干旱区研究
Inversion of Spatial Distribution Pattern of Topsoil Total Nitrogen Contents in Sanjiangyuan Regions Based on OLI Images
JIA Wei, GAO Xiao-hong, YANG Yang, ZHANG Wei, YANG Ling-yu, TIAN Cheng-ming
Arid Zone Research . 2015, (5): 890 -896 .  DOI: 10.13866/j.azr.2015.05.09