施用有机肥对我国作物氮肥利用率影响的整合分析
任科宇1,段英华1(
),徐明岗1,张旭博2()
),徐明岗1,张旭博2()
Effect of Manure Application on Nitrogen Use Efficiency of Crops in China: A Meta-Analysis
REN KeYu1,DUAN YingHua1(),XU MingGang1,ZHANG XuBo2()
),XU MingGang1,ZHANG XuBo2()
图2. 我国不同区域单施化肥（NPK）和有机肥配施（NPKM）氮肥利用率
图中不同的小写字母表示差异显著（P<0.05）;中间实线代表中位数,虚线代表平均数,箱图的上下两边分别代
Fig. 2. The NUE by crops for NPK and NPKM treatments in different regions of China
Different lowercases indicate significantly different (P<0.05); The solid line in the box represents the median value; Dash line represents the average value, and the upper and lower sides of box represent 75% and 25% percentiles, respectively; Error bars represent maximum and minimum values of all the date, respectively; n represents independent sample size
