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化肥养鱼是我国近期发展起来的一项节粮型养鱼方法。在化肥养鱼工作中要注意七点: 1、弄清化肥性质。化肥的品种不同性质也有差异,要弄清在什么条件下使用最好,可与哪些肥料混合,不能与哪些肥料混合。如使用铵态氮肥时,应防止氨的挥发,采用与黄泥混合使用效果好;尿素、硫酸铵、碳酸氢铵都可以与新鲜厩肥,堆肥混合施用,但三者都不可与草木灰等碱性肥混合施用。碳酸氢铵、钙镁磷肥不能与人粪尿混合施用。在使用速效磷肥时,要尽量集中施用,以减少土壤对磷的
Fertilizer and fish farming is a diet-based fish farming method recently developed in our country. In the work of fertilizer fish farming should pay attention to seven points: 1, to clarify the nature of fertilizer. Different varieties of chemical fertilizers are also different, to find out under what conditions the best use, with which fertilizers can not be mixed with what fertilizers. Such as the use of ammonium nitrogen fertilizer, should prevent the ammonia volatilization, mixed with the use of yellow mud effect is good; urea, ammonium sulfate, ammonium bicarbonate can be mixed with fresh manure, compost, but not with all three ash and other alkaline Fertilizer mixed application. Ammonium bicarbonate, calcium magnesium phosphate can not be mixed with human excrement. In the use of available phosphate fertilizer, we should try to focus on the application to reduce soil phosphorus