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2 水稻生育期内降雨量、灌溉量及输入无机氮含量(2011-2018年)
Fig.2 Rainfall, irrigation and inorganic N input during the rice growth period (2011-2018)