The Research on Heavy Metal Elements Enrichment in Surface Soil from Agricultural Land of West Hainan Island
ZHAO Zhizhong, WANG Peng, ZHAO Guangru, WANG Junguang
Ecology and Environment . 2012, (1): 136 -139 .  DOI: 10.16258/j.cnki.1674-5906(2012)01-0136-04