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养鱼池塘中生长大量的藻类植物,会使水质恶化,影响鱼类生长,甚至引起鱼类死亡。现介绍几种常见有害藻的防除方法。 1.水网藻多发于较肥的浅水鱼池,旺盛的丝状藻体集结如网带,鱼苗误入网中常因呼吸困难和无法摄食而死亡。防除方法:放鱼种前用生石灰清池,每亩(1亩=667平方米)水深1米水体用7.5千克。发生该藻时,可用硫酸铜
Growing large numbers of algae in fish ponds can deteriorate water quality, affect fish growth and even cause fish deaths. Are introduced several common harmful algae control methods. 1. Hydrilla algae occur in the more fat shallow fish ponds, strong filamentous algae pool such as net belt, fry mistakenly entered the network often due to dyspnea and can not eat and died. Control methods: put fish before the clear lime pool, per acre (1 mu = 667 square meters) water depth of 1 meter with 7.5 kg of water. Occurrence of the algae, available copper sulfate