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近年来北方地区利用塑料大棚养殖罗氏沼虾、南美白对虾等名特优新品种的水面大幅度增加。但受塑料大棚的限制 ,一般池塘面积均在６６０ｍ２ 左右 ,水面小 ,利用叶轮式、水车式等常规增氧方法 ,一般都会出现各种问题 ,尤其利用黄河水作为养殖用水水源 ,泥沙含量大 ,所以增氧效果
In recent years, the use of plastic greenhouses in the northern region of Macrobrachium rosenbergii, Penaeus vannamei and other famous new varieties of water increased significantly. However, due to the restriction of plastic sheds, the general pond area is about 660m2. The water surface is small. Generally, various problems occur with conventional oxygenation methods such as impeller type and waterwheel type. In particular, the Yellow River water is used as a breeding water source and sediment content Big, so aerobic effect