秸秆还田条件下适量施氮对冬小麦氮素利用及产量的影响
陈金1,*, 唐玉海1,2,*, 尹燕枰1, 庞党伟1, 崔正勇1, 郑孟静1, 彭佃亮1, 杨卫兵1, 杨东清1, 李艳霞1, 王振林1,*, 李勇1,*

Effects of Straw Returning Plus Nitrogen Fertilizer on Nitrogen Utilization and Grain Yield in Winter Wheat
CHEN Jin1,**, TANG Yu-Hai1,2,**, YIN Yan-Ping1, PANG Dang-Wei1, CUI Zheng-Yong1, ZHENG Meng-Jing1, PENG Dian-Liang1, YANG Wei-Bing1, YANG Dong-Qing1, LI Yan-Xia1, WANG Zhen-Lin1,*, LI Yong1,*
图1 秸秆还田条件下不同施氮处理对冬小麦地上部干物质积累的影响 S: 秸秆还田; NS: 无秸秆还田; N: 适氮; N-: 减氮; N+: 增氮; N++: 超氮。
Fig. 1 Effect of nitrogen application on shoot dry matter accumulation in winter wheat under straw returning condition S: straw returning; NS: non-straw returning; N: N-moderate; N-: N-reduced; N+: N-increased; N++: N-luxurious.