施石灰和秸秆还田对双季稻产量和氮素吸收的互作效应

廖萍,刘磊,何宇轩,唐刚,张俊,曾勇军,吴自明,黄山

Interactive effects of liming and straw incorporation on yield and nitrogen uptake in a double rice cropping system

Ping LIAO,Lei LIU,Yu-Xuan HE,Gang TANG,Jun ZHANG,Yong-Jun ZENG,Zi-Ming WU,Shan HUANG

图3 施石灰和秸秆还田对双季稻周年产量(a)、周年氮素吸收(b)、4年总产量(c)和总氮素吸收(d)的影响 缩写同图1。误差线表示平均值的标准差(n = 3)。同一年份标的不同小写字母的柱值在不同处理间差异显著(P < 0.05)。

Fig. 3 Effects of liming and straw incorporation on annual yield (a), annual N uptake (b), total yield (c), and total N uptake (d) over the 4-year Abbreviations are the same as those given in Fig. 1. Error bars represent the standard deviation of the mean (n = 3). Bars superscripted by different letters are significantly different at P < 0.05 in the same year.