池塘养殖罗氏沼虾,从当年11月到翌年5月中旬,池塘有一段空闲期得不到利用,在罗氏沼虾池套养青虾,能充分利用虾池,提高养殖效益。 1、池塘清整 4月下旬将池水抽干晒池,在池中挖一条排水捕虾沟。5月初,用生石灰首次清塘,3天后,用生石灰、敌百虫二次清塘,5天后 Macrobrachium rosenbergii pond farming, from November of the following year to mid-May of the following year, the pond is not available for a period of leisure, in the Macrobrachium pond aquaculture shrimp, can make full use of shrimp ponds, improve farming efficiency. 1, pond cleaning In late April the pool water drying sun pool, dig in the pool to catch a drainage shrimp ditch. In early May, the first clear pond with quicklime, 3 days later, with lime, trichlorfon twice clear ponds, 5 days later