Responses of leaf morphology and PSⅡ chlorophyll fluorescence in leaves of Alhagi sparsifolia growing in soils with varying depths to the groundwater table

• Bo Wang, 
• Fan-jiang Zeng, 
• Bo Zhang, 
• Huan-huan Gao, 
• Ling Zhang, 
• Mei-mei Li, 
• Han-lin Luo, 
• Shi-min Li