论文部分内容阅读
一、准备工作1.池塘开挖。土池大小根据生产规模因人而异，一般每个池长40～100米，宽4～5米，深60～80厘米。东西方向，一头进水，一头排水。开挖成功后蓄水30厘米左右，用生石灰清塘，每亩100公斤。2.辅助设施。土池挖好后，在池中央搭一行人跳板，以用于投喂、观察等。接着
First, the preparatory work 1. Pond excavation. Soil pool size varies according to production scale, the general length of each pool 40 to 100 meters, 4 to 5 meters wide and 60 to 80 cm deep. East-west direction, a water, a drainage. After the success of excavation about 30 centimeters of water, with clear lime Tong, 100 kilograms per mu. 2. Auxiliary facilities. After digging the earth pool, take a pedestrian springboard in the middle of the pool for feeding and observation. then