施用化肥“六忌”一忌铵态氮肥与碱性肥料混合施。铵态氮肥能与破性肥料发生化学反应，产生气，造成氮素损失，降低肥效。碳酸氢铵、硫酸铵、磷酸铵等都是铵态氮肥，碱性肥料如钙镁磷肥、草木灰、石灰等。二忌碳酸氢铵浅施，要深施覆土。碳酸氢铵极不稳定，在常温下容易分... Application of fertilizer “six bogey” Avoid ammonium nitrogen fertilizer mixed with alkaline fertilizer. Ammonium nitrogen fertilizer and broken fertilizer chemical reaction occurs, resulting in gas, resulting in nitrogen loss and reduce fertilizer. Ammonium bicarbonate, ammonium sulfate, ammonium phosphate are ammonium nitrogen fertilizer, alkaline fertilizer such as calcium magnesium phosphate, ash, lime and so on. Second, avoid the ammonium bicarbonate shallow facilities, to deep soil cover. Ammonium bicarbonate is very unstable, easily at room temperature points ...