supported by the National Natural Science Foundation of China(50979065,51109154 and 51249002);the Natural Science Foundation of Shanxi Province,China(2012021026-2);the Program for Science and Technology Development of Shanxi Province,China(20110311018-1);the Specialized Research Fund for the Doctoral Program of Higher Education,China(20111402120006,20121402110009);the Program for Graduate Student Education and Innovation of Shanxi Province,China(2015BY27)
Crop root system plays an important role in the water cycle of the soil-plant-atmosphere continuum. In this study, com- bined isotope techniques, root length density and root cell activity analysis were used to invest...