不同施氮处理对新单29生育性状及氮肥利用率的影响

Effects of Different Nitrogen Application Methods on Agronomy Characters and Nitrogen Use Efficiency of Maize Xindan 29

田间小区试验结果表明,5种施氮处理对玉米新品种新单29的农艺性状及其利用率均有明显的影响。从综合农艺性状和氮肥利用率考虑,以处理3和处理5效果较好,即666.7m2施纯氮11.84 kg,配施磷钾,苗期施或分期施效果好。

The results of field plot experiment showed that the five kinds of nitrogen treatments obviously influenced the agronomy characters and nitrogen use efficiency of new maize variety Xindan 29. So taking the agronomy characters and nitrogen use efficiency into consideration, the effects of the treatments 3 and 5 were better, that is to say, fertilizing 11.84 kg pure nitrogen combined with potassium and phosphorus at seedling stage or at different stages had better effects.