中国稻田土壤有机质时空变化及其驱动因素

李冬初,黄晶,马常宝,薛彦东,高菊生,王伯仁,张杨珠,柳开楼,韩天富,张会民

Spatio-Temporal Variations of Soil Organic Matter in Paddy Soil and Its Driving Factors in China

LI DongChu,HUANG Jing,MA ChangBao,XUE YanDong,GAO JuSheng,WANG BoRen,ZHANG YangZhu,LIU KaiLou,HAN TianFu,ZHANG HuiMin

表2 不同区域长期监测点土壤有机质含量变化统计

Table 2 Variation of SOM in monitoring points in different region

区域 Region 长期监测点 No. of long-term monitoring points (No.) 上升点 No. of points for SOM increasing (No.) 下降点 No. of points for SOM decline (No.) 无变化 No. of points for SOM no change (No.) 长江中游MYR 52 25 22 5 长江下游LYR 29 12 7 10 华南SC 31 10 8 13 西南SW 22 8 5 9 东北NE 6 3 2 1 全国National 140 58 44 38