沙埋对河西走廊荒漠绿洲过渡带一年生草本植物的影响

宋冰, 王国华, 缑倩倩, 席璐璐

Effects of sand-buried on annual herbaceous plants in desert-oasis ecotone of Hexi Corridor Gansu， China

Bing Song, Guohua Wang, Qianqian Gou, Lulu Xi

图5 不同沙埋深度下4种一年生草本植物（狗尾草、虎尾草、白茎盐生草、雾冰藜）叶片叶绿素含量的变化（不同字母代表同种植物不同沙埋深度差异显著。N代表没有出苗）

Fig.5 Changes of chlorophyll content in leaves of four annual herbaceous plants (Setaria viridis, Chloris virgata, Halogeton arachnoideus, Bassia dasyphyll) at different sand-burying depths（Different letters indicate the same plant has significant differences in different sand burialdepths. N represents no seedling）