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,*(
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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,*()
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图4. 母级根基部直径与子级根基部直径的相关关系图。1, 以一级根为母级根。2, 以二级根为母级根。3, 以三级根为母级根。A, 纯林毛白杨根系系统。B, 混交林毛白杨根系系统。C, 混交林刺槐根系系统。
Fig. 4. Basal diameter relationships between the mother roots and the child roots. 1, refer to mother-root categories from first order. 2, refer to mother-root categories from second order. 3, refer to mother-root categories from third order. A, root system of Populus tomentosa in pure forest. B, root system of P. tomentosa in mixed forest. C, root system of Robinia pseudoacacia in mixed forest.
