土壤容重对野生香根草幼苗根系形态及其生物量的影响

刘晚苟, 李良贤, 谢海容, 何泳怡, 刘金祥

Effect of soil bulk density on root morphology and biomass of vetiver grass seedlings

LIU Wan-Gou, LI Liang-Xian, XIE Hai-Rong, HE Yong-Yi, LIU Jin-Xiang

图2 不同根径各土层香根草幼苗的根长百分数. D 1 , D 2 , …, D 16 :根直径mm。
Fig.2 Percentage of root length within root diameter classes of vetiver seedling in different soil layers. D 1 , D 2 , …, D 16 : root diameter mm n =4. 0<D 1 ≤0.1, 0.1<D 2 ≤0.2, 0.2<D 3 ≤0.3, …, 1.3<D 14 <1.4, 1.4<D 15 ≤1.5, D 16 >1.5.