Abstract:Leymu chinensis is a rhizomatous grass with larger vegetative propagation.The natural grassland of the L.chinensis is fine pasture for grazing and harvesting hay.The age structures of the tillers and some quantitative characters of the clonal populations of the L.chinensis in different interference conditions were comparatively analysed in this paper.The proportion of tillers of one year old was the largest in the haymaking plot,the second in the resting plot,the fewest in the grazing plot.The proport...