1S.P. McGrath,Z.G. Shen,F.J. Zhao. Heavy metal uptake and chemical changes in the rhizosphere of Thlaspi caerulescens and Thlaspi ochroleucum grown in contaminated soils[J] 1997,Plant and Soil(1):153~159
2Yin-Ming Li,Rufus L. Chaney,Albert A. Schneiter. Effect of soil chloride level on cadmium concentration in sunflower kernels[J] 1994,Plant and Soil(2):275~280