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鱼过冬水深多少
更新时间: 2021-02-13 23:20:28  

1、水深:应保证越冬池不冻水层在1-1.5米以上。由于越冬池在长期的封冻期中,池水不断渗漏,因此,只考虑入池时的水深是不够的,要注意越冬池的水位变化,及时采取补水措施,使越冬池水保持在要求的范围之内。

2、底质:池底要求平坦,淤泥厚度应在10厘米左右,因淤泥中含有大量的腐殖质,虽能起供肥、保肥和调节水质的作用,但过多的淤泥在分解过程中,将消耗大量氧气容易造成缺氧。所以越冬池的底泥应尽量加以清除。

关键词: 过冬 水深 多少

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