Cinnamaldehyde Ameliorates Cadmium-Inhibited Root Elongation in Tobacco Seedlings via Decreasing Endogenous Hydrogen Sulfide Production oleh Xie-Feng Ye, Yanfeng Xue, Tianxiao Ling, Yong Wang, Xiao-Na Yu, Changxin Cheng, Guosheng Feng, Liangbin Hu, Zhiqi Shi, Jian Chen