如东县岔南乡杨码村二组养鱼户陈寿富,承包村里一口0.9亩的鱼池。为了改善养殖条件,去年春他花了300多元用泥浆泵,将沉积约有一米多的淤泥清出池塘。然后投放了近300元的二龄鱼种。经过一年的投喂管理,当年成鱼一般都达到0.7公斤左右。谁知,今年二月份他在鱼池内沤制了10棵杨树。大约过了一个多月的时间,池水变质,鱼类 Rudong County Township Yang code two groups of fish farmers Chen Shou-fu, contracting a 0.9-acre fish pond. In order to improve farming conditions, he spent more than 300 yuan last spring on a mud pump to remove about one meter of sediment from the pond. Then put nearly 300 yuan of second-year species of fish. After a year of feeding management, when adults generally reached 0.7 kg. Who knows, he made 10 poplars in the fish pond in February this year. After about a month or so, the water deteriorated, fish