Effects of nitrogen addition on leaf traits of common species in natural Pinus tabuliformis forests in Taiyue Mountain, Shanxi Province, China
Di XIAO, Xiao-Jie WANG, Kai ZHANG, Nian-Peng HE, Ji-Hua HOU
Chin J Plant Ecol . 2016, (7): 686 -701 .  DOI: 10.17521/cjpe.2015.1043