HE Jun~,XV Xing~,LI Shu-hua~,MI Hai-li~,ZHANG Yuan-pei~,ZHAO Tian-cheng~,MA You-ming~ ina, Soil, Fertilizer Research Laboratory, Ningxia Academy of Agricultural, Forestry Sciences, Yinchuan, China, Ningxia University, Yinchuan, Chi. Effects of water stress on photosynthetic pigment in leaves and chlorophyll fluorescence of Cynanchum komarovii[J]. Acta Botanica Boreali-Occidentalia Sinica,2004,24(9):
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