全国科技养鱼能手，隆昌县云顶乡石鹅村杨世民，积累了冬春放鱼种经验，鱼生长快，鱼病发生减少，增产增收，他的做法是：一、清塘消毒。放鱼前检查塘埂，堵漏塞洞，疏通渠道，清除杂草。每亩塘（水深1米）用生石灰200公斤加水化浆全塘泼洒消毒。二、灌水培肥。用生石灰消毒后3 National science and technology fish expert, Longchang County Genting Township Goose Village Yang Shimin, has accumulated winter and spring release of fish experience, fast-growing fish, reduce fish diseases, increase production and income, his approach is: First, clear pond disinfection. Check the ponds before putting fish, plug the plug hole, clear the channel, remove weeds. Per acre ponds (depth of 1 meter) with lime 200 kg of water slurry Tong Tang sprinkle disinfection. Second, irrigation and fertilization. After using lime disinfection 3