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中国农学通报

中国农学通报 ›› 2011, Vol. 27 ›› Issue (5): 126-129.

所属专题： 玉米

• 农学 农业基础科学 • 上一篇    下一篇

控释尿素对吉林春玉米产量和氮肥利用率的影响

王恒 姜亦梅 赵兰坡   

  • 收稿日期:2010-10-20 修回日期:2010-11-19 出版日期:2011-03-05 发布日期:2011-03-05
  • 基金资助:

    国家科技支撑计划项目;吉林省科技厅重大项目;吉林省科技厅重点项目

Effects of Controlled Release Urea on Maize Yield and Apparent N Recovery Rates of Spring Maize in Jilin Province

  • Received:2010-10-20 Revised:2010-11-19 Online:2011-03-05 Published:2011-03-05

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摘要：

为了研究控释尿素对吉林春玉米产量和氮肥利用率的影响，通过不同的控释尿素和普通尿素施用量对吉林春玉米进行处理，在吉林省公主岭市陶家屯进行控释尿素施用效果田间小区试验。试验结果表明，全氮用量和75%氮用量情况下，控释尿素与普通尿素相比，对吉林春玉米增产分别为10.8%和8.1%，产量差异显著；且控释尿素与普通尿素混施增产效果高于控释尿素单一施用效果，增产7.3%。全氮用量和75%氮用量条件下，控释尿素氮素利用率分别为50.4%和57.3%，显著高于普通尿素，且75%氮用量氮素利用率高于全氮用量。

关键词: 马斯洛需求层次理论, 马斯洛需求层次理论

Abstract:

Field plot experiments were conducted to investigate the effects of different application quantities of controlled-releases urea and common urea on spring maize yield and apparent N recovery rates at maize foundation seed farm, Taojia, Jilin Province. The results showed that in comparison with common urea, the controlled release urea at 100% and 75% application rates increased the spring maize yield rate by 10.8% and 8.1%, the difference was significant. Mixed application of controlled release N and common N could increase maize yield obviously by 7.3%. In comparison with common urea, the controlled release urea at 100% and 75% application rates increased the apparent N recovery rates by 50.4% and 57.3% and 75% application rates was higher than 100% application rates.