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每当春夏之交,天气多变,晴转阴时,往往气压降低,水中溶氧减少,这时不但要适当减少当日的施肥量,而且还要密切注意鱼类活动情况,严防鱼浮头严重时“泛池”死亡。鉴此一旦发现严重浮头时,必须应急抢救。在多数农户无增氧机条件下,可用如下土法: 1.大量地向池塘中冲泻新水。 2.向池塘中泼洒黄泥食盐水。每亩用黄泥、食盐4公斤加水调匀后全池泼洒。
Whenever the turn of the spring and summer, the weather is changing, the sky is cloudy, the pressure is often reduced, the dissolved oxygen in the water, then not only to properly reduce the amount of fertilizer on the day, but also pay close attention to fish activities, prevent fish head serious When “Pan-Chi” died. In the event of a serious floating head, emergency rescue must be carried out. In most farmers without aerator conditions, the following can be used in the soil: 1. Plenty of fresh water to the pond. Sprinkle yellowish salt into the pond. With yellow mud per acre, salt, 4 kg of water and mix thoroughly Quanchiposa.