河北坝上乔灌木植物根系无机和有机氮吸收速率及其偏好
Uptake rate and preference of inorganic and organic nitrogen in roots of tree and shrub plants in Bashang, Hebei, China
河北坝上乔灌木植物根系无机和有机氮吸收速率及其偏好 |
| 刘倩愿, 俞振东, 张微微 |
|
Uptake rate and preference of inorganic and organic nitrogen in roots of tree and shrub plants in Bashang, Hebei, China |
| LIU Qian-Yuan, YU Zhen-Dong, ZHANG Wei-Wei |
| 图3 河北坝上4种植物根系性状(平均值±标准误)。不同大写字母表示不同物种间差异显著(p < 0.05)。Ck, 柠条锦鸡儿; Lb, 宁夏枸杞; Ps, 小叶杨; Up, 榆树。 |
| Fig. 3 Root traits of four plants in Bashang region, Hebei (mean ± SE). Different uppercase letters indicate significant differences among species (p < 0.05). Ck, Caragana korshinskii; Lb, Lycium barbarum; Ps, Populus simonii; Up, Ulmus pumila. |
|
|