5养成技术5.1池塘养殖三疣梭子蟹养殖池塘可使用对虾养殖池。要求池塘面积在0.2～2 hm~2,水深1.5 m以上;水源充足,水质良好,排灌方便;底质为沙泥底,保水性好。在池塘底部开挖宽约2.5 m、水深2 m以上的环沟,并在池中央部位投放一些瓦片、树枝等隐蔽物。为防止外逃,要在池周加设防逃网或防逃墙。防逃网高约1 m,埋入地 5 develop technology 5.1 Pond culture Portunus tritrophus breeding ponds can be used shrimp ponds. Requires pond area of ​​0.2 ~ 2 hm ~ 2, depth of 1.5 m or more; adequate water, good water quality, irrigation and drainage convenience; sediment bottom of the sand, good water retention. At the bottom of the pond, excavate a ring ditch with a width of 2.5 m and a water depth of 2 m or more, and put some hidden objects such as tiles and branches in the central part of the pond. In order to prevent flight, to add anti-defensive net in the pool week or anti-evasion wall. Fangtao Wang about 1 m, buried