Effects of grassland vegetation nutrient and soil physical and chemical properties under grazing pressures

• Yu-rong HOU, 
• Xue-sen LI, 
• Yu-ping REN, 
• Hua YI, 
• Hao ZHU, 
• Ji-yun WANG, 
• Li-ken·adalibieke TUO, 
• Latibieke·hahaerman Hai