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pai keng shi yu zhong yue dong fa
Author(s): 
Pages: 23
Year: Issue:  9
Journal: China Fisheries

Keyword:  鱼种越冬坑式引水渠养鱼户排水渠闽西北山区排水沟双层地膜药后观察养鱼稻田;
Abstract: 朱口镇位于闽西北山区,养鱼面积5000亩,每年冬季许多养鱼户捕获成鱼池或养鱼稻田中的鱼时总能收获一部分套养的冬片鱼种。由于原鱼塘要清塘消毒或另行承包,鱼种数量又不很多,所以鱼种越冬便成为棘手问题。经过多年实践摸索,该镇养鱼户们总结出排坑式鱼种越冬法,既工程简便,省塘省田,又便于操作管理,上市出售便捷,鱼种越冬成活率也很高。其主经作法加下;一、排坑工程:选择村旁路边一块秋收完的稻田,要求稻田水源充足、水质良好、排治方便且阳光充足,面积最好在2亩以上。排坑是由两排鱼坑组成,平面形状和剖面形状如图1和图2所示。先在稻田中筑一条直线引水渠,然后沿引水渠方向按需要规划丈量出由多个“日”字形并联而成的图形
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