施氮与刈割留茬高度对草场生产力及植物群落组成的影响
王开丽,杨合龙,肖红,孙伟,戎郁萍(
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Effects of Nitrogen Application and Clipping Height on Vegetation Productivity and Plant Community Composition of Haying Meadow Steppe
WANG KaiLi,YANG HeLong,XIAO Hong,SUN Wei,RONG YuPing()
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图3. 施氮量对无芒雀麦（a1, b1, c1）和羊草（a2, b2, c2）功能性状的影响
数据为均值±标准误,不同的字母代表不同施氮量间差异显著（P<0.05）
Fig. 3. Effects of nitrogen addition rate on plant functional traits of B. inermis (a1, b1, c1) and L. chinensis (a2, b2, c2)
Values (Mean ± SE) followed by different letters represent significantly different within each N gradient at P<0.05
