池塘养蟹放蟹前应在池底和池边普遍栽植一定数量的水生植物,水面上要放适量的以水花生等为主的漂浮性水生植物,使河蟹一下池就有一个良好的生态环境。蟹池中生长的水草不仅可供河蟹摄食,而且为河蟹的栖息、附着、隐蔽及脱壳提供了适宜的场所。河蟹生长所需的营养,不仅要有丰富的蛋白 Pond crab before laying crabs should be at the bottom of the pool and the pool edge generally planted a certain number of aquatic plants, to put on the surface of the amount of water and peanut-based floating aquatic plants, so crab pools have a good ecological environment . Crab ponds in the growth of plants not only for crab feeding, but also crab habitat, attachment, concealment and shelling provide a suitable place. The nutrients needed for the growth of crabs are not only rich in protein