The results showed that, as shading increasing, biomass increments first increased, then decreased.In 50% shading levels, Liriope spicata (Thunb.) Lour. gained the largest biomass increments.

• 结果表明，随着遮荫程度的加重，山麦冬的生物量增量表出现先上升后下降的趋势，在遮荫50%25水平下生物量增量达到最高；