Effect of long-term fertilization on content and activity index of Cu and Cd in red soil
LIU Jing, LÜ Jialong, XU Minggang, ZHANG Wenju, CHEN Miaomiao
Ecology and Environment . 2009, (3): 914 -919 .  DOI: 10.16258/j.cnki.1674-5906(2009)03-0914-06

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