赣榆县 1 999年对虾 (Ｐｅｎａｅｕｓｃｈｉｎｅｎｓｉｓ)与杂色蛤 (Ｒｕｄｉｔａｐｅｓｖａｒｉｅｇａｔａ)混养面积 380ｈｍ2 ,收获杂色蛤 4 80 0ｔ,对虾 1 2 5ｔ,取得了较好的经济效益和社会效益。本项生态农业技术模式适宜在硬泥或沙泥底质的虾塘泥滩推广 ,其技术要点如下 In Ganyu County, the area of ​​polyculture of Penaeuschinensis and Ruditapesvariegata was 380hm2 in 1999, 4080t of Variegated clams were harvested and 125tons of shrimp were obtained, which achieved good economic and social benefits. This eco-agricultural technology model suitable for hard mud or sand muddy shrimp pond mudflat promotion, the technical points are as follows