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基于根系发育分级的砂壤土下成熟林木根系构型分析
祝维1,余立璇1,赵德海2,贾黎明1,*()
Architectural analysis of root systems of mature trees in sandy loam soils using the root development classification
ZHU Wei1,YU Li-Xuan1,ZHAO De-Hai2,JIA Li-Ming1,*()

图5. 不同等级根系的基部直径与根系长度的关系图。A-F, 一到六级根。

Fig. 5. Relationships between basal diameter and root length for different order roots. A-F refer to root categories from first order to sixth order.