@article{Bao Jiang:7, author = {Bao Jiang, Dechun Su, Xiaoqing Wang, Jifang Liu, Yibing Ma}, title = {Field evidence of decreased extractability of copper and nickel added to soils in 6-year field experiments}, publisher = {Front. Environ. Sci. Eng.}, year = {2018}, journal = {Frontiers of Environmental Science & Engineering}, volume = {12}, number = {2}, eid = {7}, numpages = {0}, pages = {7}, keywords = {Copper;Nickel;EDTA;Sequential extraction}, url = {https://academic.hep.com.cn/fese/EN/abstract/article_20682.shtml}, doi = {10.1007/s11783-017-0990-y} }