北方粳稻最优产量氮肥阈值周年变化及其影响因素分析
陈玥, 宫亮, 金丹丹, 张鑫, 李波, 邹晓锦, 隋世江, 叶鑫, 刘艳

Annual Variation of Nitrogen Fertilizer Threshold for Optimal Yield of Northern Japonica Rice and Its Influencing Factors Analysis
Chen Yue, Gong Liang, Jin Dandan, Zhang Xin, Li Bo, Zou Xiaojin, Sui Shijiang, Ye Xin, Liu Yan
图4 植株吸氮量与施氮量的关系
Fig.4 Correlation of N uptake and N application