urea fertilizer application

This paper presents the application of ammonia stripping urea process in Hainan Natural Gas Chemical Fertilizer Plant, problems during commissioning run and the improvement measures to be taken.

介绍氨汽提尿素工艺在海南化肥厂的应用，以及试生产过程中存在的问题及采取的改进措施。

Ammonia volatilization appears regular change in the condition of the same amount of urea applied to the soil with different treatments of phosphorus fertilizer application.

当等量尿素追施入不同施磷处理土壤后，氨挥发速率出现规律变化。

The production method, application effect and environment benefit were introduced for long effective urea base compounded and mixed fertilizer taking the long effective urea as a basis.

介绍了以长效尿素为基础氮肥的长效尿基复混肥料的生产方法、使用效果和环境效益。