田间开放式增温对东北水稻氮素利用的影响

阮俊梅, 张俊, 刘猷红, 董文军, 孟英, 邓艾兴, 杨万深, 宋振伟, 张卫建

Effects of free air temperature increase on nitrogen utilization of rice in northeastern China

RUAN Jun-Mei, ZHANG Jun, LIU You-Hong, DONG Wen-Jun, MENG Ying, DENG Ai-Xing, YANG Wan-Shen, SONG Zhen-Wei, ZHANG Wei-Jian

图4 增温对氮素收获指数(A)、氮素干物质生产效率(B)和氮素籽粒生产效率(C)的影响 CK: 对照; W: 增温。不同字母表示对照与增温处理间差异显著(P < 0.05)。

Fig. 4 Effects of warming on N harvest index (A), N dry matter production efficiency (B), and N grain production efficiency (C) in rice CK: control; W: warming. Different lowercase letters denote significant difference at P < 0.05 between the treatments.