二、早稻田养青虾 早稻田养殖青虾,既可改善稻田生态环境,又可增产增收,是一项很有发展前途的养殖模式。只要坚持因地制宜,严格按照技术规范操作,切实加强饲养管理,早稻田养青虾,在保持稻谷稳产的同时,还能获得亩产20～30公斤的青虾产量,取得比较好的经济效益。其主要操作技术要点是: Second, Waseda shrimp Wased shrimp breeding aquaculture, rice can improve the ecological environment, but also increase production and income, is a very promising breeding model. As long as adhere to local conditions, in strict accordance with the technical specifications to effectively strengthen the feeding and management, shrimp farming in Waseda, while maintaining a stable rice production, but also to obtain per mu 20 to 30 kg of shrimp production, obtain better economic benefits. The main operating technical points are: