Effects of Amorpha fruticosa planting on soil nutrient characteristics at rhizosphere andnon-rhizosphere in Tibetan Plateau

• Xin SONG, 
• Li-jing ZHANG, 
• Wan-an DAI, 
• Zhi-yu ZHOU, 
• Xiao-zhong LI, 
• Yuan-yuan ZHOU, 
• Jin-hui LI, 
• Qian JIN