Acta Agrestia Sinica
Potential Climatic Productivity of Natural Grassland in the Middle Arid Zone of Ningxia
MA Tian, WANG Jun-bo, ZHANG Zhi-hua, XU Xiu-mei
. 2013, (2): 236 -242 .  DOI: 10.11733/j.issn.1007-0435.2013.02.005