模拟自然生态环境条件,进行鱼、虾、蟹、鳝、鳅等多品种混养,可达到池塘养殖低投入、高效益的目的。其技术要点如下:一、池塘条件。池塘为近正方形,四周沟宽8米,深0.6—0.8米,滩面可提水至1.2米,池底为沙质土壤,淤泥较少,水源水质良好,注排水设施齐全,内设2吨水泥船一条,用于管理。池塘内侧埋入密眼聚乙烯网布,以防鳝、鳅、克氏螯虾、蟹等钻洞。池埂牢固,用石棉瓦 Simulation of natural ecological conditions, for fish, shrimp, crab, eel, loach and other species of polyculture, pond farming can be achieved with low input, high efficiency purposes. The technical points are as follows: First, the pond conditions. The pond is nearly square with 8 meters of width and 0.6-0.8 meters of depth around the beach. The surface of the beach can raise water to 1.2 meters. The bottom of the pond is sandy soil with less silt and good water quality. The water injection facilities are complete and equipped with 2 tons A cement ship for management. Pond embedded dense mesh polyethylene mesh inside, to prevent eel, loach, Crayfish, crabs and other drilling holes. Pool 埂 solid, with asbestos