【摘要】 本文主要探讨了目前我国氮肥利用率低下,肥料损失的原因及危害.并在此基础上来研究如何提高氮肥利用率,提供包括国内外传统的方法和最新的科技方法.传统的方法注重外在条件的改变,即在施用方法上进行改进;而现在的新科技方法则把注意力集中到了肥料本身上,即在肥料中添加新型抑制剂来减缓肥料中氮素的释放速度,以此达到提高其利用率的目的.此种方法不论在国内还是国外都取得了良好的效果.更多还原

【Abstract】 This paper studied the low efficiency of nitrogenous fertilizer of our county,the cause of fertilizer losing and its calamity.Abase above studing how to improving the efficiency of nitrogenous fertilizer,including the traditional and the latest new scientific motheds of our country and other countries.Traditional motheds oriented improving the mothds of fertilizer utilization,that is the change of the outside conditions.But the new scientific moheds pay attention to fertilizers themselves,that is add something to them to improving their efficiency.These methods achieve good effect in or outside.更多还原