不同叶龄蘖、穗氮肥组合对粳稻产量及氮素利用的影响

王艳,易军,高继平,张丽娜,杨继芬,赵艳泽,辛威,甄晓溪,张文忠

Effects of precision leaf age fertilization on yield and nitrogen utilization of japonica rice

Yan WANG,Jun YI,Ji-Ping GAO,Li-Na ZHANG,Ji-Fen YANG,Yan-Ze ZHAO,Wei XIN,Xiao-Xi ZHEN,Wen-Zhong ZHANG

图1 不同氮肥运筹下各处理每5 d叶龄进程 图中横坐标始于5, 表示叶龄为5叶时移栽, 每条柱中各小段表示每5 d的叶龄进程。

Fig. 1 Leaf age process of every five days under different nitrogen applications The abscissa in the picture starts at 5, said leaf transplanting age of 5 leaves. Each section in each bar represents the process of leaf age growth every five days.