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6 0~20cm土壤无机氮表观损失量与施氮量的关系
Fig.6 Relationship between the apparent loss amount of inorganic N in the soil arable layer (0-20cm) and N application