北京市大兴区南部土壤有机质空间变异及其影响因素
蒋威1,2, 郜允兵2,3,4, 刘玉2,3,4, 潘瑜春2,3,4, 邢世和1,*

Spatial variability of soil organic matter and its influencing factors in southern area of Daxing District in Beijing
JIANG Wei1,2, GAO Yun-bing2,3,4, LIU Yu2,3,4, PAN Yu-chun2,3,4, XING Shi-he1,*
研究区采样点及其土壤类型分布图