不同栽培管理条件下夏玉米产量与肥料利用效率的差异解析

王洪章,刘鹏,贾绪存,李静,任昊,董树亭,张吉旺,赵斌

Analysis of differences in summer maize yield and fertilizer use efficiency under different cultivation managements

Hong-Zhang WANG,Peng LIU,Xu-Cun JIA,Jing LI,Hao REN,Shu-Ting DONG,Ji-Wang ZHANG,Bin ZHAO

表1 试验期间生育进程及生育期气象因子

Table 1 Growth stage and meteorological factors during the experiment

年份 Year 地点 Site 播种日期 Sowing date (month/day) 收获日期 Harvest date (month/day) 生育期天数 Total days (d) ≥10℃有效积温 Accumulated temperature (℃) 光合有效辐射量 Radiation (MJ m-2) 降雨量 Rainfall (mm) 2017 泰安Tai’an 6/12 10/06 116 1788.8 1102.8 427.5 淄博Zibo 6/12 9/29 109 1778.9 991.5 244.4 烟台Yantai 6/20 10/06 108 1722.5 1067.4 420.8 2018 泰安Tai’an 6/12 10/06 116 1833.3 1175.8 515.4 淄博Zibo 6/13 10/01 110 1875.6 1165.2 632.8 烟台Yantai 6/20 10/08 110 1742.5 1177.5 449.1