稻茬小麦公顷产量9000 kg群体钾素积累、分配与利用特性

丁锦峰, 訾妍, 杨佳凤, 潘婷, 封超年, 朱新开, 李春燕, 彭永欣, 郭文善^*

Potassium Accumulation, Distribution, and Utilization in Wheat with Yield Potential of 9000 kg ha^-1 in Rice-Wheat Rotation System

DING Jin-Feng, ZI Yan, YANG Jia-Feng, PAN Ting, FENG Chao-Nian, ZHU Xin-Kai, LI Chun-Yan, PENG Yong-Xin, GUO Wen-Shan^*

图1 不同产量水平群体钾素积累动态 EM: 出苗期; BW: 越冬始期; GT: 返青期; EL: 拔节期; AN: 开花期; MT: 成熟期。 br ns和**分别表示HY和SHY群体间差异不显著 P 0.05和差异极显著 P 0.01。
Fig. 1 Dynamics of potassium accumulation amount in different yield level populations EM: emergence; BW: beginning of winter; GT: green-turning; EL: elongation; AN: anthesis; MT: maturity. “ns” and “**” indicate no significant P 0.05 and extremely significant difference P 0.01 between HY and SHY populations, respectively.