Nutrition contents analysis of five kinds of main poisonous plants in Tibet natural grassland

• Xiao-xue1 LIU, 
• Du-jian2 YAN, 
• Chen-chen WU, 
• Jian-guo WANG, 
• Bao-yu ZHAO, 
• Dan-dan CAO, 
• Feng MA, 
• Ke FENG