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无机肥俗称化学肥料。无机肥料具有肥分含量高、肥效迅速、分解时不消耗氧气,但肥效不全面、肥劲较短等特点。池塘施用的无机肥包括氮肥、磷肥、钾肥、钙肥。1.氮肥:主要有碳酸氢铵(含氮16%～17%)、硫酸铵(含氮20%～21%)、氯化铵(含氮24%～25%)、氨水(含氮15%～17%)和尿素(42%～46%)等。
Fertilizer commonly known as chemical fertilizers. Inorganic fertilizers with high fat content, rapid fertilizer, decomposition does not consume oxygen, but the effect is not comprehensive, fat and other short-term characteristics. Inorganic fertilizers used in ponds include nitrogen fertilizer, phosphate fertilizer, potash fertilizer and calcium fertilizer. 1. Nitrogen fertilizer: mainly ammonium bicarbonate (16% -17% nitrogen), ammonium sulfate (20% -21% nitrogen), ammonium chloride (24% -25% nitrogen), ammonia ~ 17%) and urea (42% ~ 46%) and so on.