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Xiong F, Nie X, Zhao X, Yang L, Zhou G.  2019.  Effects of different nitrogen fertilizer levels on growth and active compounds of rhubarb from Qinghai plateau. Journal of the Science of Food and Agriculture. 99(6):2874-2882.

Nie X, Yang L, Li F, Xiong F, Li C, Zhou G.  2019.  Storage, patterns and controls of soil organic carbon in the alpine shrubland in the Three Rivers Source Region on the Qinghai-Tibetan Plateau. CATENA Catena. 178:154-162.

Shen N, Cui Y, Xu W, Zhao X, Yang L.  2017.  Impact of phosphorus and potassium fertilizers on growth and anthraquinone content in Rheum tanguticum Maxim. ex Balf. INDCRO Industrial Crops & Products. 107:312-319.