Such results indicated that the suitable water niche for C. cajan seedlings is fairly dry soil environment and they adapt themselves to drought stress by adjustment of biomass allocation and morphological structure.

• 这些结果说明木豆幼苗的适宜水 分生态位是较干旱的土壤环境,木豆幼苗通过器官生物量分配和形态结构调整来适应干旱胁迫。