氮肥管理与地膜覆盖对旱地冬小麦产量和氮素利用效率的影响
李强1,4, 王朝辉1,2,*, 李富翠1, 戴健1, 李孟华1, 何刚1, 曹群虎3, 段长林3, 鱼昌为3

Effects of Nitrogen Fertilizer Management on Yield and Nitrogen Use Efficiency in Winter Wheat Growing on Dryland with Plastic Film Mulching
LI Qiang1,4, WANG Zhao-Hui1,2,*, LI Fu-Cui1, DAI Jian1, LI Meng-Hua1, HE Gang1, CAO Qun-Hu3, DUAN Chang-Lin3, YU Chang-Wei3
图1 不同施氮和覆膜处理对小麦产量、生物量和籽粒含氮量的影响 误差线上不同字母表示处理间存在显著差异 P
Fig. 1 Yield, biomass, and nitrogen content in grain of wheat under different treatments of nitrogen application and film mulching Different letters above error bars indicate significance among treatments at P