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3 不同产量水平群体不同生育阶段钾素积累量及吸收比例差异 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。ns表示HY和SHY群体间差异不显著 P 0.05。
Fig. 3 Differences of potassium accumulation amount and percentage under different yield level populations during various growing phases EM: emergence; BW: beginning of winter; GT: green-turning; EL: elongation; AN: anthesis; MT: maturity. “ns” indicates no significant difference P 0.05 between HY and SHY populations