施氮量与地膜覆盖对长江中游春玉米产量性能及氮肥利用效率的影响

葛均筑^1,², 李淑娅^1,², 钟新月¹, 袁国印^1,², 徐莹¹, 田少阳¹, 曹凑贵¹, 翟中兵³, 刘诗晴³, 展茗^1,^*, 赵明^2,^*

Effects of Nitrogen Application and Film Mulching on Yield Performance Parameters and Nitrogen Use Efficiency of Spring Maize in the Middle Reaches of Yangtze River

GE Jun-Zhu^1,², LI Shu-Ya^1,², ZHONG Xin-Yue¹, YUAN Guo-Yin^1,², XU Ying¹, TIAN Shao-Yang¹, CAO Cou-Gui², ZHAI Zhong-Bing³, LIU Shi-Qing³, ZHAN Ming^1,^*, ZHAO Ming^2,^*

图3 氮肥用量和地膜覆盖对长江中游春玉米氮肥偏生产力A和氮肥农学利用效率B的影响 MF: 地膜覆盖肥料处理, NMF: 无地膜覆盖肥料处理。误差线上不同小写字母表示处理间差异达0.05显著水平。
Fig. 3 Nitrogen partial factor productivity PFPN, A and agronomic efficiency of nitrogen ANUE, B under different treatments of nitrogen application and film mulching in the Middle Reaches of the Yangtze River MF: film mulching and nitrogen application; NMF: no film mulching and nitrogen application. Different letters above error bars indicate significantly different at 0.05 probability level among treatments.