Accumulation characteristics of Cd and Pb in rice grain and their security threshold values in paddy field under different soil types
FAN Zhongliang, JI Hui, YANG Fei, WU Qi, ZHANG Weijian
Ecology and Environment . 2010, (4): 792 -787 .  DOI: 10.16258/j.cnki.1674-5906(2010)04-0792-06

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