中国稻田土壤有机质时空变化及其驱动因素
李冬初1,2,黄晶2,马常宝3,薛彦东3,高菊生2,王伯仁2,张杨珠1(
),柳开楼2,4,韩天富2,张会民2()
),柳开楼2,4,韩天富2,张会民2()
Spatio-Temporal Variations of Soil Organic Matter in Paddy Soil and Its Driving Factors in China
LI DongChu1,2,HUANG Jing2,MA ChangBao3,XUE YanDong3,GAO JuSheng2,WANG BoRen2,ZHANG YangZhu1(),LIU KaiLou2,4,HAN TianFu2,ZHANG HuiMin2()
),LIU KaiLou2,4,HAN TianFu2,ZHANG HuiMin2()
图1. 不同区域稻田耕层土壤有机质含量及随经度和纬度变化
箱式图内中间实线、虚线以及箱体的下边缘线、上边缘线、下误差线、上误差线分别表示中值、平均值、第25、75、5、95 百分位数。不同大写字母表示不同区域差异显著（P<0.05）。下同
Fig. 1. The SOM content of paddy soil in different rice cultivation regions and different regions with longitude and latitude
Solid line and dotted line, lower edge and upper edge, bars represent median and mean values, 25th and 75th, 5th and 95th percentiles of all data, respectively. Capital letter indicates the difference significance among different regions at the 0.05 level. The same as below
