Journal ArticleDOI
Effect of Root Density on Erosion and Erodibility of a Loamy Soil Under Simulated Rain
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TLDR
In this article, the authors evaluated the contribution of roots in soil erosion control and the effect of root density in soil erodibility and soil physical properties, and found a positive correlation between soil shear strength and root density, but no influence of roots on bulk density and saturated hydraulic conductivity.Abstract:
Although both aboveground and belowground components of vegetation act together in reducing soil erosion, mainly the aboveground component has received attention in past research. The aim of this study was to evaluate the contribution of roots in soil erosion control and the effect of root density in soil erodibility and soil physical properties. Perennial ryegrass (Lolium perenne L. Hugo) was grown in soil pans, and laboratory rainfall simulation experiments were conducted after 4, 8, 12 weeks of their growth with seeding density of 50 kg ha-1, after 4 weeks for seeding density of 100 kg ha-1, and on a control. The experiments with ryegrass were done in the presence of complete plants and after clipping off the shoots. Roots of ryegrass grew rapidly, attaining densities of 0.614 kg m-2 and 2.280 kg m-2 in 4 and 12 weeks, respectively. With increasing root density, splash and wash decreased exponentially. There was positive correlation between soil shear strength and root density, but no influence of roots on bulk density and saturated hydraulic conductivity was observed.read more
Citations
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Journal ArticleDOI
A review of the mechanical effects of plant roots on concentrated flow erosion rates
TL;DR: In this paper, a meta-analysis of published soil-root interactions was conducted to explore the overall trends in erosion reduction as a function of root (length) density, root architecture and soil texture, based on an integrated analysis of published data.
Journal ArticleDOI
Splash erosion : A review with unanswered questions
María Fernández-Raga,Covadonga Palencia,Saskia Keesstra,Antonio Jordán,Roberto Fraile,Marta Angulo-Martínez,Artemi Cerdà,Artemi Cerdà +7 more
TL;DR: A review of the scientific literature published in peer-reviewed international journals (ISI) over the last decades on splash erosion research sheds light on the current scientific knowledge on this topic and highlights the research gaps and unanswered questions in our understanding of soil erosion processes due to splash as mentioned in this paper.
Journal ArticleDOI
The effects of vegetation on runoff and soil loss:Multidimensional structure analysis and scale characteristics
TL;DR: In this article, a review summarizes the effects of vegetation on runoff and soil loss in three dimensions: vertical vegetation structures (aboveground vegetation cover, surface litter layer and underground roots), plant diversity, vegetation patterns and their scale characteristics.
Journal ArticleDOI
Soil aggregate stability in Mediterranean and tropical agro-ecosystems: effect of plant roots and soil characteristics
Yves Le Bissonnais,Iván Prieto,Iván Prieto,Catherine Roumet,Jérome Nespoulous,James Metayer,Sylvain Huon,Mario Villatoro,Alexia Stokes +8 more
TL;DR: In this paper, the effect of soil characteristics and root traits on soil aggregate stability at an inter- and intra-site scale in a range of agro-ecosystems was evaluated.
Journal ArticleDOI
Effects of vegetation on runoff generation, sediment yield and soil shear strength on road-side slopes under a simulation rainfall test in the Three Gorges Reservoir Area, China.
TL;DR: This study demonstrated that Grass and Grass & Shrub were more suitable and highly cost-effective in controlling initial period erosion of newly built low-volume unpaved road.
References
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Journal ArticleDOI
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Journal ArticleDOI
Environmental and Economic Costs of Soil Erosion and Conservation Benefits
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Book
Methods of studying root systems
TL;DR: A general survey of root-study methods can be found in this article, where the authors present a detailed analysis of the root-washing methods and their application in a variety of applications.
Journal ArticleDOI
Soil Erosion: A Food and Environmental Threat
TL;DR: Soil erosion is one of the most serious environmental and public health problems facing human society as mentioned in this paper, and each year about 10 million-ha of cropland is lost due to soil erosion, thus reducing the croplands available for food production.