Effects of different planting matrices on the root growth of four roadside trees in Shanghai

YAN Wei1, 3, YANG Ruiqing, HU Yonghong2, 3*

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2019, Vol. 43 ›› Issue (04) : 192-198.

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南京林业大学学报（自然科学版）
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JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2019, Vol. 43 ›› Issue (04) : 192-198. DOI: 10.3969/j.issn.1000-2006.201711022

Effects of different planting matrices on the root growth of four roadside trees in Shanghai

  • YAN Wei1, 3, YANG Ruiqing1,3, HU Yonghong2, 3*
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Abstract

【Objective】 The aim of this study was to improve the growth and natural urban ecosystems service functions of four roadside trees in Shanghai City. 【Method】 An orthogonal design was used to study three factors(soil content diameter, proportion of structure soil, and soil moisture)under four levels that influenced the root growth of four roadside trees(Ginkgo biloba,Cinnamomum camphora, Platanus acerifolia and Magnolia grandiflora). 【Result】 The results indicated that different treatments significantly influence root expansion and biomass accumulation. The best response level of factors for the dry weight of root and root length of G. biloba and M. grandiflora was soil content diameter, the best granule diameter of soil were 5 and 1 cm for G. biloba, and 5 and 5 cm for M. grandiflora. The best response level of factors were soil granule diameter and soil moisture for C. camphora; the best levels were 3 cm and 60%, respectively. The best respond level of factors were the proportion of structure soil and soil granule diameter; the best levels were 60% and 5 cm, respectively. The best response level of factors for the root growth of G. biloba, C. camphora and P. acerifolia were the proportion of structure soil; the best level were all 20%. However, the best response level of factors for M. grandiflora was soil granule diameter at 3 cm. 【Conclusion】 Through the fuzzy membership method, appropriate substrates selected for G. biloba, C. camphora, P. acerifolia and M. grandiflora were treatment 8(granule diameter 3 cm, formula soil 80%, and soil moisture 50%), 11(granule diameter 1 cm, formula soil 60%, and soil moisture 80%), 8(granule diameter 3 cm, formula soil 80%, and soil moisture 50%), 6(granule diameter 3 cm, formula soil 40%, and soil moisture 80%), respectively.

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YAN Wei1, 3, YANG Ruiqing, HU Yonghong2, 3*. Effects of different planting matrices on the root growth of four roadside trees in Shanghai[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2019, 43(04): 192-198 https://doi.org/10.3969/j.issn.1000-2006.201711022

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