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
图3 不同产量层次夏玉米地上部N、P、K元素积累量的差异
图中不同小写字母表示处理间差异达0.05显著水平。缩写同图1
Fig. 3 N, P, K uptake of summer maize under different yield levels
Bars superscripted by different small letters are significantly different between treatments at P < 0.05. Abbreviations are the same as those given in Fig. 1.