The dynamical studies on biomass, quality and interspecific competition of oat (Avena sativa) and vetch(Vicia sativa) in both monoculture and mixture was conducted on the border of crop and ranch regions in north China.

• 作者在华北农牧交错带对燕麦和箭管豌豆单播及混播的一年生人工草地进行了生物量、品质及种间竞争的动态研究。