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1·Limed nitrogen urea can improve the efficiency of urea fertilizer, regulate the growth period of plant, improve the yield of crop and work as pesticide.

石灰氮尿素改善了尿素的肥效，并能调节农作物的生长期，提高产量，还有杀虫效果。

2·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。

3·Types of fertilizer with nitrogen fertilizer, per mu can be with human excrement urine thin 1500 ~ 2000 kg, 5 ~ 10 kg urea.

肥料种类以氮肥为主，每次每亩可施有稀薄的人粪尿液1500 ~ 2000公斤，加入尿素5 ~ 10公斤。

4·The experiments of fertilizer effects between controlled release urea(CRU) and common urea on summer wheat Zhengmai 366 are studied.

采用控释尿素和普通尿素两种氮素肥料进行优质小麦郑麦366肥效试验研究。

5·Adoption of second version of generalized design of small scale urea plant issued by China Wuhuan chemical engineering Corp. in Ninyang fertilizer plant and minor modification on it are introduced.

简述宁阳化肥厂采用中国五环化学工程公司编制的小尿素二版通用设计，并在此基础上进行小改小革的成功经验。

6·The result showed: Among all examined fertilizers, the nutrient release rate of urea was the highest and that of controlled release nitrogen fertilizer was the lowest.

研究结果表明：控释氮肥养分释放速率最低、肥效最长，与尿素相比可改善运动场草坪的外观品质；

7·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。

8·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。

9·The releasing rules of controlled-release urea were investigated by fluorescence photometry method, also yield and fertilizer-saving effects in wheat fanning were examined.

以紫外分光光度法对控释尿素的释放规律进行了测定，结合大田试验考查了控释尿素的增产、节肥效果。

10·The urea plant was revamped with ACES21 process to expand capacity and save energy in the second chemical fertilizer plant of Chuanhua co.

川化股份有限公司第二化肥厂采用ACES 21工艺对尿素装置进行了增产节能技术改造。