Therefore, the enduring capability to water stress of alfalfa was weaker than sorghum, and the water requirment at seedling establishment stage was also different between two tested alfalfa cultivars.

• 因此，苜蓿苗期对干旱胁迫的忍耐能力不及高粱，且出苗过程中对环境水分条件的需求存在品种间差异。