Acta Agrestia Sinica
Effect of Nitrogen Addition on the Specific Leaf Area and Important Value of Dominant Species in the Typical Steppe of the Loess Plateau, China
HAN Hui-ge, SHANG Zhen-yan, NIU De-cao, FU Hua
Acta Agrestia Sinica . 2015, (1): 69 -74 .  DOI: 10.11733/j.issn.1007-0435.2015.01.011