一、放养前准备 池塘要有良好的进排水设施。池塘四周要用竹片、网纱等围起高50厘米的防逃墙在养殖水域设置虾栖息场所,如安设瓦砾、砖头、石块、网片、旧轮胎、草龙等作虾巢,供虾隐蔽栖息和防御敌害。在池内四周种植水葫芦、水花生、水浮莲、茭白等水生植物,其覆盖面一般为池塘水面的1/3,以利 First, prepare stocking ponds have good water intake and drainage facilities. Pond around the use of bamboo, gauze and other encircled high 50 cm anti-fleeing walls in the breeding waters set shrimp habitat, such as the installation of rubble, bricks, stones, mesh, old tires, grass dragon for shrimp nest, Hidden shrimp for shelter and defense predators. Around the pond planted water hyacinth, peanut water, water lettuce, water hyacinth and other aquatic plants, the coverage of the pond surface is generally 1/3, Eli