氮肥和密度对高粱产量及氮肥利用率的影响

张瑞栋,曹雄,岳忠孝,梁晓红,刘静,黄敏佳

Effects of Nitrogen and Density Interaction on Grain Yield and Nitrogen Use Efficiency of Sorghum

Ruidong Zhang,Xiong Cao,Zhongxiao Yue,Xiaohong Liang,Jing Liu,Minjia Huang

图3 不同密度条件下氮肥农学利用率的比较

Fig.3 Comparison of nitrogen agronomic efficiency under different density levels