Effects of nitrogen addition on photosynthetic characteristics of Leymus chinensis in the temperate grassland of Nei Mongol, China
Zhan-Wei ZHAI, Ji-Rui GONG, Qin-Pu LUO, Yan PAN, Taogetao BAOYIN, Sha XU, Min LIU, Li-Li YANG
Chin J Plant Ecol . 2017, (2): 196 -208 .  DOI: 10.17521/cjpe.2016.0128