利用塑料大棚培育早繁虾苗,5月至8月中旬饲养前季罗氏沼虾,8月中旬至10月再养后季罗氏沼虾。或者6—9月养罗氏沼虾,10月至翌年5月养青虾。这样,一年养殖两季虾,可大幅度提高池塘养虾经济效益。 1.选好塘口 要求池塘面积5336—6670平方米,水源充足,水质良好,水深2米以上,坡比1:2.5。新井虾池还要在中央开一道4—6米 Cultivation of early plastic shrimp seedlings in plastic sheds, May to mid-August rearing the first Macrobrachium, mid August to October reared after the season Macrobrachium. Or June-September breed Macrobrachium, October to May next year raise shrimp. In this way, breeding two shrimp a year, can greatly improve the economic benefits of pond shrimp. 1. Selected ponds require pond area of ​​5336-6670 square meters, adequate water, good water quality, depth of 2 meters or more, slope ratio of 1: 2.5. New well Shui Chi also open a central 4-6 meters