化肥养鱼具有成本低 ,见效快的特点。一般施用 1ｋｇ尿素可长成鱼 1 2～ 1 5ｋｇ,1ｋｇ硫酸铵可长成鱼 0 6～ 0 8ｋｇ,1ｋｇ碳酸氢铵可长成鱼 0 4～ 0 7ｋｇ ,1ｋｇ磷酸铵可长成鱼 0 4～0 6ｋｇ。但化肥养鱼要方法得当 ,才能取得较好的效果 ,因此 ,应注意以下问题 :1　 Fertilizer fish with low cost, quick response characteristics. General application of 1kg of urea can grow into fish 1 2 ~ 1 5kg, 1kg ammonium sulfate can grow into a fish 0 6 ~ 0 8kg, 1kg ammonium bicarbonate can grow into a fish 0 4 ~ 0 7kg, 1kg ammonium phosphate can grow into a fish 0 4 ~ 0 6kg. However, fertilizer and fish should be properly managed in order to achieve good results, therefore, we should pay attention to the following questions: 1