高密地区灌溉水及土壤氟地球化学特征 |
姜冰, 刘阳, 吴振, 张德明, 孙增兵, 马健 |
Geochemical characteristics of fluorine in irrigation water and soils in the Gaomi area, Shandong Province, China |
JIANG Bing, LIU Yang, WU Zhen, ZHANG De-Ming, SUN Zeng-Bing, MA Jian |
图3 表层土壤氟地球化学等级 |
Fig.3 Geochemical grade map of fluorine in topsoil |
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