河南省土壤环境监测背景点位布设参考区域划分研究

解庆锋, 周小果, 王振峰, 马振波, 李胜昌, 张得恩, 司法祯

Reference area division for background point arrangement in soil environmental monitoring in Henan Province

XIE Qing-Feng, ZHOU Xiao-Guo, WANG Zhen-Feng, MA Zhen-Bo, LI Sheng-Chang, ZHANG De-En, SI Fa-Zhen

图2 河南省1∶25万土地质量地球化学调查工作程度

Fig.2 Work degree map of 1∶250 000 land quality geochemistry in Henan Province