮素的消耗量也大。这时如果用化肥作追肥,既可以防止水质恶化,又不消耗水中溶氧,能为鱼类创造良好的生态条件,减少鱼病发生。但具体施用时,方法和用量要恰到好处,否则,会引起不良后果。 Summer 6 ~ September, the temperature is high, fast-growing fish, nitrogen consumption in the pond is also large. At this time if fertilizer for topdressing, both to prevent deterioration of water quality, do not consume dissolved oxygen in water can create good ecological conditions for fish to reduce the occurrence of fish disease. But the specific application, the method and dosage to just right, otherwise, it will cause adverse consequences.