Soil carbon dioxide (CO2) efflux of two shrubs in response to plant density in the northern Loess Plateau of China
Wei Fu1,2,3, Mingbin Huang1,2*, Ming,an Shao1,2 and Robert Horton4
1State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, People’s Republic of China.
2Northwest A & F University, Yangling, Shaanxi 712100, People’s Republic of China.
3Graduate University of the Chinese Academy of Sciences, Beijing, 100049, People’s Republic of China.
4Iowa State University, Ames, Iowa 50011, USA.
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