1. Environmental Sciences Division and Climate Change Science Institute Oak Ridge National Laboratory Oak Ridge TN 37831 USA
2. The Key Laboratory of Oasis Eco‐agriculture, Xinjiang Production and Construction Group Shihezi University Shihezi 832003 China
3. School of Natural Resources University of Missouri Columbia MO 65211 USA
4. School of Integrative Plant Science Cornell University Ithaca NY 14853 USA