Response and adaptive strategy of photosynthetic organ growth of Calligonum caput-medusae Schrenk to wind erosion in the Central Taklimakan Desert The Ecophysiological Response of Calligonum caput-medusae to Different Water Condition in Extremely Arid Region Effects of irrigation on plant growth and nitrogen use characteristics of Calligonum caput-medusae Schrenk seedlings Effect of Irrigation on Plant Growth and Physiological Characteristics of Calligonum caput-medusae Seedlings