In contrast with three trees mentioned above, the seedling RWD0 of D. colus under 60% FFC was higher than that of 80% FFC, which showed that it had a relative higher ability to tolerate higher SWC than others.

• 与上述三种苗木相比，君迁子的RWD~0值从80%25FFC到60%25FFC时升高，说明君迁子对高湿土壤条件适应性较强。