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围网养鱼作为大水面新养殖方式受到各地欢迎,并取得可观的经济效益。现将关键技术总结如下。 1.水:水流缓慢,最大流速在0.3米/秒以下。水深1.5至3米之间,水位差在1米以内,远离航道和污染源。 2.围:双层、双排,底纲用石笈加地锚固定;两层网片之间设置防逃观察笼梢;精养高
Seine fish as a large surface of the new breeding methods are welcome everywhere, and achieved considerable economic benefits. The key technologies are summarized below. 1. Water: Slow water flow, the maximum flow rate of 0.3 m / s or less. Water depth of 1.5 to 3 meters, the water level difference within 1 meter away from the waterway and sources of pollution. 2. Wai: double, double row, the end of the stone with stone anchor plus anchor; set between the two anti-escape mesh observation cage tip; intensive high