“稻田养鱼鱼养稻,粮食增产鱼丰收”,是我国广大农民对稻田养鱼的历史经验总结。近年来,人们在发展鱼业生产实践中对怎样解决养鱼稻田“施化肥、打农药、浅灌晒田”这三大矛盾进行试验与探索,取得了初步成效。一、施用化肥:在稻田中施化肥是促进水稻增产的重要措施。稻谷需要的氮、磷、钾等肥料,同时也是培养鱼类饵料生物——浮游生物和底栖生物所需要的营养盐类,所以应该说:在特定的范围内,稻田肥料的多少, “Paddy fish farming fish, grain yield fish harvest” is China’s vast number of farmers on the history of fish farming experience summary. In recent years, people have tried their best to find out how to solve the three major contradictions of “applying chemical fertilizers, pesticides and shallow irrigation in the fish farming field” in the development of fish production. First, the application of fertilizers: fertilizers in paddy fields is an important measure to promote rice yield. Nitrogen, phosphorus, potassium and other fertilizers needed by paddy are also nutrients needed to cultivate bait organisms, plankton and benthos. Therefore, it should be said that the amount of paddy fertilizer within a certain range,