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在 0 33hm2 的鲤鱼精养池中 ,套养 5 0 0 0 0尾草鱼水花 ,培育草鱼种 1146kg ,成活率 2 3% ,单产折合 34 5 0kg/hm2 。
In 0 33hm2 carp conservation ponds, 50000 waterways of sows were raised and 1146 kg of grass carp cultivated, with a survival rate of 23% and a yield of 3450kg / hm2.