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河鲀养殖塘套养刀额新对虾是在不改变河鲀苗正常投放数量、饲养管理的同时,在6~10月期间套养两茬刀额新对虾,取得了较理想的增产增效的结果。平均每667m~2产商品虾100kg,现将养殖情况介绍如下: 1 池塘的选择及清整 选择一具有2hm~2水面的池塘作为试验塘,海水水源充足,水质良好,排水方便,海水交换比较流畅。全年池水深度可维持在1.5~2.0m,池堤坡度1:(2~2.5),池底坡1:300,有独立的进排水渠在4月中旬每667m~2用100kg生石灰进行干法清塘,然后蓄水达0.75m,进水口用双层70目纱绢过滤。
River 鲀 breeding ponds raising knot new shrimp is not to change the number of river 鲀 seedlings normal feeding, feeding and management at the same time, from June to October to raise two stumps of new shrimp, and achieved a more satisfactory yield and efficiency result. An average of 667m ~ 2 production of shrimp 100kg, now farming situation are as follows: 1 pond selection and cleaning Select a pond with 2hm ~ 2 surface water as a test pond, seawater sufficient, good water quality, drainage convenience, seawater exchange comparison Smooth. The annual depth of the water pool can be maintained at 1.5 ~ 2.0m, 1: (2 ~ 2.5) pool slope, pool slope 1: 300, there are independent into the drainage canal in mid-April every 667m ~ 2 with 100kg quick lime for dry Clear pond, and then water up to 0.75m, inlet with double-decker 70 mesh yarn filter.