The studies were carried on the regrowth yield, quantitative characters of vegetative propagation and sexual reproduction of Old World bluestem (Bothriochloa ischaemum) population in Shanxi rangelands.

• 本实验以山西天然草地中白羊草(Bothriochloa ischaemum)种群为研究对象,分析了其营养繁殖、有性生殖的数量特征以及刈割期和留茬高度对白羊草产草量和品质的影响。