Abstract
| Original language | English |
|---|---|
| Pages (from-to) | 1276-1285 |
| Number of pages | 10 |
| Journal | Soil Science Society of America Journal |
| Volume | 73 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - Jul 2009 |
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Keywords
- soil science
- soil stability
- plant roots
- willow trees
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Mechanical reinforcement of soil by willow roots: impacts of root properties and root failure mechanism. / Mickovski, Slobodan B.; Hallett, Paul D.; Bransby, M. Fraser; Davies, Michael C. R.; Sonnenberg, Rene; Bengough, A. Glyn.
In: Soil Science Society of America Journal, Vol. 73, No. 4, 07.2009, p. 1276-1285.Research output: Contribution to journal › Article
TY - JOUR
T1 - Mechanical reinforcement of soil by willow roots: impacts of root properties and root failure mechanism
AU - Mickovski, Slobodan B.
AU - Hallett, Paul D.
AU - Bransby, M. Fraser
AU - Davies, Michael C. R.
AU - Sonnenberg, Rene
AU - Bengough, A. Glyn
N1 - PT: J; TC: 17; UT: WOS:000267859100024
PY - 2009/7
Y1 - 2009/7
N2 - Plant roots have considerable impact on the mechanical stability of soil, but to date the underlying mechanisms have been poorly quantified. In this study, controlled laboratory studies of soil reinforced with willow trees (Salix viminalis cv Tora) found a strong correlation between the cross-sectional area of soil covered by roots and shear reinforcement. We separated broken versus pulled-out roots and measured individual root diameters crossing the shear-plane. The shear strength of planted specimens compared with non-planted specimens increased eight-fold at 0.10-m shear depth, more than four-fold at 0.25-m depth, and more than doubled at 0.40-m depth.
AB - Plant roots have considerable impact on the mechanical stability of soil, but to date the underlying mechanisms have been poorly quantified. In this study, controlled laboratory studies of soil reinforced with willow trees (Salix viminalis cv Tora) found a strong correlation between the cross-sectional area of soil covered by roots and shear reinforcement. We separated broken versus pulled-out roots and measured individual root diameters crossing the shear-plane. The shear strength of planted specimens compared with non-planted specimens increased eight-fold at 0.10-m shear depth, more than four-fold at 0.25-m depth, and more than doubled at 0.40-m depth.
KW - soil science
KW - soil stability
KW - plant roots
KW - willow trees
U2 - 10.2136/sssaj2008.0172
DO - 10.2136/sssaj2008.0172
M3 - Article
VL - 73
SP - 1276
EP - 1285
JO - Soil Science Society of America Journal
JF - Soil Science Society of America Journal
SN - 0361-5995
IS - 4
ER -