Effect of copper stress on growth and photosynthesis in Sorghum×S. sudanes and Medicago sativa L.
WANG Ruigang, TANG Shirong, Guo Junkang, ZHAO Yujie, SONG Zhengguo
Ecology and Environment . 2010, (12): 2922 -2928 .  DOI: 10.16258/j.cnki.1674-5906(2010)12-2922-07